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 contains (contains.U):
288 This variable holds the command to do a grep with a proper return
289 status. On most sane systems it is simply "grep". On insane systems
290 it is a grep followed by a cat followed by a test. This variable
291 is primarily for the use of other Configure units.
294 This variable is used internally by Configure to determine the
295 full pathname (if any) of the cp program. After Configure runs,
296 the value is reset to a plain "cp" and is not useful.
299 This variable is defined but not used by Configure.
300 The value is the empty string and is not useful.
303 This variable is used internally by Configure to determine the
304 full pathname (if any) of the cpp program. After Configure runs,
305 the value is reset to a plain "cpp" and is not useful.
307 cpp_stuff (cpp_stuff.U):
308 This variable contains an identification of the concatenation mechanism
309 used by the C preprocessor.
311 cppccsymbols (Cppsym.U):
312 The variable contains the symbols defined by the C compiler
313 when it calls cpp. The symbols defined by the cc alone or cpp
314 alone are not in this list, see ccsymbols and cppsymbols.
315 The list is a space-separated list of symbol=value tokens.
317 cppflags (ccflags.U):
318 This variable holds the flags that will be passed to the C pre-
319 processor. It is up to the Makefile to use it.
321 cpplast (cppstdin.U):
322 This variable has the same functionality as cppminus, only it applies
323 to cpprun and not cppstdin.
325 cppminus (cppstdin.U):
326 This variable contains the second part of the string which will invoke
327 the C preprocessor on the standard input and produce to standard
328 output. This variable will have the value "-" if cppstdin needs
329 a minus to specify standard input, otherwise the value is "".
332 This variable contains the command which will invoke a C preprocessor
333 on standard input and put the output to stdout. It is guaranteed not
334 to be a wrapper and may be a null string if no preprocessor can be
335 made directly available. This preprocessor might be different from the
336 one used by the C compiler. Don't forget to append cpplast after the
337 preprocessor options.
339 cppstdin (cppstdin.U):
340 This variable contains the command which will invoke the C
341 preprocessor on standard input and put the output to stdout.
342 It is primarily used by other Configure units that ask about
343 preprocessor symbols.
345 cppsymbols (Cppsym.U):
346 The variable contains the symbols defined by the C preprocessor
347 alone. The symbols defined by cc or by cc when it calls cpp are
348 not in this list, see ccsymbols and cppccsymbols.
349 The list is a space-separated list of symbol=value tokens.
351 crypt_r_proto (d_crypt_r.U):
352 This variable encodes the prototype of crypt_r.
353 It is zero if d_crypt_r is undef, and one of the
354 REENTRANT_PROTO_T_ABC macros of reentr.h if d_crypt_r
357 cryptlib (d_crypt.U):
358 This variable holds -lcrypt or the path to a libcrypt.a archive if
359 the crypt() function is not defined in the standard C library. It is
360 up to the Makefile to use this.
363 This variable is used internally by Configure to determine the
364 full pathname (if any) of the csh program. After Configure runs,
365 the value is reset to a plain "csh" and is not useful.
367 ctermid_r_proto (d_ctermid_r.U):
368 This variable encodes the prototype of ctermid_r.
369 It is zero if d_ctermid_r is undef, and one of the
370 REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctermid_r
373 ctime_r_proto (d_ctime_r.U):
374 This variable encodes the prototype of ctime_r.
375 It is zero if d_ctime_r is undef, and one of the
376 REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctime_r
379 d__fwalk (d__fwalk.U):
380 This variable conditionally defines HAS__FWALK if _fwalk() is
381 available to apply a function to all the file handles.
383 d_access (d_access.U):
384 This variable conditionally defines HAS_ACCESS if the access() system
385 call is available to check for access permissions using real IDs.
387 d_accessx (d_accessx.U):
388 This variable conditionally defines the HAS_ACCESSX symbol, which
389 indicates to the C program that the accessx() routine is available.
392 This variable conditionally defines the HAS_AINTL symbol, which
393 indicates to the C program that the aintl() routine is available.
394 If copysignl is also present we can emulate modfl.
397 This variable conditionally defines the HAS_ALARM symbol, which
398 indicates to the C program that the alarm() routine is available.
400 d_archlib (archlib.U):
401 This variable conditionally defines ARCHLIB to hold the pathname
402 of architecture-dependent library files for $package. If
403 $archlib is the same as $privlib, then this is set to undef.
405 d_asctime64 (d_timefuncs64.U):
406 This variable conditionally defines the HAS_ASCTIME64 symbol, which
407 indicates to the C program that the asctime64 () routine is available.
409 d_asctime_r (d_asctime_r.U):
410 This variable conditionally defines the HAS_ASCTIME_R symbol,
411 which indicates to the C program that the asctime_r()
412 routine is available.
415 This variable conditionally defines the HAS_ATOLF symbol, which
416 indicates to the C program that the atolf() routine is available.
419 This variable conditionally defines the HAS_ATOLL symbol, which
420 indicates to the C program that the atoll() routine is available.
422 d_attribute_deprecated (d_attribut.U):
423 This variable conditionally defines HASATTRIBUTE_DEPRECATED, which
424 indicates that GCC can handle the attribute for marking deprecated
427 d_attribute_format (d_attribut.U):
428 This variable conditionally defines HASATTRIBUTE_FORMAT, which
429 indicates the C compiler can check for printf-like formats.
431 d_attribute_malloc (d_attribut.U):
432 This variable conditionally defines HASATTRIBUTE_MALLOC, which
433 indicates the C compiler can understand functions as having
434 malloc-like semantics.
436 d_attribute_nonnull (d_attribut.U):
437 This variable conditionally defines HASATTRIBUTE_NONNULL, which
438 indicates that the C compiler can know that certain arguments
439 must not be NULL, and will check accordingly at compile time.
441 d_attribute_noreturn (d_attribut.U):
442 This variable conditionally defines HASATTRIBUTE_NORETURN, which
443 indicates that the C compiler can know that certain functions
444 are guaranteed never to return.
446 d_attribute_pure (d_attribut.U):
447 This variable conditionally defines HASATTRIBUTE_PURE, which
448 indicates that the C compiler can know that certain functions
449 are "pure" functions, meaning that they have no side effects, and
450 only rely on function input and/or global data for their results.
452 d_attribute_unused (d_attribut.U):
453 This variable conditionally defines HASATTRIBUTE_UNUSED, which
454 indicates that the C compiler can know that certain variables
455 and arguments may not always be used, and to not throw warnings
456 if they don't get used.
458 d_attribute_warn_unused_result (d_attribut.U):
459 This variable conditionally defines
460 HASATTRIBUTE_WARN_UNUSED_RESULT, which indicates that the C
461 compiler can know that certain functions have a return values
462 that must not be ignored, such as malloc() or open().
465 This variable conditionally defines the HAS_BCMP symbol if
466 the bcmp() routine is available to compare strings.
469 This variable conditionally defines the HAS_BCOPY symbol if
470 the bcopy() routine is available to copy strings.
473 This symbol conditionally defines the symbol BSD when running on a
476 d_bsdgetpgrp (d_getpgrp.U):
477 This variable conditionally defines USE_BSD_GETPGRP if
478 getpgrp needs one arguments whereas USG one needs none.
480 d_bsdsetpgrp (d_setpgrp.U):
481 This variable conditionally defines USE_BSD_SETPGRP if
482 setpgrp needs two arguments whereas USG one needs none.
483 See also d_setpgid for a POSIX interface.
485 d_builtin_choose_expr (d_builtin.U):
486 This conditionally defines HAS_BUILTIN_CHOOSE_EXPR, which
487 indicates that the compiler supports __builtin_choose_expr(x,y,z).
488 This built-in function is analogous to the "x?y:z" operator in C,
489 except that the expression returned has its type unaltered by
490 promotion rules. Also, the built-in function does not evaluate
491 the expression that was not chosen.
493 d_builtin_expect (d_builtin.U):
494 This conditionally defines HAS_BUILTIN_EXPECT, which indicates
495 that the compiler supports __builtin_expect(exp,c). You may use
496 __builtin_expect to provide the compiler with branch prediction
500 This variable conditionally defines the HAS_BZERO symbol if
501 the bzero() routine is available to set memory to 0.
503 d_c99_variadic_macros (d_c99_variadic.U):
504 This variable conditionally defines the HAS_C99_VARIADIC_MACROS
505 symbol, which indicates to the C program that C99 variadic macros
508 d_casti32 (d_casti32.U):
509 This variable conditionally defines CASTI32, which indicates
510 whether the C compiler can cast large floats to 32-bit ints.
512 d_castneg (d_castneg.U):
513 This variable conditionally defines CASTNEG, which indicates
514 wether the C compiler can cast negative float to unsigned.
516 d_charvspr (d_vprintf.U):
517 This variable conditionally defines CHARVSPRINTF if this system
518 has vsprintf returning type (char*). The trend seems to be to
519 declare it as "int vsprintf()".
522 This variable conditionally defines the HAS_CHOWN symbol, which
523 indicates to the C program that the chown() routine is available.
525 d_chroot (d_chroot.U):
526 This variable conditionally defines the HAS_CHROOT symbol, which
527 indicates to the C program that the chroot() routine is available.
529 d_chsize (d_chsize.U):
530 This variable conditionally defines the CHSIZE symbol, which
531 indicates to the C program that the chsize() routine is available
532 to truncate files. You might need a -lx to get this routine.
535 This variable conditionally defines the HAS_CLASS symbol, which
536 indicates to the C program that the class() routine is available.
538 d_clearenv (d_clearenv.U):
539 This variable conditionally defines the HAS_CLEARENV symbol, which
540 indicates to the C program that the clearenv () routine is available.
542 d_closedir (d_closedir.U):
543 This variable conditionally defines HAS_CLOSEDIR if closedir() is
546 d_cmsghdr_s (d_cmsghdr_s.U):
547 This variable conditionally defines the HAS_STRUCT_CMSGHDR symbol,
548 which indicates that the struct cmsghdr is supported.
551 This variable conditionally defines the HASCONST symbol, which
552 indicates to the C program that this C compiler knows about the
555 d_copysignl (d_copysignl.U):
556 This variable conditionally defines the HAS_COPYSIGNL symbol, which
557 indicates to the C program that the copysignl() routine is available.
558 If aintl is also present we can emulate modfl.
560 d_cplusplus (d_cplusplus.U):
561 This variable conditionally defines the USE_CPLUSPLUS symbol, which
562 indicates that a C++ compiler was used to compiled Perl and will be
563 used to compile extensions.
