2 !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
3 This file is built by metaconfig.
5 This file contains a description of all the shell variables whose value is
6 determined by the Configure script. Variables intended for use in C
7 programs (e.g. I_UNISTD) are already described in config_h.SH. [`configpm'
8 generates pod documentation for Config.pm from this file--please try to keep
9 the formatting regular.]
12 This variable defines the extension used for ordinary library files.
13 For unix, it is '.a'. The '.' is included. Other possible
14 values include '.lib'.
17 This variable defines the extension used for executable files.
18 DJGPP, Cygwin and OS/2 use '.exe'. Stratus VOS uses '.pm'.
19 On operating systems which do not require a specific extension
20 for executable files, this variable is empty.
23 This variable defines the extension used for object files.
24 For unix, it is '.o'. The '.' is included. Other possible
25 values include '.obj'.
28 This variable is set to 'true' if AFS (Andrew File System) is used
29 on the system, 'false' otherwise. It is possible to override this
30 with a hint value or command line option, but you'd better know
34 This variable is by default set to '/afs'. In the unlikely case
35 this is not the correct root, it is possible to override this with
36 a hint value or command line option. This will be used in subsequent
37 tests for AFSness in the configure and test process.
39 alignbytes (alignbytes.U):
40 This variable holds the number of bytes required to align a
41 double-- or a long double when applicable. Usual values are
42 2, 4 and 8. The default is eight, for safety.
44 ansi2knr (ansi2knr.U):
45 This variable is set if the user needs to run ansi2knr.
46 Currently, this is not supported, so we just abort.
48 aphostname (d_gethname.U):
49 This variable contains the command which can be used to compute the
50 host name. The command is fully qualified by its absolute path, to make
51 it safe when used by a process with super-user privileges.
53 api_revision (patchlevel.U):
54 The three variables, api_revision, api_version, and
55 api_subversion, specify the version of the oldest perl binary
56 compatible with the present perl. In a full version string
57 such as '5.6.1', api_revision is the '5'.
58 Prior to 5.5.640, the format was a floating point number,
61 perl.c:incpush() and lib/lib.pm will automatically search in
62 $sitelib/.. for older directories back to the limit specified
63 by these api_ variables. This is only useful if you have a
64 perl library directory tree structured like the default one.
65 See INSTALL for how this works. The versioned site_perl
66 directory was introduced in 5.005, so that is the lowest
67 possible value. The version list appropriate for the current
68 system is determined in inc_version_list.U.
70 XXX To do: Since compatibility can depend on compile time
71 options (such as bincompat, longlong, etc.) it should
72 (perhaps) be set by Configure, but currently it isn't.
73 Currently, we read a hard-wired value from patchlevel.h.
74 Perhaps what we ought to do is take the hard-wired value from
75 patchlevel.h but then modify it if the current Configure
76 options warrant. patchlevel.h then would use an #ifdef guard.
78 api_subversion (patchlevel.U):
79 The three variables, api_revision, api_version, and
80 api_subversion, specify the version of the oldest perl binary
81 compatible with the present perl. In a full version string
82 such as '5.6.1', api_subversion is the '1'. See api_revision for
85 api_version (patchlevel.U):
86 The three variables, api_revision, api_version, and
87 api_subversion, specify the version of the oldest perl binary
88 compatible with the present perl. In a full version string
89 such as '5.6.1', api_version is the '6'. See api_revision for
90 full details. As a special case, 5.5.0 is rendered in the
91 old-style as 5.005. (In the 5.005_0x maintenance series,
92 this was the only versioned directory in $sitelib.)
94 api_versionstring (patchlevel.U):
95 This variable combines api_revision, api_version, and
96 api_subversion in a format such as 5.6.1 (or 5_6_1) suitable
97 for use as a directory name. This is filesystem dependent.
100 This variable is used internally by Configure to determine the
101 full pathname (if any) of the ar program. After Configure runs,
102 the value is reset to a plain "ar" and is not useful.
105 This variable holds the name of the directory in which the user wants
106 to put architecture-dependent public library files for $package.
107 It is most often a local directory such as /usr/local/lib.
108 Programs using this variable must be prepared to deal
109 with filename expansion.
111 archlibexp (archlib.U):
112 This variable is the same as the archlib variable, but is
113 filename expanded at configuration time, for convenient use.
115 archname (archname.U):
116 This variable is a short name to characterize the current
117 architecture. It is used mainly to construct the default archlib.
119 archname64 (use64bits.U):
120 This variable is used for the 64-bitness part of $archname.
123 This variable defines any additional objects that must be linked
124 in with the program on this architecture. On unix, it is usually
125 empty. It is typically used to include emulations of unix calls
126 or other facilities. For perl on OS/2, for example, this would
129 asctime_r_proto (d_asctime_r.U):
130 This variable encodes the prototype of asctime_r.
131 It is zero if d_asctime_r is undef, and one of the
132 REENTRANT_PROTO_T_ABC macros of reentr.h if d_asctime_r
136 This variable is used internally by Configure to determine the
137 full pathname (if any) of the awk program. After Configure runs,
138 the value is reset to a plain "awk" and is not useful.
141 The base revision level of this package, from the .package file.
144 This variable is defined but not used by Configure.
145 The value is the empty string and is not useful.
148 This variable holds the name of the directory in which the user wants
149 to put publicly executable images for the package in question. It
150 is most often a local directory such as /usr/local/bin. Programs using
151 this variable must be prepared to deal with ~name substitution.
154 This variable saves the result from configure if generated binaries
155 are in ELF format. Only set to defined when the test has actually
156 been performed, and the result was positive.
159 This is the same as the bin variable, but is filename expanded at
160 configuration time, for use in your makefiles.
163 This variable is used internally by Configure to determine the
164 full pathname (if any) of the bison program. After Configure runs,
165 the value is reset to a plain "bison" and is not useful.
168 This variable is used internally by Configure to determine the
169 full pathname (if any) of the byacc program. After Configure runs,
170 the value is reset to a plain "byacc" and is not useful.
172 byteorder (byteorder.U):
173 This variable holds the byte order in a UV. In the following,
174 larger digits indicate more significance. The variable byteorder
175 is either 4321 on a big-endian machine, or 1234 on a little-endian,
176 or 87654321 on a Cray ... or 3412 with weird order !
179 This variable contains the \c string if that is what causes the echo
180 command to suppress newline. Otherwise it is null. Correct usage is
181 $echo $n "prompt for a question: $c".
183 castflags (d_castneg.U):
184 This variable contains a flag that precise difficulties the
185 compiler has casting odd floating values to unsigned long:
187 1 = couldn't cast < 0
188 2 = couldn't cast >= 0x80000000
189 4 = couldn't cast in argument expression list
192 This variable is used internally by Configure to determine the
193 full pathname (if any) of the cat program. After Configure runs,
194 the value is reset to a plain "cat" and is not useful.
197 This variable holds the name of a command to execute a C compiler which
198 can resolve multiple global references that happen to have the same
199 name. Usual values are 'cc' and 'gcc'.
200 Fervent ANSI compilers may be called 'c89'. AIX has xlc.
202 cccdlflags (dlsrc.U):
203 This variable contains any special flags that might need to be
204 passed with 'cc -c' to compile modules to be used to create a shared
205 library that will be used for dynamic loading. For hpux, this
206 should be +z. It is up to the makefile to use it.
209 This variable contains any special flags that might need to be
210 passed to cc to link with a shared library for dynamic loading.
211 It is up to the makefile to use it. For sunos 4.1, it should
215 This variable contains any additional C compiler flags desired by
216 the user. It is up to the Makefile to use this.
218 ccflags_uselargefiles (uselfs.U):
219 This variable contains the compiler flags needed by large file builds
220 and added to ccflags by hints files.
223 This can set either by hints files or by Configure. If using
224 gcc, this is gcc, and if not, usually equal to cc, unimpressive, no?
225 Some platforms, however, make good use of this by storing the
226 flavor of the C compiler being used here. For example if using
227 the Sun WorkShop suite, ccname will be 'workshop'.
229 ccsymbols (Cppsym.U):
230 The variable contains the symbols defined by the C compiler alone.
231 The symbols defined by cpp or by cc when it calls cpp are not in
232 this list, see cppsymbols and cppccsymbols.
233 The list is a space-separated list of symbol=value tokens.
235 ccversion (Checkcc.U):
236 This can set either by hints files or by Configure. If using
237 a (non-gcc) vendor cc, this variable may contain a version for
241 Login name of the person who ran the Configure script and answered the
242 questions. This is used to tag both config.sh and config_h.SH.
244 cf_email (cf_email.U):
245 Electronic mail address of the person who ran Configure. This can be
246 used by units that require the user's e-mail, like MailList.U.
249 Holds the output of the "date" command when the configuration file was
250 produced. This is used to tag both config.sh and config_h.SH.
252 charbits (charsize.U):
253 This variable contains the value of the CHARBITS symbol, which
254 indicates to the C program how many bits there are in a character.
256 charsize (charsize.U):
257 This variable contains the value of the CHARSIZE symbol, which
258 indicates to the C program how many bytes there are in a character.
261 This variable is defined but not used by Configure.
262 The value is the empty string and is not useful.
265 This variable is used internally by Configure to determine the
266 full pathname (if any) of the chmod program. After Configure runs,
267 the value is reset to a plain "chmod" and is not useful.
270 This variable is defined but not used by Configure.
271 The value is the empty string and is not useful.
273 clocktype (d_times.U):
274 This variable holds the type returned by times(). It can be long,
275 or clock_t on BSD sites (in which case <sys/types.h> should be
279 This variable is used internally by Configure to determine the
280 full pathname (if any) of the comm program. After Configure runs,
281 the value is reset to a plain "comm" and is not useful.
284 This variable is defined but not used by Configure.
285 The value is the empty string and is not useful.
287 config_arg0 (Options.U):
288 This variable contains the string used to invoke the Configure
289 command, as reported by the shell in the $0 variable.
291 config_argc (Options.U):
292 This variable countains the number of command-line arguments
293 passed to Configure, as reported by the shell in the $# variable.
294 The individual arguments are stored as variables config_argc1,
297 config_args (Options.U):
298 This variable contains a single string giving the command-line
299 arguments passed to Configure. Spaces within arguments,
300 quotes, and escaped characters are not correctly preserved.
301 To reconstruct the command line, you must assemble the individual
302 command line pieces, given in config_arg[0-9]*.
304 contains (contains.U):
305 This variable holds the command to do a grep with a proper return
306 status. On most sane systems it is simply "grep". On insane systems
307 it is a grep followed by a cat followed by a test. This variable
308 is primarily for the use of other Configure units.
311 This variable is used internally by Configure to determine the
312 full pathname (if any) of the cp program. After Configure runs,
313 the value is reset to a plain "cp" and is not useful.
316 This variable is defined but not used by Configure.
317 The value is the empty string and is not useful.
320 This variable is used internally by Configure to determine the
321 full pathname (if any) of the cpp program. After Configure runs,
322 the value is reset to a plain "cpp" and is not useful.
324 cpp_stuff (cpp_stuff.U):
325 This variable contains an identification of the concatenation mechanism
326 used by the C preprocessor.
328 cppccsymbols (Cppsym.U):
329 The variable contains the symbols defined by the C compiler
330 when it calls cpp. The symbols defined by the cc alone or cpp
331 alone are not in this list, see ccsymbols and cppsymbols.
332 The list is a space-separated list of symbol=value tokens.
334 cppflags (ccflags.U):
335 This variable holds the flags that will be passed to the C pre-
336 processor. It is up to the Makefile to use it.
338 cpplast (cppstdin.U):
339 This variable has the same functionality as cppminus, only it applies
340 to cpprun and not cppstdin.
342 cppminus (cppstdin.U):
343 This variable contains the second part of the string which will invoke
344 the C preprocessor on the standard input and produce to standard
345 output. This variable will have the value "-" if cppstdin needs
346 a minus to specify standard input, otherwise the value is "".
349 This variable contains the command which will invoke a C preprocessor
350 on standard input and put the output to stdout. It is guaranteed not
351 to be a wrapper and may be a null string if no preprocessor can be
352 made directly available. This preprocessor might be different from the
353 one used by the C compiler. Don't forget to append cpplast after the
354 preprocessor options.
356 cppstdin (cppstdin.U):
357 This variable contains the command which will invoke the C
358 preprocessor on standard input and put the output to stdout.
359 It is primarily used by other Configure units that ask about
360 preprocessor symbols.
362 cppsymbols (Cppsym.U):
363 The variable contains the symbols defined by the C preprocessor
364 alone. The symbols defined by cc or by cc when it calls cpp are
365 not in this list, see ccsymbols and cppccsymbols.
366 The list is a space-separated list of symbol=value tokens.
368 crypt_r_proto (d_crypt_r.U):
369 This variable encodes the prototype of crypt_r.
370 It is zero if d_crypt_r is undef, and one of the
371 REENTRANT_PROTO_T_ABC macros of reentr.h if d_crypt_r
374 cryptlib (d_crypt.U):
375 This variable holds -lcrypt or the path to a libcrypt.a archive if
376 the crypt() function is not defined in the standard C library. It is
377 up to the Makefile to use this.
380 This variable is used internally by Configure to determine the
381 full pathname (if any) of the csh program. After Configure runs,
382 the value is reset to a plain "csh" and is not useful.
384 ctermid_r_proto (d_ctermid_r.U):
385 This variable encodes the prototype of ctermid_r.
386 It is zero if d_ctermid_r is undef, and one of the
387 REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctermid_r
390 ctime_r_proto (d_ctime_r.U):
391 This variable encodes the prototype of ctime_r.
392 It is zero if d_ctime_r is undef, and one of the
393 REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctime_r
396 d__fwalk (d__fwalk.U):
397 This variable conditionally defines HAS__FWALK if _fwalk() is
398 available to apply a function to all the file handles.
400 d_access (d_access.U):
401 This variable conditionally defines HAS_ACCESS if the access() system
402 call is available to check for access permissions using real IDs.
404 d_accessx (d_accessx.U):
405 This variable conditionally defines the HAS_ACCESSX symbol, which
406 indicates to the C program that the accessx() routine is available.
409 This variable conditionally defines the HAS_AINTL symbol, which
410 indicates to the C program that the aintl() routine is available.
411 If copysignl is also present we can emulate modfl.
414 This variable conditionally defines the HAS_ALARM symbol, which
415 indicates to the C program that the alarm() routine is available.
417 d_archlib (archlib.U):
418 This variable conditionally defines ARCHLIB to hold the pathname
419 of architecture-dependent library files for $package. If
420 $archlib is the same as $privlib, then this is set to undef.
422 d_asctime64 (d_timefuncs64.U):
423 This variable conditionally defines the HAS_ASCTIME64 symbol, which
424 indicates to the C program that the asctime64 () routine is available.
426 d_asctime_r (d_asctime_r.U):
427 This variable conditionally defines the HAS_ASCTIME_R symbol,
428 which indicates to the C program that the asctime_r()
429 routine is available.
432 This variable conditionally defines the HAS_ATOLF symbol, which
433 indicates to the C program that the atolf() routine is available.
436 This variable conditionally defines the HAS_ATOLL symbol, which
437 indicates to the C program that the atoll() routine is available.
439 d_attribute_deprecated (d_attribut.U):
440 This variable conditionally defines HASATTRIBUTE_DEPRECATED, which
441 indicates that GCC can handle the attribute for marking deprecated
444 d_attribute_format (d_attribut.U):
445 This variable conditionally defines HASATTRIBUTE_FORMAT, which
446 indicates the C compiler can check for printf-like formats.
448 d_attribute_malloc (d_attribut.U):
449 This variable conditionally defines HASATTRIBUTE_MALLOC, which
450 indicates the C compiler can understand functions as having
451 malloc-like semantics.
453 d_attribute_nonnull (d_attribut.U):
454 This variable conditionally defines HASATTRIBUTE_NONNULL, which
455 indicates that the C compiler can know that certain arguments
456 must not be NULL, and will check accordingly at compile time.
458 d_attribute_noreturn (d_attribut.U):
459 This variable conditionally defines HASATTRIBUTE_NORETURN, which
460 indicates that the C compiler can know that certain functions
461 are guaranteed never to return.
463 d_attribute_pure (d_attribut.U):
464 This variable conditionally defines HASATTRIBUTE_PURE, which
465 indicates that the C compiler can know that certain functions
466 are "pure" functions, meaning that they have no side effects, and
467 only rely on function input and/or global data for their results.
469 d_attribute_unused (d_attribut.U):
470 This variable conditionally defines HASATTRIBUTE_UNUSED, which
471 indicates that the C compiler can know that certain variables
472 and arguments may not always be used, and to not throw warnings
473 if they don't get used.
475 d_attribute_warn_unused_result (d_attribut.U):
476 This variable conditionally defines
477 HASATTRIBUTE_WARN_UNUSED_RESULT, which indicates that the C
478 compiler can know that certain functions have a return values
479 that must not be ignored, such as malloc() or open().
482 This variable conditionally defines the HAS_BCMP symbol if
483 the bcmp() routine is available to compare strings.
486 This variable conditionally defines the HAS_BCOPY symbol if
487 the bcopy() routine is available to copy strings.
490 This symbol conditionally defines the symbol BSD when running on a
493 d_bsdgetpgrp (d_getpgrp.U):
494 This variable conditionally defines USE_BSD_GETPGRP if
495 getpgrp needs one arguments whereas USG one needs none.
497 d_bsdsetpgrp (d_setpgrp.U):
498 This variable conditionally defines USE_BSD_SETPGRP if
499 setpgrp needs two arguments whereas USG one needs none.
500 See also d_setpgid for a POSIX interface.
502 d_builtin_choose_expr (d_builtin.U):
503 This conditionally defines HAS_BUILTIN_CHOOSE_EXPR, which
504 indicates that the compiler supports __builtin_choose_expr(x,y,z).
505 This built-in function is analogous to the "x?y:z" operator in C,
506 except that the expression returned has its type unaltered by
507 promotion rules. Also, the built-in function does not evaluate
508 the expression that was not chosen.
510 d_builtin_expect (d_builtin.U):
511 This conditionally defines HAS_BUILTIN_EXPECT, which indicates
512 that the compiler supports __builtin_expect(exp,c). You may use
513 __builtin_expect to provide the compiler with branch prediction
517 This variable conditionally defines the HAS_BZERO symbol if
518 the bzero() routine is available to set memory to 0.
520 d_c99_variadic_macros (d_c99_variadic.U):
521 This variable conditionally defines the HAS_C99_VARIADIC_MACROS
522 symbol, which indicates to the C program that C99 variadic macros
525 d_casti32 (d_casti32.U):
526 This variable conditionally defines CASTI32, which indicates
527 whether the C compiler can cast large floats to 32-bit ints.
529 d_castneg (d_castneg.U):
530 This variable conditionally defines CASTNEG, which indicates
531 wether the C compiler can cast negative float to unsigned.
533 d_charvspr (d_vprintf.U):
534 This variable conditionally defines CHARVSPRINTF if this system
535 has vsprintf returning type (char*). The trend seems to be to
536 declare it as "int vsprintf()".
539 This variable conditionally defines the HAS_CHOWN symbol, which
540 indicates to the C program that the chown() routine is available.
542 d_chroot (d_chroot.U):
543 This variable conditionally defines the HAS_CHROOT symbol, which
544 indicates to the C program that the chroot() routine is available.
546 d_chsize (d_chsize.U):
547 This variable conditionally defines the CHSIZE symbol, which
548 indicates to the C program that the chsize() routine is available
549 to truncate files. You might need a -lx to get this routine.
552 This variable conditionally defines the HAS_CLASS symbol, which
553 indicates to the C program that the class() routine is available.
555 d_clearenv (d_clearenv.U):
556 This variable conditionally defines the HAS_CLEARENV symbol, which
557 indicates to the C program that the clearenv () routine is available.
559 d_closedir (d_closedir.U):
560 This variable conditionally defines HAS_CLOSEDIR if closedir() is
563 d_cmsghdr_s (d_cmsghdr_s.U):
564 This variable conditionally defines the HAS_STRUCT_CMSGHDR symbol,
565 which indicates that the struct cmsghdr is supported.
568 This variable conditionally defines the HASCONST symbol, which
569 indicates to the C program that this C compiler knows about the
572 d_copysignl (d_copysignl.U):
573 This variable conditionally defines the HAS_COPYSIGNL symbol, which
574 indicates to the C program that the copysignl() routine is available.
575 If aintl is also present we can emulate modfl.
577 d_cplusplus (d_cplusplus.U):
578 This variable conditionally defines the USE_CPLUSPLUS symbol, which
579 indicates that a C++ compiler was used to compiled Perl and will be
580 used to compile extensions.
583 This variable conditionally defines the CRYPT symbol, which
584 indicates to the C program that the crypt() routine is available
585 to encrypt passwords and the like.
587 d_crypt_r (d_crypt_r.U):
588 This variable conditionally defines the HAS_CRYPT_R symbol,
589 which indicates to the C program that the crypt_r()
590 routine is available.
593 This variable conditionally defines the CSH symbol, which
594 indicates to the C program that the C-shell exists.
596 d_ctermid (d_ctermid.U):
597 This variable conditionally defines CTERMID if ctermid() is
598 available to generate filename for terminal.
600 d_ctermid_r (d_ctermid_r.U):
601 This variable conditionally defines the HAS_CTERMID_R symbol,
602 which indicates to the C program that the ctermid_r()
603 routine is available.
605 d_ctime64 (d_timefuncs64.U):
606 This variable conditionally defines the HAS_CTIME64 symbol, which
607 indicates to the C program that the ctime64 () routine is available.
609 d_ctime_r (d_ctime_r.U):
610 This variable conditionally defines the HAS_CTIME_R symbol,
611 which indicates to the C program that the ctime_r()
612 routine is available.
614 d_cuserid (d_cuserid.U):
615 This variable conditionally defines the HAS_CUSERID symbol, which
616 indicates to the C program that the cuserid() routine is available
617 to get character login names.
619 d_dbl_dig (d_dbl_dig.U):
620 This variable conditionally defines d_dbl_dig if this system's
621 header files provide DBL_DIG, which is the number of significant
622 digits in a double precision number.
624 d_dbminitproto (d_dbminitproto.U):
625 This variable conditionally defines the HAS_DBMINIT_PROTO symbol,
626 which indicates to the C program that the system provides
627 a prototype for the dbminit() function. Otherwise, it is
628 up to the program to supply one.
630 d_difftime (d_difftime.U):
631 This variable conditionally defines the HAS_DIFFTIME symbol, which
632 indicates to the C program that the difftime() routine is available.
634 d_difftime64 (d_timefuncs64.U):
635 This variable conditionally defines the HAS_DIFFTIME64 symbol, which
636 indicates to the C program that the difftime64 () routine is available.
638 d_dir_dd_fd (d_dir_dd_fd.U):
639 This variable conditionally defines the HAS_DIR_DD_FD symbol, which
640 indicates that the DIR directory stream type contains a member
641 variable called dd_fd.
644 This variable conditionally defines the HAS_DIRFD constant,
645 which indicates to the C program that dirfd() is available
646 to return the file descriptor of a directory stream.
648 d_dirnamlen (i_dirent.U):
649 This variable conditionally defines DIRNAMLEN, which indicates
650 to the C program that the length of directory entry names is
651 provided by a d_namelen field.
653 d_dlerror (d_dlerror.U):
654 This variable conditionally defines the HAS_DLERROR symbol, which
655 indicates to the C program that the dlerror() routine is available.
657 d_dlopen (d_dlopen.U):
658 This variable conditionally defines the HAS_DLOPEN symbol, which
659 indicates to the C program that the dlopen() routine is available.
661 d_dlsymun (d_dlsymun.U):
662 This variable conditionally defines DLSYM_NEEDS_UNDERSCORE, which
663 indicates that we need to prepend an underscore to the symbol
664 name before calling dlsym().
666 d_dosuid (d_dosuid.U):
667 This variable conditionally defines the symbol DOSUID, which
668 tells the C program that it should insert setuid emulation code
669 on hosts which have setuid #! scripts disabled.
671 d_drand48_r (d_drand48_r.U):
672 This variable conditionally defines the HAS_DRAND48_R symbol,
673 which indicates to the C program that the drand48_r()
674 routine is available.
676 d_drand48proto (d_drand48proto.U):
677 This variable conditionally defines the HAS_DRAND48_PROTO symbol,
678 which indicates to the C program that the system provides
679 a prototype for the drand48() function. Otherwise, it is
680 up to the program to supply one.
683 This variable conditionally defines HAS_DUP2 if dup2() is
684 available to duplicate file descriptors.
686 d_eaccess (d_eaccess.U):
687 This variable conditionally defines the HAS_EACCESS symbol, which
688 indicates to the C program that the eaccess() routine is available.
690 d_endgrent (d_endgrent.U):
691 This variable conditionally defines the HAS_ENDGRENT symbol, which
692 indicates to the C program that the endgrent() routine is available
693 for sequential access of the group database.
695 d_endgrent_r (d_endgrent_r.U):
696 This variable conditionally defines the HAS_ENDGRENT_R symbol,
697 which indicates to the C program that the endgrent_r()
698 routine is available.
700 d_endhent (d_endhent.U):
701 This variable conditionally defines HAS_ENDHOSTENT if endhostent() is
702 available to close whatever was being used for host queries.
704 d_endhostent_r (d_endhostent_r.U):
705 This variable conditionally defines the HAS_ENDHOSTENT_R symbol,
706 which indicates to the C program that the endhostent_r()
707 routine is available.
709 d_endnent (d_endnent.U):
710 This variable conditionally defines HAS_ENDNETENT if endnetent() is
711 available to close whatever was being used for network queries.
713 d_endnetent_r (d_endnetent_r.U):
714 This variable conditionally defines the HAS_ENDNETENT_R symbol,
715 which indicates to the C program that the endnetent_r()
716 routine is available.
718 d_endpent (d_endpent.U):
719 This variable conditionally defines HAS_ENDPROTOENT if endprotoent() is
720 available to close whatever was being used for protocol queries.
722 d_endprotoent_r (d_endprotoent_r.U):
723 This variable conditionally defines the HAS_ENDPROTOENT_R symbol,
724 which indicates to the C program that the endprotoent_r()
725 routine is available.
727 d_endpwent (d_endpwent.U):
728 This variable conditionally defines the HAS_ENDPWENT symbol, which
729 indicates to the C program that the endpwent() routine is available
730 for sequential access of the passwd database.
732 d_endpwent_r (d_endpwent_r.U):
733 This variable conditionally defines the HAS_ENDPWENT_R symbol,
734 which indicates to the C program that the endpwent_r()
735 routine is available.
737 d_endsent (d_endsent.U):
738 This variable conditionally defines HAS_ENDSERVENT if endservent() is
739 available to close whatever was being used for service queries.
741 d_endservent_r (d_endservent_r.U):
742 This variable conditionally defines the HAS_ENDSERVENT_R symbol,
743 which indicates to the C program that the endservent_r()
744 routine is available.
746 d_eofnblk (nblock_io.U):
747 This variable conditionally defines EOF_NONBLOCK if EOF can be seen
748 when reading from a non-blocking I/O source.
751 This variable conditionally defines the symbols EUNICE and VAX, which
752 alerts the C program that it must deal with ideosyncracies of VMS.
754 d_faststdio (d_faststdio.U):
755 This variable conditionally defines the HAS_FAST_STDIO symbol,
756 which indicates to the C program that the "fast stdio" is available
757 to manipulate the stdio buffers directly.
759 d_fchdir (d_fchdir.U):
760 This variable conditionally defines the HAS_FCHDIR symbol, which
761 indicates to the C program that the fchdir() routine is available.
763 d_fchmod (d_fchmod.U):
764 This variable conditionally defines the HAS_FCHMOD symbol, which
765 indicates to the C program that the fchmod() routine is available
766 to change mode of opened files.
768 d_fchown (d_fchown.U):
769 This variable conditionally defines the HAS_FCHOWN symbol, which
770 indicates to the C program that the fchown() routine is available
771 to change ownership of opened files.
774 This variable conditionally defines the HAS_FCNTL symbol, and indicates
775 whether the fcntl() function exists
777 d_fcntl_can_lock (d_fcntl_can_lock.U):
778 This variable conditionally defines the FCNTL_CAN_LOCK symbol
779 and indicates whether file locking with fcntl() works.
781 d_fd_macros (d_fd_set.U):
782 This variable contains the eventual value of the HAS_FD_MACROS symbol,
783 which indicates if your C compiler knows about the macros which
784 manipulate an fd_set.
786 d_fd_set (d_fd_set.U):
787 This variable contains the eventual value of the HAS_FD_SET symbol,
788 which indicates if your C compiler knows about the fd_set typedef.
790 d_fds_bits (d_fd_set.U):
791 This variable contains the eventual value of the HAS_FDS_BITS symbol,
792 which indicates if your fd_set typedef contains the fds_bits member.
793 If you have an fd_set typedef, but the dweebs who installed it did
794 a half-fast job and neglected to provide the macros to manipulate
795 an fd_set, HAS_FDS_BITS will let us know how to fix the gaffe.
797 d_fgetpos (d_fgetpos.U):
798 This variable conditionally defines HAS_FGETPOS if fgetpos() is
799 available to get the file position indicator.
801 d_finite (d_finite.U):
802 This variable conditionally defines the HAS_FINITE symbol, which
803 indicates to the C program that the finite() routine is available.
805 d_finitel (d_finitel.U):
806 This variable conditionally defines the HAS_FINITEL symbol, which
807 indicates to the C program that the finitel() routine is available.
809 d_flexfnam (d_flexfnam.U):
810 This variable conditionally defines the FLEXFILENAMES symbol, which
811 indicates that the system supports filenames longer than 14 characters.
814 This variable conditionally defines HAS_FLOCK if flock() is
815 available to do file locking.
817 d_flockproto (d_flockproto.U):
818 This variable conditionally defines the HAS_FLOCK_PROTO symbol,
819 which indicates to the C program that the system provides
820 a prototype for the flock() function. Otherwise, it is
821 up to the program to supply one.
824 This variable conditionally defines the HAS_FORK symbol, which
825 indicates to the C program that the fork() routine is available.
827 d_fp_class (d_fp_class.U):
828 This variable conditionally defines the HAS_FP_CLASS symbol, which
829 indicates to the C program that the fp_class() routine is available.
831 d_fpathconf (d_pathconf.U):
832 This variable conditionally defines the HAS_FPATHCONF symbol, which
833 indicates to the C program that the pathconf() routine is available
834 to determine file-system related limits and options associated
835 with a given open file descriptor.
837 d_fpclass (d_fpclass.U):
838 This variable conditionally defines the HAS_FPCLASS symbol, which
839 indicates to the C program that the fpclass() routine is available.
841 d_fpclassify (d_fpclassify.U):
842 This variable conditionally defines the HAS_FPCLASSIFY symbol, which
843 indicates to the C program that the fpclassify() routine is available.
845 d_fpclassl (d_fpclassl.U):
846 This variable conditionally defines the HAS_FPCLASSL symbol, which
847 indicates to the C program that the fpclassl() routine is available.
849 d_fpos64_t (d_fpos64_t.U):
850 This symbol will be defined if the C compiler supports fpos64_t.
852 d_frexpl (d_frexpl.U):
853 This variable conditionally defines the HAS_FREXPL symbol, which
854 indicates to the C program that the frexpl() routine is available.
856 d_fs_data_s (d_fs_data_s.U):
857 This variable conditionally defines the HAS_STRUCT_FS_DATA symbol,
858 which indicates that the struct fs_data is supported.
860 d_fseeko (d_fseeko.U):
861 This variable conditionally defines the HAS_FSEEKO symbol, which
862 indicates to the C program that the fseeko() routine is available.
864 d_fsetpos (d_fsetpos.U):
865 This variable conditionally defines HAS_FSETPOS if fsetpos() is
866 available to set the file position indicator.
868 d_fstatfs (d_fstatfs.U):
869 This variable conditionally defines the HAS_FSTATFS symbol, which
870 indicates to the C program that the fstatfs() routine is available.
872 d_fstatvfs (d_statvfs.U):
873 This variable conditionally defines the HAS_FSTATVFS symbol, which
874 indicates to the C program that the fstatvfs() routine is available.
877 This variable conditionally defines the HAS_FSYNC symbol, which
878 indicates to the C program that the fsync() routine is available.
880 d_ftello (d_ftello.U):
881 This variable conditionally defines the HAS_FTELLO symbol, which
882 indicates to the C program that the ftello() routine is available.
885 This variable conditionally defines the HAS_FTIME symbol, which indicates
886 that the ftime() routine exists. The ftime() routine is basically
887 a sub-second accuracy clock.
889 d_futimes (d_futimes.U):
890 This variable conditionally defines the HAS_FUTIMES symbol, which
891 indicates to the C program that the futimes() routine is available.
893 d_Gconvert (d_gconvert.U):
894 This variable holds what Gconvert is defined as to convert
895 floating point numbers into strings. By default, Configure
896 sets this macro to use the first of gconvert, gcvt, or sprintf
897 that pass sprintf-%g-like behaviour tests. If perl is using
898 long doubles, the macro uses the first of the following
899 functions that pass Configure's tests: qgcvt, sprintf (if
900 Configure knows how to make sprintf format long doubles--see
901 sPRIgldbl), gconvert, gcvt, and sprintf (casting to double).
902 The gconvert_preference and gconvert_ld_preference variables
903 can be used to alter Configure's preferences, for doubles and
904 long doubles, respectively. If present, they contain a
905 space-separated list of one or more of the above function
906 names in the order they should be tried.
908 d_Gconvert may be set to override Configure with a platform-
909 specific function. If this function expects a double, a
910 different value may need to be set by the uselongdouble.cbu
911 call-back unit so that long doubles can be formatted without
914 d_gdbm_ndbm_h_uses_prototypes (i_ndbm.U):
915 This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
916 which indicates that the gdbm-ndbm.h include file uses real ANSI C
917 prototypes instead of K&R style function declarations. K&R style
918 declarations are unsupported in C++, so the include file requires
919 special handling when using a C++ compiler and this variable is
920 undefined. Consult the different d_*ndbm_h_uses_prototypes variables
921 to get the same information for alternative ndbm.h include files.
923 d_gdbmndbm_h_uses_prototypes (i_ndbm.U):
924 This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
925 which indicates that the gdbm/ndbm.h include file uses real ANSI C
926 prototypes instead of K&R style function declarations. K&R style
927 declarations are unsupported in C++, so the include file requires
928 special handling when using a C++ compiler and this variable is
929 undefined. Consult the different d_*ndbm_h_uses_prototypes variables
930 to get the same information for alternative ndbm.h include files.
932 d_getaddrinfo (d_getaddrinfo.U):
933 This variable conditionally defines the HAS_GETADDRINFO symbol,
934 which indicates to the C program that the getaddrinfo() function
937 d_getcwd (d_getcwd.U):
938 This variable conditionally defines the HAS_GETCWD symbol, which
939 indicates to the C program that the getcwd() routine is available
940 to get the current working directory.
942 d_getespwnam (d_getespwnam.U):
943 This variable conditionally defines HAS_GETESPWNAM if getespwnam() is
944 available to retrieve enchanced (shadow) password entries by name.
946 d_getfsstat (d_getfsstat.U):
947 This variable conditionally defines the HAS_GETFSSTAT symbol, which
948 indicates to the C program that the getfsstat() routine is available.
950 d_getgrent (d_getgrent.U):
951 This variable conditionally defines the HAS_GETGRENT symbol, which
952 indicates to the C program that the getgrent() routine is available
953 for sequential access of the group database.
955 d_getgrent_r (d_getgrent_r.U):
956 This variable conditionally defines the HAS_GETGRENT_R symbol,
957 which indicates to the C program that the getgrent_r()
958 routine is available.
960 d_getgrgid_r (d_getgrgid_r.U):
961 This variable conditionally defines the HAS_GETGRGID_R symbol,
962 which indicates to the C program that the getgrgid_r()
963 routine is available.
965 d_getgrnam_r (d_getgrnam_r.U):
966 This variable conditionally defines the HAS_GETGRNAM_R symbol,
967 which indicates to the C program that the getgrnam_r()
968 routine is available.
970 d_getgrps (d_getgrps.U):
971 This variable conditionally defines the HAS_GETGROUPS symbol, which
972 indicates to the C program that the getgroups() routine is available
973 to get the list of process groups.
975 d_gethbyaddr (d_gethbyad.U):
976 This variable conditionally defines the HAS_GETHOSTBYADDR symbol, which
977 indicates to the C program that the gethostbyaddr() routine is available
978 to look up hosts by their IP addresses.
980 d_gethbyname (d_gethbynm.U):
981 This variable conditionally defines the HAS_GETHOSTBYNAME symbol, which
982 indicates to the C program that the gethostbyname() routine is available
983 to look up host names in some data base or other.
985 d_gethent (d_gethent.U):
986 This variable conditionally defines HAS_GETHOSTENT if gethostent() is
987 available to look up host names in some data base or another.
989 d_gethname (d_gethname.U):
990 This variable conditionally defines the HAS_GETHOSTNAME symbol, which
991 indicates to the C program that the gethostname() routine may be
992 used to derive the host name.
994 d_gethostbyaddr_r (d_gethostbyaddr_r.U):
995 This variable conditionally defines the HAS_GETHOSTBYADDR_R symbol,
996 which indicates to the C program that the gethostbyaddr_r()
997 routine is available.
999 d_gethostbyname_r (d_gethostbyname_r.U):
1000 This variable conditionally defines the HAS_GETHOSTBYNAME_R symbol,
1001 which indicates to the C program that the gethostbyname_r()
1002 routine is available.
1004 d_gethostent_r (d_gethostent_r.U):
1005 This variable conditionally defines the HAS_GETHOSTENT_R symbol,
1006 which indicates to the C program that the gethostent_r()
1007 routine is available.
1009 d_gethostprotos (d_gethostprotos.U):
1010 This variable conditionally defines the HAS_GETHOST_PROTOS symbol,
1011 which indicates to the C program that <netdb.h> supplies
1012 prototypes for the various gethost*() functions.
1013 See also netdbtype.U for probing for various netdb types.
1015 d_getitimer (d_getitimer.U):
1016 This variable conditionally defines the HAS_GETITIMER symbol, which
1017 indicates to the C program that the getitimer() routine is available.
1019 d_getlogin (d_getlogin.U):
1020 This variable conditionally defines the HAS_GETLOGIN symbol, which
1021 indicates to the C program that the getlogin() routine is available
1022 to get the login name.
1024 d_getlogin_r (d_getlogin_r.U):
1025 This variable conditionally defines the HAS_GETLOGIN_R symbol,
1026 which indicates to the C program that the getlogin_r()
1027 routine is available.
1029 d_getmnt (d_getmnt.U):
1030 This variable conditionally defines the HAS_GETMNT symbol, which
1031 indicates to the C program that the getmnt() routine is available
1032 to retrieve one or more mount info blocks by filename.
1034 d_getmntent (d_getmntent.U):
1035 This variable conditionally defines the HAS_GETMNTENT symbol, which
1036 indicates to the C program that the getmntent() routine is available
1037 to iterate through mounted files to get their mount info.
1039 d_getnameinfo (d_getnameinfo.U):
1040 This variable conditionally defines the HAS_GETNAMEINFO symbol,
1041 which indicates to the C program that the getnameinfo() function
1044 d_getnbyaddr (d_getnbyad.U):
1045 This variable conditionally defines the HAS_GETNETBYADDR symbol, which
1046 indicates to the C program that the getnetbyaddr() routine is available
1047 to look up networks by their IP addresses.
1049 d_getnbyname (d_getnbynm.U):
1050 This variable conditionally defines the HAS_GETNETBYNAME symbol, which
1051 indicates to the C program that the getnetbyname() routine is available
1052 to look up networks by their names.
1054 d_getnent (d_getnent.U):
1055 This variable conditionally defines HAS_GETNETENT if getnetent() is
1056 available to look up network names in some data base or another.
1058 d_getnetbyaddr_r (d_getnetbyaddr_r.U):
1059 This variable conditionally defines the HAS_GETNETBYADDR_R symbol,
1060 which indicates to the C program that the getnetbyaddr_r()
1061 routine is available.
1063 d_getnetbyname_r (d_getnetbyname_r.U):
1064 This variable conditionally defines the HAS_GETNETBYNAME_R symbol,
1065 which indicates to the C program that the getnetbyname_r()
1066 routine is available.
1068 d_getnetent_r (d_getnetent_r.U):
1069 This variable conditionally defines the HAS_GETNETENT_R symbol,
1070 which indicates to the C program that the getnetent_r()
1071 routine is available.
1073 d_getnetprotos (d_getnetprotos.U):
1074 This variable conditionally defines the HAS_GETNET_PROTOS symbol,
1075 which indicates to the C program that <netdb.h> supplies
1076 prototypes for the various getnet*() functions.
1077 See also netdbtype.U for probing for various netdb types.
1079 d_getpagsz (d_getpagsz.U):
1080 This variable conditionally defines HAS_GETPAGESIZE if getpagesize()
1081 is available to get the system page size.
1083 d_getpbyname (d_getprotby.U):
1084 This variable conditionally defines the HAS_GETPROTOBYNAME
1085 symbol, which indicates to the C program that the
1086 getprotobyname() routine is available to look up protocols
1089 d_getpbynumber (d_getprotby.U):
1090 This variable conditionally defines the HAS_GETPROTOBYNUMBER
1091 symbol, which indicates to the C program that the
1092 getprotobynumber() routine is available to look up protocols
1095 d_getpent (d_getpent.U):
1096 This variable conditionally defines HAS_GETPROTOENT if getprotoent() is
1097 available to look up protocols in some data base or another.
1099 d_getpgid (d_getpgid.U):
1100 This variable conditionally defines the HAS_GETPGID symbol, which
1101 indicates to the C program that the getpgid(pid) function
1102 is available to get the process group id.
1104 d_getpgrp (d_getpgrp.U):
1105 This variable conditionally defines HAS_GETPGRP if getpgrp() is
1106 available to get the current process group.
1108 d_getpgrp2 (d_getpgrp2.U):
1109 This variable conditionally defines the HAS_GETPGRP2 symbol, which
1110 indicates to the C program that the getpgrp2() (as in DG/UX) routine
1111 is available to get the current process group.
1113 d_getppid (d_getppid.U):
1114 This variable conditionally defines the HAS_GETPPID symbol, which
1115 indicates to the C program that the getppid() routine is available
1116 to get the parent process ID.
1118 d_getprior (d_getprior.U):
1119 This variable conditionally defines HAS_GETPRIORITY if getpriority()
1120 is available to get a process's priority.
1122 d_getprotobyname_r (d_getprotobyname_r.U):
1123 This variable conditionally defines the HAS_GETPROTOBYNAME_R symbol,
1124 which indicates to the C program that the getprotobyname_r()
1125 routine is available.
1127 d_getprotobynumber_r (d_getprotobynumber_r.U):
1128 This variable conditionally defines the HAS_GETPROTOBYNUMBER_R symbol,
1129 which indicates to the C program that the getprotobynumber_r()
1130 routine is available.
1132 d_getprotoent_r (d_getprotoent_r.U):
1133 This variable conditionally defines the HAS_GETPROTOENT_R symbol,
1134 which indicates to the C program that the getprotoent_r()
1135 routine is available.
1137 d_getprotoprotos (d_getprotoprotos.U):
1138 This variable conditionally defines the HAS_GETPROTO_PROTOS symbol,
1139 which indicates to the C program that <netdb.h> supplies
1140 prototypes for the various getproto*() functions.
1141 See also netdbtype.U for probing for various netdb types.
1143 d_getprpwnam (d_getprpwnam.U):
1144 This variable conditionally defines HAS_GETPRPWNAM if getprpwnam() is
1145 available to retrieve protected (shadow) password entries by name.
1147 d_getpwent (d_getpwent.U):
1148 This variable conditionally defines the HAS_GETPWENT symbol, which
1149 indicates to the C program that the getpwent() routine is available
1150 for sequential access of the passwd database.
1152 d_getpwent_r (d_getpwent_r.U):
1153 This variable conditionally defines the HAS_GETPWENT_R symbol,
1154 which indicates to the C program that the getpwent_r()
1155 routine is available.
1157 d_getpwnam_r (d_getpwnam_r.U):
1158 This variable conditionally defines the HAS_GETPWNAM_R symbol,
1159 which indicates to the C program that the getpwnam_r()
1160 routine is available.
1162 d_getpwuid_r (d_getpwuid_r.U):
1163 This variable conditionally defines the HAS_GETPWUID_R symbol,
1164 which indicates to the C program that the getpwuid_r()
1165 routine is available.
1167 d_getsbyname (d_getsrvby.U):
1168 This variable conditionally defines the HAS_GETSERVBYNAME
1169 symbol, which indicates to the C program that the
1170 getservbyname() routine is available to look up services
1173 d_getsbyport (d_getsrvby.U):
1174 This variable conditionally defines the HAS_GETSERVBYPORT
1175 symbol, which indicates to the C program that the
1176 getservbyport() routine is available to look up services
1179 d_getsent (d_getsent.U):
1180 This variable conditionally defines HAS_GETSERVENT if getservent() is
1181 available to look up network services in some data base or another.
1183 d_getservbyname_r (d_getservbyname_r.U):
1184 This variable conditionally defines the HAS_GETSERVBYNAME_R symbol,
1185 which indicates to the C program that the getservbyname_r()
1186 routine is available.
1188 d_getservbyport_r (d_getservbyport_r.U):
1189 This variable conditionally defines the HAS_GETSERVBYPORT_R symbol,
1190 which indicates to the C program that the getservbyport_r()
1191 routine is available.
1193 d_getservent_r (d_getservent_r.U):
1194 This variable conditionally defines the HAS_GETSERVENT_R symbol,
1195 which indicates to the C program that the getservent_r()
1196 routine is available.
1198 d_getservprotos (d_getservprotos.U):
1199 This variable conditionally defines the HAS_GETSERV_PROTOS symbol,
1200 which indicates to the C program that <netdb.h> supplies
1201 prototypes for the various getserv*() functions.
1202 See also netdbtype.U for probing for various netdb types.
1204 d_getspnam (d_getspnam.U):
1205 This variable conditionally defines HAS_GETSPNAM if getspnam() is
1206 available to retrieve SysV shadow password entries by name.
1208 d_getspnam_r (d_getspnam_r.U):
1209 This variable conditionally defines the HAS_GETSPNAM_R symbol,
1210 which indicates to the C program that the getspnam_r()
1211 routine is available.
1213 d_gettimeod (d_ftime.U):
1214 This variable conditionally defines the HAS_GETTIMEOFDAY symbol, which
1215 indicates that the gettimeofday() system call exists (to obtain a
1216 sub-second accuracy clock). You should probably include <sys/resource.h>.
1218 d_gmtime64 (d_timefuncs64.U):
1219 This variable conditionally defines the HAS_GMTIME64 symbol, which
1220 indicates to the C program that the gmtime64 () routine is available.
1222 d_gmtime_r (d_gmtime_r.U):
1223 This variable conditionally defines the HAS_GMTIME_R symbol,
1224 which indicates to the C program that the gmtime_r()
1225 routine is available.
1227 d_gnulibc (d_gnulibc.U):
1228 Defined if we're dealing with the GNU C Library.
1230 d_grpasswd (i_grp.U):
1231 This variable conditionally defines GRPASSWD, which indicates
1232 that struct group in <grp.h> contains gr_passwd.
1234 d_hasmntopt (d_hasmntopt.U):
1235 This variable conditionally defines the HAS_HASMNTOPT symbol, which
1236 indicates to the C program that the hasmntopt() routine is available
1237 to query the mount options of file systems.
1239 d_htonl (d_htonl.U):
1240 This variable conditionally defines HAS_HTONL if htonl() and its
1241 friends are available to do network order byte swapping.
1243 d_ilogbl (d_ilogbl.U):
1244 This variable conditionally defines the HAS_ILOGBL symbol, which
1245 indicates to the C program that the ilogbl() routine is available.
1246 If scalbnl is also present we can emulate frexpl.
1248 d_inc_version_list (inc_version_list.U):
1249 This variable conditionally defines PERL_INC_VERSION_LIST.
1250 It is set to undef when PERL_INC_VERSION_LIST is empty.
1252 d_index (d_strchr.U):
1253 This variable conditionally defines HAS_INDEX if index() and
1254 rindex() are available for string searching.
1256 d_inetaton (d_inetaton.U):
1257 This variable conditionally defines the HAS_INET_ATON symbol, which
1258 indicates to the C program that the inet_aton() function is available
1259 to parse IP address "dotted-quad" strings.
1261 d_inetntop (d_inetntop.U):
1262 This variable conditionally defines the HAS_INETNTOP symbol,
1263 which indicates to the C program that the inet_ntop() function
1266 d_inetpton (d_inetpton.U):
1267 This variable conditionally defines the HAS_INETPTON symbol,
1268 which indicates to the C program that the inet_pton() function
1271 d_int64_t (d_int64_t.U):
1272 This symbol will be defined if the C compiler supports int64_t.
1274 d_isascii (d_isascii.U):
1275 This variable conditionally defines the HAS_ISASCII constant,
1276 which indicates to the C program that isascii() is available.
1278 d_isfinite (d_isfinite.U):
1279 This variable conditionally defines the HAS_ISFINITE symbol, which
1280 indicates to the C program that the isfinite() routine is available.
1282 d_isinf (d_isinf.U):
1283 This variable conditionally defines the HAS_ISINF symbol, which
1284 indicates to the C program that the isinf() routine is available.
1286 d_isnan (d_isnan.U):
1287 This variable conditionally defines the HAS_ISNAN symbol, which
1288 indicates to the C program that the isnan() routine is available.
1290 d_isnanl (d_isnanl.U):
1291 This variable conditionally defines the HAS_ISNANL symbol, which
1292 indicates to the C program that the isnanl() routine is available.
1294 d_killpg (d_killpg.U):
1295 This variable conditionally defines the HAS_KILLPG symbol, which
1296 indicates to the C program that the killpg() routine is available
1297 to kill process groups.
1299 d_lchown (d_lchown.U):
1300 This variable conditionally defines the HAS_LCHOWN symbol, which
1301 indicates to the C program that the lchown() routine is available
1302 to operate on a symbolic link (instead of following the link).
1304 d_ldbl_dig (d_ldbl_dig.U):
1305 This variable conditionally defines d_ldbl_dig if this system's
1306 header files provide LDBL_DIG, which is the number of significant
1307 digits in a long double precision number.