566 This variable conditionally defines the CRYPT symbol, which
567 indicates to the C program that the crypt() routine is available
568 to encrypt passwords and the like.
570 d_crypt_r (d_crypt_r.U):
571 This variable conditionally defines the HAS_CRYPT_R symbol,
572 which indicates to the C program that the crypt_r()
573 routine is available.
576 This variable conditionally defines the CSH symbol, which
577 indicates to the C program that the C-shell exists.
579 d_ctermid (d_ctermid.U):
580 This variable conditionally defines CTERMID if ctermid() is
581 available to generate filename for terminal.
583 d_ctermid_r (d_ctermid_r.U):
584 This variable conditionally defines the HAS_CTERMID_R symbol,
585 which indicates to the C program that the ctermid_r()
586 routine is available.
588 d_ctime64 (d_timefuncs64.U):
589 This variable conditionally defines the HAS_CTIME64 symbol, which
590 indicates to the C program that the ctime64 () routine is available.
592 d_ctime_r (d_ctime_r.U):
593 This variable conditionally defines the HAS_CTIME_R symbol,
594 which indicates to the C program that the ctime_r()
595 routine is available.
597 d_cuserid (d_cuserid.U):
598 This variable conditionally defines the HAS_CUSERID symbol, which
599 indicates to the C program that the cuserid() routine is available
600 to get character login names.
602 d_dbl_dig (d_dbl_dig.U):
603 This variable conditionally defines d_dbl_dig if this system's
604 header files provide DBL_DIG, which is the number of significant
605 digits in a double precision number.
607 d_dbminitproto (d_dbminitproto.U):
608 This variable conditionally defines the HAS_DBMINIT_PROTO symbol,
609 which indicates to the C program that the system provides
610 a prototype for the dbminit() function. Otherwise, it is
611 up to the program to supply one.
613 d_difftime (d_difftime.U):
614 This variable conditionally defines the HAS_DIFFTIME symbol, which
615 indicates to the C program that the difftime() routine is available.
617 d_difftime64 (d_timefuncs64.U):
618 This variable conditionally defines the HAS_DIFFTIME64 symbol, which
619 indicates to the C program that the difftime64 () routine is available.
621 d_dir_dd_fd (d_dir_dd_fd.U):
622 This variable conditionally defines the HAS_DIR_DD_FD symbol, which
623 indicates that the DIR directory stream type contains a member
624 variable called dd_fd.
627 This variable conditionally defines the HAS_DIRFD constant,
628 which indicates to the C program that dirfd() is available
629 to return the file descriptor of a directory stream.
631 d_dirnamlen (i_dirent.U):
632 This variable conditionally defines DIRNAMLEN, which indicates
633 to the C program that the length of directory entry names is
634 provided by a d_namelen field.
636 d_dlerror (d_dlerror.U):
637 This variable conditionally defines the HAS_DLERROR symbol, which
638 indicates to the C program that the dlerror() routine is available.
640 d_dlopen (d_dlopen.U):
641 This variable conditionally defines the HAS_DLOPEN symbol, which
642 indicates to the C program that the dlopen() routine is available.
644 d_dlsymun (d_dlsymun.U):
645 This variable conditionally defines DLSYM_NEEDS_UNDERSCORE, which
646 indicates that we need to prepend an underscore to the symbol
647 name before calling dlsym().
649 d_dosuid (d_dosuid.U):
650 This variable conditionally defines the symbol DOSUID, which
651 tells the C program that it should insert setuid emulation code
652 on hosts which have setuid #! scripts disabled.
654 d_drand48_r (d_drand48_r.U):
655 This variable conditionally defines the HAS_DRAND48_R symbol,
656 which indicates to the C program that the drand48_r()
657 routine is available.
659 d_drand48proto (d_drand48proto.U):
660 This variable conditionally defines the HAS_DRAND48_PROTO symbol,
661 which indicates to the C program that the system provides
662 a prototype for the drand48() function. Otherwise, it is
663 up to the program to supply one.
666 This variable conditionally defines HAS_DUP2 if dup2() is
667 available to duplicate file descriptors.
669 d_eaccess (d_eaccess.U):
670 This variable conditionally defines the HAS_EACCESS symbol, which
671 indicates to the C program that the eaccess() routine is available.
673 d_endgrent (d_endgrent.U):
674 This variable conditionally defines the HAS_ENDGRENT symbol, which
675 indicates to the C program that the endgrent() routine is available
676 for sequential access of the group database.
678 d_endgrent_r (d_endgrent_r.U):
679 This variable conditionally defines the HAS_ENDGRENT_R symbol,
680 which indicates to the C program that the endgrent_r()
681 routine is available.
683 d_endhent (d_endhent.U):
684 This variable conditionally defines HAS_ENDHOSTENT if endhostent() is
685 available to close whatever was being used for host queries.
687 d_endhostent_r (d_endhostent_r.U):
688 This variable conditionally defines the HAS_ENDHOSTENT_R symbol,
689 which indicates to the C program that the endhostent_r()
690 routine is available.
692 d_endnent (d_endnent.U):
693 This variable conditionally defines HAS_ENDNETENT if endnetent() is
694 available to close whatever was being used for network queries.
696 d_endnetent_r (d_endnetent_r.U):
697 This variable conditionally defines the HAS_ENDNETENT_R symbol,
698 which indicates to the C program that the endnetent_r()
699 routine is available.
701 d_endpent (d_endpent.U):
702 This variable conditionally defines HAS_ENDPROTOENT if endprotoent() is
703 available to close whatever was being used for protocol queries.
705 d_endprotoent_r (d_endprotoent_r.U):
706 This variable conditionally defines the HAS_ENDPROTOENT_R symbol,
707 which indicates to the C program that the endprotoent_r()
708 routine is available.
710 d_endpwent (d_endpwent.U):
711 This variable conditionally defines the HAS_ENDPWENT symbol, which
712 indicates to the C program that the endpwent() routine is available
713 for sequential access of the passwd database.
715 d_endpwent_r (d_endpwent_r.U):
716 This variable conditionally defines the HAS_ENDPWENT_R symbol,
717 which indicates to the C program that the endpwent_r()
718 routine is available.
720 d_endsent (d_endsent.U):
721 This variable conditionally defines HAS_ENDSERVENT if endservent() is
722 available to close whatever was being used for service queries.
724 d_endservent_r (d_endservent_r.U):
725 This variable conditionally defines the HAS_ENDSERVENT_R symbol,
726 which indicates to the C program that the endservent_r()
727 routine is available.
729 d_eofnblk (nblock_io.U):
730 This variable conditionally defines EOF_NONBLOCK if EOF can be seen
731 when reading from a non-blocking I/O source.
734 This variable conditionally defines the symbols EUNICE and VAX, which
735 alerts the C program that it must deal with ideosyncracies of VMS.
737 d_faststdio (d_faststdio.U):
738 This variable conditionally defines the HAS_FAST_STDIO symbol,
739 which indicates to the C program that the "fast stdio" is available
740 to manipulate the stdio buffers directly.
742 d_fchdir (d_fchdir.U):
743 This variable conditionally defines the HAS_FCHDIR symbol, which
744 indicates to the C program that the fchdir() routine is available.
746 d_fchmod (d_fchmod.U):
747 This variable conditionally defines the HAS_FCHMOD symbol, which
748 indicates to the C program that the fchmod() routine is available
749 to change mode of opened files.
751 d_fchown (d_fchown.U):
752 This variable conditionally defines the HAS_FCHOWN symbol, which
753 indicates to the C program that the fchown() routine is available
754 to change ownership of opened files.
757 This variable conditionally defines the HAS_FCNTL symbol, and indicates
758 whether the fcntl() function exists
760 d_fcntl_can_lock (d_fcntl_can_lock.U):
761 This variable conditionally defines the FCNTL_CAN_LOCK symbol
762 and indicates whether file locking with fcntl() works.
764 d_fd_macros (d_fd_set.U):
765 This variable contains the eventual value of the HAS_FD_MACROS symbol,
766 which indicates if your C compiler knows about the macros which
767 manipulate an fd_set.
769 d_fd_set (d_fd_set.U):
770 This variable contains the eventual value of the HAS_FD_SET symbol,
771 which indicates if your C compiler knows about the fd_set typedef.
773 d_fds_bits (d_fd_set.U):
774 This variable contains the eventual value of the HAS_FDS_BITS symbol,
775 which indicates if your fd_set typedef contains the fds_bits member.
776 If you have an fd_set typedef, but the dweebs who installed it did
777 a half-fast job and neglected to provide the macros to manipulate
778 an fd_set, HAS_FDS_BITS will let us know how to fix the gaffe.
780 d_fgetpos (d_fgetpos.U):
781 This variable conditionally defines HAS_FGETPOS if fgetpos() is
782 available to get the file position indicator.
784 d_finite (d_finite.U):
785 This variable conditionally defines the HAS_FINITE symbol, which
786 indicates to the C program that the finite() routine is available.
788 d_finitel (d_finitel.U):
789 This variable conditionally defines the HAS_FINITEL symbol, which
790 indicates to the C program that the finitel() routine is available.
792 d_flexfnam (d_flexfnam.U):
793 This variable conditionally defines the FLEXFILENAMES symbol, which
794 indicates that the system supports filenames longer than 14 characters.
797 This variable conditionally defines HAS_FLOCK if flock() is
798 available to do file locking.
800 d_flockproto (d_flockproto.U):
801 This variable conditionally defines the HAS_FLOCK_PROTO symbol,
802 which indicates to the C program that the system provides
803 a prototype for the flock() function. Otherwise, it is
804 up to the program to supply one.
807 This variable conditionally defines the HAS_FORK symbol, which
808 indicates to the C program that the fork() routine is available.
810 d_fp_class (d_fp_class.U):
811 This variable conditionally defines the HAS_FP_CLASS symbol, which
812 indicates to the C program that the fp_class() routine is available.
814 d_fpathconf (d_pathconf.U):
815 This variable conditionally defines the HAS_FPATHCONF symbol, which
816 indicates to the C program that the pathconf() routine is available
817 to determine file-system related limits and options associated
818 with a given open file descriptor.
820 d_fpclass (d_fpclass.U):
821 This variable conditionally defines the HAS_FPCLASS symbol, which
822 indicates to the C program that the fpclass() routine is available.
824 d_fpclassify (d_fpclassify.U):
825 This variable conditionally defines the HAS_FPCLASSIFY symbol, which
826 indicates to the C program that the fpclassify() routine is available.
828 d_fpclassl (d_fpclassl.U):
829 This variable conditionally defines the HAS_FPCLASSL symbol, which
830 indicates to the C program that the fpclassl() routine is available.
832 d_fpos64_t (d_fpos64_t.U):
833 This symbol will be defined if the C compiler supports fpos64_t.
835 d_frexpl (d_frexpl.U):
836 This variable conditionally defines the HAS_FREXPL symbol, which
837 indicates to the C program that the frexpl() routine is available.
839 d_fs_data_s (d_fs_data_s.U):
840 This variable conditionally defines the HAS_STRUCT_FS_DATA symbol,
841 which indicates that the struct fs_data is supported.
843 d_fseeko (d_fseeko.U):
844 This variable conditionally defines the HAS_FSEEKO symbol, which
845 indicates to the C program that the fseeko() routine is available.
847 d_fsetpos (d_fsetpos.U):
848 This variable conditionally defines HAS_FSETPOS if fsetpos() is
849 available to set the file position indicator.
851 d_fstatfs (d_fstatfs.U):
852 This variable conditionally defines the HAS_FSTATFS symbol, which
853 indicates to the C program that the fstatfs() routine is available.
855 d_fstatvfs (d_statvfs.U):
856 This variable conditionally defines the HAS_FSTATVFS symbol, which
857 indicates to the C program that the fstatvfs() routine is available.
860 This variable conditionally defines the HAS_FSYNC symbol, which
861 indicates to the C program that the fsync() routine is available.
863 d_ftello (d_ftello.U):
864 This variable conditionally defines the HAS_FTELLO symbol, which
865 indicates to the C program that the ftello() routine is available.
868 This variable conditionally defines the HAS_FTIME symbol, which indicates
869 that the ftime() routine exists. The ftime() routine is basically
870 a sub-second accuracy clock.
872 d_futimes (d_futimes.U):
873 This variable conditionally defines the HAS_FUTIMES symbol, which
874 indicates to the C program that the futimes() routine is available.
876 d_Gconvert (d_gconvert.U):
877 This variable holds what Gconvert is defined as to convert
878 floating point numbers into strings. By default, Configure
879 sets this macro to use the first of gconvert, gcvt, or sprintf
880 that pass sprintf-%g-like behaviour tests. If perl is using
881 long doubles, the macro uses the first of the following
882 functions that pass Configure's tests: qgcvt, sprintf (if
883 Configure knows how to make sprintf format long doubles--see
884 sPRIgldbl), gconvert, gcvt, and sprintf (casting to double).
885 The gconvert_preference and gconvert_ld_preference variables
886 can be used to alter Configure's preferences, for doubles and
887 long doubles, respectively. If present, they contain a
888 space-separated list of one or more of the above function
889 names in the order they should be tried.
891 d_Gconvert may be set to override Configure with a platform-
892 specific function. If this function expects a double, a
893 different value may need to be set by the uselongdouble.cbu
894 call-back unit so that long doubles can be formatted without
897 d_gdbm_ndbm_h_uses_prototypes (i_ndbm.U):
898 This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
899 which indicates that the gdbm-ndbm.h include file uses real ANSI C
900 prototypes instead of K&R style function declarations. K&R style
901 declarations are unsupported in C++, so the include file requires
902 special handling when using a C++ compiler and this variable is
903 undefined. Consult the different d_*ndbm_h_uses_prototypes variables
904 to get the same information for alternative ndbm.h include files.
906 d_gdbmndbm_h_uses_prototypes (i_ndbm.U):
907 This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
908 which indicates that the gdbm/ndbm.h include file uses real ANSI C
909 prototypes instead of K&R style function declarations. K&R style
910 declarations are unsupported in C++, so the include file requires
911 special handling when using a C++ compiler and this variable is
912 undefined. Consult the different d_*ndbm_h_uses_prototypes variables
913 to get the same information for alternative ndbm.h include files.
915 d_getaddrinfo (d_getaddrinfo.U):
916 This variable conditionally defines the HAS_GETADDRINFO symbol,
917 which indicates to the C program that the getaddrinfo() function
920 d_getcwd (d_getcwd.U):
921 This variable conditionally defines the HAS_GETCWD symbol, which
922 indicates to the C program that the getcwd() routine is available
923 to get the current working directory.
925 d_getespwnam (d_getespwnam.U):
926 This variable conditionally defines HAS_GETESPWNAM if getespwnam() is
927 available to retrieve enchanced (shadow) password entries by name.
929 d_getfsstat (d_getfsstat.U):
930 This variable conditionally defines the HAS_GETFSSTAT symbol, which
931 indicates to the C program that the getfsstat() routine is available.
933 d_getgrent (d_getgrent.U):
934 This variable conditionally defines the HAS_GETGRENT symbol, which
935 indicates to the C program that the getgrent() routine is available
936 for sequential access of the group database.
938 d_getgrent_r (d_getgrent_r.U):
939 This variable conditionally defines the HAS_GETGRENT_R symbol,
940 which indicates to the C program that the getgrent_r()
941 routine is available.
943 d_getgrgid_r (d_getgrgid_r.U):
944 This variable conditionally defines the HAS_GETGRGID_R symbol,
945 which indicates to the C program that the getgrgid_r()
946 routine is available.
948 d_getgrnam_r (d_getgrnam_r.U):
949 This variable conditionally defines the HAS_GETGRNAM_R symbol,
950 which indicates to the C program that the getgrnam_r()
951 routine is available.
953 d_getgrps (d_getgrps.U):
954 This variable conditionally defines the HAS_GETGROUPS symbol, which
955 indicates to the C program that the getgroups() routine is available
956 to get the list of process groups.
958 d_gethbyaddr (d_gethbyad.U):
959 This variable conditionally defines the HAS_GETHOSTBYADDR symbol, which
960 indicates to the C program that the gethostbyaddr() routine is available
961 to look up hosts by their IP addresses.
963 d_gethbyname (d_gethbynm.U):
964 This variable conditionally defines the HAS_GETHOSTBYNAME symbol, which
965 indicates to the C program that the gethostbyname() routine is available
966 to look up host names in some data base or other.
968 d_gethent (d_gethent.U):
969 This variable conditionally defines HAS_GETHOSTENT if gethostent() is
970 available to look up host names in some data base or another.
972 d_gethname (d_gethname.U):
973 This variable conditionally defines the HAS_GETHOSTNAME symbol, which
974 indicates to the C program that the gethostname() routine may be
975 used to derive the host name.
977 d_gethostbyaddr_r (d_gethostbyaddr_r.U):
978 This variable conditionally defines the HAS_GETHOSTBYADDR_R symbol,
979 which indicates to the C program that the gethostbyaddr_r()
980 routine is available.
982 d_gethostbyname_r (d_gethostbyname_r.U):
983 This variable conditionally defines the HAS_GETHOSTBYNAME_R symbol,
984 which indicates to the C program that the gethostbyname_r()
985 routine is available.
987 d_gethostent_r (d_gethostent_r.U):
988 This variable conditionally defines the HAS_GETHOSTENT_R symbol,
989 which indicates to the C program that the gethostent_r()
990 routine is available.
992 d_gethostprotos (d_gethostprotos.U):
993 This variable conditionally defines the HAS_GETHOST_PROTOS symbol,
994 which indicates to the C program that <netdb.h> supplies
995 prototypes for the various gethost*() functions.
996 See also netdbtype.U for probing for various netdb types.
998 d_getitimer (d_getitimer.U):
999 This variable conditionally defines the HAS_GETITIMER symbol, which
1000 indicates to the C program that the getitimer() routine is available.
1002 d_getlogin (d_getlogin.U):
1003 This variable conditionally defines the HAS_GETLOGIN symbol, which
1004 indicates to the C program that the getlogin() routine is available
1005 to get the login name.
1007 d_getlogin_r (d_getlogin_r.U):
1008 This variable conditionally defines the HAS_GETLOGIN_R symbol,
1009 which indicates to the C program that the getlogin_r()
1010 routine is available.
1012 d_getmnt (d_getmnt.U):
1013 This variable conditionally defines the HAS_GETMNT symbol, which
1014 indicates to the C program that the getmnt() routine is available
1015 to retrieve one or more mount info blocks by filename.
1017 d_getmntent (d_getmntent.U):
1018 This variable conditionally defines the HAS_GETMNTENT symbol, which
1019 indicates to the C program that the getmntent() routine is available
1020 to iterate through mounted files to get their mount info.
1022 d_getnameinfo (d_getnameinfo.U):
1023 This variable conditionally defines the HAS_GETNAMEINFO symbol,
1024 which indicates to the C program that the getnameinfo() function
1027 d_getnbyaddr (d_getnbyad.U):
1028 This variable conditionally defines the HAS_GETNETBYADDR symbol, which
1029 indicates to the C program that the getnetbyaddr() routine is available
1030 to look up networks by their IP addresses.
1032 d_getnbyname (d_getnbynm.U):
1033 This variable conditionally defines the HAS_GETNETBYNAME symbol, which
1034 indicates to the C program that the getnetbyname() routine is available
1035 to look up networks by their names.
1037 d_getnent (d_getnent.U):
1038 This variable conditionally defines HAS_GETNETENT if getnetent() is
1039 available to look up network names in some data base or another.
1041 d_getnetbyaddr_r (d_getnetbyaddr_r.U):
1042 This variable conditionally defines the HAS_GETNETBYADDR_R symbol,
1043 which indicates to the C program that the getnetbyaddr_r()
1044 routine is available.
1046 d_getnetbyname_r (d_getnetbyname_r.U):
1047 This variable conditionally defines the HAS_GETNETBYNAME_R symbol,
1048 which indicates to the C program that the getnetbyname_r()
1049 routine is available.
1051 d_getnetent_r (d_getnetent_r.U):
1052 This variable conditionally defines the HAS_GETNETENT_R symbol,
1053 which indicates to the C program that the getnetent_r()
1054 routine is available.
1056 d_getnetprotos (d_getnetprotos.U):
1057 This variable conditionally defines the HAS_GETNET_PROTOS symbol,
1058 which indicates to the C program that <netdb.h> supplies
1059 prototypes for the various getnet*() functions.
1060 See also netdbtype.U for probing for various netdb types.
1062 d_getpagsz (d_getpagsz.U):
1063 This variable conditionally defines HAS_GETPAGESIZE if getpagesize()
1064 is available to get the system page size.
1066 d_getpbyname (d_getprotby.U):
1067 This variable conditionally defines the HAS_GETPROTOBYNAME
1068 symbol, which indicates to the C program that the
1069 getprotobyname() routine is available to look up protocols
1072 d_getpbynumber (d_getprotby.U):
1073 This variable conditionally defines the HAS_GETPROTOBYNUMBER
1074 symbol, which indicates to the C program that the
1075 getprotobynumber() routine is available to look up protocols
1078 d_getpent (d_getpent.U):
1079 This variable conditionally defines HAS_GETPROTOENT if getprotoent() is
1080 available to look up protocols in some data base or another.