1309 d_libm_lib_version (d_libm_lib_version.U):
1310 This variable conditionally defines the LIBM_LIB_VERSION symbol,
1311 which indicates to the C program that math.h defines _LIB_VERSION
1312 being available in libm
1315 This variable conditionally defines HAS_LINK if link() is
1316 available to create hard links.
1318 d_localtime64 (d_timefuncs64.U):
1319 This variable conditionally defines the HAS_LOCALTIME64 symbol, which
1320 indicates to the C program that the localtime64 () routine is available.
1322 d_localtime_r (d_localtime_r.U):
1323 This variable conditionally defines the HAS_LOCALTIME_R symbol,
1324 which indicates to the C program that the localtime_r()
1325 routine is available.
1327 d_localtime_r_needs_tzset (d_localtime_r.U):
1328 This variable conditionally defines the LOCALTIME_R_NEEDS_TZSET
1329 symbol, which makes us call tzset before localtime_r()
1331 d_locconv (d_locconv.U):
1332 This variable conditionally defines HAS_LOCALECONV if localeconv() is
1333 available for numeric and monetary formatting conventions.
1335 d_lockf (d_lockf.U):
1336 This variable conditionally defines HAS_LOCKF if lockf() is
1337 available to do file locking.
1339 d_longdbl (d_longdbl.U):
1340 This variable conditionally defines HAS_LONG_DOUBLE if
1341 the long double type is supported.
1343 d_longlong (d_longlong.U):
1344 This variable conditionally defines HAS_LONG_LONG if
1345 the long long type is supported.
1347 d_lseekproto (d_lseekproto.U):
1348 This variable conditionally defines the HAS_LSEEK_PROTO symbol,
1349 which indicates to the C program that the system provides
1350 a prototype for the lseek() function. Otherwise, it is
1351 up to the program to supply one.
1353 d_lstat (d_lstat.U):
1354 This variable conditionally defines HAS_LSTAT if lstat() is
1355 available to do file stats on symbolic links.
1357 d_madvise (d_madvise.U):
1358 This variable conditionally defines HAS_MADVISE if madvise() is
1359 available to map a file into memory.
1361 d_malloc_good_size (d_malloc_size.U):
1362 This symbol, if defined, indicates that the malloc_good_size
1363 routine is available for use.
1365 d_malloc_size (d_malloc_size.U):
1366 This symbol, if defined, indicates that the malloc_size
1367 routine is available for use.
1369 d_mblen (d_mblen.U):
1370 This variable conditionally defines the HAS_MBLEN symbol, which
1371 indicates to the C program that the mblen() routine is available
1372 to find the number of bytes in a multibye character.
1374 d_mbstowcs (d_mbstowcs.U):
1375 This variable conditionally defines the HAS_MBSTOWCS symbol, which
1376 indicates to the C program that the mbstowcs() routine is available
1377 to convert a multibyte string into a wide character string.
1379 d_mbtowc (d_mbtowc.U):
1380 This variable conditionally defines the HAS_MBTOWC symbol, which
1381 indicates to the C program that the mbtowc() routine is available
1382 to convert multibyte to a wide character.
1384 d_memchr (d_memchr.U):
1385 This variable conditionally defines the HAS_MEMCHR symbol, which
1386 indicates to the C program that the memchr() routine is available
1387 to locate characters within a C string.
1389 d_memcmp (d_memcmp.U):
1390 This variable conditionally defines the HAS_MEMCMP symbol, which
1391 indicates to the C program that the memcmp() routine is available
1392 to compare blocks of memory.
1394 d_memcpy (d_memcpy.U):
1395 This variable conditionally defines the HAS_MEMCPY symbol, which
1396 indicates to the C program that the memcpy() routine is available
1397 to copy blocks of memory.
1399 d_memmove (d_memmove.U):
1400 This variable conditionally defines the HAS_MEMMOVE symbol, which
1401 indicates to the C program that the memmove() routine is available
1402 to copy potentatially overlapping blocks of memory.
1404 d_memset (d_memset.U):
1405 This variable conditionally defines the HAS_MEMSET symbol, which
1406 indicates to the C program that the memset() routine is available
1407 to set blocks of memory.
1409 d_mkdir (d_mkdir.U):
1410 This variable conditionally defines the HAS_MKDIR symbol, which
1411 indicates to the C program that the mkdir() routine is available
1412 to create directories..
1414 d_mkdtemp (d_mkdtemp.U):
1415 This variable conditionally defines the HAS_MKDTEMP symbol, which
1416 indicates to the C program that the mkdtemp() routine is available
1417 to exclusively create a uniquely named temporary directory.
1419 d_mkfifo (d_mkfifo.U):
1420 This variable conditionally defines the HAS_MKFIFO symbol, which
1421 indicates to the C program that the mkfifo() routine is available.
1423 d_mkstemp (d_mkstemp.U):
1424 This variable conditionally defines the HAS_MKSTEMP symbol, which
1425 indicates to the C program that the mkstemp() routine is available
1426 to exclusively create and open a uniquely named temporary file.
1428 d_mkstemps (d_mkstemps.U):
1429 This variable conditionally defines the HAS_MKSTEMPS symbol, which
1430 indicates to the C program that the mkstemps() routine is available
1431 to exclusively create and open a uniquely named (with a suffix)
1434 d_mktime (d_mktime.U):
1435 This variable conditionally defines the HAS_MKTIME symbol, which
1436 indicates to the C program that the mktime() routine is available.
1438 d_mktime64 (d_timefuncs64.U):
1439 This variable conditionally defines the HAS_MKTIME64 symbol, which
1440 indicates to the C program that the mktime64 () routine is available.
1443 This variable conditionally defines HAS_MMAP if mmap() is
1444 available to map a file into memory.
1446 d_modfl (d_modfl.U):
1447 This variable conditionally defines the HAS_MODFL symbol, which
1448 indicates to the C program that the modfl() routine is available.
1450 d_modfl_pow32_bug (d_modfl.U):
1451 This variable conditionally defines the HAS_MODFL_POW32_BUG symbol,
1452 which indicates that modfl() is broken for long doubles >= pow(2, 32).
1453 For example from 4294967303.150000 one would get 4294967302.000000
1454 and 1.150000. The bug has been seen in certain versions of glibc,
1455 release 2.2.2 is known to be okay.
1457 d_modflproto (d_modfl.U):
1458 This symbol, if defined, indicates that the system provides
1459 a prototype for the modfl() function. Otherwise, it is up
1460 to the program to supply one. C99 says it should be
1461 long double modfl(long double, long double *);
1463 d_mprotect (d_mprotect.U):
1464 This variable conditionally defines HAS_MPROTECT if mprotect() is
1465 available to modify the access protection of a memory mapped file.
1468 This variable conditionally defines the HAS_MSG symbol, which
1469 indicates that the entire msg*(2) library is present.
1471 d_msg_ctrunc (d_socket.U):
1472 This variable conditionally defines the HAS_MSG_CTRUNC symbol,
1473 which indicates that the MSG_CTRUNC is available. #ifdef is
1474 not enough because it may be an enum, glibc has been known to do this.
1476 d_msg_dontroute (d_socket.U):
1477 This variable conditionally defines the HAS_MSG_DONTROUTE symbol,
1478 which indicates that the MSG_DONTROUTE is available. #ifdef is
1479 not enough because it may be an enum, glibc has been known to do this.
1481 d_msg_oob (d_socket.U):
1482 This variable conditionally defines the HAS_MSG_OOB symbol,
1483 which indicates that the MSG_OOB is available. #ifdef is
1484 not enough because it may be an enum, glibc has been known to do this.
1486 d_msg_peek (d_socket.U):
1487 This variable conditionally defines the HAS_MSG_PEEK symbol,
1488 which indicates that the MSG_PEEK is available. #ifdef is
1489 not enough because it may be an enum, glibc has been known to do this.
1491 d_msg_proxy (d_socket.U):
1492 This variable conditionally defines the HAS_MSG_PROXY symbol,
1493 which indicates that the MSG_PROXY is available. #ifdef is
1494 not enough because it may be an enum, glibc has been known to do this.
1496 d_msgctl (d_msgctl.U):
1497 This variable conditionally defines the HAS_MSGCTL symbol, which
1498 indicates to the C program that the msgctl() routine is available.
1500 d_msgget (d_msgget.U):
1501 This variable conditionally defines the HAS_MSGGET symbol, which
1502 indicates to the C program that the msgget() routine is available.
1504 d_msghdr_s (d_msghdr_s.U):
1505 This variable conditionally defines the HAS_STRUCT_MSGHDR symbol,
1506 which indicates that the struct msghdr is supported.
1508 d_msgrcv (d_msgrcv.U):
1509 This variable conditionally defines the HAS_MSGRCV symbol, which
1510 indicates to the C program that the msgrcv() routine is available.
1512 d_msgsnd (d_msgsnd.U):
1513 This variable conditionally defines the HAS_MSGSND symbol, which
1514 indicates to the C program that the msgsnd() routine is available.
1516 d_msync (d_msync.U):
1517 This variable conditionally defines HAS_MSYNC if msync() is
1518 available to synchronize a mapped file.
1520 d_munmap (d_munmap.U):
1521 This variable conditionally defines HAS_MUNMAP if munmap() is
1522 available to unmap a region mapped by mmap().
1524 d_mymalloc (mallocsrc.U):
1525 This variable conditionally defines MYMALLOC in case other parts
1526 of the source want to take special action if MYMALLOC is used.
1527 This may include different sorts of profiling or error detection.
1530 This variable conditionally defines the HAS_NDBM symbol, which
1531 indicates that both the ndbm.h include file and an appropriate ndbm
1532 library exist. Consult the different i_*ndbm variables
1533 to find out the actual include location. Sometimes, a system has the
1534 header file but not the library. This variable will only be set if
1535 the system has both.
1537 d_ndbm_h_uses_prototypes (i_ndbm.U):
1538 This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
1539 which indicates that the ndbm.h include file uses real ANSI C
1540 prototypes instead of K&R style function declarations. K&R style
1541 declarations are unsupported in C++, so the include file requires
1542 special handling when using a C++ compiler and this variable is
1543 undefined. Consult the different d_*ndbm_h_uses_prototypes variables
1544 to get the same information for alternative ndbm.h include files.
1547 This variable conditionally defines the HAS_NICE symbol, which
1548 indicates to the C program that the nice() routine is available.
1550 d_nl_langinfo (d_nl_langinfo.U):
1551 This variable conditionally defines the HAS_NL_LANGINFO symbol, which
1552 indicates to the C program that the nl_langinfo() routine is available.
1554 d_nv_preserves_uv (perlxv.U):
1555 This variable indicates whether a variable of type nvtype
1556 can preserve all the bits a variable of type uvtype.
1558 d_nv_zero_is_allbits_zero (perlxv.U):
1559 This variable indicates whether a variable of type nvtype
1560 stores 0.0 in memory as all bits zero.
1562 d_off64_t (d_off64_t.U):
1563 This symbol will be defined if the C compiler supports off64_t.
1565 d_old_pthread_create_joinable (d_pthrattrj.U):
1566 This variable conditionally defines pthread_create_joinable.
1567 undef if pthread.h defines PTHREAD_CREATE_JOINABLE.
1569 d_oldpthreads (usethreads.U):
1570 This variable conditionally defines the OLD_PTHREADS_API symbol,
1571 and indicates that Perl should be built to use the old
1572 draft POSIX threads API. This is only potentially meaningful if
1575 d_oldsock (d_socket.U):
1576 This variable conditionally defines the OLDSOCKET symbol, which
1577 indicates that the BSD socket interface is based on 4.1c and not 4.2.
1579 d_open3 (d_open3.U):
1580 This variable conditionally defines the HAS_OPEN3 manifest constant,
1581 which indicates to the C program that the 3 argument version of
1582 the open(2) function is available.
1584 d_pathconf (d_pathconf.U):
1585 This variable conditionally defines the HAS_PATHCONF symbol, which
1586 indicates to the C program that the pathconf() routine is available
1587 to determine file-system related limits and options associated
1588 with a given filename.
1590 d_pause (d_pause.U):
1591 This variable conditionally defines the HAS_PAUSE symbol, which
1592 indicates to the C program that the pause() routine is available
1593 to suspend a process until a signal is received.
1595 d_perl_otherlibdirs (otherlibdirs.U):
1596 This variable conditionally defines PERL_OTHERLIBDIRS, which
1597 contains a colon-separated set of paths for the perl binary to
1598 include in @INC. See also otherlibdirs.
1600 d_phostname (d_gethname.U):
1601 This variable conditionally defines the HAS_PHOSTNAME symbol, which
1602 contains the shell command which, when fed to popen(), may be
1603 used to derive the host name.
1606 This variable conditionally defines the HAS_PIPE symbol, which
1607 indicates to the C program that the pipe() routine is available
1608 to create an inter-process channel.
1611 This variable conditionally defines the HAS_POLL symbol, which
1612 indicates to the C program that the poll() routine is available
1613 to poll active file descriptors.
1615 d_portable (d_portable.U):
1616 This variable conditionally defines the PORTABLE symbol, which
1617 indicates to the C program that it should not assume that it is
1618 running on the machine it was compiled on.
1620 d_prctl (d_prctl.U):
1621 This variable conditionally defines the HAS_PRCTL symbol, which
1622 indicates to the C program that the prctl() routine is available.
1624 d_prctl_set_name (d_prctl.U):
1625 This variable conditionally defines the HAS_PRCTL symbol, which
1626 indicates to the C program that the prctl() routine is available.
1628 d_PRId64 (quadfio.U):
1629 This variable conditionally defines the PERL_PRId64 symbol, which
1630 indiciates that stdio has a symbol to print 64-bit decimal numbers.
1632 d_PRIeldbl (longdblfio.U):
1633 This variable conditionally defines the PERL_PRIfldbl symbol, which
1634 indiciates that stdio has a symbol to print long doubles.
1636 d_PRIEUldbl (longdblfio.U):
1637 This variable conditionally defines the PERL_PRIfldbl symbol, which
1638 indiciates that stdio has a symbol to print long doubles.
1639 The 'U' in the name is to separate this from d_PRIeldbl so that even
1640 case-blind systems can see the difference.
1642 d_PRIfldbl (longdblfio.U):
1643 This variable conditionally defines the PERL_PRIfldbl symbol, which
1644 indiciates that stdio has a symbol to print long doubles.
1646 d_PRIFUldbl (longdblfio.U):
1647 This variable conditionally defines the PERL_PRIfldbl symbol, which
1648 indiciates that stdio has a symbol to print long doubles.
1649 The 'U' in the name is to separate this from d_PRIfldbl so that even
1650 case-blind systems can see the difference.
1652 d_PRIgldbl (longdblfio.U):
1653 This variable conditionally defines the PERL_PRIfldbl symbol, which
1654 indiciates that stdio has a symbol to print long doubles.
1656 d_PRIGUldbl (longdblfio.U):
1657 This variable conditionally defines the PERL_PRIfldbl symbol, which
1658 indiciates that stdio has a symbol to print long doubles.
1659 The 'U' in the name is to separate this from d_PRIgldbl so that even
1660 case-blind systems can see the difference.
1662 d_PRIi64 (quadfio.U):
1663 This variable conditionally defines the PERL_PRIi64 symbol, which
1664 indiciates that stdio has a symbol to print 64-bit decimal numbers.
1666 d_printf_format_null (d_attribut.U):
1667 This variable conditionally defines PRINTF_FORMAT_NULL_OK, which
1668 indicates the C compiler allows printf-like formats to be null.
1670 d_PRIo64 (quadfio.U):
1671 This variable conditionally defines the PERL_PRIo64 symbol, which
1672 indiciates that stdio has a symbol to print 64-bit octal numbers.
1674 d_PRIu64 (quadfio.U):
1675 This variable conditionally defines the PERL_PRIu64 symbol, which
1676 indiciates that stdio has a symbol to print 64-bit unsigned decimal
1679 d_PRIx64 (quadfio.U):
1680 This variable conditionally defines the PERL_PRIx64 symbol, which
1681 indiciates that stdio has a symbol to print 64-bit hexadecimal numbers.
1683 d_PRIXU64 (quadfio.U):
1684 This variable conditionally defines the PERL_PRIXU64 symbol, which
1685 indiciates that stdio has a symbol to print 64-bit hExADECimAl numbers.
1686 The 'U' in the name is to separate this from d_PRIx64 so that even
1687 case-blind systems can see the difference.
1689 d_procselfexe (d_procselfexe.U):
1690 Defined if $procselfexe is symlink to the absolute
1691 pathname of the executing program.
1693 d_pseudofork (d_vfork.U):
1694 This variable conditionally defines the HAS_PSEUDOFORK symbol,
1695 which indicates that an emulation of the fork routine is available.
1697 d_pthread_atfork (d_pthread_atfork.U):
1698 This variable conditionally defines the HAS_PTHREAD_ATFORK symbol,
1699 which indicates to the C program that the pthread_atfork()
1700 routine is available.
1702 d_pthread_attr_setscope (d_pthread_attr_ss.U):
1703 This variable conditionally defines HAS_PTHREAD_ATTR_SETSCOPE if
1704 pthread_attr_setscope() is available to set the contention scope
1705 attribute of a thread attribute object.
1707 d_pthread_yield (d_pthread_y.U):
1708 This variable conditionally defines the HAS_PTHREAD_YIELD
1709 symbol if the pthread_yield routine is available to yield
1710 the execution of the current thread.
1713 This variable conditionally defines PWAGE, which indicates
1714 that struct passwd contains pw_age.
1716 d_pwchange (i_pwd.U):
1717 This variable conditionally defines PWCHANGE, which indicates
1718 that struct passwd contains pw_change.
1720 d_pwclass (i_pwd.U):
1721 This variable conditionally defines PWCLASS, which indicates
1722 that struct passwd contains pw_class.
1724 d_pwcomment (i_pwd.U):
1725 This variable conditionally defines PWCOMMENT, which indicates
1726 that struct passwd contains pw_comment.
1728 d_pwexpire (i_pwd.U):
1729 This variable conditionally defines PWEXPIRE, which indicates
1730 that struct passwd contains pw_expire.
1732 d_pwgecos (i_pwd.U):
1733 This variable conditionally defines PWGECOS, which indicates
1734 that struct passwd contains pw_gecos.
1736 d_pwpasswd (i_pwd.U):
1737 This variable conditionally defines PWPASSWD, which indicates
1738 that struct passwd contains pw_passwd.
1740 d_pwquota (i_pwd.U):
1741 This variable conditionally defines PWQUOTA, which indicates
1742 that struct passwd contains pw_quota.
1744 d_qgcvt (d_qgcvt.U):
1745 This variable conditionally defines the HAS_QGCVT symbol, which
1746 indicates to the C program that the qgcvt() routine is available.
1748 d_quad (quadtype.U):
1749 This variable, if defined, tells that there's a 64-bit integer type,
1752 d_random_r (d_random_r.U):
1753 This variable conditionally defines the HAS_RANDOM_R symbol,
1754 which indicates to the C program that the random_r()
1755 routine is available.
1757 d_readdir (d_readdir.U):
1758 This variable conditionally defines HAS_READDIR if readdir() is
1759 available to read directory entries.
1761 d_readdir64_r (d_readdir64_r.U):
1762 This variable conditionally defines the HAS_READDIR64_R symbol,
1763 which indicates to the C program that the readdir64_r()
1764 routine is available.
1766 d_readdir_r (d_readdir_r.U):
1767 This variable conditionally defines the HAS_READDIR_R symbol,
1768 which indicates to the C program that the readdir_r()
1769 routine is available.
1771 d_readlink (d_readlink.U):
1772 This variable conditionally defines the HAS_READLINK symbol, which
1773 indicates to the C program that the readlink() routine is available
1774 to read the value of a symbolic link.
1776 d_readv (d_readv.U):
1777 This variable conditionally defines the HAS_READV symbol, which
1778 indicates to the C program that the readv() routine is available.
1780 d_recvmsg (d_recvmsg.U):
1781 This variable conditionally defines the HAS_RECVMSG symbol, which
1782 indicates to the C program that the recvmsg() routine is available.
1784 d_rename (d_rename.U):
1785 This variable conditionally defines the HAS_RENAME symbol, which
1786 indicates to the C program that the rename() routine is available
1789 d_rewinddir (d_readdir.U):
1790 This variable conditionally defines HAS_REWINDDIR if rewinddir() is
1793 d_rmdir (d_rmdir.U):
1794 This variable conditionally defines HAS_RMDIR if rmdir() is
1795 available to remove directories.
1797 d_safebcpy (d_safebcpy.U):
1798 This variable conditionally defines the HAS_SAFE_BCOPY symbol if
1799 the bcopy() routine can do overlapping copies. Normally, you
1800 should probably use memmove().
1802 d_safemcpy (d_safemcpy.U):
1803 This variable conditionally defines the HAS_SAFE_MEMCPY symbol if
1804 the memcpy() routine can do overlapping copies.
1805 For overlapping copies, memmove() should be used, if available.
1807 d_sanemcmp (d_sanemcmp.U):
1808 This variable conditionally defines the HAS_SANE_MEMCMP symbol if
1809 the memcpy() routine is available and can be used to compare relative
1810 magnitudes of chars with their high bits set.
1812 d_sbrkproto (d_sbrkproto.U):
1813 This variable conditionally defines the HAS_SBRK_PROTO symbol,
1814 which indicates to the C program that the system provides
1815 a prototype for the sbrk() function. Otherwise, it is
1816 up to the program to supply one.
1818 d_scalbnl (d_scalbnl.U):
1819 This variable conditionally defines the HAS_SCALBNL symbol, which
1820 indicates to the C program that the scalbnl() routine is available.
1821 If ilogbl is also present we can emulate frexpl.
1823 d_sched_yield (d_pthread_y.U):
1824 This variable conditionally defines the HAS_SCHED_YIELD
1825 symbol if the sched_yield routine is available to yield
1826 the execution of the current thread.
1828 d_scm_rights (d_socket.U):
1829 This variable conditionally defines the HAS_SCM_RIGHTS symbol,
1830 which indicates that the SCM_RIGHTS is available. #ifdef is
1831 not enough because it may be an enum, glibc has been known to do this.
1833 d_SCNfldbl (longdblfio.U):
1834 This variable conditionally defines the PERL_PRIfldbl symbol, which
1835 indiciates that stdio has a symbol to scan long doubles.
1837 d_seekdir (d_readdir.U):
1838 This variable conditionally defines HAS_SEEKDIR if seekdir() is
1841 d_select (d_select.U):
1842 This variable conditionally defines HAS_SELECT if select() is
1843 available to select active file descriptors. A <sys/time.h>
1844 inclusion may be necessary for the timeout field.
1847 This variable conditionally defines the HAS_SEM symbol, which
1848 indicates that the entire sem*(2) library is present.
1850 d_semctl (d_semctl.U):
1851 This variable conditionally defines the HAS_SEMCTL symbol, which
1852 indicates to the C program that the semctl() routine is available.
1854 d_semctl_semid_ds (d_union_semun.U):
1855 This variable conditionally defines USE_SEMCTL_SEMID_DS, which
1856 indicates that struct semid_ds * is to be used for semctl IPC_STAT.
1858 d_semctl_semun (d_union_semun.U):
1859 This variable conditionally defines USE_SEMCTL_SEMUN, which
1860 indicates that union semun is to be used for semctl IPC_STAT.
1862 d_semget (d_semget.U):
1863 This variable conditionally defines the HAS_SEMGET symbol, which
1864 indicates to the C program that the semget() routine is available.
1866 d_semop (d_semop.U):
1867 This variable conditionally defines the HAS_SEMOP symbol, which
1868 indicates to the C program that the semop() routine is available.
1870 d_sendmsg (d_sendmsg.U):
1871 This variable conditionally defines the HAS_SENDMSG symbol, which
1872 indicates to the C program that the sendmsg() routine is available.
1874 d_setegid (d_setegid.U):
1875 This variable conditionally defines the HAS_SETEGID symbol, which
1876 indicates to the C program that the setegid() routine is available
1877 to change the effective gid of the current program.
1879 d_seteuid (d_seteuid.U):
1880 This variable conditionally defines the HAS_SETEUID symbol, which
1881 indicates to the C program that the seteuid() routine is available
1882 to change the effective uid of the current program.
1884 d_setgrent (d_setgrent.U):
1885 This variable conditionally defines the HAS_SETGRENT symbol, which
1886 indicates to the C program that the setgrent() routine is available
1887 for initializing sequential access to the group database.
1889 d_setgrent_r (d_setgrent_r.U):
1890 This variable conditionally defines the HAS_SETGRENT_R symbol,
1891 which indicates to the C program that the setgrent_r()
1892 routine is available.
1894 d_setgrps (d_setgrps.U):
1895 This variable conditionally defines the HAS_SETGROUPS symbol, which
1896 indicates to the C program that the setgroups() routine is available
1897 to set the list of process groups.
1899 d_sethent (d_sethent.U):
1900 This variable conditionally defines HAS_SETHOSTENT if sethostent() is
1903 d_sethostent_r (d_sethostent_r.U):
1904 This variable conditionally defines the HAS_SETHOSTENT_R symbol,
1905 which indicates to the C program that the sethostent_r()
1906 routine is available.
1908 d_setitimer (d_setitimer.U):
1909 This variable conditionally defines the HAS_SETITIMER symbol, which
1910 indicates to the C program that the setitimer() routine is available.
1912 d_setlinebuf (d_setlnbuf.U):
1913 This variable conditionally defines the HAS_SETLINEBUF symbol, which
1914 indicates to the C program that the setlinebuf() routine is available
1915 to change stderr or stdout from block-buffered or unbuffered to a
1918 d_setlocale (d_setlocale.U):
1919 This variable conditionally defines HAS_SETLOCALE if setlocale() is
1920 available to handle locale-specific ctype implementations.
1922 d_setlocale_r (d_setlocale_r.U):
1923 This variable conditionally defines the HAS_SETLOCALE_R symbol,
1924 which indicates to the C program that the setlocale_r()
1925 routine is available.
1927 d_setnent (d_setnent.U):
1928 This variable conditionally defines HAS_SETNETENT if setnetent() is
1931 d_setnetent_r (d_setnetent_r.U):
1932 This variable conditionally defines the HAS_SETNETENT_R symbol,
1933 which indicates to the C program that the setnetent_r()
1934 routine is available.
1936 d_setpent (d_setpent.U):
1937 This variable conditionally defines HAS_SETPROTOENT if setprotoent() is
1940 d_setpgid (d_setpgid.U):
1941 This variable conditionally defines the HAS_SETPGID symbol if the
1942 setpgid(pid, gpid) function is available to set process group ID.
1944 d_setpgrp (d_setpgrp.U):
1945 This variable conditionally defines HAS_SETPGRP if setpgrp() is
1946 available to set the current process group.
1948 d_setpgrp2 (d_setpgrp2.U):
1949 This variable conditionally defines the HAS_SETPGRP2 symbol, which
1950 indicates to the C program that the setpgrp2() (as in DG/UX) routine
1951 is available to set the current process group.
1953 d_setprior (d_setprior.U):
1954 This variable conditionally defines HAS_SETPRIORITY if setpriority()
1955 is available to set a process's priority.
1957 d_setproctitle (d_setproctitle.U):
1958 This variable conditionally defines the HAS_SETPROCTITLE symbol,
1959 which indicates to the C program that the setproctitle() routine
1962 d_setprotoent_r (d_setprotoent_r.U):
1963 This variable conditionally defines the HAS_SETPROTOENT_R symbol,
1964 which indicates to the C program that the setprotoent_r()
1965 routine is available.
1967 d_setpwent (d_setpwent.U):
1968 This variable conditionally defines the HAS_SETPWENT symbol, which
1969 indicates to the C program that the setpwent() routine is available
1970 for initializing sequential access to the passwd database.
1972 d_setpwent_r (d_setpwent_r.U):
1973 This variable conditionally defines the HAS_SETPWENT_R symbol,
1974 which indicates to the C program that the setpwent_r()
1975 routine is available.
1977 d_setregid (d_setregid.U):
1978 This variable conditionally defines HAS_SETREGID if setregid() is
1979 available to change the real and effective gid of the current
1982 d_setresgid (d_setregid.U):
1983 This variable conditionally defines HAS_SETRESGID if setresgid() is
1984 available to change the real, effective and saved gid of the current
1987 d_setresuid (d_setreuid.U):
1988 This variable conditionally defines HAS_SETREUID if setresuid() is
1989 available to change the real, effective and saved uid of the current
1992 d_setreuid (d_setreuid.U):
1993 This variable conditionally defines HAS_SETREUID if setreuid() is
1994 available to change the real and effective uid of the current
1997 d_setrgid (d_setrgid.U):
1998 This variable conditionally defines the HAS_SETRGID symbol, which
1999 indicates to the C program that the setrgid() routine is available
2000 to change the real gid of the current program.
2002 d_setruid (d_setruid.U):
2003 This variable conditionally defines the HAS_SETRUID symbol, which
2004 indicates to the C program that the setruid() routine is available
2005 to change the real uid of the current program.
2007 d_setsent (d_setsent.U):
2008 This variable conditionally defines HAS_SETSERVENT if setservent() is
2011 d_setservent_r (d_setservent_r.U):
2012 This variable conditionally defines the HAS_SETSERVENT_R symbol,
2013 which indicates to the C program that the setservent_r()
2014 routine is available.
2016 d_setsid (d_setsid.U):
2017 This variable conditionally defines HAS_SETSID if setsid() is
2018 available to set the process group ID.
2020 d_setvbuf (d_setvbuf.U):
2021 This variable conditionally defines the HAS_SETVBUF symbol, which
2022 indicates to the C program that the setvbuf() routine is available
2023 to change buffering on an open stdio stream.
2026 This variable conditionally defines the USE_SFIO symbol,
2027 and indicates whether sfio is available (and should be used).
2030 This variable conditionally defines the HAS_SHM symbol, which
2031 indicates that the entire shm*(2) library is present.
2033 d_shmat (d_shmat.U):
2034 This variable conditionally defines the HAS_SHMAT symbol, which
2035 indicates to the C program that the shmat() routine is available.
2037 d_shmatprototype (d_shmat.U):
2038 This variable conditionally defines the HAS_SHMAT_PROTOTYPE
2039 symbol, which indicates that sys/shm.h has a prototype for
2042 d_shmctl (d_shmctl.U):
2043 This variable conditionally defines the HAS_SHMCTL symbol, which
2044 indicates to the C program that the shmctl() routine is available.
2046 d_shmdt (d_shmdt.U):
2047 This variable conditionally defines the HAS_SHMDT symbol, which
2048 indicates to the C program that the shmdt() routine is available.
2050 d_shmget (d_shmget.U):
2051 This variable conditionally defines the HAS_SHMGET symbol, which
2052 indicates to the C program that the shmget() routine is available.
2054 d_sigaction (d_sigaction.U):
2055 This variable conditionally defines the HAS_SIGACTION symbol, which
2056 indicates that the Vr4 sigaction() routine is available.
2058 d_signbit (d_signbit.U):
2059 This variable conditionally defines the HAS_SIGNBIT symbol, which
2060 indicates to the C program that the signbit() routine is available
2061 and safe to use with perl's intern NV type.
2063 d_sigprocmask (d_sigprocmask.U):
2064 This variable conditionally defines HAS_SIGPROCMASK
2065 if sigprocmask() is available to examine or change the signal mask
2066 of the calling process.
2068 d_sigsetjmp (d_sigsetjmp.U):
2069 This variable conditionally defines the HAS_SIGSETJMP symbol,
2070 which indicates that the sigsetjmp() routine is available to
2071 call setjmp() and optionally save the process's signal mask.
2073 d_sitearch (sitearch.U):
2074 This variable conditionally defines SITEARCH to hold the pathname
2075 of architecture-dependent library files for $package. If
2076 $sitearch is the same as $archlib, then this is set to undef.
2078 d_snprintf (d_snprintf.U):
2079 This variable conditionally defines the HAS_SNPRINTF symbol, which
2080 indicates to the C program that the snprintf () library function
2083 d_sockatmark (d_sockatmark.U):
2084 This variable conditionally defines the HAS_SOCKATMARK symbol, which
2085 indicates to the C program that the sockatmark() routine is available.
2087 d_sockatmarkproto (d_sockatmarkproto.U):
2088 This variable conditionally defines the HAS_SOCKATMARK_PROTO symbol,
2089 which indicates to the C program that the system provides
2090 a prototype for the sockatmark() function. Otherwise, it is
2091 up to the program to supply one.
2093 d_socket (d_socket.U):
2094 This variable conditionally defines HAS_SOCKET, which indicates
2095 that the BSD socket interface is supported.
2097 d_socklen_t (d_socklen_t.U):
2098 This symbol will be defined if the C compiler supports socklen_t.
2100 d_sockpair (d_socket.U):
2101 This variable conditionally defines the HAS_SOCKETPAIR symbol, which
2102 indicates that the BSD socketpair() is supported.
2104 d_socks5_init (d_socks5_init.U):
2105 This variable conditionally defines the HAS_SOCKS5_INIT symbol, which
2106 indicates to the C program that the socks5_init() routine is available.
2108 d_sprintf_returns_strlen (d_sprintf_len.U):
2109 This variable defines whether sprintf returns the length of the string
2110 (as per the ANSI spec). Some C libraries retain compatibility with
2111 pre-ANSI C and return a pointer to the passed in buffer; for these
2112 this variable will be undef.
2114 d_sqrtl (d_sqrtl.U):
2115 This variable conditionally defines the HAS_SQRTL symbol, which
2116 indicates to the C program that the sqrtl() routine is available.
2118 d_srand48_r (d_srand48_r.U):
2119 This variable conditionally defines the HAS_SRAND48_R symbol,
2120 which indicates to the C program that the srand48_r()
2121 routine is available.
2123 d_srandom_r (d_srandom_r.U):
2124 This variable conditionally defines the HAS_SRANDOM_R symbol,
2125 which indicates to the C program that the srandom_r()
2126 routine is available.
2128 d_sresgproto (d_sresgproto.U):
2129 This variable conditionally defines the HAS_SETRESGID_PROTO symbol,
2130 which indicates to the C program that the system provides
2131 a prototype for the setresgid() function. Otherwise, it is
2132 up to the program to supply one.
2134 d_sresuproto (d_sresuproto.U):
2135 This variable conditionally defines the HAS_SETRESUID_PROTO symbol,
2136 which indicates to the C program that the system provides
2137 a prototype for the setresuid() function. Otherwise, it is
2138 up to the program to supply one.
2140 d_statblks (d_statblks.U):
2141 This variable conditionally defines USE_STAT_BLOCKS
2142 if this system has a stat structure declaring
2143 st_blksize and st_blocks.
2145 d_statfs_f_flags (d_statfs_f_flags.U):
2146 This variable conditionally defines the HAS_STRUCT_STATFS_F_FLAGS
2147 symbol, which indicates to struct statfs from has f_flags member.
2148 This kind of struct statfs is coming from sys/mount.h (BSD),
2149 not from sys/statfs.h (SYSV).
2151 d_statfs_s (d_statfs_s.U):
2152 This variable conditionally defines the HAS_STRUCT_STATFS symbol,
2153 which indicates that the struct statfs is supported.
2155 d_statvfs (d_statvfs.U):
2156 This variable conditionally defines the HAS_STATVFS symbol, which
2157 indicates to the C program that the statvfs() routine is available.
2159 d_stdio_cnt_lval (d_stdstdio.U):
2160 This variable conditionally defines STDIO_CNT_LVALUE if the
2161 FILE_cnt macro can be used as an lvalue.
2163 d_stdio_ptr_lval (d_stdstdio.U):
2164 This variable conditionally defines STDIO_PTR_LVALUE if the
2165 FILE_ptr macro can be used as an lvalue.
2167 d_stdio_ptr_lval_nochange_cnt (d_stdstdio.U):
2168 This symbol is defined if using the FILE_ptr macro as an lvalue
2169 to increase the pointer by n leaves File_cnt(fp) unchanged.
2171 d_stdio_ptr_lval_sets_cnt (d_stdstdio.U):
2172 This symbol is defined if using the FILE_ptr macro as an lvalue
2173 to increase the pointer by n has the side effect of decreasing the
2174 value of File_cnt(fp) by n.
2176 d_stdio_stream_array (stdio_streams.U):
2177 This variable tells whether there is an array holding
2180 d_stdiobase (d_stdstdio.U):
2181 This variable conditionally defines USE_STDIO_BASE if this system
2182 has a FILE structure declaring a usable _base field (or equivalent)
2185 d_stdstdio (d_stdstdio.U):
2186 This variable conditionally defines USE_STDIO_PTR if this system
2187 has a FILE structure declaring usable _ptr and _cnt fields (or
2188 equivalent) in stdio.h.
2190 d_strchr (d_strchr.U):
2191 This variable conditionally defines HAS_STRCHR if strchr() and
2192 strrchr() are available for string searching.
2194 d_strcoll (d_strcoll.U):
2195 This variable conditionally defines HAS_STRCOLL if strcoll() is
2196 available to compare strings using collating information.
2198 d_strctcpy (d_strctcpy.U):
2199 This variable conditionally defines the USE_STRUCT_COPY symbol, which
2200 indicates to the C program that this C compiler knows how to copy
2203 d_strerrm (d_strerror.U):
2204 This variable holds what Strerrr is defined as to translate an error
2205 code condition into an error message string. It could be 'strerror'
2206 or a more complex macro emulating strrror with sys_errlist[], or the
2207 "unknown" string when both strerror and sys_errlist are missing.
2209 d_strerror (d_strerror.U):
2210 This variable conditionally defines HAS_STRERROR if strerror() is
2211 available to translate error numbers to strings.
2213 d_strerror_r (d_strerror_r.U):
2214 This variable conditionally defines the HAS_STRERROR_R symbol,
2215 which indicates to the C program that the strerror_r()
2216 routine is available.
2218 d_strftime (d_strftime.U):
2219 This variable conditionally defines the HAS_STRFTIME symbol, which
2220 indicates to the C program that the strftime() routine is available.
2222 d_strlcat (d_strlcat.U):
2223 This variable conditionally defines the HAS_STRLCAT symbol, which
2224 indicates to the C program that the strlcat () routine is available.
2226 d_strlcpy (d_strlcpy.U):
2227 This variable conditionally defines the HAS_STRLCPY symbol, which
2228 indicates to the C program that the strlcpy () routine is available.
2230 d_strtod (d_strtod.U):
2231 This variable conditionally defines the HAS_STRTOD symbol, which
2232 indicates to the C program that the strtod() routine is available
2233 to provide better numeric string conversion than atof().
2235 d_strtol (d_strtol.U):
2236 This variable conditionally defines the HAS_STRTOL symbol, which
2237 indicates to the C program that the strtol() routine is available
2238 to provide better numeric string conversion than atoi() and friends.
2240 d_strtold (d_strtold.U):
2241 This variable conditionally defines the HAS_STRTOLD symbol, which
2242 indicates to the C program that the strtold() routine is available.
2244 d_strtoll (d_strtoll.U):
2245 This variable conditionally defines the HAS_STRTOLL symbol, which
2246 indicates to the C program that the strtoll() routine is available.
2248 d_strtoq (d_strtoq.U):
2249 This variable conditionally defines the HAS_STRTOQ symbol, which
2250 indicates to the C program that the strtoq() routine is available.
2252 d_strtoul (d_strtoul.U):
2253 This variable conditionally defines the HAS_STRTOUL symbol, which
2254 indicates to the C program that the strtoul() routine is available
2255 to provide conversion of strings to unsigned long.
2257 d_strtoull (d_strtoull.U):
2258 This variable conditionally defines the HAS_STRTOULL symbol, which
2259 indicates to the C program that the strtoull() routine is available.
2261 d_strtouq (d_strtouq.U):
2262 This variable conditionally defines the HAS_STRTOUQ symbol, which
2263 indicates to the C program that the strtouq() routine is available.
2265 d_strxfrm (d_strxfrm.U):
2266 This variable conditionally defines HAS_STRXFRM if strxfrm() is
2267 available to transform strings.
2269 d_suidsafe (d_dosuid.U):
2270 This variable conditionally defines SETUID_SCRIPTS_ARE_SECURE_NOW
2271 if setuid scripts can be secure. This test looks in /dev/fd/.
2273 d_symlink (d_symlink.U):
2274 This variable conditionally defines the HAS_SYMLINK symbol, which
2275 indicates to the C program that the symlink() routine is available
2276 to create symbolic links.
2278 d_syscall (d_syscall.U):
2279 This variable conditionally defines HAS_SYSCALL if syscall() is
2280 available call arbitrary system calls.
2282 d_syscallproto (d_syscallproto.U):
2283 This variable conditionally defines the HAS_SYSCALL_PROTO symbol,
2284 which indicates to the C program that the system provides
2285 a prototype for the syscall() function. Otherwise, it is
2286 up to the program to supply one.
2288 d_sysconf (d_sysconf.U):
2289 This variable conditionally defines the HAS_SYSCONF symbol, which
2290 indicates to the C program that the sysconf() routine is available
2291 to determine system related limits and options.
2293 d_sysernlst (d_strerror.U):
2294 This variable conditionally defines HAS_SYS_ERRNOLIST if sys_errnolist[]
2295 is available to translate error numbers to the symbolic name.
2297 d_syserrlst (d_strerror.U):
2298 This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is
2299 available to translate error numbers to strings.
2301 d_system (d_system.U):
2302 This variable conditionally defines HAS_SYSTEM if system() is
2303 available to issue a shell command.
2305 d_tcgetpgrp (d_tcgtpgrp.U):
2306 This variable conditionally defines the HAS_TCGETPGRP symbol, which
2307 indicates to the C program that the tcgetpgrp() routine is available.
2308 to get foreground process group ID.
2310 d_tcsetpgrp (d_tcstpgrp.U):
2311 This variable conditionally defines the HAS_TCSETPGRP symbol, which
2312 indicates to the C program that the tcsetpgrp() routine is available
2313 to set foreground process group ID.
2315 d_telldir (d_readdir.U):
2316 This variable conditionally defines HAS_TELLDIR if telldir() is
2319 d_telldirproto (d_telldirproto.U):
2320 This variable conditionally defines the HAS_TELLDIR_PROTO symbol,
2321 which indicates to the C program that the system provides
2322 a prototype for the telldir() function. Otherwise, it is
2323 up to the program to supply one.
2326 This variable conditionally defines the HAS_TIME symbol, which indicates
2327 that the time() routine exists. The time() routine is normaly
2328 provided on UNIX systems.
2330 d_timegm (d_timegm.U):
2331 This variable conditionally defines the HAS_TIMEGM symbol, which
2332 indicates to the C program that the timegm () routine is available.
2334 d_times (d_times.U):
2335 This variable conditionally defines the HAS_TIMES symbol, which indicates
2336 that the times() routine exists. The times() routine is normaly
2337 provided on UNIX systems. You may have to include <sys/times.h>.
2339 d_tm_tm_gmtoff (i_time.U):
2340 This variable conditionally defines HAS_TM_TM_GMTOFF, which indicates
2341 indicates to the C program that the struct tm has the tm_gmtoff field.
2343 d_tm_tm_zone (i_time.U):
2344 This variable conditionally defines HAS_TM_TM_ZONE, which indicates
2345 indicates to the C program that the struct tm has the tm_zone field.
2347 d_tmpnam_r (d_tmpnam_r.U):
2348 This variable conditionally defines the HAS_TMPNAM_R symbol,
2349 which indicates to the C program that the tmpnam_r()
2350 routine is available.
2352 d_truncate (d_truncate.U):
2353 This variable conditionally defines HAS_TRUNCATE if truncate() is
2354 available to truncate files.
2356 d_ttyname_r (d_ttyname_r.U):
2357 This variable conditionally defines the HAS_TTYNAME_R symbol,
2358 which indicates to the C program that the ttyname_r()
2359 routine is available.
2361 d_tzname (d_tzname.U):
2362 This variable conditionally defines HAS_TZNAME if tzname[] is
2363 available to access timezone names.
2365 d_u32align (d_u32align.U):
2366 This variable tells whether you must access character data
2367 through U32-aligned pointers.
2369 d_ualarm (d_ualarm.U):
2370 This variable conditionally defines the HAS_UALARM symbol, which
2371 indicates to the C program that the ualarm() routine is available.
2373 d_umask (d_umask.U):
2374 This variable conditionally defines the HAS_UMASK symbol, which
2375 indicates to the C program that the umask() routine is available.
2376 to set and get the value of the file creation mask.
2378 d_uname (d_gethname.U):
2379 This variable conditionally defines the HAS_UNAME symbol, which
2380 indicates to the C program that the uname() routine may be
2381 used to derive the host name.
2383 d_union_semun (d_union_semun.U):
2384 This variable conditionally defines HAS_UNION_SEMUN if the
2385 union semun is defined by including <sys/sem.h>.
2387 d_unordered (d_unordered.U):
2388 This variable conditionally defines the HAS_UNORDERED symbol, which
2389 indicates to the C program that the unordered() routine is available.
2391 d_unsetenv (d_unsetenv.U):
2392 This variable conditionally defines the HAS_UNSETENV symbol, which
2393 indicates to the C program that the unsetenv () routine is available.
2395 d_usleep (d_usleep.U):
2396 This variable conditionally defines HAS_USLEEP if usleep() is
2397 available to do high granularity sleeps.
2399 d_usleepproto (d_usleepproto.U):
2400 This variable conditionally defines the HAS_USLEEP_PROTO symbol,
2401 which indicates to the C program that the system provides
2402 a prototype for the usleep() function. Otherwise, it is
2403 up to the program to supply one.
2405 d_ustat (d_ustat.U):
2406 This variable conditionally defines HAS_USTAT if ustat() is
2407 available to query file system statistics by dev_t.
2409 d_vendorarch (vendorarch.U):
2410 This variable conditionally defined PERL_VENDORARCH.
2412 d_vendorbin (vendorbin.U):
2413 This variable conditionally defines PERL_VENDORBIN.
2415 d_vendorlib (vendorlib.U):
2416 This variable conditionally defines PERL_VENDORLIB.
2418 d_vendorscript (vendorscript.U):
2419 This variable conditionally defines PERL_VENDORSCRIPT.
2421 d_vfork (d_vfork.U):
2422 This variable conditionally defines the HAS_VFORK symbol, which
2423 indicates the vfork() routine is available.
2425 d_void_closedir (d_closedir.U):
2426 This variable conditionally defines VOID_CLOSEDIR if closedir()
2427 does not return a value.
2429 d_voidsig (d_voidsig.U):
2430 This variable conditionally defines VOIDSIG if this system
2431 declares "void (*signal(...))()" in signal.h. The old way was to
2432 declare it as "int (*signal(...))()".
2434 d_voidtty (i_sysioctl.U):
2435 This variable conditionally defines USE_IOCNOTTY to indicate that the
2436 ioctl() call with TIOCNOTTY should be used to void tty association.
2437 Otherwise (on USG probably), it is enough to close the standard file
2438 decriptors and do a setpgrp().
2440 d_volatile (d_volatile.U):
2441 This variable conditionally defines the HASVOLATILE symbol, which
2442 indicates to the C program that this C compiler knows about the
2443 volatile declaration.
2445 d_vprintf (d_vprintf.U):
2446 This variable conditionally defines the HAS_VPRINTF symbol, which
2447 indicates to the C program that the vprintf() routine is available
2448 to printf with a pointer to an argument list.
2450 d_vsnprintf (d_snprintf.U):
2451 This variable conditionally defines the HAS_VSNPRINTF symbol, which
2452 indicates to the C program that the vsnprintf () library function
2455 d_wait4 (d_wait4.U):
2456 This variable conditionally defines the HAS_WAIT4 symbol, which
2457 indicates the wait4() routine is available.
2459 d_waitpid (d_waitpid.U):
2460 This variable conditionally defines HAS_WAITPID if waitpid() is
2461 available to wait for child process.
2463 d_wcstombs (d_wcstombs.U):
2464 This variable conditionally defines the HAS_WCSTOMBS symbol, which
2465 indicates to the C program that the wcstombs() routine is available
2466 to convert wide character strings to multibyte strings.
2468 d_wctomb (d_wctomb.U):
2469 This variable conditionally defines the HAS_WCTOMB symbol, which
2470 indicates to the C program that the wctomb() routine is available
2471 to convert a wide character to a multibyte.
2473 d_writev (d_writev.U):
2474 This variable conditionally defines the HAS_WRITEV symbol, which
2475 indicates to the C program that the writev() routine is available.
2478 This variable conditionally defines the symbol XENIX, which alerts
2479 the C program that it runs under Xenix.
2482 This variable is used internally by Configure to determine the
2483 full pathname (if any) of the date program. After Configure runs,
2484 the value is reset to a plain "date" and is not useful.
2486 db_hashtype (i_db.U):
2487 This variable contains the type of the hash structure element
2488 in the <db.h> header file. In older versions of DB, it was
2489 int, while in newer ones it is u_int32_t.
2491 db_prefixtype (i_db.U):
2492 This variable contains the type of the prefix structure element
2493 in the <db.h> header file. In older versions of DB, it was
2494 int, while in newer ones it is size_t.
2496 db_version_major (i_db.U):
2497 This variable contains the major version number of
2498 Berkeley DB found in the <db.h> header file.
2500 db_version_minor (i_db.U):
2501 This variable contains the minor version number of
2502 Berkeley DB found in the <db.h> header file.
2503 For DB version 1 this is always 0.
2505 db_version_patch (i_db.U):
2506 This variable contains the patch version number of
2507 Berkeley DB found in the <db.h> header file.
2508 For DB version 1 this is always 0.
2510 defvoidused (voidflags.U):
2511 This variable contains the default value of the VOIDUSED symbol (15).
2513 direntrytype (i_dirent.U):
2514 This symbol is set to 'struct direct' or 'struct dirent' depending on
2515 whether dirent is available or not. You should use this pseudo type to
2516 portably declare your directory entries.
2519 This variable contains the extension that is to be used for the
2520 dynamically loaded modules that perl generaties.
2523 This variable contains the name of the dynamic loading file that
2524 will be used with the package.
2526 doublesize (doublesize.U):
2527 This variable contains the value of the DOUBLESIZE symbol, which
2528 indicates to the C program how many bytes there are in a double.
2530 drand01 (randfunc.U):
2531 Indicates the macro to be used to generate normalized
2532 random numbers. Uses randfunc, often divided by
2533 (double) (((unsigned long) 1 << randbits)) in order to
2534 normalize the result.
2535 In C programs, the macro 'Drand01' is mapped to drand01.
2537 drand48_r_proto (d_drand48_r.U):
2538 This variable encodes the prototype of drand48_r.
2539 It is zero if d_drand48_r is undef, and one of the
2540 REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
2543 dtrace (usedtrace.U):
2544 This variable holds the location of the dtrace executable.
2546 dynamic_ext (Extensions.U):
2547 This variable holds a list of XS extension files we want to
2548 link dynamically into the package. It is used by Makefile.