1082 d_getpgid (d_getpgid.U):
1083 This variable conditionally defines the HAS_GETPGID symbol, which
1084 indicates to the C program that the getpgid(pid) function
1085 is available to get the process group id.
1087 d_getpgrp (d_getpgrp.U):
1088 This variable conditionally defines HAS_GETPGRP if getpgrp() is
1089 available to get the current process group.
1091 d_getpgrp2 (d_getpgrp2.U):
1092 This variable conditionally defines the HAS_GETPGRP2 symbol, which
1093 indicates to the C program that the getpgrp2() (as in DG/UX) routine
1094 is available to get the current process group.
1096 d_getppid (d_getppid.U):
1097 This variable conditionally defines the HAS_GETPPID symbol, which
1098 indicates to the C program that the getppid() routine is available
1099 to get the parent process ID.
1101 d_getprior (d_getprior.U):
1102 This variable conditionally defines HAS_GETPRIORITY if getpriority()
1103 is available to get a process's priority.
1105 d_getprotobyname_r (d_getprotobyname_r.U):
1106 This variable conditionally defines the HAS_GETPROTOBYNAME_R symbol,
1107 which indicates to the C program that the getprotobyname_r()
1108 routine is available.
1110 d_getprotobynumber_r (d_getprotobynumber_r.U):
1111 This variable conditionally defines the HAS_GETPROTOBYNUMBER_R symbol,
1112 which indicates to the C program that the getprotobynumber_r()
1113 routine is available.
1115 d_getprotoent_r (d_getprotoent_r.U):
1116 This variable conditionally defines the HAS_GETPROTOENT_R symbol,
1117 which indicates to the C program that the getprotoent_r()
1118 routine is available.
1120 d_getprotoprotos (d_getprotoprotos.U):
1121 This variable conditionally defines the HAS_GETPROTO_PROTOS symbol,
1122 which indicates to the C program that <netdb.h> supplies
1123 prototypes for the various getproto*() functions.
1124 See also netdbtype.U for probing for various netdb types.
1126 d_getprpwnam (d_getprpwnam.U):
1127 This variable conditionally defines HAS_GETPRPWNAM if getprpwnam() is
1128 available to retrieve protected (shadow) password entries by name.
1130 d_getpwent (d_getpwent.U):
1131 This variable conditionally defines the HAS_GETPWENT symbol, which
1132 indicates to the C program that the getpwent() routine is available
1133 for sequential access of the passwd database.
1135 d_getpwent_r (d_getpwent_r.U):
1136 This variable conditionally defines the HAS_GETPWENT_R symbol,
1137 which indicates to the C program that the getpwent_r()
1138 routine is available.
1140 d_getpwnam_r (d_getpwnam_r.U):
1141 This variable conditionally defines the HAS_GETPWNAM_R symbol,
1142 which indicates to the C program that the getpwnam_r()
1143 routine is available.
1145 d_getpwuid_r (d_getpwuid_r.U):
1146 This variable conditionally defines the HAS_GETPWUID_R symbol,
1147 which indicates to the C program that the getpwuid_r()
1148 routine is available.
1150 d_getsbyname (d_getsrvby.U):
1151 This variable conditionally defines the HAS_GETSERVBYNAME
1152 symbol, which indicates to the C program that the
1153 getservbyname() routine is available to look up services
1156 d_getsbyport (d_getsrvby.U):
1157 This variable conditionally defines the HAS_GETSERVBYPORT
1158 symbol, which indicates to the C program that the
1159 getservbyport() routine is available to look up services
1162 d_getsent (d_getsent.U):
1163 This variable conditionally defines HAS_GETSERVENT if getservent() is
1164 available to look up network services in some data base or another.
1166 d_getservbyname_r (d_getservbyname_r.U):
1167 This variable conditionally defines the HAS_GETSERVBYNAME_R symbol,
1168 which indicates to the C program that the getservbyname_r()
1169 routine is available.
1171 d_getservbyport_r (d_getservbyport_r.U):
1172 This variable conditionally defines the HAS_GETSERVBYPORT_R symbol,
1173 which indicates to the C program that the getservbyport_r()
1174 routine is available.
1176 d_getservent_r (d_getservent_r.U):
1177 This variable conditionally defines the HAS_GETSERVENT_R symbol,
1178 which indicates to the C program that the getservent_r()
1179 routine is available.
1181 d_getservprotos (d_getservprotos.U):
1182 This variable conditionally defines the HAS_GETSERV_PROTOS symbol,
1183 which indicates to the C program that <netdb.h> supplies
1184 prototypes for the various getserv*() functions.
1185 See also netdbtype.U for probing for various netdb types.
1187 d_getspnam (d_getspnam.U):
1188 This variable conditionally defines HAS_GETSPNAM if getspnam() is
1189 available to retrieve SysV shadow password entries by name.
1191 d_getspnam_r (d_getspnam_r.U):
1192 This variable conditionally defines the HAS_GETSPNAM_R symbol,
1193 which indicates to the C program that the getspnam_r()
1194 routine is available.
1196 d_gettimeod (d_ftime.U):
1197 This variable conditionally defines the HAS_GETTIMEOFDAY symbol, which
1198 indicates that the gettimeofday() system call exists (to obtain a
1199 sub-second accuracy clock). You should probably include <sys/resource.h>.
1201 d_gmtime64 (d_timefuncs64.U):
1202 This variable conditionally defines the HAS_GMTIME64 symbol, which
1203 indicates to the C program that the gmtime64 () routine is available.
1205 d_gmtime_r (d_gmtime_r.U):
1206 This variable conditionally defines the HAS_GMTIME_R symbol,
1207 which indicates to the C program that the gmtime_r()
1208 routine is available.
1210 d_gnulibc (d_gnulibc.U):
1211 Defined if we're dealing with the GNU C Library.
1213 d_grpasswd (i_grp.U):
1214 This variable conditionally defines GRPASSWD, which indicates
1215 that struct group in <grp.h> contains gr_passwd.
1217 d_hasmntopt (d_hasmntopt.U):
1218 This variable conditionally defines the HAS_HASMNTOPT symbol, which
1219 indicates to the C program that the hasmntopt() routine is available
1220 to query the mount options of file systems.
1222 d_htonl (d_htonl.U):
1223 This variable conditionally defines HAS_HTONL if htonl() and its
1224 friends are available to do network order byte swapping.
1226 d_ilogbl (d_ilogbl.U):
1227 This variable conditionally defines the HAS_ILOGBL symbol, which
1228 indicates to the C program that the ilogbl() routine is available.
1229 If scalbnl is also present we can emulate frexpl.
1231 d_inc_version_list (inc_version_list.U):
1232 This variable conditionally defines PERL_INC_VERSION_LIST.
1233 It is set to undef when PERL_INC_VERSION_LIST is empty.
1235 d_index (d_strchr.U):
1236 This variable conditionally defines HAS_INDEX if index() and
1237 rindex() are available for string searching.
1239 d_inetaton (d_inetaton.U):
1240 This variable conditionally defines the HAS_INET_ATON symbol, which
1241 indicates to the C program that the inet_aton() function is available
1242 to parse IP address "dotted-quad" strings.
1244 d_inetntop (d_inetntop.U):
1245 This variable conditionally defines the HAS_INETNTOP symbol,
1246 which indicates to the C program that the inet_ntop() function
1249 d_inetpton (d_inetpton.U):
1250 This variable conditionally defines the HAS_INETPTON symbol,
1251 which indicates to the C program that the inet_pton() function
1254 d_int64_t (d_int64_t.U):
1255 This symbol will be defined if the C compiler supports int64_t.
1257 d_isascii (d_isascii.U):
1258 This variable conditionally defines the HAS_ISASCII constant,
1259 which indicates to the C program that isascii() is available.
1261 d_isfinite (d_isfinite.U):
1262 This variable conditionally defines the HAS_ISFINITE symbol, which
1263 indicates to the C program that the isfinite() routine is available.
1265 d_isinf (d_isinf.U):
1266 This variable conditionally defines the HAS_ISINF symbol, which
1267 indicates to the C program that the isinf() routine is available.
1269 d_isnan (d_isnan.U):
1270 This variable conditionally defines the HAS_ISNAN symbol, which
1271 indicates to the C program that the isnan() routine is available.
1273 d_isnanl (d_isnanl.U):
1274 This variable conditionally defines the HAS_ISNANL symbol, which
1275 indicates to the C program that the isnanl() routine is available.
1277 d_killpg (d_killpg.U):
1278 This variable conditionally defines the HAS_KILLPG symbol, which
1279 indicates to the C program that the killpg() routine is available
1280 to kill process groups.
1282 d_lchown (d_lchown.U):
1283 This variable conditionally defines the HAS_LCHOWN symbol, which
1284 indicates to the C program that the lchown() routine is available
1285 to operate on a symbolic link (instead of following the link).
1287 d_ldbl_dig (d_ldbl_dig.U):
1288 This variable conditionally defines d_ldbl_dig if this system's
1289 header files provide LDBL_DIG, which is the number of significant
1290 digits in a long double precision number.
1292 d_libm_lib_version (d_libm_lib_version.U):
1293 This variable conditionally defines the LIBM_LIB_VERSION symbol,
1294 which indicates to the C program that math.h defines _LIB_VERSION
1295 being available in libm
1298 This variable conditionally defines HAS_LINK if link() is
1299 available to create hard links.
1301 d_localtime64 (d_timefuncs64.U):
1302 This variable conditionally defines the HAS_LOCALTIME64 symbol, which
1303 indicates to the C program that the localtime64 () routine is available.
1305 d_localtime_r (d_localtime_r.U):
1306 This variable conditionally defines the HAS_LOCALTIME_R symbol,
1307 which indicates to the C program that the localtime_r()
1308 routine is available.
1310 d_localtime_r_needs_tzset (d_localtime_r.U):
1311 This variable conditionally defines the LOCALTIME_R_NEEDS_TZSET
1312 symbol, which makes us call tzset before localtime_r()
1314 d_locconv (d_locconv.U):
1315 This variable conditionally defines HAS_LOCALECONV if localeconv() is
1316 available for numeric and monetary formatting conventions.
1318 d_lockf (d_lockf.U):
1319 This variable conditionally defines HAS_LOCKF if lockf() is
1320 available to do file locking.
1322 d_longdbl (d_longdbl.U):
1323 This variable conditionally defines HAS_LONG_DOUBLE if
1324 the long double type is supported.