2550 eagain (nblock_io.U):
2551 This variable bears the symbolic errno code set by read() when no
2552 data is present on the file and non-blocking I/O was enabled (otherwise,
2553 read() blocks naturally).
2556 This variable conditionally defines EBCDIC if this
2557 system uses EBCDIC encoding. Among other things, this
2558 means that the character ranges are not contiguous.
2562 This variable is used internally by Configure to determine the
2563 full pathname (if any) of the echo program. After Configure runs,
2564 the value is reset to a plain "echo" and is not useful.
2567 This variable is used internally by Configure to determine the
2568 full pathname (if any) of the egrep program. After Configure runs,
2569 the value is reset to a plain "egrep" and is not useful.
2572 This variable is defined but not used by Configure.
2573 The value is the empty string and is not useful.
2575 endgrent_r_proto (d_endgrent_r.U):
2576 This variable encodes the prototype of endgrent_r.
2577 It is zero if d_endgrent_r is undef, and one of the
2578 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endgrent_r
2581 endhostent_r_proto (d_endhostent_r.U):
2582 This variable encodes the prototype of endhostent_r.
2583 It is zero if d_endhostent_r is undef, and one of the
2584 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endhostent_r
2587 endnetent_r_proto (d_endnetent_r.U):
2588 This variable encodes the prototype of endnetent_r.
2589 It is zero if d_endnetent_r is undef, and one of the
2590 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endnetent_r
2593 endprotoent_r_proto (d_endprotoent_r.U):
2594 This variable encodes the prototype of endprotoent_r.
2595 It is zero if d_endprotoent_r is undef, and one of the
2596 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endprotoent_r
2599 endpwent_r_proto (d_endpwent_r.U):
2600 This variable encodes the prototype of endpwent_r.
2601 It is zero if d_endpwent_r is undef, and one of the
2602 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endpwent_r
2605 endservent_r_proto (d_endservent_r.U):
2606 This variable encodes the prototype of endservent_r.
2607 It is zero if d_endservent_r is undef, and one of the
2608 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endservent_r
2612 When running under Eunice this variable contains a command which will
2613 convert a shell script to the proper form of text file for it to be
2614 executable by the shell. On other systems it is a no-op.
2617 This is an old synonym for _exe.
2620 This variable is used internally by Configure to determine the
2621 full pathname (if any) of the expr program. After Configure runs,
2622 the value is reset to a plain "expr" and is not useful.
2624 extensions (Extensions.U):
2625 This variable holds a list of all extension files (both XS and
2626 non-xs linked into the package. It is propagated to Config.pm
2627 and is typically used to test whether a particular extesion
2631 ANSI C requires 'extern' where C++ requires 'extern "C"'. This
2632 variable can be used in Configure to do the right thing.
2635 This variable holds a list of extra modules to install.
2637 fflushall (fflushall.U):
2638 This symbol, if defined, tells that to flush
2639 all pending stdio output one must loop through all
2640 the stdio file handles stored in an array and fflush them.
2641 Note that if fflushNULL is defined, fflushall will not
2642 even be probed for and will be left undefined.
2644 fflushNULL (fflushall.U):
2645 This symbol, if defined, tells that fflush(NULL) does flush
2646 all pending stdio output.
2649 This variable is defined but not used by Configure.
2650 The value is the empty string and is not useful.
2652 firstmakefile (Unix.U):
2653 This variable defines the first file searched by make. On unix,
2654 it is makefile (then Makefile). On case-insensitive systems,
2655 it might be something else. This is only used to deal with
2656 convoluted make depend tricks.
2659 This variable is defined but not used by Configure.
2660 The value is the empty string and is not useful.
2662 fpossize (fpossize.U):
2663 This variable contains the size of a fpostype in bytes.
2665 fpostype (fpostype.U):
2666 This variable defines Fpos_t to be something like fpos_t, long,
2667 uint, or whatever type is used to declare file positions in libc.
2669 freetype (mallocsrc.U):
2670 This variable contains the return type of free(). It is usually
2671 void, but occasionally int.
2674 This variable contains the command used by Configure
2675 to copy files from the target host. Useful and available
2676 only during Perl build.
2677 The string ':' if not cross-compiling.
2680 This variable contains the full pathname to 'ar', whether or
2681 not the user has specified 'portability'. This is only used
2685 This variable contains the full pathname to 'csh', whether or
2686 not the user has specified 'portability'. This is only used
2687 in the compiled C program, and we assume that all systems which
2688 can share this executable will have the same full pathname to
2691 full_sed (Loc_sed.U):
2692 This variable contains the full pathname to 'sed', whether or
2693 not the user has specified 'portability'. This is only used
2694 in the compiled C program, and we assume that all systems which
2695 can share this executable will have the same full pathname to
2698 gccansipedantic (gccvers.U):
2699 If GNU cc (gcc) is used, this variable will enable (if set) the
2700 -ansi and -pedantic ccflags for building core files (through
2701 cflags script). (See Porting/pumpkin.pod for full description).
2703 gccosandvers (gccvers.U):
2704 If GNU cc (gcc) is used, this variable holds the operating system
2705 and version used to compile gcc. It is set to '' if not gcc,
2706 or if nothing useful can be parsed as the os version.
2708 gccversion (gccvers.U):
2709 If GNU cc (gcc) is used, this variable holds '1' or '2' to
2710 indicate whether the compiler is version 1 or 2. This is used in
2711 setting some of the default cflags. It is set to '' if not gcc.
2713 getgrent_r_proto (d_getgrent_r.U):
2714 This variable encodes the prototype of getgrent_r.
2715 It is zero if d_getgrent_r is undef, and one of the
2716 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrent_r
2719 getgrgid_r_proto (d_getgrgid_r.U):
2720 This variable encodes the prototype of getgrgid_r.
2721 It is zero if d_getgrgid_r is undef, and one of the
2722 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrgid_r
2725 getgrnam_r_proto (d_getgrnam_r.U):
2726 This variable encodes the prototype of getgrnam_r.
2727 It is zero if d_getgrnam_r is undef, and one of the
2728 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrnam_r
2731 gethostbyaddr_r_proto (d_gethostbyaddr_r.U):
2732 This variable encodes the prototype of gethostbyaddr_r.
2733 It is zero if d_gethostbyaddr_r is undef, and one of the
2734 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyaddr_r
2737 gethostbyname_r_proto (d_gethostbyname_r.U):
2738 This variable encodes the prototype of gethostbyname_r.
2739 It is zero if d_gethostbyname_r is undef, and one of the
2740 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyname_r
2743 gethostent_r_proto (d_gethostent_r.U):
2744 This variable encodes the prototype of gethostent_r.
2745 It is zero if d_gethostent_r is undef, and one of the
2746 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostent_r
2749 getlogin_r_proto (d_getlogin_r.U):
2750 This variable encodes the prototype of getlogin_r.
2751 It is zero if d_getlogin_r is undef, and one of the
2752 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getlogin_r
2755 getnetbyaddr_r_proto (d_getnetbyaddr_r.U):
2756 This variable encodes the prototype of getnetbyaddr_r.
2757 It is zero if d_getnetbyaddr_r is undef, and one of the
2758 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyaddr_r
2761 getnetbyname_r_proto (d_getnetbyname_r.U):
2762 This variable encodes the prototype of getnetbyname_r.
2763 It is zero if d_getnetbyname_r is undef, and one of the
2764 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyname_r
2767 getnetent_r_proto (d_getnetent_r.U):
2768 This variable encodes the prototype of getnetent_r.
2769 It is zero if d_getnetent_r is undef, and one of the
2770 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetent_r
2773 getprotobyname_r_proto (d_getprotobyname_r.U):
2774 This variable encodes the prototype of getprotobyname_r.
2775 It is zero if d_getprotobyname_r is undef, and one of the
2776 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobyname_r
2779 getprotobynumber_r_proto (d_getprotobynumber_r.U):
2780 This variable encodes the prototype of getprotobynumber_r.
2781 It is zero if d_getprotobynumber_r is undef, and one of the
2782 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobynumber_r
2785 getprotoent_r_proto (d_getprotoent_r.U):
2786 This variable encodes the prototype of getprotoent_r.
2787 It is zero if d_getprotoent_r is undef, and one of the
2788 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotoent_r
2791 getpwent_r_proto (d_getpwent_r.U):
2792 This variable encodes the prototype of getpwent_r.
2793 It is zero if d_getpwent_r is undef, and one of the
2794 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwent_r
2797 getpwnam_r_proto (d_getpwnam_r.U):
2798 This variable encodes the prototype of getpwnam_r.
2799 It is zero if d_getpwnam_r is undef, and one of the
2800 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwnam_r
2803 getpwuid_r_proto (d_getpwuid_r.U):
2804 This variable encodes the prototype of getpwuid_r.
2805 It is zero if d_getpwuid_r is undef, and one of the
2806 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwuid_r
2809 getservbyname_r_proto (d_getservbyname_r.U):
2810 This variable encodes the prototype of getservbyname_r.
2811 It is zero if d_getservbyname_r is undef, and one of the
2812 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyname_r
2815 getservbyport_r_proto (d_getservbyport_r.U):
2816 This variable encodes the prototype of getservbyport_r.
2817 It is zero if d_getservbyport_r is undef, and one of the
2818 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyport_r
2821 getservent_r_proto (d_getservent_r.U):
2822 This variable encodes the prototype of getservent_r.
2823 It is zero if d_getservent_r is undef, and one of the
2824 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservent_r
2827 getspnam_r_proto (d_getspnam_r.U):
2828 This variable encodes the prototype of getspnam_r.
2829 It is zero if d_getspnam_r is undef, and one of the
2830 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getspnam_r
2834 This variable contains the format string used for printing a Gid_t.
2836 gidsign (gidsign.U):
2837 This variable contains the signedness of a gidtype.
2838 1 for unsigned, -1 for signed.
2840 gidsize (gidsize.U):
2841 This variable contains the size of a gidtype in bytes.
2843 gidtype (gidtype.U):
2844 This variable defines Gid_t to be something like gid_t, int,
2845 ushort, or whatever type is used to declare the return type
2846 of getgid(). Typically, it is the type of group ids in the kernel.
2849 This variable holds the general path (space-separated) used to
2850 find libraries. It may contain directories that do not exist on
2851 this platform, libpth is the cleaned-up version.
2854 This variable is used internally by Configure to determine the
2855 full pathname (if any) of the gmake program. After Configure runs,
2856 the value is reset to a plain "gmake" and is not useful.
2858 gmtime_r_proto (d_gmtime_r.U):
2859 This variable encodes the prototype of gmtime_r.
2860 It is zero if d_gmtime_r is undef, and one of the
2861 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gmtime_r
2864 gnulibc_version (d_gnulibc.U):
2865 This variable contains the version number of the GNU C library.
2866 It is usually something like '2.2.5'. It is a plain '' if this
2867 is not the GNU C library, or if the version is unknown.
2870 This variable is used internally by Configure to determine the
2871 full pathname (if any) of the grep program. After Configure runs,
2872 the value is reset to a plain "grep" and is not useful.
2875 This variable contains a command that produces the text of the
2876 /etc/group file. This is normally "cat /etc/group", but can be
2877 "ypcat group" when NIS is used.
2878 On some systems, such as os390, there may be no equivalent
2879 command, in which case this variable is unset.
2881 groupstype (groupstype.U):
2882 This variable defines Groups_t to be something like gid_t, int,
2883 ushort, or whatever type is used for the second argument to
2884 getgroups() and setgroups(). Usually, this is the same as
2885 gidtype (gid_t), but sometimes it isn't.
2888 This variable is used internally by Configure to determine the
2889 full pathname (if any) of the gzip program. After Configure runs,
2890 the value is reset to a plain "gzip" and is not useful.
2892 h_fcntl (h_fcntl.U):
2893 This is variable gets set in various places to tell i_fcntl that
2894 <fcntl.h> should be included.
2896 h_sysfile (h_sysfile.U):
2897 This is variable gets set in various places to tell i_sys_file that
2898 <sys/file.h> should be included.
2901 Gives the type of hints used for previous answers. May be one of
2902 "default", "recommended" or "previous".
2905 This variable contains a command that produces the text of the
2906 /etc/hosts file. This is normally "cat /etc/hosts", but can be
2907 "ypcat hosts" when NIS is used.
2908 On some systems, such as os390, there may be no equivalent
2909 command, in which case this variable is unset.
2911 html1dir (html1dir.U):
2912 This variable contains the name of the directory in which html
2913 source pages are to be put. This directory is for pages
2914 that describe whole programs, not libraries or modules. It
2915 is intended to correspond roughly to section 1 of the Unix
2918 html1direxp (html1dir.U):
2919 This variable is the same as the html1dir variable, but is filename
2920 expanded at configuration time, for convenient use in makefiles.
2922 html3dir (html3dir.U):
2923 This variable contains the name of the directory in which html
2924 source pages are to be put. This directory is for pages
2925 that describe libraries or modules. It is intended to
2926 correspond roughly to section 3 of the Unix manuals.
2928 html3direxp (html3dir.U):
2929 This variable is the same as the html3dir variable, but is filename
2930 expanded at configuration time, for convenient use in makefiles.
2933 This variable is the size of an I16 in bytes.
2936 This variable contains the C type used for Perl's I16.
2939 This variable is the size of an I32 in bytes.
2942 This variable contains the C type used for Perl's I32.
2945 This variable is the size of an I64 in bytes.
2948 This variable contains the C type used for Perl's I64.
2951 This variable is the size of an I8 in bytes.
2954 This variable contains the C type used for Perl's I8.
2956 i_arpainet (i_arpainet.U):
2957 This variable conditionally defines the I_ARPA_INET symbol,
2958 and indicates whether a C program should include <arpa/inet.h>.
2960 i_assert (i_assert.U):
2961 This variable conditionally defines the I_ASSERT symbol, which
2962 indicates to the C program that <assert.h> exists and could be
2965 i_bsdioctl (i_sysioctl.U):
2966 This variable conditionally defines the I_SYS_BSDIOCTL symbol, which
2967 indicates to the C program that <sys/bsdioctl.h> exists and should
2970 i_crypt (i_crypt.U):
2971 This variable conditionally defines the I_CRYPT symbol, and indicates
2972 whether a C program should include <crypt.h>.
2975 This variable conditionally defines the I_DB symbol, and indicates
2976 whether a C program may include Berkeley's DB include file <db.h>.
2979 This variable conditionally defines the I_DBM symbol, which
2980 indicates to the C program that <dbm.h> exists and should
2983 i_dirent (i_dirent.U):
2984 This variable conditionally defines I_DIRENT, which indicates
2985 to the C program that it should include <dirent.h>.
2988 This variable conditionally defines the I_DLD symbol, which
2989 indicates to the C program that <dld.h> (GNU dynamic loading)
2990 exists and should be included.
2992 i_dlfcn (i_dlfcn.U):
2993 This variable conditionally defines the I_DLFCN symbol, which
2994 indicates to the C program that <dlfcn.h> exists and should
2997 i_fcntl (i_fcntl.U):
2998 This variable controls the value of I_FCNTL (which tells
2999 the C program to include <fcntl.h>).
3001 i_float (i_float.U):
3002 This variable conditionally defines the I_FLOAT symbol, and indicates
3003 whether a C program may include <float.h> to get symbols like DBL_MAX
3004 or DBL_MIN, i.e. machine dependent floating point values.
3007 This variable conditionally defines the I_FP symbol, and indicates
3008 whether a C program should include <fp.h>.
3010 i_fp_class (i_fp_class.U):
3011 This variable conditionally defines the I_FP_CLASS symbol, and indicates
3012 whether a C program should include <fp_class.h>.
3015 This variable conditionally defines the I_GDBM symbol, which
3016 indicates to the C program that <gdbm.h> exists and should
3019 i_gdbm_ndbm (i_ndbm.U):
3020 This variable conditionally defines the I_GDBM_NDBM symbol, which
3021 indicates to the C program that <gdbm-ndbm.h> exists and should
3022 be included. This is the location of the ndbm.h compatibility file
3025 i_gdbmndbm (i_ndbm.U):
3026 This variable conditionally defines the I_GDBMNDBM symbol, which
3027 indicates to the C program that <gdbm/ndbm.h> exists and should
3028 be included. This was the location of the ndbm.h compatibility file
3032 This variable conditionally defines the I_GRP symbol, and indicates
3033 whether a C program should include <grp.h>.
3035 i_ieeefp (i_ieeefp.U):
3036 This variable conditionally defines the I_IEEEFP symbol, and indicates
3037 whether a C program should include <ieeefp.h>.
3039 i_inttypes (i_inttypes.U):
3040 This variable conditionally defines the I_INTTYPES symbol,
3041 and indicates whether a C program should include <inttypes.h>.
3043 i_langinfo (i_langinfo.U):
3044 This variable conditionally defines the I_LANGINFO symbol,
3045 and indicates whether a C program should include <langinfo.h>.
3047 i_libutil (i_libutil.U):
3048 This variable conditionally defines the I_LIBUTIL symbol, and indicates
3049 whether a C program should include <libutil.h>.
3051 i_limits (i_limits.U):
3052 This variable conditionally defines the I_LIMITS symbol, and indicates
3053 whether a C program may include <limits.h> to get symbols like WORD_BIT
3056 i_locale (i_locale.U):
3057 This variable conditionally defines the I_LOCALE symbol,
3058 and indicates whether a C program should include <locale.h>.
3060 i_machcthr (i_machcthr.U):
3061 This variable conditionally defines the I_MACH_CTHREADS symbol,
3062 and indicates whether a C program should include <mach/cthreads.h>.
3064 i_malloc (i_malloc.U):
3065 This variable conditionally defines the I_MALLOC symbol, and indicates
3066 whether a C program should include <malloc.h>.
3068 i_mallocmalloc (i_mallocmalloc.U):
3069 This variable conditionally defines the I_MALLOCMALLOC symbol,
3070 and indicates whether a C program should include <malloc/malloc.h>.
3073 This variable conditionally defines the I_MATH symbol, and indicates
3074 whether a C program may include <math.h>.
3076 i_memory (i_memory.U):
3077 This variable conditionally defines the I_MEMORY symbol, and indicates
3078 whether a C program should include <memory.h>.
3080 i_mntent (i_mntent.U):
3081 This variable conditionally defines the I_MNTENT symbol, and indicates
3082 whether a C program should include <mntent.h>.
3085 This variable conditionally defines the I_NDBM symbol, which
3086 indicates to the C program that <ndbm.h> exists and should
3089 i_netdb (i_netdb.U):
3090 This variable conditionally defines the I_NETDB symbol, and indicates
3091 whether a C program should include <netdb.h>.
3093 i_neterrno (i_neterrno.U):
3094 This variable conditionally defines the I_NET_ERRNO symbol, which
3095 indicates to the C program that <net/errno.h> exists and should
3098 i_netinettcp (i_netinettcp.U):
3099 This variable conditionally defines the I_NETINET_TCP symbol,
3100 and indicates whether a C program should include <netinet/tcp.h>.
3103 This variable conditionally defines I_NETINET_IN, which indicates
3104 to the C program that it should include <netinet/in.h>. Otherwise,
3105 you may try <sys/in.h>.
3108 This variable conditionally defines the I_POLL symbol, and indicates
3109 whether a C program should include <poll.h>.
3112 This variable conditionally defines the I_PROT symbol, and indicates
3113 whether a C program should include <prot.h>.
3115 i_pthread (i_pthread.U):
3116 This variable conditionally defines the I_PTHREAD symbol,
3117 and indicates whether a C program should include <pthread.h>.
3120 This variable conditionally defines I_PWD, which indicates
3121 to the C program that it should include <pwd.h>.
3123 i_rpcsvcdbm (i_dbm.U):
3124 This variable conditionally defines the I_RPCSVC_DBM symbol, which
3125 indicates to the C program that <rpcsvc/dbm.h> exists and should
3126 be included. Some System V systems might need this instead of <dbm.h>.
3129 This variable conditionally defines the I_SFIO symbol,
3130 and indicates whether a C program should include <sfio.h>.
3132 i_sgtty (i_termio.U):
3133 This variable conditionally defines the I_SGTTY symbol, which
3134 indicates to the C program that it should include <sgtty.h> rather
3137 i_shadow (i_shadow.U):
3138 This variable conditionally defines the I_SHADOW symbol, and indicates
3139 whether a C program should include <shadow.h>.
3141 i_socks (i_socks.U):
3142 This variable conditionally defines the I_SOCKS symbol, and indicates
3143 whether a C program should include <socks.h>.
3145 i_stdarg (i_varhdr.U):
3146 This variable conditionally defines the I_STDARG symbol, which
3147 indicates to the C program that <stdarg.h> exists and should
3150 i_stddef (i_stddef.U):
3151 This variable conditionally defines the I_STDDEF symbol, which
3152 indicates to the C program that <stddef.h> exists and should
3155 i_stdlib (i_stdlib.U):
3156 This variable conditionally defines the I_STDLIB symbol, which
3157 indicates to the C program that <stdlib.h> exists and should
3160 i_string (i_string.U):
3161 This variable conditionally defines the I_STRING symbol, which
3162 indicates that <string.h> should be included rather than <strings.h>.
3164 i_sunmath (i_sunmath.U):
3165 This variable conditionally defines the I_SUNMATH symbol, and indicates
3166 whether a C program should include <sunmath.h>.
3168 i_sysaccess (i_sysaccess.U):
3169 This variable conditionally defines the I_SYS_ACCESS symbol,
3170 and indicates whether a C program should include <sys/access.h>.
3172 i_sysdir (i_sysdir.U):
3173 This variable conditionally defines the I_SYS_DIR symbol, and indicates
3174 whether a C program should include <sys/dir.h>.
3176 i_sysfile (i_sysfile.U):
3177 This variable conditionally defines the I_SYS_FILE symbol, and indicates
3178 whether a C program should include <sys/file.h> to get R_OK and friends.
3180 i_sysfilio (i_sysioctl.U):
3181 This variable conditionally defines the I_SYS_FILIO symbol, which
3182 indicates to the C program that <sys/filio.h> exists and should
3183 be included in preference to <sys/ioctl.h>.
3186 This variable conditionally defines I_SYS_IN, which indicates
3187 to the C program that it should include <sys/in.h> instead of
3190 i_sysioctl (i_sysioctl.U):
3191 This variable conditionally defines the I_SYS_IOCTL symbol, which
3192 indicates to the C program that <sys/ioctl.h> exists and should
3195 i_syslog (i_syslog.U):
3196 This variable conditionally defines the I_SYSLOG symbol,
3197 and indicates whether a C program should include <syslog.h>.
3199 i_sysmman (i_sysmman.U):
3200 This variable conditionally defines the I_SYS_MMAN symbol, and
3201 indicates whether a C program should include <sys/mman.h>.
3203 i_sysmode (i_sysmode.U):
3204 This variable conditionally defines the I_SYSMODE symbol,
3205 and indicates whether a C program should include <sys/mode.h>.
3207 i_sysmount (i_sysmount.U):
3208 This variable conditionally defines the I_SYSMOUNT symbol,
3209 and indicates whether a C program should include <sys/mount.h>.
3211 i_sysndir (i_sysndir.U):
3212 This variable conditionally defines the I_SYS_NDIR symbol, and indicates
3213 whether a C program should include <sys/ndir.h>.
3215 i_sysparam (i_sysparam.U):
3216 This variable conditionally defines the I_SYS_PARAM symbol, and indicates
3217 whether a C program should include <sys/param.h>.
3219 i_syspoll (i_syspoll.U):
3220 This variable conditionally defines the I_SYS_POLL symbol, which
3221 indicates to the C program that it should include <sys/poll.h>.
3223 i_sysresrc (i_sysresrc.U):
3224 This variable conditionally defines the I_SYS_RESOURCE symbol,
3225 and indicates whether a C program should include <sys/resource.h>.
3227 i_syssecrt (i_syssecrt.U):
3228 This variable conditionally defines the I_SYS_SECURITY symbol,
3229 and indicates whether a C program should include <sys/security.h>.
3231 i_sysselct (i_sysselct.U):
3232 This variable conditionally defines I_SYS_SELECT, which indicates
3233 to the C program that it should include <sys/select.h> in order to
3234 get the definition of struct timeval.
3236 i_syssockio (i_sysioctl.U):
3237 This variable conditionally defines I_SYS_SOCKIO to indicate to the
3238 C program that socket ioctl codes may be found in <sys/sockio.h>
3239 instead of <sys/ioctl.h>.
3241 i_sysstat (i_sysstat.U):
3242 This variable conditionally defines the I_SYS_STAT symbol,
3243 and indicates whether a C program should include <sys/stat.h>.
3245 i_sysstatfs (i_sysstatfs.U):
3246 This variable conditionally defines the I_SYSSTATFS symbol,
3247 and indicates whether a C program should include <sys/statfs.h>.
3249 i_sysstatvfs (i_sysstatvfs.U):
3250 This variable conditionally defines the I_SYSSTATVFS symbol,
3251 and indicates whether a C program should include <sys/statvfs.h>.
3253 i_systime (i_time.U):
3254 This variable conditionally defines I_SYS_TIME, which indicates
3255 to the C program that it should include <sys/time.h>.