1326 d_longlong (d_longlong.U):
1327 This variable conditionally defines HAS_LONG_LONG if
1328 the long long type is supported.
1330 d_lseekproto (d_lseekproto.U):
1331 This variable conditionally defines the HAS_LSEEK_PROTO symbol,
1332 which indicates to the C program that the system provides
1333 a prototype for the lseek() function. Otherwise, it is
1334 up to the program to supply one.
1336 d_lstat (d_lstat.U):
1337 This variable conditionally defines HAS_LSTAT if lstat() is
1338 available to do file stats on symbolic links.
1340 d_madvise (d_madvise.U):
1341 This variable conditionally defines HAS_MADVISE if madvise() is
1342 available to map a file into memory.
1344 d_malloc_good_size (d_malloc_size.U):
1345 This symbol, if defined, indicates that the malloc_good_size
1346 routine is available for use.
1348 d_malloc_size (d_malloc_size.U):
1349 This symbol, if defined, indicates that the malloc_size
1350 routine is available for use.
1352 d_mblen (d_mblen.U):
1353 This variable conditionally defines the HAS_MBLEN symbol, which
1354 indicates to the C program that the mblen() routine is available
1355 to find the number of bytes in a multibye character.
1357 d_mbstowcs (d_mbstowcs.U):
1358 This variable conditionally defines the HAS_MBSTOWCS symbol, which
1359 indicates to the C program that the mbstowcs() routine is available
1360 to convert a multibyte string into a wide character string.
1362 d_mbtowc (d_mbtowc.U):
1363 This variable conditionally defines the HAS_MBTOWC symbol, which
1364 indicates to the C program that the mbtowc() routine is available
1365 to convert multibyte to a wide character.
1367 d_memchr (d_memchr.U):
1368 This variable conditionally defines the HAS_MEMCHR symbol, which
1369 indicates to the C program that the memchr() routine is available
1370 to locate characters within a C string.
1372 d_memcmp (d_memcmp.U):
1373 This variable conditionally defines the HAS_MEMCMP symbol, which
1374 indicates to the C program that the memcmp() routine is available
1375 to compare blocks of memory.
1377 d_memcpy (d_memcpy.U):
1378 This variable conditionally defines the HAS_MEMCPY symbol, which
1379 indicates to the C program that the memcpy() routine is available
1380 to copy blocks of memory.
1382 d_memmove (d_memmove.U):
1383 This variable conditionally defines the HAS_MEMMOVE symbol, which
1384 indicates to the C program that the memmove() routine is available
1385 to copy potentatially overlapping blocks of memory.
1387 d_memset (d_memset.U):
1388 This variable conditionally defines the HAS_MEMSET symbol, which
1389 indicates to the C program that the memset() routine is available
1390 to set blocks of memory.
1392 d_mkdir (d_mkdir.U):
1393 This variable conditionally defines the HAS_MKDIR symbol, which
1394 indicates to the C program that the mkdir() routine is available
1395 to create directories..
1397 d_mkdtemp (d_mkdtemp.U):
1398 This variable conditionally defines the HAS_MKDTEMP symbol, which
1399 indicates to the C program that the mkdtemp() routine is available
1400 to exclusively create a uniquely named temporary directory.
1402 d_mkfifo (d_mkfifo.U):
1403 This variable conditionally defines the HAS_MKFIFO symbol, which
1404 indicates to the C program that the mkfifo() routine is available.
1406 d_mkstemp (d_mkstemp.U):
1407 This variable conditionally defines the HAS_MKSTEMP symbol, which
1408 indicates to the C program that the mkstemp() routine is available
1409 to exclusively create and open a uniquely named temporary file.
1411 d_mkstemps (d_mkstemps.U):
1412 This variable conditionally defines the HAS_MKSTEMPS symbol, which
1413 indicates to the C program that the mkstemps() routine is available
1414 to exclusively create and open a uniquely named (with a suffix)
1417 d_mktime (d_mktime.U):
1418 This variable conditionally defines the HAS_MKTIME symbol, which
1419 indicates to the C program that the mktime() routine is available.
1421 d_mktime64 (d_timefuncs64.U):
1422 This variable conditionally defines the HAS_MKTIME64 symbol, which
1423 indicates to the C program that the mktime64 () routine is available.
1426 This variable conditionally defines HAS_MMAP if mmap() is
1427 available to map a file into memory.
1429 d_modfl (d_modfl.U):
1430 This variable conditionally defines the HAS_MODFL symbol, which
1431 indicates to the C program that the modfl() routine is available.
1433 d_modfl_pow32_bug (d_modfl.U):
1434 This variable conditionally defines the HAS_MODFL_POW32_BUG symbol,
1435 which indicates that modfl() is broken for long doubles >= pow(2, 32).
1436 For example from 4294967303.150000 one would get 4294967302.000000
1437 and 1.150000. The bug has been seen in certain versions of glibc,
1438 release 2.2.2 is known to be okay.
1440 d_modflproto (d_modfl.U):
1441 This symbol, if defined, indicates that the system provides
1442 a prototype for the modfl() function. Otherwise, it is up
1443 to the program to supply one. C99 says it should be
1444 long double modfl(long double, long double *);
1446 d_mprotect (d_mprotect.U):
1447 This variable conditionally defines HAS_MPROTECT if mprotect() is
1448 available to modify the access protection of a memory mapped file.
1451 This variable conditionally defines the HAS_MSG symbol, which
1452 indicates that the entire msg*(2) library is present.
1454 d_msg_ctrunc (d_socket.U):
1455 This variable conditionally defines the HAS_MSG_CTRUNC symbol,
1456 which indicates that the MSG_CTRUNC is available. #ifdef is
1457 not enough because it may be an enum, glibc has been known to do this.
1459 d_msg_dontroute (d_socket.U):
1460 This variable conditionally defines the HAS_MSG_DONTROUTE symbol,
1461 which indicates that the MSG_DONTROUTE is available. #ifdef is
1462 not enough because it may be an enum, glibc has been known to do this.
1464 d_msg_oob (d_socket.U):
1465 This variable conditionally defines the HAS_MSG_OOB symbol,
1466 which indicates that the MSG_OOB is available. #ifdef is
1467 not enough because it may be an enum, glibc has been known to do this.
1469 d_msg_peek (d_socket.U):
1470 This variable conditionally defines the HAS_MSG_PEEK symbol,
1471 which indicates that the MSG_PEEK is available. #ifdef is
1472 not enough because it may be an enum, glibc has been known to do this.
1474 d_msg_proxy (d_socket.U):
1475 This variable conditionally defines the HAS_MSG_PROXY symbol,
1476 which indicates that the MSG_PROXY is available. #ifdef is
1477 not enough because it may be an enum, glibc has been known to do this.
1479 d_msgctl (d_msgctl.U):
1480 This variable conditionally defines the HAS_MSGCTL symbol, which
1481 indicates to the C program that the msgctl() routine is available.
1483 d_msgget (d_msgget.U):
1484 This variable conditionally defines the HAS_MSGGET symbol, which
1485 indicates to the C program that the msgget() routine is available.
1487 d_msghdr_s (d_msghdr_s.U):
1488 This variable conditionally defines the HAS_STRUCT_MSGHDR symbol,
1489 which indicates that the struct msghdr is supported.
1491 d_msgrcv (d_msgrcv.U):
1492 This variable conditionally defines the HAS_MSGRCV symbol, which
1493 indicates to the C program that the msgrcv() routine is available.
1495 d_msgsnd (d_msgsnd.U):
1496 This variable conditionally defines the HAS_MSGSND symbol, which
1497 indicates to the C program that the msgsnd() routine is available.
1499 d_msync (d_msync.U):
1500 This variable conditionally defines HAS_MSYNC if msync() is
1501 available to synchronize a mapped file.
1503 d_munmap (d_munmap.U):
1504 This variable conditionally defines HAS_MUNMAP if munmap() is
1505 available to unmap a region mapped by mmap().
1507 d_mymalloc (mallocsrc.U):
1508 This variable conditionally defines MYMALLOC in case other parts
1509 of the source want to take special action if MYMALLOC is used.
1510 This may include different sorts of profiling or error detection.
1513 This variable conditionally defines the HAS_NDBM symbol, which
1514 indicates that both the ndbm.h include file and an appropriate ndbm
1515 library exist. Consult the different i_*ndbm variables
1516 to find out the actual include location. Sometimes, a system has the
1517 header file but not the library. This variable will only be set if
1518 the system has both.
1520 d_ndbm_h_uses_prototypes (i_ndbm.U):
1521 This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
1522 which indicates that the ndbm.h include file uses real ANSI C
1523 prototypes instead of K&R style function declarations. K&R style
1524 declarations are unsupported in C++, so the include file requires
1525 special handling when using a C++ compiler and this variable is
1526 undefined. Consult the different d_*ndbm_h_uses_prototypes variables
1527 to get the same information for alternative ndbm.h include files.
1530 This variable conditionally defines the HAS_NICE symbol, which
1531 indicates to the C program that the nice() routine is available.
1533 d_nl_langinfo (d_nl_langinfo.U):
1534 This variable conditionally defines the HAS_NL_LANGINFO symbol, which
1535 indicates to the C program that the nl_langinfo() routine is available.
1537 d_nv_preserves_uv (perlxv.U):
1538 This variable indicates whether a variable of type nvtype
1539 can preserve all the bits a variable of type uvtype.
1541 d_nv_zero_is_allbits_zero (perlxv.U):
1542 This variable indicates whether a variable of type nvtype
1543 stores 0.0 in memory as all bits zero.
1545 d_off64_t (d_off64_t.U):
1546 This symbol will be defined if the C compiler supports off64_t.
1548 d_old_pthread_create_joinable (d_pthrattrj.U):
1549 This variable conditionally defines pthread_create_joinable.
1550 undef if pthread.h defines PTHREAD_CREATE_JOINABLE.
1552 d_oldpthreads (usethreads.U):
1553 This variable conditionally defines the OLD_PTHREADS_API symbol,
1554 and indicates that Perl should be built to use the old
1555 draft POSIX threads API. This is only potentially meaningful if
1558 d_oldsock (d_socket.U):
1559 This variable conditionally defines the OLDSOCKET symbol, which
1560 indicates that the BSD socket interface is based on 4.1c and not 4.2.
1562 d_open3 (d_open3.U):
1563 This variable conditionally defines the HAS_OPEN3 manifest constant,
1564 which indicates to the C program that the 3 argument version of
1565 the open(2) function is available.
1567 d_pathconf (d_pathconf.U):
1568 This variable conditionally defines the HAS_PATHCONF symbol, which
1569 indicates to the C program that the pathconf() routine is available
1570 to determine file-system related limits and options associated
1571 with a given filename.
1573 d_pause (d_pause.U):
1574 This variable conditionally defines the HAS_PAUSE symbol, which
1575 indicates to the C program that the pause() routine is available
1576 to suspend a process until a signal is received.
1578 d_perl_otherlibdirs (otherlibdirs.U):
1579 This variable conditionally defines PERL_OTHERLIBDIRS, which
1580 contains a colon-separated set of paths for the perl binary to
1581 include in @INC. See also otherlibdirs.
1583 d_phostname (d_gethname.U):
1584 This variable conditionally defines the HAS_PHOSTNAME symbol, which
1585 contains the shell command which, when fed to popen(), may be
1586 used to derive the host name.
1589 This variable conditionally defines the HAS_PIPE symbol, which
1590 indicates to the C program that the pipe() routine is available
1591 to create an inter-process channel.
1594 This variable conditionally defines the HAS_POLL symbol, which
1595 indicates to the C program that the poll() routine is available
1596 to poll active file descriptors.
1598 d_portable (d_portable.U):
1599 This variable conditionally defines the PORTABLE symbol, which
1600 indicates to the C program that it should not assume that it is
1601 running on the machine it was compiled on.
1603 d_PRId64 (quadfio.U):
1604 This variable conditionally defines the PERL_PRId64 symbol, which
1605 indiciates that stdio has a symbol to print 64-bit decimal numbers.
1607 d_PRIeldbl (longdblfio.U):
1608 This variable conditionally defines the PERL_PRIfldbl symbol, which
1609 indiciates that stdio has a symbol to print long doubles.
1611 d_PRIEUldbl (longdblfio.U):
1612 This variable conditionally defines the PERL_PRIfldbl symbol, which
1613 indiciates that stdio has a symbol to print long doubles.
1614 The 'U' in the name is to separate this from d_PRIeldbl so that even
1615 case-blind systems can see the difference.
1617 d_PRIfldbl (longdblfio.U):
1618 This variable conditionally defines the PERL_PRIfldbl symbol, which
1619 indiciates that stdio has a symbol to print long doubles.
1621 d_PRIFUldbl (longdblfio.U):
1622 This variable conditionally defines the PERL_PRIfldbl symbol, which
1623 indiciates that stdio has a symbol to print long doubles.
1624 The 'U' in the name is to separate this from d_PRIfldbl so that even
1625 case-blind systems can see the difference.
1627 d_PRIgldbl (longdblfio.U):
1628 This variable conditionally defines the PERL_PRIfldbl symbol, which
1629 indiciates that stdio has a symbol to print long doubles.
1631 d_PRIGUldbl (longdblfio.U):
1632 This variable conditionally defines the PERL_PRIfldbl symbol, which
1633 indiciates that stdio has a symbol to print long doubles.
1634 The 'U' in the name is to separate this from d_PRIgldbl so that even
1635 case-blind systems can see the difference.
1637 d_PRIi64 (quadfio.U):
1638 This variable conditionally defines the PERL_PRIi64 symbol, which
1639 indiciates that stdio has a symbol to print 64-bit decimal numbers.
1641 d_printf_format_null (d_attribut.U):
1642 This variable conditionally defines PRINTF_FORMAT_NULL_OK, which
1643 indicates the C compiler allows printf-like formats to be null.
1645 d_PRIo64 (quadfio.U):
1646 This variable conditionally defines the PERL_PRIo64 symbol, which
1647 indiciates that stdio has a symbol to print 64-bit octal numbers.
1649 d_PRIu64 (quadfio.U):
1650 This variable conditionally defines the PERL_PRIu64 symbol, which
1651 indiciates that stdio has a symbol to print 64-bit unsigned decimal
1654 d_PRIx64 (quadfio.U):
1655 This variable conditionally defines the PERL_PRIx64 symbol, which
1656 indiciates that stdio has a symbol to print 64-bit hexadecimal numbers.
1658 d_PRIXU64 (quadfio.U):
1659 This variable conditionally defines the PERL_PRIXU64 symbol, which
1660 indiciates that stdio has a symbol to print 64-bit hExADECimAl numbers.
1661 The 'U' in the name is to separate this from d_PRIx64 so that even
1662 case-blind systems can see the difference.
1664 d_procselfexe (d_procselfexe.U):
1665 Defined if $procselfexe is symlink to the absolute
1666 pathname of the executing program.
1668 d_pseudofork (d_vfork.U):
1669 This variable conditionally defines the HAS_PSEUDOFORK symbol,
1670 which indicates that an emulation of the fork routine is available.
1672 d_pthread_atfork (d_pthread_atfork.U):
1673 This variable conditionally defines the HAS_PTHREAD_ATFORK symbol,
1674 which indicates to the C program that the pthread_atfork()
1675 routine is available.
1677 d_pthread_attr_setscope (d_pthread_attr_ss.U):
1678 This variable conditionally defines HAS_PTHREAD_ATTR_SETSCOPE if
1679 pthread_attr_setscope() is available to set the contention scope
1680 attribute of a thread attribute object.
1682 d_pthread_yield (d_pthread_y.U):
1683 This variable conditionally defines the HAS_PTHREAD_YIELD
1684 symbol if the pthread_yield routine is available to yield
1685 the execution of the current thread.
1688 This variable conditionally defines PWAGE, which indicates
1689 that struct passwd contains pw_age.
1691 d_pwchange (i_pwd.U):
1692 This variable conditionally defines PWCHANGE, which indicates
1693 that struct passwd contains pw_change.
1695 d_pwclass (i_pwd.U):
1696 This variable conditionally defines PWCLASS, which indicates
1697 that struct passwd contains pw_class.
1699 d_pwcomment (i_pwd.U):
1700 This variable conditionally defines PWCOMMENT, which indicates
1701 that struct passwd contains pw_comment.
1703 d_pwexpire (i_pwd.U):
1704 This variable conditionally defines PWEXPIRE, which indicates
1705 that struct passwd contains pw_expire.
1707 d_pwgecos (i_pwd.U):
1708 This variable conditionally defines PWGECOS, which indicates
1709 that struct passwd contains pw_gecos.
1711 d_pwpasswd (i_pwd.U):
1712 This variable conditionally defines PWPASSWD, which indicates
1713 that struct passwd contains pw_passwd.
1715 d_pwquota (i_pwd.U):
1716 This variable conditionally defines PWQUOTA, which indicates
1717 that struct passwd contains pw_quota.
1719 d_qgcvt (d_qgcvt.U):
1720 This variable conditionally defines the HAS_QGCVT symbol, which
1721 indicates to the C program that the qgcvt() routine is available.
1723 d_quad (quadtype.U):
1724 This variable, if defined, tells that there's a 64-bit integer type,
1727 d_random_r (d_random_r.U):
1728 This variable conditionally defines the HAS_RANDOM_R symbol,
1729 which indicates to the C program that the random_r()
1730 routine is available.
1732 d_readdir (d_readdir.U):
1733 This variable conditionally defines HAS_READDIR if readdir() is
1734 available to read directory entries.
1736 d_readdir64_r (d_readdir64_r.U):
1737 This variable conditionally defines the HAS_READDIR64_R symbol,
1738 which indicates to the C program that the readdir64_r()
1739 routine is available.
1741 d_readdir_r (d_readdir_r.U):
1742 This variable conditionally defines the HAS_READDIR_R symbol,
1743 which indicates to the C program that the readdir_r()
1744 routine is available.
1746 d_readlink (d_readlink.U):
1747 This variable conditionally defines the HAS_READLINK symbol, which
1748 indicates to the C program that the readlink() routine is available
1749 to read the value of a symbolic link.
1751 d_readv (d_readv.U):
1752 This variable conditionally defines the HAS_READV symbol, which
1753 indicates to the C program that the readv() routine is available.
1755 d_recvmsg (d_recvmsg.U):
1756 This variable conditionally defines the HAS_RECVMSG symbol, which
1757 indicates to the C program that the recvmsg() routine is available.
1759 d_rename (d_rename.U):
1760 This variable conditionally defines the HAS_RENAME symbol, which
1761 indicates to the C program that the rename() routine is available
1764 d_rewinddir (d_readdir.U):
1765 This variable conditionally defines HAS_REWINDDIR if rewinddir() is
1768 d_rmdir (d_rmdir.U):
1769 This variable conditionally defines HAS_RMDIR if rmdir() is
1770 available to remove directories.
1772 d_safebcpy (d_safebcpy.U):
1773 This variable conditionally defines the HAS_SAFE_BCOPY symbol if
1774 the bcopy() routine can do overlapping copies. Normally, you
1775 should probably use memmove().
1777 d_safemcpy (d_safemcpy.U):
1778 This variable conditionally defines the HAS_SAFE_MEMCPY symbol if
1779 the memcpy() routine can do overlapping copies.
1780 For overlapping copies, memmove() should be used, if available.
1782 d_sanemcmp (d_sanemcmp.U):
1783 This variable conditionally defines the HAS_SANE_MEMCMP symbol if
1784 the memcpy() routine is available and can be used to compare relative
1785 magnitudes of chars with their high bits set.
1787 d_sbrkproto (d_sbrkproto.U):
1788 This variable conditionally defines the HAS_SBRK_PROTO symbol,
1789 which indicates to the C program that the system provides
1790 a prototype for the sbrk() function. Otherwise, it is
1791 up to the program to supply one.
1793 d_scalbnl (d_scalbnl.U):
1794 This variable conditionally defines the HAS_SCALBNL symbol, which
1795 indicates to the C program that the scalbnl() routine is available.
1796 If ilogbl is also present we can emulate frexpl.
1798 d_sched_yield (d_pthread_y.U):
1799 This variable conditionally defines the HAS_SCHED_YIELD
1800 symbol if the sched_yield routine is available to yield
1801 the execution of the current thread.
1803 d_scm_rights (d_socket.U):
1804 This variable conditionally defines the HAS_SCM_RIGHTS symbol,
1805 which indicates that the SCM_RIGHTS is available. #ifdef is
1806 not enough because it may be an enum, glibc has been known to do this.
1808 d_SCNfldbl (longdblfio.U):
1809 This variable conditionally defines the PERL_PRIfldbl symbol, which
1810 indiciates that stdio has a symbol to scan long doubles.
1812 d_seekdir (d_readdir.U):
1813 This variable conditionally defines HAS_SEEKDIR if seekdir() is
1816 d_select (d_select.U):
1817 This variable conditionally defines HAS_SELECT if select() is
1818 available to select active file descriptors. A <sys/time.h>
1819 inclusion may be necessary for the timeout field.