3257 i_systimek (i_time.U):
3258 This variable conditionally defines I_SYS_TIME_KERNEL, which
3259 indicates to the C program that it should include <sys/time.h>
3260 with KERNEL defined.
3262 i_systimes (i_systimes.U):
3263 This variable conditionally defines the I_SYS_TIMES symbol, and indicates
3264 whether a C program should include <sys/times.h>.
3266 i_systypes (i_systypes.U):
3267 This variable conditionally defines the I_SYS_TYPES symbol,
3268 and indicates whether a C program should include <sys/types.h>.
3270 i_sysuio (i_sysuio.U):
3271 This variable conditionally defines the I_SYSUIO symbol, and indicates
3272 whether a C program should include <sys/uio.h>.
3274 i_sysun (i_sysun.U):
3275 This variable conditionally defines I_SYS_UN, which indicates
3276 to the C program that it should include <sys/un.h> to get UNIX
3277 domain socket definitions.
3279 i_sysutsname (i_sysutsname.U):
3280 This variable conditionally defines the I_SYSUTSNAME symbol,
3281 and indicates whether a C program should include <sys/utsname.h>.
3283 i_sysvfs (i_sysvfs.U):
3284 This variable conditionally defines the I_SYSVFS symbol,
3285 and indicates whether a C program should include <sys/vfs.h>.
3287 i_syswait (i_syswait.U):
3288 This variable conditionally defines I_SYS_WAIT, which indicates
3289 to the C program that it should include <sys/wait.h>.
3291 i_termio (i_termio.U):
3292 This variable conditionally defines the I_TERMIO symbol, which
3293 indicates to the C program that it should include <termio.h> rather
3296 i_termios (i_termio.U):
3297 This variable conditionally defines the I_TERMIOS symbol, which
3298 indicates to the C program that the POSIX <termios.h> file is
3302 This variable conditionally defines I_TIME, which indicates
3303 to the C program that it should include <time.h>.
3305 i_unistd (i_unistd.U):
3306 This variable conditionally defines the I_UNISTD symbol, and indicates
3307 whether a C program should include <unistd.h>.
3309 i_ustat (i_ustat.U):
3310 This variable conditionally defines the I_USTAT symbol, and indicates
3311 whether a C program should include <ustat.h>.
3313 i_utime (i_utime.U):
3314 This variable conditionally defines the I_UTIME symbol, and indicates
3315 whether a C program should include <utime.h>.
3317 i_values (i_values.U):
3318 This variable conditionally defines the I_VALUES symbol, and indicates
3319 whether a C program may include <values.h> to get symbols like MAXLONG
3322 i_varargs (i_varhdr.U):
3323 This variable conditionally defines I_VARARGS, which indicates
3324 to the C program that it should include <varargs.h>.
3326 i_varhdr (i_varhdr.U):
3327 Contains the name of the header to be included to get va_dcl definition.
3328 Typically one of varargs.h or stdarg.h.
3330 i_vfork (i_vfork.U):
3331 This variable conditionally defines the I_VFORK symbol, and indicates
3332 whether a C program should include vfork.h.
3334 ignore_versioned_solibs (libs.U):
3335 This variable should be non-empty if non-versioned shared
3336 libraries (libfoo.so.x.y) are to be ignored (because they
3337 cannot be linked against).
3339 inc_version_list (inc_version_list.U):
3340 This variable specifies the list of subdirectories in over
3341 which perl.c:incpush() and lib/lib.pm will automatically
3342 search when adding directories to @INC. The elements in
3343 the list are separated by spaces. This is only useful
3344 if you have a perl library directory tree structured like the
3345 default one. See INSTALL for how this works. The versioned
3346 site_perl directory was introduced in 5.005, so that is the
3347 lowest possible value.
3349 This list includes architecture-dependent directories back to
3350 version $api_versionstring (e.g. 5.5.640) and
3351 architecture-independent directories all the way back to
3354 inc_version_list_init (inc_version_list.U):
3355 This variable holds the same list as inc_version_list, but
3356 each item is enclosed in double quotes and separated by commas,
3357 suitable for use in the PERL_INC_VERSION_LIST initialization.
3360 This variable must preceed the normal include path to get hte
3361 right one, as in "$incpath/usr/include" or "$incpath/usr/lib".
3362 Value can be "" or "/bsd43" on mips.
3365 This variable is defined but not used by Configure.
3366 The value is the empty string and is not useful.
3368 initialinstalllocation (bin.U):
3369 When userelocatableinc is true, this variable holds the location
3370 that make install should copy the perl binary to, with all the
3371 run-time relocatable paths calculated from this at install time.
3372 When used, it is initialised to the original value of binexp, and
3373 then binexp is set to '.../', as the other binaries are found
3374 relative to the perl binary.
3376 installarchlib (archlib.U):
3377 This variable is really the same as archlibexp but may differ on
3378 those systems using AFS. For extra portability, only this variable
3379 should be used in makefiles.
3382 This variable is the same as binexp unless AFS is running in which case
3383 the user is explicitely prompted for it. This variable should always
3384 be used in your makefiles for maximum portability.
3386 installhtml1dir (html1dir.U):
3387 This variable is really the same as html1direxp, unless you are
3388 using a different installprefix. For extra portability, you
3389 should only use this variable within your makefiles.
3391 installhtml3dir (html3dir.U):
3392 This variable is really the same as html3direxp, unless you are
3393 using a different installprefix. For extra portability, you
3394 should only use this variable within your makefiles.
3396 installman1dir (man1dir.U):
3397 This variable is really the same as man1direxp, unless you are using
3398 AFS in which case it points to the read/write location whereas
3399 man1direxp only points to the read-only access location. For extra
3400 portability, you should only use this variable within your makefiles.
3402 installman3dir (man3dir.U):
3403 This variable is really the same as man3direxp, unless you are using
3404 AFS in which case it points to the read/write location whereas
3405 man3direxp only points to the read-only access location. For extra
3406 portability, you should only use this variable within your makefiles.
3408 installprefix (installprefix.U):
3409 This variable holds the name of the directory below which
3410 "make install" will install the package. For most users, this
3411 is the same as prefix. However, it is useful for
3412 installing the software into a different (usually temporary)
3413 location after which it can be bundled up and moved somehow
3414 to the final location specified by prefix.
3416 installprefixexp (installprefix.U):
3417 This variable holds the full absolute path of installprefix
3418 with all ~-expansion done.
3420 installprivlib (privlib.U):
3421 This variable is really the same as privlibexp but may differ on
3422 those systems using AFS. For extra portability, only this variable
3423 should be used in makefiles.
3425 installscript (scriptdir.U):
3426 This variable is usually the same as scriptdirexp, unless you are on
3427 a system running AFS, in which case they may differ slightly. You
3428 should always use this variable within your makefiles for portability.
3430 installsitearch (sitearch.U):
3431 This variable is really the same as sitearchexp but may differ on
3432 those systems using AFS. For extra portability, only this variable
3433 should be used in makefiles.
3435 installsitebin (sitebin.U):
3436 This variable is usually the same as sitebinexp, unless you are on
3437 a system running AFS, in which case they may differ slightly. You
3438 should always use this variable within your makefiles for portability.
3440 installsitehtml1dir (sitehtml1dir.U):
3441 This variable is really the same as sitehtml1direxp, unless you are using
3442 AFS in which case it points to the read/write location whereas
3443 html1direxp only points to the read-only access location. For extra
3444 portability, you should only use this variable within your makefiles.
3446 installsitehtml3dir (sitehtml3dir.U):
3447 This variable is really the same as sitehtml3direxp, unless you are using
3448 AFS in which case it points to the read/write location whereas
3449 html3direxp only points to the read-only access location. For extra
3450 portability, you should only use this variable within your makefiles.
3452 installsitelib (sitelib.U):
3453 This variable is really the same as sitelibexp but may differ on
3454 those systems using AFS. For extra portability, only this variable
3455 should be used in makefiles.
3457 installsiteman1dir (siteman1dir.U):
3458 This variable is really the same as siteman1direxp, unless you are using
3459 AFS in which case it points to the read/write location whereas
3460 man1direxp only points to the read-only access location. For extra
3461 portability, you should only use this variable within your makefiles.
3463 installsiteman3dir (siteman3dir.U):
3464 This variable is really the same as siteman3direxp, unless you are using
3465 AFS in which case it points to the read/write location whereas
3466 man3direxp only points to the read-only access location. For extra
3467 portability, you should only use this variable within your makefiles.
3469 installsitescript (sitescript.U):
3470 This variable is usually the same as sitescriptexp, unless you are on
3471 a system running AFS, in which case they may differ slightly. You
3472 should always use this variable within your makefiles for portability.
3474 installstyle (installstyle.U):
3475 This variable describes the "style" of the perl installation.
3476 This is intended to be useful for tools that need to
3477 manipulate entire perl distributions. Perl itself doesn't use
3478 this to find its libraries -- the library directories are
3479 stored directly in Config.pm. Currently, there are only two
3480 styles: "lib" and "lib/perl5". The default library locations
3481 (e.g. privlib, sitelib) are either $prefix/lib or
3482 $prefix/lib/perl5. The former is useful if $prefix is a
3483 directory dedicated to perl (e.g. /opt/perl), while the latter
3484 is useful if $prefix is shared by many packages, e.g. if
3487 Unfortunately, while this "style" variable is used to set
3488 defaults for all three directory hierarchies (core, vendor, and
3489 site), there is no guarantee that the same style is actually
3490 appropriate for all those directories. For example, $prefix
3491 might be /opt/perl, but $siteprefix might be /usr/local.
3492 (Perhaps, in retrospect, the "lib" style should never have been
3493 supported, but it did seem like a nice idea at the time.)
3495 The situation is even less clear for tools such as MakeMaker
3496 that can be used to install additional modules into
3497 non-standard places. For example, if a user intends to install
3498 a module into a private directory (perhaps by setting PREFIX on
3499 the Makefile.PL command line), then there is no reason to
3500 assume that the Configure-time $installstyle setting will be
3501 relevant for that PREFIX.
3503 This may later be extended to include other information, so
3504 be careful with pattern-matching on the results.
3506 For compatibility with perl5.005 and earlier, the default
3507 setting is based on whether or not $prefix contains the string
3510 installusrbinperl (instubperl.U):
3511 This variable tells whether Perl should be installed also as
3512 /usr/bin/perl in addition to
3515 installvendorarch (vendorarch.U):
3516 This variable is really the same as vendorarchexp but may differ on
3517 those systems using AFS. For extra portability, only this variable
3518 should be used in makefiles.
3520 installvendorbin (vendorbin.U):
3521 This variable is really the same as vendorbinexp but may differ on
3522 those systems using AFS. For extra portability, only this variable
3523 should be used in makefiles.
3525 installvendorhtml1dir (vendorhtml1dir.U):
3526 This variable is really the same as vendorhtml1direxp but may differ on
3527 those systems using AFS. For extra portability, only this variable
3528 should be used in makefiles.
3530 installvendorhtml3dir (vendorhtml3dir.U):
3531 This variable is really the same as vendorhtml3direxp but may differ on
3532 those systems using AFS. For extra portability, only this variable
3533 should be used in makefiles.
3535 installvendorlib (vendorlib.U):
3536 This variable is really the same as vendorlibexp but may differ on
3537 those systems using AFS. For extra portability, only this variable
3538 should be used in makefiles.
3540 installvendorman1dir (vendorman1dir.U):
3541 This variable is really the same as vendorman1direxp but may differ on
3542 those systems using AFS. For extra portability, only this variable
3543 should be used in makefiles.
3545 installvendorman3dir (vendorman3dir.U):
3546 This variable is really the same as vendorman3direxp but may differ on
3547 those systems using AFS. For extra portability, only this variable
3548 should be used in makefiles.
3550 installvendorscript (vendorscript.U):
3551 This variable is really the same as vendorscriptexp but may differ on
3552 those systems using AFS. For extra portability, only this variable
3553 should be used in makefiles.
3555 intsize (intsize.U):
3556 This variable contains the value of the INTSIZE symbol, which
3557 indicates to the C program how many bytes there are in an int.
3559 issymlink (issymlink.U):
3560 This variable holds the test command to test for a symbolic link
3561 (if they are supported). Typical values include 'test -h' and
3564 ivdformat (perlxvf.U):
3565 This variable contains the format string used for printing
3566 a Perl IV as a signed decimal integer.
3569 This variable is the size of an IV in bytes.
3572 This variable contains the C type used for Perl's IV.
3574 known_extensions (Extensions.U):
3575 This variable holds a list of all XS extensions included in
3579 This variable is defined but not used by Configure.
3580 The value is the empty string and is not useful.
3583 This variable indicates the program to be used to link
3584 libraries for dynamic loading. On some systems, it is 'ld'.
3585 On ELF systems, it should be $cc. Mostly, we'll try to respect
3586 the hint file setting.
3588 lddlflags (dlsrc.U):
3589 This variable contains any special flags that might need to be
3590 passed to $ld to create a shared library suitable for dynamic
3591 loading. It is up to the makefile to use it. For hpux, it
3592 should be '-b'. For sunos 4.1, it is empty.
3594 ldflags (ccflags.U):
3595 This variable contains any additional C loader flags desired by
3596 the user. It is up to the Makefile to use this.
3598 ldflags_uselargefiles (uselfs.U):
3599 This variable contains the loader flags needed by large file builds
3600 and added to ldflags by hints files.
3602 ldlibpthname (libperl.U):
3603 This variable holds the name of the shared library
3604 search path, often LD_LIBRARY_PATH. To get an empty
3605 string, the hints file must set this to 'none'.
3608 This variable is used internally by Configure to determine the
3609 full pathname (if any) of the less program. After Configure runs,
3610 the value is reset to a plain "less" and is not useful.
3613 This is an old synonym for _a.
3616 This variable contains the location of the C library.
3618 libperl (libperl.U):
3619 The perl executable is obtained by linking perlmain.c with
3620 libperl, any static extensions (usually just DynaLoader),
3621 and any other libraries needed on this system. libperl
3622 is usually libperl.a, but can also be libperl.so.xxx if
3623 the user wishes to build a perl executable with a shared
3627 This variable holds the general path (space-separated) used to find
3628 libraries. It is intended to be used by other units.
3631 This variable holds the additional libraries we want to use.
3632 It is up to the Makefile to deal with it. The list can be empty.
3635 This variable holds the directory names aka dirnames of the libraries
3636 we found and accepted, duplicates are removed.
3639 This variable holds the filenames aka basenames of the libraries
3640 we found and accepted.
3643 This variable holds the full pathnames of the libraries
3644 we found and accepted.
3647 This variable holds the directory names probed for libraries.
3649 libswanted (Myinit.U):
3650 This variable holds a list of all the libraries we want to
3651 search. The order is chosen to pick up the c library
3652 ahead of ucb or bsd libraries for SVR4.
3654 libswanted_uselargefiles (uselfs.U):
3655 This variable contains the libraries needed by large file builds
3656 and added to ldflags by hints files. It is a space separated list
3657 of the library names without the "lib" prefix or any suffix, just
3661 This variable is defined but not used by Configure.
3662 The value is the empty string and is not useful.
3665 This variable is defined but not used by Configure.
3666 The value is the empty string and is not useful.
3668 lkflags (ccflags.U):
3669 This variable contains any additional C partial linker flags desired by
3670 the user. It is up to the Makefile to use this.
3673 This variable is used internally by Configure to determine the
3674 full pathname (if any) of the ln program. After Configure runs,
3675 the value is reset to a plain "ln" and is not useful.
3678 This variable holds the name of the command to make
3679 symbolic links (if they are supported). It can be used
3680 in the Makefile. It is either 'ln -s' or 'ln'
3682 localtime_r_proto (d_localtime_r.U):
3683 This variable encodes the prototype of localtime_r.
3684 It is zero if d_localtime_r is undef, and one of the
3685 REENTRANT_PROTO_T_ABC macros of reentr.h if d_localtime_r
3688 locincpth (ccflags.U):
3689 This variable contains a list of additional directories to be
3690 searched by the compiler. The appropriate '-I' directives will
3691 be added to ccflags. This is intended to simplify setting
3692 local directories from the Configure command line.
3693 It's not much, but it parallels the loclibpth stuff in libpth.U.
3695 loclibpth (libpth.U):
3696 This variable holds the paths (space-separated) used to find local
3697 libraries. It is prepended to libpth, and is intended to be easily
3698 set from the command line.
3700 longdblsize (d_longdbl.U):
3701 This variable contains the value of the LONG_DOUBLESIZE symbol, which
3702 indicates to the C program how many bytes there are in a long double,
3703 if this system supports long doubles.
3705 longlongsize (d_longlong.U):
3706 This variable contains the value of the LONGLONGSIZE symbol, which
3707 indicates to the C program how many bytes there are in a long long,
3708 if this system supports long long.
3710 longsize (intsize.U):
3711 This variable contains the value of the LONGSIZE symbol, which
3712 indicates to the C program how many bytes there are in a long.
3715 This variable is defined but not used by Configure.
3716 The value is the empty string and is not useful.
3719 This variable is defined but not used by Configure.
3720 The value is the empty string and is not useful.
3723 This variable is used internally by Configure to determine the
3724 full pathname (if any) of the ls program. After Configure runs,
3725 the value is reset to a plain "ls" and is not useful.
3727 lseeksize (lseektype.U):
3728 This variable defines lseektype to be something like off_t, long,
3729 or whatever type is used to declare lseek offset's type in the
3730 kernel (which also appears to be lseek's return type).
3732 lseektype (lseektype.U):
3733 This variable defines lseektype to be something like off_t, long,
3734 or whatever type is used to declare lseek offset's type in the
3735 kernel (which also appears to be lseek's return type).
3738 This variable indicates that the Misc Attribute Definition code is to
3742 If the Misc Attribute Decoration is to be compiled, this variable is
3743 set to the name of the extra header files to be used, else it is ''
3746 If the Misc Attribute Decoration is to be compiled, this variable is
3747 set to the name of the extra object files to be used, else it is ''
3750 If the Misc Attribute Decoration is to be compiled, this variable is
3751 set to the name of the extra C source files to be used, else it is ''
3754 This variable is defined but not used by Configure.
3755 The value is the empty string and is not useful.
3758 This variable is defined but not used by Configure.
3759 The value is the empty string and is not useful.
3762 This variable is used internally by Configure to determine the
3763 full pathname (if any) of the make program. After Configure runs,
3764 the value is reset to a plain "make" and is not useful.
3766 make_set_make (make.U):
3767 Some versions of 'make' set the variable MAKE. Others do not.
3768 This variable contains the string to be included in Makefile.SH
3769 so that MAKE is set if needed, and not if not needed.
3770 Possible values are:
3772 make_set_make='#' # If your make program handles this for you,
3774 make_set_make="MAKE=$make" # if it doesn't.
3776 This uses a comment character so that we can distinguish a
3777 'set' value (from a previous config.sh or Configure '-D' option)
3778 from an uncomputed value.
3780 mallocobj (mallocsrc.U):
3781 This variable contains the name of the malloc.o that this package
3782 generates, if that malloc.o is preferred over the system malloc.
3783 Otherwise the value is null. This variable is intended for generating
3784 Makefiles. See mallocsrc.
3786 mallocsrc (mallocsrc.U):
3787 This variable contains the name of the malloc.c that comes with
3788 the package, if that malloc.c is preferred over the system malloc.
3789 Otherwise the value is null. This variable is intended for generating
3792 malloctype (mallocsrc.U):
3793 This variable contains the kind of ptr returned by malloc and realloc.
3795 man1dir (man1dir.U):
3796 This variable contains the name of the directory in which manual
3797 source pages are to be put. It is the responsibility of the
3798 Makefile.SH to get the value of this into the proper command.
3799 You must be prepared to do the ~name expansion yourself.
3801 man1direxp (man1dir.U):
3802 This variable is the same as the man1dir variable, but is filename
3803 expanded at configuration time, for convenient use in makefiles.
3805 man1ext (man1dir.U):
3806 This variable contains the extension that the manual page should
3807 have: one of 'n', 'l', or '1'. The Makefile must supply the '.'.
3810 man3dir (man3dir.U):
3811 This variable contains the name of the directory in which manual
3812 source pages are to be put. It is the responsibility of the
3813 Makefile.SH to get the value of this into the proper command.
3814 You must be prepared to do the ~name expansion yourself.
3816 man3direxp (man3dir.U):
3817 This variable is the same as the man3dir variable, but is filename
3818 expanded at configuration time, for convenient use in makefiles.
3820 man3ext (man3dir.U):
3821 This variable contains the extension that the manual page should
3822 have: one of 'n', 'l', or '3'. The Makefile must supply the '.'.
3825 mips_type (usrinc.U):
3826 This variable holds the environment type for the mips system.
3827 Possible values are "BSD 4.3" and "System V".
3829 mistrustnm (Csym.U):
3830 This variable can be used to establish a fallthrough for the cases
3831 where nm fails to find a symbol. If usenm is false or usenm is true
3832 and mistrustnm is false, this variable has no effect. If usenm is true
3833 and mistrustnm is "compile", a test program will be compiled to try to
3834 find any symbol that can't be located via nm lookup. If mistrustnm is
3835 "run", the test program will be run as well as being compiled.
3838 This variable is used internally by Configure to determine the
3839 full pathname (if any) of the mkdir program. After Configure runs,
3840 the value is reset to a plain "mkdir" and is not useful.
3842 mmaptype (d_mmap.U):
3843 This symbol contains the type of pointer returned by mmap()
3844 (and simultaneously the type of the first argument).
3845 It can be 'void *' or 'caddr_t'.
3847 modetype (modetype.U):
3848 This variable defines modetype to be something like mode_t,
3849 int, unsigned short, or whatever type is used to declare file
3850 modes for system calls.
3853 This variable is used internally by Configure to determine the
3854 full pathname (if any) of the more program. After Configure runs,
3855 the value is reset to a plain "more" and is not useful.
3857 multiarch (multiarch.U):
3858 This variable conditionally defines the MULTIARCH symbol
3859 which signifies the presence of multiplatform files.
3860 This is normally set by hints files.
3863 This variable is defined but not used by Configure.
3864 The value is the empty string and is not useful.
3866 myarchname (archname.U):
3867 This variable holds the architecture name computed by Configure in
3868 a previous run. It is not intended to be perused by any user and
3869 should never be set in a hint file.
3871 mydomain (myhostname.U):
3872 This variable contains the eventual value of the MYDOMAIN symbol,
3873 which is the domain of the host the program is going to run on.
3874 The domain must be appended to myhostname to form a complete host name.
3875 The dot comes with mydomain, and need not be supplied by the program.
3877 myhostname (myhostname.U):
3878 This variable contains the eventual value of the MYHOSTNAME symbol,
3879 which is the name of the host the program is going to run on.
3880 The domain is not kept with hostname, but must be gotten from mydomain.
3881 The dot comes with mydomain, and need not be supplied by the program.
3883 myuname (Oldconfig.U):
3884 The output of 'uname -a' if available, otherwise the hostname. On Xenix,
3885 pseudo variables assignments in the output are stripped, thank you. The
3886 whole thing is then lower-cased.
3889 This variable contains the '-n' flag if that is what causes the echo
3890 command to suppress newline. Otherwise it is null. Correct usage is
3891 $echo $n "prompt for a question: $c".
3893 need_va_copy (need_va_copy.U):
3894 This symbol, if defined, indicates that the system stores
3895 the variable argument list datatype, va_list, in a format
3896 that cannot be copied by simple assignment, so that some
3897 other means must be used when copying is required.
3898 As such systems vary in their provision (or non-provision)
3899 of copying mechanisms, handy.h defines a platform-
3900 independent macro, Perl_va_copy(src, dst), to do the job.
3902 netdb_hlen_type (netdbtype.U):
3903 This variable holds the type used for the 2nd argument to
3904 gethostbyaddr(). Usually, this is int or size_t or unsigned.
3905 This is only useful if you have gethostbyaddr(), naturally.
3907 netdb_host_type (netdbtype.U):
3908 This variable holds the type used for the 1st argument to
3909 gethostbyaddr(). Usually, this is char * or void *, possibly
3910 with or without a const prefix.
3911 This is only useful if you have gethostbyaddr(), naturally.
3913 netdb_name_type (netdbtype.U):
3914 This variable holds the type used for the argument to
3915 gethostbyname(). Usually, this is char * or const char *.
3916 This is only useful if you have gethostbyname(), naturally.
3918 netdb_net_type (netdbtype.U):
3919 This variable holds the type used for the 1st argument to
3920 getnetbyaddr(). Usually, this is int or long.
3921 This is only useful if you have getnetbyaddr(), naturally.
3924 This variable is used internally by Configure to determine the
3925 full pathname (if any) of the nm program. After Configure runs,
3926 the value is reset to a plain "nm" and is not useful.
3929 This variable holds the options that may be necessary for nm.
3931 nm_so_opt (usenm.U):
3932 This variable holds the options that may be necessary for nm
3933 to work on a shared library but that can not be used on an
3934 archive library. Currently, this is only used by Linux, where
3935 nm --dynamic is *required* to get symbols from an ELF library which
3936 has been stripped, but nm --dynamic is *fatal* on an archive library.
3937 Maybe Linux should just always set usenm=false.
3939 nonxs_ext (Extensions.U):
3940 This variable holds a list of all non-xs extensions included
3941 in the package. All of them will be built.
3944 This variable is used internally by Configure to determine the
3945 full pathname (if any) of the nroff program. After Configure runs,
3946 the value is reset to a plain "nroff" and is not useful.
3948 nv_overflows_integers_at (perlxv.U):
3949 This variable gives the largest integer value that NVs can hold
3950 as a constant floating point expression.
3951 If it could not be determined, it holds the value 0.
3953 nv_preserves_uv_bits (perlxv.U):
3954 This variable indicates how many of bits type uvtype
3955 a variable nvtype can preserve.
3957 nveformat (perlxvf.U):
3958 This variable contains the format string used for printing
3959 a Perl NV using %e-ish floating point format.
3961 nvEUformat (perlxvf.U):
3962 This variable contains the format string used for printing
3963 a Perl NV using %E-ish floating point format.
3965 nvfformat (perlxvf.U):
3966 This variable confains the format string used for printing
3967 a Perl NV using %f-ish floating point format.
3969 nvFUformat (perlxvf.U):
3970 This variable confains the format string used for printing
3971 a Perl NV using %F-ish floating point format.
3973 nvgformat (perlxvf.U):
3974 This variable contains the format string used for printing
3975 a Perl NV using %g-ish floating point format.
3977 nvGUformat (perlxvf.U):
3978 This variable contains the format string used for printing
3979 a Perl NV using %G-ish floating point format.
3982 This variable is the size of an NV in bytes.
3985 This variable contains the C type used for Perl's NV.
3987 o_nonblock (nblock_io.U):
3988 This variable bears the symbol value to be used during open() or fcntl()
3989 to turn on non-blocking I/O for a file descriptor. If you wish to switch
3990 between blocking and non-blocking, you may try ioctl(FIOSNBIO) instead,
3991 but that is only supported by some devices.
3994 This is an old synonym for _o.
3996 old_pthread_create_joinable (d_pthrattrj.U):
3997 This variable defines the constant to use for creating joinable
3998 (aka undetached) pthreads. Unused if pthread.h defines
3999 PTHREAD_CREATE_JOINABLE. If used, possible values are
4000 PTHREAD_CREATE_UNDETACHED and __UNDETACHED.
4002 optimize (ccflags.U):
4003 This variable contains any optimizer/debugger flag that should be used.
4004 It is up to the Makefile to use it.
4006 orderlib (orderlib.U):
4007 This variable is "true" if the components of libraries must be ordered
4008 (with `lorder $* | tsort`) before placing them in an archive. Set to
4009 "false" if ranlib or ar can generate random libraries.
4011 osname (Oldconfig.U):
4012 This variable contains the operating system name (e.g. sunos,
4013 solaris, hpux, etc.). It can be useful later on for setting
4014 defaults. Any spaces are replaced with underscores. It is set
4015 to a null string if we can't figure it out.
4017 osvers (Oldconfig.U):
4018 This variable contains the operating system version (e.g.
4019 4.1.3, 5.2, etc.). It is primarily used for helping select
4020 an appropriate hints file, but might be useful elsewhere for
4021 setting defaults. It is set to '' if we can't figure it out.
4022 We try to be flexible about how much of the version number
4023 to keep, e.g. if 4.1.1, 4.1.2, and 4.1.3 are essentially the
4024 same for this package, hints files might just be os_4.0 or
4025 os_4.1, etc., not keeping separate files for each little release.
4027 otherlibdirs (otherlibdirs.U):
4028 This variable contains a colon-separated set of paths for the perl
4029 binary to search for additional library files or modules.
4030 These directories will be tacked to the end of @INC.
4031 Perl will automatically search below each path for version-
4032 and architecture-specific directories. See inc_version_list
4034 A value of ' ' means 'none' and is used to preserve this value
4035 for the next run through Configure.
4037 package (package.U):
4038 This variable contains the name of the package being constructed.
4039 It is primarily intended for the use of later Configure units.
4042 This variable contains the name of the preferred pager on the system.
4043 Usual values are (the full pathnames of) more, less, pg, or cat.
4046 This variable contains a command that produces the text of the
4047 /etc/passwd file. This is normally "cat /etc/passwd", but can be
4048 "ypcat passwd" when NIS is used.
4049 On some systems, such as os390, there may be no equivalent
4050 command, in which case this variable is unset.
4052 patchlevel (patchlevel.U):
4053 The patchlevel level of this package.
4054 The value of patchlevel comes from the patchlevel.h file.
4055 In a version number such as 5.6.1, this is the "6".
4056 In patchlevel.h, this is referred to as "PERL_VERSION".
4059 This is an old synonym for p_ in Head.U, the character
4060 used to separate elements in the command shell search PATH.
4063 This variable is defined but not used by Configure.
4064 The value is the empty string and is not useful.
4067 This variable contains the full path (if any) to a previously
4068 installed perl5.005 or later suitable for running the script
4069 to determine inc_version_list.
4071 PERL_API_REVISION (patchlevel.h):
4072 This number describes the earliest compatible PERL_REVISION of
4073 Perl ("compatibility" here being defined as sufficient binary/API
4074 compatibility to run XS code built with the older version).
4075 Normally this does not change across maintenance releases.
4076 Please read the comment in patchlevel.h.
4078 PERL_API_SUBVERSION (patchlevel.h):
4079 This number describes the earliest compatible PERL_SUBVERSION of
4080 Perl ("compatibility" here being defined as sufficient binary/API
4081 compatibility to run XS code built with the older version).
4082 Normally this does not change across maintenance releases.
4083 Please read the comment in patchlevel.h.
4085 PERL_API_VERSION (patchlevel.h):
4086 This number describes the earliest compatible PERL_VERSION of
4087 Perl ("compatibility" here being defined as sufficient binary/API
4088 compatibility to run XS code built with the older version).
4089 Normally this does not change across maintenance releases.
4090 Please read the comment in patchlevel.h.
4092 PERL_CONFIG_SH (Oldsyms.U):
4093 This is set to 'true' in config.sh so that a shell script
4094 sourcing config.sh can tell if it has been sourced already.
4096 PERL_PATCHLEVEL (Oldsyms.U):
4097 This symbol reflects the patchlevel, if available. Will usually
4098 come from the .patch file, which is available when the perl
4099 source tree was fetched with rsync.
4101 perl_patchlevel (patchlevel.U):
4102 This is the Perl patch level, a numeric change identifier,
4103 as defined by whichever source code maintenance system
4104 is used to maintain the patches; currently Perforce.
4105 It does not correlate with the Perl version numbers or
4106 the maintenance versus development dichotomy except
4107 by also being increasing.
4109 PERL_REVISION (Oldsyms.U):
4110 In a Perl version number such as 5.6.2, this is the 5.
4111 This value is manually set in patchlevel.h
4113 PERL_SUBVERSION (Oldsyms.U):
4114 In a Perl version number such as 5.6.2, this is the 2.
4115 Values greater than 50 represent potentially unstable
4116 development subversions.
4117 This value is manually set in patchlevel.h
4119 PERL_VERSION (Oldsyms.U):
4120 In a Perl version number such as 5.6.2, this is the 6.
4121 This value is manually set in patchlevel.h
4123 perladmin (perladmin.U):
4124 Electronic mail address of the perl5 administrator.
4127 The list of libraries needed by Perl only (any libraries needed
4128 by extensions only will by dropped, if using dynamic loading).
4130 perlpath (perlpath.U):
4131 This variable contains the eventual value of the PERLPATH symbol,
4132 which contains the name of the perl interpreter to be used in
4133 shell scripts and in the "eval 'exec'" idiom. This variable is
4134 not necessarily the pathname of the file containing the perl
4135 interpreter; you must append the executable extension (_exe) if
4136 it is not already present. Note that Perl code that runs during
4137 the Perl build process cannot reference this variable, as Perl
4138 may not have been installed, or even if installed, may be a
4139 different version of Perl.
4142 This variable is used internally by Configure to determine the
4143 full pathname (if any) of the pg program. After Configure runs,
4144 the value is reset to a plain "pg" and is not useful.
4146 phostname (myhostname.U):
4147 This variable contains the eventual value of the PHOSTNAME symbol,
4148 which is a command that can be fed to popen() to get the host name.
4149 The program should probably not presume that the domain is or isn't
4152 pidtype (pidtype.U):
4153 This variable defines PIDTYPE to be something like pid_t, int,
4154 ushort, or whatever type is used to declare process ids in the kernel.
4157 Holds the private path used by Configure to find out the libraries.
4158 Its value is prepend to libpth. This variable takes care of special
4159 machines, like the mips. Usually, it should be empty.
4162 This variable is defined but not used by Configure.
4163 The value is the empty string and is not useful.
4166 This variable is defined but not used by Configure.
4167 The value is the empty string and is not useful.
4170 This variable holds the name of the directory below which the
4171 user will install the package. Usually, this is /usr/local, and
4172 executables go in /usr/local/bin, library stuff in /usr/local/lib,
4173 man pages in /usr/local/man, etc. It is only used to set defaults
4174 for things in bin.U, mansrc.U, privlib.U, or scriptdir.U.
4176 prefixexp (prefix.U):
4177 This variable holds the full absolute path of the directory below
4178 which the user will install the package. Derived from prefix.
4180 privlib (privlib.U):
4181 This variable contains the eventual value of the PRIVLIB symbol,
4182 which is the name of the private library for this package. It may
4183 have a ~ on the front. It is up to the makefile to eventually create
4184 this directory while performing installation (with ~ substitution).
4186 privlibexp (privlib.U):
4187 This variable is the ~name expanded version of privlib, so that you
4188 may use it directly in Makefiles or shell scripts.
4190 procselfexe (d_procselfexe.U):
4191 If d_procselfexe is defined, $procselfexe is the filename
4192 of the symbolic link pointing to the absolute pathname of
4193 the executing program.
4195 prototype (prototype.U):
4196 This variable holds the eventual value of CAN_PROTOTYPE, which
4197 indicates the C compiler can handle funciton prototypes.
4199 ptrsize (ptrsize.U):
4200 This variable contains the value of the PTRSIZE symbol, which
4201 indicates to the C program how many bytes there are in a pointer.
4203 quadkind (quadtype.U):
4204 This variable, if defined, encodes the type of a quad:
4205 1 = int, 2 = long, 3 = long long, 4 = int64_t.
4207 quadtype (quadtype.U):
4208 This variable defines Quad_t to be something like long, int,
4209 long long, int64_t, or whatever type is used for 64-bit integers.
4211 randbits (randfunc.U):
4212 Indicates how many bits are produced by the function used to
4213 generate normalized random numbers.
4215 randfunc (randfunc.U):
4216 Indicates the name of the random number function to use.
4217 Values include drand48, random, and rand. In C programs,
4218 the 'Drand01' macro is defined to generate uniformly distributed
4219 random numbers over the range [0., 1.[ (see drand01 and nrand).
4221 random_r_proto (d_random_r.U):
4222 This variable encodes the prototype of random_r.
4223 It is zero if d_random_r is undef, and one of the
4224 REENTRANT_PROTO_T_ABC macros of reentr.h if d_random_r
4227 randseedtype (randfunc.U):
4228 Indicates the type of the argument of the seedfunc.
4230 ranlib (orderlib.U):
4231 This variable is set to the pathname of the ranlib program, if it is
4232 needed to generate random libraries. Set to ":" if ar can generate
4233 random libraries or if random libraries are not supported
4235 rd_nodata (nblock_io.U):
4236 This variable holds the return code from read() when no data is
4237 present. It should be -1, but some systems return 0 when O_NDELAY is
4238 used, which is a shame because you cannot make the difference between
4239 no data and an EOF.. Sigh!
4241 readdir64_r_proto (d_readdir64_r.U):
4242 This variable encodes the prototype of readdir64_r.
4243 It is zero if d_readdir64_r is undef, and one of the
4244 REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir64_r
4247 readdir_r_proto (d_readdir_r.U):
4248 This variable encodes the prototype of readdir_r.
4249 It is zero if d_readdir_r is undef, and one of the
4250 REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir_r
4253 revision (patchlevel.U):
4254 The value of revision comes from the patchlevel.h file.
4255 In a version number such as 5.6.1, this is the "5".
4256 In patchlevel.h, this is referred to as "PERL_REVISION".
4259 This variable is used internally by Configure to determine the
4260 full pathname (if any) of the rm program. After Configure runs,
4261 the value is reset to a plain "rm" and is not useful.
4264 This is a cleanup variable for try test programs.
4265 Internal Configure use only.
4268 This variable is defined but not used by Configure.
4269 The value is the empty string and is not useful.
4272 This variable contains the command used by Configure
4273 to copy and execute a cross-compiled executable in the
4274 target host. Useful and available only during Perl build.
4275 Empty string '' if not cross-compiling.
4278 This variable contains 'true' or 'false' depending whether the
4279 nm extraction should be performed or not, according to the value
4280 of usenm and the flags on the Configure command line.
4282 sched_yield (d_pthread_y.U):
4283 This variable defines the way to yield the execution
4284 of the current thread.
4286 scriptdir (scriptdir.U):
4287 This variable holds the name of the directory in which the user wants
4288 to put publicly scripts for the package in question. It is either
4289 the same directory as for binaries, or a special one that can be
4290 mounted across different architectures, like /usr/share. Programs
4291 must be prepared to deal with ~name expansion.
4293 scriptdirexp (scriptdir.U):
4294 This variable is the same as scriptdir, but is filename expanded
4295 at configuration time, for programs not wanting to bother with it.
4298 This variable is used internally by Configure to determine the
4299 full pathname (if any) of the sed program. After Configure runs,
4300 the value is reset to a plain "sed" and is not useful.
4302 seedfunc (randfunc.U):
4303 Indicates the random number generating seed function.
4304 Values include srand48, srandom, and srand.
4306 selectminbits (selectminbits.U):
4307 This variable holds the minimum number of bits operated by select.
4308 That is, if you do select(n, ...), how many bits at least will be
4309 cleared in the masks if some activity is detected. Usually this
4310 is either n or 32*ceil(n/32), especially many little-endians do
4311 the latter. This is only useful if you have select(), naturally.
4313 selecttype (selecttype.U):
4314 This variable holds the type used for the 2nd, 3rd, and 4th
4315 arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET
4316 is defined, and 'int *' otherwise. This is only useful if you
4317 have select(), naturally.
4320 This variable is defined but not used by Configure.
4321 The value is the empty string and is not useful.
4323 setgrent_r_proto (d_setgrent_r.U):
4324 This variable encodes the prototype of setgrent_r.
4325 It is zero if d_setgrent_r is undef, and one of the
4326 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setgrent_r
4329 sethostent_r_proto (d_sethostent_r.U):
4330 This variable encodes the prototype of sethostent_r.
4331 It is zero if d_sethostent_r is undef, and one of the
4332 REENTRANT_PROTO_T_ABC macros of reentr.h if d_sethostent_r
4335 setlocale_r_proto (d_setlocale_r.U):
4336 This variable encodes the prototype of setlocale_r.
4337 It is zero if d_setlocale_r is undef, and one of the
4338 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setlocale_r
4341 setnetent_r_proto (d_setnetent_r.U):
4342 This variable encodes the prototype of setnetent_r.
4343 It is zero if d_setnetent_r is undef, and one of the
4344 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setnetent_r
4347 setprotoent_r_proto (d_setprotoent_r.U):
4348 This variable encodes the prototype of setprotoent_r.
4349 It is zero if d_setprotoent_r is undef, and one of the
4350 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setprotoent_r
4353 setpwent_r_proto (d_setpwent_r.U):
4354 This variable encodes the prototype of setpwent_r.
4355 It is zero if d_setpwent_r is undef, and one of the
4356 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setpwent_r
4359 setservent_r_proto (d_setservent_r.U):
4360 This variable encodes the prototype of setservent_r.
4361 It is zero if d_setservent_r is undef, and one of the
4362 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
4365 sGMTIME_max (time_size.U):
4366 This variable defines the maximum value of the time_t offset that
4367 the system function gmtime () accepts
4369 sGMTIME_min (time_size.U):
4370 This variable defines the minimum value of the time_t offset that
4371 the system function gmtime () accepts
4374 This variable contains the full pathname of the shell used
4375 on this system to execute Bourne shell scripts. Usually, this will be
4376 /bin/sh, though it's possible that some systems will have /bin/ksh,
4377 /bin/pdksh, /bin/ash, /bin/bash, or even something such as
4379 This unit comes before Options.U, so you can't set sh with a '-D'
4380 option, though you can override this (and startsh)
4381 with '-O -Dsh=/bin/whatever -Dstartsh=whatever'
4384 This variable is defined but not used by Configure.
4385 The value is the empty string and is not useful.
4387 sharpbang (spitshell.U):
4388 This variable contains the string #! if this system supports that
4391 shmattype (d_shmat.U):
4392 This symbol contains the type of pointer returned by shmat().
4393 It can be 'void *' or 'char *'.
4395 shortsize (intsize.U):
4396 This variable contains the value of the SHORTSIZE symbol which
4397 indicates to the C program how many bytes there are in a short.
4399 shrpenv (libperl.U):
4400 If the user builds a shared libperl.so, then we need to tell the
4401 'perl' executable where it will be able to find the installed libperl.so.
4402 One way to do this on some systems is to set the environment variable
4403 LD_RUN_PATH to the directory that will be the final location of the
4404 shared libperl.so. The makefile can use this with something like
4405 $shrpenv $(CC) -o perl perlmain.o $libperl $libs
4407 shrpenv="env LD_RUN_PATH=$archlibexp/CORE"
4410 See the main perl Makefile.SH for actual working usage.
4411 Alternatively, we might be able to use a command line option such
4412 as -R $archlibexp/CORE (Solaris) or -Wl,-rpath
4413 $archlibexp/CORE (Linux).
4415 shsharp (spitshell.U):
4416 This variable tells further Configure units whether your sh can
4419 sig_count (sig_name.U):
4420 This variable holds a number larger than the largest valid
4421 signal number. This is usually the same as the NSIG macro.
4423 sig_name (sig_name.U):
4424 This variable holds the signal names, space separated. The leading
4425 SIG in signal name is removed. A ZERO is prepended to the list.
4426 This is currently not used, sig_name_init is used instead.
4428 sig_name_init (sig_name.U):
4429 This variable holds the signal names, enclosed in double quotes and
4430 separated by commas, suitable for use in the SIG_NAME definition
4431 below. A "ZERO" is prepended to the list, and the list is
4432 terminated with a plain 0. The leading SIG in signal names
4433 is removed. See sig_num.
4435 sig_num (sig_name.U):
4436 This variable holds the signal numbers, space separated. A ZERO is
4437 prepended to the list (corresponding to the fake SIGZERO).
4438 Those numbers correspond to the value of the signal listed
4439 in the same place within the sig_name list.
4440 This is currently not used, sig_num_init is used instead.
4442 sig_num_init (sig_name.U):
4443 This variable holds the signal numbers, enclosed in double quotes and
4444 separated by commas, suitable for use in the SIG_NUM definition
4445 below. A "ZERO" is prepended to the list, and the list is
4446 terminated with a plain 0.
4448 sig_size (sig_name.U):
4449 This variable contains the number of elements of the sig_name
4452 signal_t (d_voidsig.U):
4453 This variable holds the type of the signal handler (void or int).
4455 sitearch (sitearch.U):
4456 This variable contains the eventual value of the SITEARCH symbol,
4457 which is the name of the private library for this package. It may
4458 have a ~ on the front. It is up to the makefile to eventually create
4459 this directory while performing installation (with ~ substitution).
4460 The standard distribution will put nothing in this directory.
4461 After perl has been installed, users may install their own local
4462 architecture-dependent modules in this directory with
4463 MakeMaker Makefile.PL
4464 or equivalent. See INSTALL for details.
4466 sitearchexp (sitearch.U):
4467 This variable is the ~name expanded version of sitearch, so that you
4468 may use it directly in Makefiles or shell scripts.
4470 sitebin (sitebin.U):
4471 This variable holds the name of the directory in which the user wants
4472 to put add-on publicly executable files for the package in question. It
4473 is most often a local directory such as /usr/local/bin. Programs using
4474 this variable must be prepared to deal with ~name substitution.
4475 The standard distribution will put nothing in this directory.
4476 After perl has been installed, users may install their own local
4477 executables in this directory with
4478 MakeMaker Makefile.PL
4479 or equivalent. See INSTALL for details.
4481 sitebinexp (sitebin.U):
4482 This is the same as the sitebin variable, but is filename expanded at
4483 configuration time, for use in your makefiles.
4485 sitehtml1dir (sitehtml1dir.U):
4486 This variable contains the name of the directory in which site-specific
4487 html source pages are to be put. It is the responsibility of the
4488 Makefile.SH to get the value of this into the proper command.
4489 You must be prepared to do the ~name expansion yourself.
4490 The standard distribution will put nothing in this directory.
4491 After perl has been installed, users may install their own local
4492 html pages in this directory with
4493 MakeMaker Makefile.PL
4494 or equivalent. See INSTALL for details.
4496 sitehtml1direxp (sitehtml1dir.U):
4497 This variable is the same as the sitehtml1dir variable, but is filename
4498 expanded at configuration time, for convenient use in makefiles.
4500 sitehtml3dir (sitehtml3dir.U):
4501 This variable contains the name of the directory in which site-specific
4502 library html source pages are to be put. It is the responsibility of the
4503 Makefile.SH to get the value of this into the proper command.
4504 You must be prepared to do the ~name expansion yourself.
4505 The standard distribution will put nothing in this directory.
4506 After perl has been installed, users may install their own local
4507 library html pages in this directory with
4508 MakeMaker Makefile.PL
4509 or equivalent. See INSTALL for details.
4511 sitehtml3direxp (sitehtml3dir.U):
4512 This variable is the same as the sitehtml3dir variable, but is filename
4513 expanded at configuration time, for convenient use in makefiles.
4515 sitelib (sitelib.U):
4516 This variable contains the eventual value of the SITELIB symbol,
4517 which is the name of the private library for this package. It may
4518 have a ~ on the front. It is up to the makefile to eventually create
4519 this directory while performing installation (with ~ substitution).
4520 The standard distribution will put nothing in this directory.
4521 After perl has been installed, users may install their own local
4522 architecture-independent modules in this directory with
4523 MakeMaker Makefile.PL
4524 or equivalent. See INSTALL for details.
4526 sitelib_stem (sitelib.U):
4527 This variable is $sitelibexp with any trailing version-specific component
4528 removed. The elements in inc_version_list (inc_version_list.U) can
4529 be tacked onto this variable to generate a list of directories to search.
4531 sitelibexp (sitelib.U):
4532 This variable is the ~name expanded version of sitelib, so that you
4533 may use it directly in Makefiles or shell scripts.
4535 siteman1dir (siteman1dir.U):
4536 This variable contains the name of the directory in which site-specific
4537 manual source pages are to be put. It is the responsibility of the
4538 Makefile.SH to get the value of this into the proper command.
4539 You must be prepared to do the ~name expansion yourself.
4540 The standard distribution will put nothing in this directory.
4541 After perl has been installed, users may install their own local
4542 man1 pages in this directory with
4543 MakeMaker Makefile.PL
4544 or equivalent. See INSTALL for details.
4546 siteman1direxp (siteman1dir.U):
4547 This variable is the same as the siteman1dir variable, but is filename
4548 expanded at configuration time, for convenient use in makefiles.
4550 siteman3dir (siteman3dir.U):
4551 This variable contains the name of the directory in which site-specific
4552 library man source pages are to be put. It is the responsibility of the
4553 Makefile.SH to get the value of this into the proper command.
4554 You must be prepared to do the ~name expansion yourself.
4555 The standard distribution will put nothing in this directory.
4556 After perl has been installed, users may install their own local
4557 man3 pages in this directory with
4558 MakeMaker Makefile.PL
4559 or equivalent. See INSTALL for details.
4561 siteman3direxp (siteman3dir.U):
4562 This variable is the same as the siteman3dir variable, but is filename
4563 expanded at configuration time, for convenient use in makefiles.
4565 siteprefix (siteprefix.U):
4566 This variable holds the full absolute path of the directory below
4567 which the user will install add-on packages.
4568 See INSTALL for usage and examples.
4570 siteprefixexp (siteprefix.U):
4571 This variable holds the full absolute path of the directory below
4572 which the user will install add-on packages. Derived from siteprefix.
4574 sitescript (sitescript.U):
4575 This variable holds the name of the directory in which the user wants
4576 to put add-on publicly executable files for the package in question. It
4577 is most often a local directory such as /usr/local/bin. Programs using
4578 this variable must be prepared to deal with ~name substitution.
4579 The standard distribution will put nothing in this directory.
4580 After perl has been installed, users may install their own local
4581 scripts in this directory with
4582 MakeMaker Makefile.PL
4583 or equivalent. See INSTALL for details.
4585 sitescriptexp (sitescript.U):
4586 This is the same as the sitescript variable, but is filename expanded at
4587 configuration time, for use in your makefiles.
4589 sizesize (sizesize.U):
4590 This variable contains the size of a sizetype in bytes.
4592 sizetype (sizetype.U):
4593 This variable defines sizetype to be something like size_t,
4594 unsigned long, or whatever type is used to declare length
4595 parameters for string functions.
4598 This variable is defined but not used by Configure.
4599 The value is the empty string and is not useful.
4601 sLOCALTIME_max (time_size.U):
4602 This variable defines the maximum value of the time_t offset that
4603 the system function localtime () accepts
4605 sLOCALTIME_min (time_size.U):
4606 This variable defines the minimum value of the time_t offset that
4607 the system function localtime () accepts
4610 This variable is defined but not used by Configure.
4611 The value is the empty string and is not useful.
4614 This variable holds the extension used to identify shared libraries
4615 (also known as shared objects) on the system. Usually set to 'so'.