1822 This variable conditionally defines the HAS_SEM symbol, which
1823 indicates that the entire sem*(2) library is present.
1825 d_semctl (d_semctl.U):
1826 This variable conditionally defines the HAS_SEMCTL symbol, which
1827 indicates to the C program that the semctl() routine is available.
1829 d_semctl_semid_ds (d_union_semun.U):
1830 This variable conditionally defines USE_SEMCTL_SEMID_DS, which
1831 indicates that struct semid_ds * is to be used for semctl IPC_STAT.
1833 d_semctl_semun (d_union_semun.U):
1834 This variable conditionally defines USE_SEMCTL_SEMUN, which
1835 indicates that union semun is to be used for semctl IPC_STAT.
1837 d_semget (d_semget.U):
1838 This variable conditionally defines the HAS_SEMGET symbol, which
1839 indicates to the C program that the semget() routine is available.
1841 d_semop (d_semop.U):
1842 This variable conditionally defines the HAS_SEMOP symbol, which
1843 indicates to the C program that the semop() routine is available.
1845 d_sendmsg (d_sendmsg.U):
1846 This variable conditionally defines the HAS_SENDMSG symbol, which
1847 indicates to the C program that the sendmsg() routine is available.
1849 d_setegid (d_setegid.U):
1850 This variable conditionally defines the HAS_SETEGID symbol, which
1851 indicates to the C program that the setegid() routine is available
1852 to change the effective gid of the current program.
1854 d_seteuid (d_seteuid.U):
1855 This variable conditionally defines the HAS_SETEUID symbol, which
1856 indicates to the C program that the seteuid() routine is available
1857 to change the effective uid of the current program.
1859 d_setgrent (d_setgrent.U):
1860 This variable conditionally defines the HAS_SETGRENT symbol, which
1861 indicates to the C program that the setgrent() routine is available
1862 for initializing sequential access to the group database.
1864 d_setgrent_r (d_setgrent_r.U):
1865 This variable conditionally defines the HAS_SETGRENT_R symbol,
1866 which indicates to the C program that the setgrent_r()
1867 routine is available.
1869 d_setgrps (d_setgrps.U):
1870 This variable conditionally defines the HAS_SETGROUPS symbol, which
1871 indicates to the C program that the setgroups() routine is available
1872 to set the list of process groups.
1874 d_sethent (d_sethent.U):
1875 This variable conditionally defines HAS_SETHOSTENT if sethostent() is
1878 d_sethostent_r (d_sethostent_r.U):
1879 This variable conditionally defines the HAS_SETHOSTENT_R symbol,
1880 which indicates to the C program that the sethostent_r()
1881 routine is available.
1883 d_setitimer (d_setitimer.U):
1884 This variable conditionally defines the HAS_SETITIMER symbol, which
1885 indicates to the C program that the setitimer() routine is available.
1887 d_setlinebuf (d_setlnbuf.U):
1888 This variable conditionally defines the HAS_SETLINEBUF symbol, which
1889 indicates to the C program that the setlinebuf() routine is available
1890 to change stderr or stdout from block-buffered or unbuffered to a
1893 d_setlocale (d_setlocale.U):
1894 This variable conditionally defines HAS_SETLOCALE if setlocale() is
1895 available to handle locale-specific ctype implementations.
1897 d_setlocale_r (d_setlocale_r.U):
1898 This variable conditionally defines the HAS_SETLOCALE_R symbol,
1899 which indicates to the C program that the setlocale_r()
1900 routine is available.
1902 d_setnent (d_setnent.U):
1903 This variable conditionally defines HAS_SETNETENT if setnetent() is
1906 d_setnetent_r (d_setnetent_r.U):
1907 This variable conditionally defines the HAS_SETNETENT_R symbol,
1908 which indicates to the C program that the setnetent_r()
1909 routine is available.
1911 d_setpent (d_setpent.U):
1912 This variable conditionally defines HAS_SETPROTOENT if setprotoent() is
1915 d_setpgid (d_setpgid.U):
1916 This variable conditionally defines the HAS_SETPGID symbol if the
1917 setpgid(pid, gpid) function is available to set process group ID.
1919 d_setpgrp (d_setpgrp.U):
1920 This variable conditionally defines HAS_SETPGRP if setpgrp() is
1921 available to set the current process group.
1923 d_setpgrp2 (d_setpgrp2.U):
1924 This variable conditionally defines the HAS_SETPGRP2 symbol, which
1925 indicates to the C program that the setpgrp2() (as in DG/UX) routine
1926 is available to set the current process group.
1928 d_setprior (d_setprior.U):
1929 This variable conditionally defines HAS_SETPRIORITY if setpriority()
1930 is available to set a process's priority.
1932 d_setproctitle (d_setproctitle.U):
1933 This variable conditionally defines the HAS_SETPROCTITLE symbol,
1934 which indicates to the C program that the setproctitle() routine
1937 d_setprotoent_r (d_setprotoent_r.U):
1938 This variable conditionally defines the HAS_SETPROTOENT_R symbol,
1939 which indicates to the C program that the setprotoent_r()
1940 routine is available.
1942 d_setpwent (d_setpwent.U):
1943 This variable conditionally defines the HAS_SETPWENT symbol, which
1944 indicates to the C program that the setpwent() routine is available
1945 for initializing sequential access to the passwd database.
1947 d_setpwent_r (d_setpwent_r.U):
1948 This variable conditionally defines the HAS_SETPWENT_R symbol,
1949 which indicates to the C program that the setpwent_r()
1950 routine is available.
1952 d_setregid (d_setregid.U):
1953 This variable conditionally defines HAS_SETREGID if setregid() is
1954 available to change the real and effective gid of the current
1957 d_setresgid (d_setregid.U):
1958 This variable conditionally defines HAS_SETRESGID if setresgid() is
1959 available to change the real, effective and saved gid of the current
1962 d_setresuid (d_setreuid.U):
1963 This variable conditionally defines HAS_SETREUID if setresuid() is
1964 available to change the real, effective and saved uid of the current
1967 d_setreuid (d_setreuid.U):
1968 This variable conditionally defines HAS_SETREUID if setreuid() is
1969 available to change the real and effective uid of the current
1972 d_setrgid (d_setrgid.U):
1973 This variable conditionally defines the HAS_SETRGID symbol, which
1974 indicates to the C program that the setrgid() routine is available
1975 to change the real gid of the current program.
1977 d_setruid (d_setruid.U):
1978 This variable conditionally defines the HAS_SETRUID symbol, which
1979 indicates to the C program that the setruid() routine is available
1980 to change the real uid of the current program.
1982 d_setsent (d_setsent.U):
1983 This variable conditionally defines HAS_SETSERVENT if setservent() is
1986 d_setservent_r (d_setservent_r.U):
1987 This variable conditionally defines the HAS_SETSERVENT_R symbol,
1988 which indicates to the C program that the setservent_r()
1989 routine is available.
1991 d_setsid (d_setsid.U):
1992 This variable conditionally defines HAS_SETSID if setsid() is
1993 available to set the process group ID.
1995 d_setvbuf (d_setvbuf.U):
1996 This variable conditionally defines the HAS_SETVBUF symbol, which
1997 indicates to the C program that the setvbuf() routine is available
1998 to change buffering on an open stdio stream.
2001 This variable conditionally defines the USE_SFIO symbol,
2002 and indicates whether sfio is available (and should be used).
2005 This variable conditionally defines the HAS_SHM symbol, which
2006 indicates that the entire shm*(2) library is present.
2008 d_shmat (d_shmat.U):
2009 This variable conditionally defines the HAS_SHMAT symbol, which
2010 indicates to the C program that the shmat() routine is available.
2012 d_shmatprototype (d_shmat.U):
2013 This variable conditionally defines the HAS_SHMAT_PROTOTYPE
2014 symbol, which indicates that sys/shm.h has a prototype for
2017 d_shmctl (d_shmctl.U):
2018 This variable conditionally defines the HAS_SHMCTL symbol, which
2019 indicates to the C program that the shmctl() routine is available.
2021 d_shmdt (d_shmdt.U):
2022 This variable conditionally defines the HAS_SHMDT symbol, which
2023 indicates to the C program that the shmdt() routine is available.
2025 d_shmget (d_shmget.U):
2026 This variable conditionally defines the HAS_SHMGET symbol, which
2027 indicates to the C program that the shmget() routine is available.
2029 d_sigaction (d_sigaction.U):
2030 This variable conditionally defines the HAS_SIGACTION symbol, which
2031 indicates that the Vr4 sigaction() routine is available.
2033 d_signbit (d_signbit.U):
2034 This variable conditionally defines the HAS_SIGNBIT symbol, which
2035 indicates to the C program that the signbit() routine is available
2036 and safe to use with perl's intern NV type.
2038 d_sigprocmask (d_sigprocmask.U):
2039 This variable conditionally defines HAS_SIGPROCMASK
2040 if sigprocmask() is available to examine or change the signal mask
2041 of the calling process.
2043 d_sigsetjmp (d_sigsetjmp.U):
2044 This variable conditionally defines the HAS_SIGSETJMP symbol,
2045 which indicates that the sigsetjmp() routine is available to
2046 call setjmp() and optionally save the process's signal mask.
2048 d_sitearch (sitearch.U):
2049 This variable conditionally defines SITEARCH to hold the pathname
2050 of architecture-dependent library files for $package. If
2051 $sitearch is the same as $archlib, then this is set to undef.
2053 d_snprintf (d_snprintf.U):
2054 This variable conditionally defines the HAS_SNPRINTF symbol, which
2055 indicates to the C program that the snprintf () library function
2058 d_sockatmark (d_sockatmark.U):
2059 This variable conditionally defines the HAS_SOCKATMARK symbol, which
2060 indicates to the C program that the sockatmark() routine is available.
2062 d_sockatmarkproto (d_sockatmarkproto.U):
2063 This variable conditionally defines the HAS_SOCKATMARK_PROTO symbol,
2064 which indicates to the C program that the system provides
2065 a prototype for the sockatmark() function. Otherwise, it is
2066 up to the program to supply one.
2068 d_socket (d_socket.U):
2069 This variable conditionally defines HAS_SOCKET, which indicates
2070 that the BSD socket interface is supported.
2072 d_socklen_t (d_socklen_t.U):
2073 This symbol will be defined if the C compiler supports socklen_t.
2075 d_sockpair (d_socket.U):
2076 This variable conditionally defines the HAS_SOCKETPAIR symbol, which
2077 indicates that the BSD socketpair() is supported.