4617 sockethdr (d_socket.U):
4618 This variable has any cpp '-I' flags needed for socket support.
4620 socketlib (d_socket.U):
4621 This variable has the names of any libraries needed for socket support.
4623 socksizetype (socksizetype.U):
4624 This variable holds the type used for the size argument
4625 for various socket calls like accept. Usual values include
4626 socklen_t, size_t, and int.
4629 This variable is used internally by Configure to determine the
4630 full pathname (if any) of the sort program. After Configure runs,
4631 the value is reset to a plain "sort" and is not useful.
4633 spackage (package.U):
4634 This variable contains the name of the package being constructed,
4635 with the first letter uppercased, i.e. suitable for starting
4638 spitshell (spitshell.U):
4639 This variable contains the command necessary to spit out a runnable
4640 shell on this system. It is either cat or a grep '-v' for # comments.
4642 sPRId64 (quadfio.U):
4643 This variable, if defined, contains the string used by stdio to
4644 format 64-bit decimal numbers (format 'd') for output.
4646 sPRIeldbl (longdblfio.U):
4647 This variable, if defined, contains the string used by stdio to
4648 format long doubles (format 'e') for output.
4650 sPRIEUldbl (longdblfio.U):
4651 This variable, if defined, contains the string used by stdio to
4652 format long doubles (format 'E') for output.
4653 The 'U' in the name is to separate this from sPRIeldbl so that even
4654 case-blind systems can see the difference.
4656 sPRIfldbl (longdblfio.U):
4657 This variable, if defined, contains the string used by stdio to
4658 format long doubles (format 'f') for output.
4660 sPRIFUldbl (longdblfio.U):
4661 This variable, if defined, contains the string used by stdio to
4662 format long doubles (format 'F') for output.
4663 The 'U' in the name is to separate this from sPRIfldbl so that even
4664 case-blind systems can see the difference.
4666 sPRIgldbl (longdblfio.U):
4667 This variable, if defined, contains the string used by stdio to
4668 format long doubles (format 'g') for output.
4670 sPRIGUldbl (longdblfio.U):
4671 This variable, if defined, contains the string used by stdio to
4672 format long doubles (format 'G') for output.
4673 The 'U' in the name is to separate this from sPRIgldbl so that even
4674 case-blind systems can see the difference.
4676 sPRIi64 (quadfio.U):
4677 This variable, if defined, contains the string used by stdio to
4678 format 64-bit decimal numbers (format 'i') for output.
4680 sPRIo64 (quadfio.U):
4681 This variable, if defined, contains the string used by stdio to
4682 format 64-bit octal numbers (format 'o') for output.
4684 sPRIu64 (quadfio.U):
4685 This variable, if defined, contains the string used by stdio to
4686 format 64-bit unsigned decimal numbers (format 'u') for output.
4688 sPRIx64 (quadfio.U):
4689 This variable, if defined, contains the string used by stdio to
4690 format 64-bit hexadecimal numbers (format 'x') for output.
4692 sPRIXU64 (quadfio.U):
4693 This variable, if defined, contains the string used by stdio to
4694 format 64-bit hExADECimAl numbers (format 'X') for output.
4695 The 'U' in the name is to separate this from sPRIx64 so that even
4696 case-blind systems can see the difference.
4698 srand48_r_proto (d_srand48_r.U):
4699 This variable encodes the prototype of srand48_r.
4700 It is zero if d_srand48_r is undef, and one of the
4701 REENTRANT_PROTO_T_ABC macros of reentr.h if d_srand48_r
4704 srandom_r_proto (d_srandom_r.U):
4705 This variable encodes the prototype of srandom_r.
4706 It is zero if d_srandom_r is undef, and one of the
4707 REENTRANT_PROTO_T_ABC macros of reentr.h if d_srandom_r
4711 This variable holds the (possibly relative) path of the package source.
4712 It is up to the Makefile to use this variable and set VPATH accordingly
4713 to find the sources remotely. Use $pkgsrc to have an absolute path.
4715 sSCNfldbl (longdblfio.U):
4716 This variable, if defined, contains the string used by stdio to
4717 format long doubles (format 'f') for input.
4719 ssizetype (ssizetype.U):
4720 This variable defines ssizetype to be something like ssize_t,
4721 long or int. It is used by functions that return a count
4722 of bytes or an error condition. It must be a signed type.
4723 We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
4725 startperl (startperl.U):
4726 This variable contains the string to put on the front of a perl
4727 script to make sure (hopefully) that it runs with perl and not some
4728 shell. Of course, that leading line must be followed by the classical
4730 eval 'exec perl -S $0 ${1+"$@"}'
4731 if $running_under_some_shell;
4732 to guarantee perl startup should the shell execute the script. Note
4733 that this magic incatation is not understood by csh.
4735 startsh (startsh.U):
4736 This variable contains the string to put on the front of a shell
4737 script to make sure (hopefully) that it runs with sh and not some
4740 static_ext (Extensions.U):
4741 This variable holds a list of XS extension files we want to
4742 link statically into the package. It is used by Makefile.
4744 stdchar (stdchar.U):
4745 This variable conditionally defines STDCHAR to be the type of char
4746 used in stdio.h. It has the values "unsigned char" or "char".
4748 stdio_base (d_stdstdio.U):
4749 This variable defines how, given a FILE pointer, fp, to access the
4750 _base field (or equivalent) of stdio.h's FILE structure. This will
4751 be used to define the macro FILE_base(fp).
4753 stdio_bufsiz (d_stdstdio.U):
4754 This variable defines how, given a FILE pointer, fp, to determine
4755 the number of bytes store in the I/O buffer pointer to by the
4756 _base field (or equivalent) of stdio.h's FILE structure. This will
4757 be used to define the macro FILE_bufsiz(fp).
4759 stdio_cnt (d_stdstdio.U):
4760 This variable defines how, given a FILE pointer, fp, to access the
4761 _cnt field (or equivalent) of stdio.h's FILE structure. This will
4762 be used to define the macro FILE_cnt(fp).
4764 stdio_filbuf (d_stdstdio.U):
4765 This variable defines how, given a FILE pointer, fp, to tell
4766 stdio to refill its internal buffers (?). This will
4767 be used to define the macro FILE_filbuf(fp).
4769 stdio_ptr (d_stdstdio.U):
4770 This variable defines how, given a FILE pointer, fp, to access the
4771 _ptr field (or equivalent) of stdio.h's FILE structure. This will
4772 be used to define the macro FILE_ptr(fp).
4774 stdio_stream_array (stdio_streams.U):
4775 This variable tells the name of the array holding the stdio streams.
4776 Usual values include _iob, __iob, and __sF.
4778 strerror_r_proto (d_strerror_r.U):
4779 This variable encodes the prototype of strerror_r.
4780 It is zero if d_strerror_r is undef, and one of the
4781 REENTRANT_PROTO_T_ABC macros of reentr.h if d_strerror_r
4784 strings (i_string.U):
4785 This variable holds the full path of the string header that will be
4786 used. Typically /usr/include/string.h or /usr/include/strings.h.
4789 This variable is defined but not used by Configure.
4790 The value is the empty string and is not useful.
4792 subversion (patchlevel.U):
4793 The subversion level of this package.
4794 The value of subversion comes from the patchlevel.h file.
4795 In a version number such as 5.6.1, this is the "1".
4796 In patchlevel.h, this is referred to as "PERL_SUBVERSION".
4797 This is unique to perl.
4800 This variable holds the place where the manual is located on this
4801 system. It is not the place where the user wants to put his manual
4802 pages. Rather it is the place where Configure may look to find manual
4803 for unix commands (section 1 of the manual usually). See mansrc.
4806 This variable is defined but not used by Configure.
4807 The value is the empty string and is not useful.
4810 This variable is defined but not used by Configure.
4811 The value is the empty string and is not useful.
4813 targetarch (Cross.U):
4814 If cross-compiling, this variable contains the target architecture.
4815 If not, this will be empty.
4818 This variable is defined but not used by Configure.
4819 The value is the empty string and is not useful.
4822 This variable is defined but not used by Configure.
4823 The value is the empty string and is not useful.
4826 This variable is used internally by Configure to determine the
4827 full pathname (if any) of the test program. After Configure runs,
4828 the value is reset to a plain "test" and is not useful.
4830 timeincl (i_time.U):
4831 This variable holds the full path of the included time header(s).
4833 timetype (d_time.U):
4834 This variable holds the type returned by time(). It can be long,
4835 or time_t on BSD sites (in which case <sys/types.h> should be
4836 included). Anyway, the type Time_t should be used.
4838 tmpnam_r_proto (d_tmpnam_r.U):
4839 This variable encodes the prototype of tmpnam_r.
4840 It is zero if d_tmpnam_r is undef, and one of the
4841 REENTRANT_PROTO_T_ABC macros of reentr.h if d_tmpnam_r
4845 This variable contains the command used by Configure
4846 to copy to from the target host. Useful and available
4847 only during Perl build.
4848 The string ':' if not cross-compiling.
4851 This variable is used internally by Configure to determine the
4852 full pathname (if any) of the touch program. After Configure runs,
4853 the value is reset to a plain "touch" and is not useful.
4856 This variable is used internally by Configure to determine the
4857 full pathname (if any) of the tr program. After Configure runs,
4858 the value is reset to a plain "tr" and is not useful.
4861 This variable contains the value to be passed to the tr(1)
4862 command to transliterate a newline. Typical values are
4863 '\012' and '\n'. This is needed for EBCDIC systems where
4864 newline is not necessarily '\012'.
4867 This variable is defined but not used by Configure.
4868 The value is the empty string and is not useful.
4870 ttyname_r_proto (d_ttyname_r.U):
4871 This variable encodes the prototype of ttyname_r.
4872 It is zero if d_ttyname_r is undef, and one of the
4873 REENTRANT_PROTO_T_ABC macros of reentr.h if d_ttyname_r
4877 This variable is the size of an U16 in bytes.
4880 This variable contains the C type used for Perl's U16.
4883 This variable is the size of an U32 in bytes.
4886 This variable contains the C type used for Perl's U32.
4889 This variable is the size of an U64 in bytes.
4892 This variable contains the C type used for Perl's U64.
4895 This variable is the size of an U8 in bytes.
4898 This variable contains the C type used for Perl's U8.
4901 This variable contains the format string used for printing a Uid_t.
4903 uidsign (uidsign.U):
4904 This variable contains the signedness of a uidtype.
4905 1 for unsigned, -1 for signed.
4907 uidsize (uidsize.U):
4908 This variable contains the size of a uidtype in bytes.
4910 uidtype (uidtype.U):
4911 This variable defines Uid_t to be something like uid_t, int,
4912 ushort, or whatever type is used to declare user ids in the kernel.
4915 This variable is used internally by Configure to determine the
4916 full pathname (if any) of the uname program. After Configure runs,
4917 the value is reset to a plain "uname" and is not useful.
4920 This variable is used internally by Configure to determine the
4921 full pathname (if any) of the uniq program. After Configure runs,
4922 the value is reset to a plain "uniq" and is not useful.
4924 uquadtype (quadtype.U):
4925 This variable defines Uquad_t to be something like unsigned long,
4926 unsigned int, unsigned long long, uint64_t, or whatever type is
4927 used for 64-bit integers.
4929 use5005threads (usethreads.U):
4930 This variable conditionally defines the USE_5005THREADS symbol,
4931 and indicates that Perl should be built to use the 5.005-based
4932 threading implementation. Only valid up to 5.8.x.
4934 use64bitall (use64bits.U):
4935 This variable conditionally defines the USE_64_BIT_ALL symbol,
4936 and indicates that 64-bit integer types should be used
4937 when available. The maximal possible
4938 64-bitness is employed: LP64 or ILP64, meaning that you will
4939 be able to use more than 2 gigabytes of memory. This mode is
4940 even more binary incompatible than USE_64_BIT_INT. You may not
4941 be able to run the resulting executable in a 32-bit CPU at all or
4942 you may need at least to reboot your OS to 64-bit mode.
4944 use64bitint (use64bits.U):
4945 This variable conditionally defines the USE_64_BIT_INT symbol,
4946 and indicates that 64-bit integer types should be used
4947 when available. The minimal possible 64-bitness
4948 is employed, just enough to get 64-bit integers into Perl.
4949 This may mean using for example "long longs", while your memory
4950 may still be limited to 2 gigabytes.
4952 usecrosscompile (Cross.U):
4953 This variable conditionally defines the USE_CROSS_COMPILE symbol,
4954 and indicates that Perl has been cross-compiled.
4957 This variable indicates that Perl was configured with development
4958 features enabled. This should not be done for production builds.
4961 This variable indicates if the system supports dynamic
4962 loading of some sort. See also dlsrc and dlobj.
4964 usedtrace (usedtrace.U):
4965 This variable indicates whether we are compiling with dtrace
4966 support. See also dtrace.
4968 usefaststdio (usefaststdio.U):
4969 This variable conditionally defines the USE_FAST_STDIO symbol,
4970 and indicates that Perl should be built to use 'fast stdio'.
4971 Defaults to define in Perls 5.8 and earlier, to undef later.
4973 useithreads (usethreads.U):
4974 This variable conditionally defines the USE_ITHREADS symbol,
4975 and indicates that Perl should be built to use the interpreter-based
4976 threading implementation.
4978 uselargefiles (uselfs.U):
4979 This variable conditionally defines the USE_LARGE_FILES symbol,
4980 and indicates that large file interfaces should be used when
4983 uselongdouble (uselongdbl.U):
4984 This variable conditionally defines the USE_LONG_DOUBLE symbol,
4985 and indicates that long doubles should be used when available.
4987 usemallocwrap (mallocsrc.U):
4988 This variable contains y if we are wrapping malloc to prevent
4989 integer overflow during size calculations.
4991 usemorebits (usemorebits.U):
4992 This variable conditionally defines the USE_MORE_BITS symbol,
4993 and indicates that explicit 64-bit interfaces and long doubles
4994 should be used when available.
4996 usemultiplicity (usemultiplicity.U):
4997 This variable conditionally defines the MULTIPLICITY symbol,
4998 and indicates that Perl should be built to use multiplicity.
5000 usemymalloc (mallocsrc.U):
5001 This variable contains y if the malloc that comes with this package
5002 is desired over the system's version of malloc. People often include
5003 special versions of malloc for effiency, but such versions are often
5004 less portable. See also mallocsrc and mallocobj.
5005 If this is 'y', then -lmalloc is removed from $libs.
5008 This variable contains 'true' or 'false' depending whether the
5009 nm extraction is wanted or not.
5011 useopcode (Extensions.U):
5012 This variable holds either 'true' or 'false' to indicate
5013 whether the Opcode extension should be used. The sole
5014 use for this currently is to allow an easy mechanism
5015 for users to skip the Opcode extension from the Configure
5018 useperlio (useperlio.U):
5019 This variable conditionally defines the USE_PERLIO symbol,
5020 and indicates that the PerlIO abstraction should be
5023 useposix (Extensions.U):
5024 This variable holds either 'true' or 'false' to indicate
5025 whether the POSIX extension should be used. The sole
5026 use for this currently is to allow an easy mechanism
5027 for hints files to indicate that POSIX will not compile
5028 on a particular system.
5030 usereentrant (usethreads.U):
5031 This variable conditionally defines the USE_REENTRANT_API symbol,
5032 which indicates that the thread code may try to use the various
5033 _r versions of library functions. This is only potentially
5034 meaningful if usethreads is set and is very experimental, it is
5035 not even prompted for.
5037 userelocatableinc (bin.U):
5038 This variable is set to true to indicate that perl should relocate
5039 @INC entries at runtime based on the path to the perl binary.
5040 Any @INC paths starting ".../" are relocated relative to the directory
5041 containing the perl binary, and a logical cleanup of the path is then
5042 made around the join point (removing "dir/../" pairs)
5045 This variable is set to true when the user agrees to use sfio.
5046 It is set to false when sfio is not available or when the user
5047 explicitely requests not to use sfio. It is here primarily so
5048 that command-line settings can override the auto-detection of
5049 d_sfio without running into a "WHOA THERE".
5051 useshrplib (libperl.U):
5052 This variable is set to 'true' if the user wishes
5053 to build a shared libperl, and 'false' otherwise.
5055 usesitecustomize (d_sitecustomize.U):
5056 This variable is set to true when the user requires a mechanism that
5057 allows the sysadmin to add entries to @INC at runtime. This variable
5058 being set, makes perl run '$sitelib/sitecustomize.pl' at startup.
5060 usesocks (usesocks.U):
5061 This variable conditionally defines the USE_SOCKS symbol,
5062 and indicates that Perl should be built to use SOCKS.
5064 usethreads (usethreads.U):
5065 This variable conditionally defines the USE_THREADS symbol,
5066 and indicates that Perl should be built to use threads.
5068 usevendorprefix (vendorprefix.U):
5069 This variable tells whether the vendorprefix
5070 and consequently other vendor* paths are in use.
5072 usevfork (d_vfork.U):
5073 This variable is set to true when the user accepts to use vfork.
5074 It is set to false when no vfork is available or when the user
5075 explicitely requests not to use vfork.
5078 This variable holds the path of the include files, which is
5079 usually /usr/include. It is mainly used by other Configure units.
5082 This variable is defined but not used by Configure.
5083 The value is the empty string and is not useful.
5085 uvoformat (perlxvf.U):
5086 This variable contains the format string used for printing
5087 a Perl UV as an unsigned octal integer.
5090 This variable is the size of a UV in bytes.
5093 This variable contains the C type used for Perl's UV.
5095 uvuformat (perlxvf.U):
5096 This variable contains the format string used for printing
5097 a Perl UV as an unsigned decimal integer.
5099 uvxformat (perlxvf.U):
5100 This variable contains the format string used for printing
5101 a Perl UV as an unsigned hexadecimal integer in lowercase abcdef.
5103 uvXUformat (perlxvf.U):
5104 This variable contains the format string used for printing
5105 a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF.
5107 vaproto (vaproto.U):
5108 This variable conditionally defines CAN_VAPROTO on systems supporting
5109 prototype declaration of functions with a variable number of
5110 arguments. See also prototype.
5112 vendorarch (vendorarch.U):
5113 This variable contains the value of the PERL_VENDORARCH symbol.
5114 It may have a ~ on the front.
5115 The standard distribution will put nothing in this directory.
5116 Vendors who distribute perl may wish to place their own
5117 architecture-dependent modules and extensions in this directory with
5118 MakeMaker Makefile.PL INSTALLDIRS=vendor
5119 or equivalent. See INSTALL for details.
5121 vendorarchexp (vendorarch.U):
5122 This variable is the ~name expanded version of vendorarch, so that you
5123 may use it directly in Makefiles or shell scripts.
5125 vendorbin (vendorbin.U):
5126 This variable contains the eventual value of the VENDORBIN symbol.
5127 It may have a ~ on the front.
5128 The standard distribution will put nothing in this directory.
5129 Vendors who distribute perl may wish to place additional
5130 binaries in this directory with
5131 MakeMaker Makefile.PL INSTALLDIRS=vendor
5132 or equivalent. See INSTALL for details.
5134 vendorbinexp (vendorbin.U):
5135 This variable is the ~name expanded version of vendorbin, so that you
5136 may use it directly in Makefiles or shell scripts.
5138 vendorhtml1dir (vendorhtml1dir.U):
5139 This variable contains the name of the directory for html
5140 pages. It may have a ~ on the front.
5141 The standard distribution will put nothing in this directory.
5142 Vendors who distribute perl may wish to place their own
5143 html pages in this directory with
5144 MakeMaker Makefile.PL INSTALLDIRS=vendor
5145 or equivalent. See INSTALL for details.
5147 vendorhtml1direxp (vendorhtml1dir.U):
5148 This variable is the ~name expanded version of vendorhtml1dir, so that you
5149 may use it directly in Makefiles or shell scripts.
5151 vendorhtml3dir (vendorhtml3dir.U):
5152 This variable contains the name of the directory for html
5153 library pages. It may have a ~ on the front.
5154 The standard distribution will put nothing in this directory.
5155 Vendors who distribute perl may wish to place their own
5156 html pages for modules and extensions in this directory with
5157 MakeMaker Makefile.PL INSTALLDIRS=vendor
5158 or equivalent. See INSTALL for details.
5160 vendorhtml3direxp (vendorhtml3dir.U):
5161 This variable is the ~name expanded version of vendorhtml3dir, so that you
5162 may use it directly in Makefiles or shell scripts.
5164 vendorlib (vendorlib.U):
5165 This variable contains the eventual value of the VENDORLIB symbol,
5166 which is the name of the private library for this package.
5167 The standard distribution will put nothing in this directory.
5168 Vendors who distribute perl may wish to place their own
5169 modules in this directory with
5170 MakeMaker Makefile.PL INSTALLDIRS=vendor
5171 or equivalent. See INSTALL for details.
5173 vendorlib_stem (vendorlib.U):
5174 This variable is $vendorlibexp with any trailing version-specific component
5175 removed. The elements in inc_version_list (inc_version_list.U) can
5176 be tacked onto this variable to generate a list of directories to search.
5178 vendorlibexp (vendorlib.U):
5179 This variable is the ~name expanded version of vendorlib, so that you
5180 may use it directly in Makefiles or shell scripts.
5182 vendorman1dir (vendorman1dir.U):
5183 This variable contains the name of the directory for man1
5184 pages. It may have a ~ on the front.
5185 The standard distribution will put nothing in this directory.
5186 Vendors who distribute perl may wish to place their own
5187 man1 pages in this directory with
5188 MakeMaker Makefile.PL INSTALLDIRS=vendor
5189 or equivalent. See INSTALL for details.
5191 vendorman1direxp (vendorman1dir.U):
5192 This variable is the ~name expanded version of vendorman1dir, so that you
5193 may use it directly in Makefiles or shell scripts.
5195 vendorman3dir (vendorman3dir.U):
5196 This variable contains the name of the directory for man3
5197 pages. It may have a ~ on the front.
5198 The standard distribution will put nothing in this directory.
5199 Vendors who distribute perl may wish to place their own
5200 man3 pages in this directory with
5201 MakeMaker Makefile.PL INSTALLDIRS=vendor
5202 or equivalent. See INSTALL for details.
5204 vendorman3direxp (vendorman3dir.U):
5205 This variable is the ~name expanded version of vendorman3dir, so that you
5206 may use it directly in Makefiles or shell scripts.
5208 vendorprefix (vendorprefix.U):
5209 This variable holds the full absolute path of the directory below
5210 which the vendor will install add-on packages.
5211 See INSTALL for usage and examples.
5213 vendorprefixexp (vendorprefix.U):
5214 This variable holds the full absolute path of the directory below
5215 which the vendor will install add-on packages. Derived from vendorprefix.
5217 vendorscript (vendorscript.U):
5218 This variable contains the eventual value of the VENDORSCRIPT symbol.
5219 It may have a ~ on the front.
5220 The standard distribution will put nothing in this directory.
5221 Vendors who distribute perl may wish to place additional
5222 executable scripts in this directory with
5223 MakeMaker Makefile.PL INSTALLDIRS=vendor
5224 or equivalent. See INSTALL for details.
5226 vendorscriptexp (vendorscript.U):
5227 This variable is the ~name expanded version of vendorscript, so that you
5228 may use it directly in Makefiles or shell scripts.
5230 version (patchlevel.U):
5231 The full version number of this package, such as 5.6.1 (or 5_6_1).
5232 This combines revision, patchlevel, and subversion to get the
5233 full version number, including any possible subversions.
5234 This is suitable for use as a directory name, and hence is
5235 filesystem dependent.
5237 version_patchlevel_string (patchlevel.U):
5238 This is a string combining version, subversion and
5239 perl_patchlevel (if perl_patchlevel is non-zero).
5240 It is typically something like
5241 'version 7 subversion 1' or
5242 'version 7 subversion 1 patchlevel 11224'
5243 It is computed here to avoid duplication of code in myconfig.SH
5246 versiononly (versiononly.U):
5247 If set, this symbol indicates that only the version-specific
5248 components of a perl installation should be installed.
5249 This may be useful for making a test installation of a new
5250 version without disturbing the existing installation.
5251 Setting versiononly is equivalent to setting installperl's -v option.
5252 In particular, the non-versioned scripts and programs such as
5253 a2p, c2ph, h2xs, pod2*, and perldoc are not installed
5254 (see INSTALL for a more complete list). Nor are the man
5256 Usually, this is undef.
5259 This variable is defined but not used by Configure.
5260 The value is the empty string and is not useful.
5262 voidflags (voidflags.U):
5263 This variable contains the eventual value of the VOIDFLAGS symbol,
5264 which indicates how much support of the void type is given by this
5265 compiler. See VOIDFLAGS for more info.
5268 This variable holds extra path (space-separated) used to find
5269 libraries on this platform, for example CPU-specific libraries
5270 (on multi-CPU platforms) may be listed here.
5273 This variable holds the name of the compiler compiler we
5274 want to use in the Makefile. It can be yacc, byacc, or bison -y.
5277 This variable contains any additional yacc flags desired by the
5278 user. It is up to the Makefile to use this.
5281 This variable is defined but not used by Configure.
5282 The value is the empty string and is not useful.
5285 This variable is used internally by Configure to determine the
5286 full pathname (if any) of the zip program. After Configure runs,
5287 the value is reset to a plain "zip" and is not useful.