2079 d_socks5_init (d_socks5_init.U):
2080 This variable conditionally defines the HAS_SOCKS5_INIT symbol, which
2081 indicates to the C program that the socks5_init() routine is available.
2083 d_sprintf_returns_strlen (d_sprintf_len.U):
2084 This variable defines whether sprintf returns the length of the string
2085 (as per the ANSI spec). Some C libraries retain compatibility with
2086 pre-ANSI C and return a pointer to the passed in buffer; for these
2087 this variable will be undef.
2089 d_sqrtl (d_sqrtl.U):
2090 This variable conditionally defines the HAS_SQRTL symbol, which
2091 indicates to the C program that the sqrtl() routine is available.
2093 d_srand48_r (d_srand48_r.U):
2094 This variable conditionally defines the HAS_SRAND48_R symbol,
2095 which indicates to the C program that the srand48_r()
2096 routine is available.
2098 d_srandom_r (d_srandom_r.U):
2099 This variable conditionally defines the HAS_SRANDOM_R symbol,
2100 which indicates to the C program that the srandom_r()
2101 routine is available.
2103 d_sresgproto (d_sresgproto.U):
2104 This variable conditionally defines the HAS_SETRESGID_PROTO symbol,
2105 which indicates to the C program that the system provides
2106 a prototype for the setresgid() function. Otherwise, it is
2107 up to the program to supply one.
2109 d_sresuproto (d_sresuproto.U):
2110 This variable conditionally defines the HAS_SETRESUID_PROTO symbol,
2111 which indicates to the C program that the system provides
2112 a prototype for the setresuid() function. Otherwise, it is
2113 up to the program to supply one.
2115 d_statblks (d_statblks.U):
2116 This variable conditionally defines USE_STAT_BLOCKS
2117 if this system has a stat structure declaring
2118 st_blksize and st_blocks.
2120 d_statfs_f_flags (d_statfs_f_flags.U):
2121 This variable conditionally defines the HAS_STRUCT_STATFS_F_FLAGS
2122 symbol, which indicates to struct statfs from has f_flags member.
2123 This kind of struct statfs is coming from sys/mount.h (BSD),
2124 not from sys/statfs.h (SYSV).
2126 d_statfs_s (d_statfs_s.U):
2127 This variable conditionally defines the HAS_STRUCT_STATFS symbol,
2128 which indicates that the struct statfs is supported.
2130 d_statvfs (d_statvfs.U):
2131 This variable conditionally defines the HAS_STATVFS symbol, which
2132 indicates to the C program that the statvfs() routine is available.
2134 d_stdio_cnt_lval (d_stdstdio.U):
2135 This variable conditionally defines STDIO_CNT_LVALUE if the
2136 FILE_cnt macro can be used as an lvalue.
2138 d_stdio_ptr_lval (d_stdstdio.U):
2139 This variable conditionally defines STDIO_PTR_LVALUE if the
2140 FILE_ptr macro can be used as an lvalue.
2142 d_stdio_ptr_lval_nochange_cnt (d_stdstdio.U):
2143 This symbol is defined if using the FILE_ptr macro as an lvalue
2144 to increase the pointer by n leaves File_cnt(fp) unchanged.
2146 d_stdio_ptr_lval_sets_cnt (d_stdstdio.U):
2147 This symbol is defined if using the FILE_ptr macro as an lvalue
2148 to increase the pointer by n has the side effect of decreasing the
2149 value of File_cnt(fp) by n.
2151 d_stdio_stream_array (stdio_streams.U):
2152 This variable tells whether there is an array holding
2155 d_stdiobase (d_stdstdio.U):
2156 This variable conditionally defines USE_STDIO_BASE if this system
2157 has a FILE structure declaring a usable _base field (or equivalent)
2160 d_stdstdio (d_stdstdio.U):
2161 This variable conditionally defines USE_STDIO_PTR if this system
2162 has a FILE structure declaring usable _ptr and _cnt fields (or
2163 equivalent) in stdio.h.
2165 d_strchr (d_strchr.U):
2166 This variable conditionally defines HAS_STRCHR if strchr() and
2167 strrchr() are available for string searching.
2169 d_strcoll (d_strcoll.U):
2170 This variable conditionally defines HAS_STRCOLL if strcoll() is
2171 available to compare strings using collating information.
2173 d_strctcpy (d_strctcpy.U):
2174 This variable conditionally defines the USE_STRUCT_COPY symbol, which
2175 indicates to the C program that this C compiler knows how to copy
2178 d_strerrm (d_strerror.U):
2179 This variable holds what Strerrr is defined as to translate an error
2180 code condition into an error message string. It could be 'strerror'
2181 or a more complex macro emulating strrror with sys_errlist[], or the
2182 "unknown" string when both strerror and sys_errlist are missing.
2184 d_strerror (d_strerror.U):
2185 This variable conditionally defines HAS_STRERROR if strerror() is
2186 available to translate error numbers to strings.
2188 d_strerror_r (d_strerror_r.U):
2189 This variable conditionally defines the HAS_STRERROR_R symbol,
2190 which indicates to the C program that the strerror_r()
2191 routine is available.
2193 d_strftime (d_strftime.U):
2194 This variable conditionally defines the HAS_STRFTIME symbol, which
2195 indicates to the C program that the strftime() routine is available.
2197 d_strlcat (d_strlcat.U):
2198 This variable conditionally defines the HAS_STRLCAT symbol, which
2199 indicates to the C program that the strlcat () routine is available.
2201 d_strlcpy (d_strlcpy.U):
2202 This variable conditionally defines the HAS_STRLCPY symbol, which
2203 indicates to the C program that the strlcpy () routine is available.
2205 d_strtod (d_strtod.U):
2206 This variable conditionally defines the HAS_STRTOD symbol, which
2207 indicates to the C program that the strtod() routine is available
2208 to provide better numeric string conversion than atof().
2210 d_strtol (d_strtol.U):
2211 This variable conditionally defines the HAS_STRTOL symbol, which
2212 indicates to the C program that the strtol() routine is available
2213 to provide better numeric string conversion than atoi() and friends.
2215 d_strtold (d_strtold.U):
2216 This variable conditionally defines the HAS_STRTOLD symbol, which
2217 indicates to the C program that the strtold() routine is available.
2219 d_strtoll (d_strtoll.U):
2220 This variable conditionally defines the HAS_STRTOLL symbol, which
2221 indicates to the C program that the strtoll() routine is available.
2223 d_strtoq (d_strtoq.U):
2224 This variable conditionally defines the HAS_STRTOQ symbol, which
2225 indicates to the C program that the strtoq() routine is available.
2227 d_strtoul (d_strtoul.U):
2228 This variable conditionally defines the HAS_STRTOUL symbol, which
2229 indicates to the C program that the strtoul() routine is available
2230 to provide conversion of strings to unsigned long.
2232 d_strtoull (d_strtoull.U):
2233 This variable conditionally defines the HAS_STRTOULL symbol, which
2234 indicates to the C program that the strtoull() routine is available.
2236 d_strtouq (d_strtouq.U):
2237 This variable conditionally defines the HAS_STRTOUQ symbol, which
2238 indicates to the C program that the strtouq() routine is available.
2240 d_strxfrm (d_strxfrm.U):
2241 This variable conditionally defines HAS_STRXFRM if strxfrm() is
2242 available to transform strings.
2244 d_suidsafe (d_dosuid.U):
2245 This variable conditionally defines SETUID_SCRIPTS_ARE_SECURE_NOW
2246 if setuid scripts can be secure. This test looks in /dev/fd/.
2248 d_symlink (d_symlink.U):
2249 This variable conditionally defines the HAS_SYMLINK symbol, which
2250 indicates to the C program that the symlink() routine is available
2251 to create symbolic links.
2253 d_syscall (d_syscall.U):
2254 This variable conditionally defines HAS_SYSCALL if syscall() is
2255 available call arbitrary system calls.
2257 d_syscallproto (d_syscallproto.U):
2258 This variable conditionally defines the HAS_SYSCALL_PROTO symbol,
2259 which indicates to the C program that the system provides
2260 a prototype for the syscall() function. Otherwise, it is
2261 up to the program to supply one.
2263 d_sysconf (d_sysconf.U):
2264 This variable conditionally defines the HAS_SYSCONF symbol, which
2265 indicates to the C program that the sysconf() routine is available
2266 to determine system related limits and options.
2268 d_sysernlst (d_strerror.U):
2269 This variable conditionally defines HAS_SYS_ERRNOLIST if sys_errnolist[]
2270 is available to translate error numbers to the symbolic name.
2272 d_syserrlst (d_strerror.U):
2273 This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is
2274 available to translate error numbers to strings.
2276 d_system (d_system.U):
2277 This variable conditionally defines HAS_SYSTEM if system() is
2278 available to issue a shell command.
2280 d_tcgetpgrp (d_tcgtpgrp.U):
2281 This variable conditionally defines the HAS_TCGETPGRP symbol, which
2282 indicates to the C program that the tcgetpgrp() routine is available.
2283 to get foreground process group ID.
2285 d_tcsetpgrp (d_tcstpgrp.U):
2286 This variable conditionally defines the HAS_TCSETPGRP symbol, which
2287 indicates to the C program that the tcsetpgrp() routine is available
2288 to set foreground process group ID.
2290 d_telldir (d_readdir.U):
2291 This variable conditionally defines HAS_TELLDIR if telldir() is
2294 d_telldirproto (d_telldirproto.U):
2295 This variable conditionally defines the HAS_TELLDIR_PROTO symbol,
2296 which indicates to the C program that the system provides
2297 a prototype for the telldir() function. Otherwise, it is
2298 up to the program to supply one.
2301 This variable conditionally defines the HAS_TIME symbol, which indicates
2302 that the time() routine exists. The time() routine is normaly
2303 provided on UNIX systems.
2305 d_timegm (d_timegm.U):
2306 This variable conditionally defines the HAS_TIMEGM symbol, which
2307 indicates to the C program that the timegm () routine is available.
2309 d_times (d_times.U):
2310 This variable conditionally defines the HAS_TIMES symbol, which indicates
2311 that the times() routine exists. The times() routine is normaly
2312 provided on UNIX systems. You may have to include <sys/times.h>.
2314 d_tm_tm_gmtoff (i_time.U):
2315 This variable conditionally defines HAS_TM_TM_GMTOFF, which indicates
2316 indicates to the C program that the struct tm has the tm_gmtoff field.
2318 d_tm_tm_zone (i_time.U):
2319 This variable conditionally defines HAS_TM_TM_ZONE, which indicates
2320 indicates to the C program that the struct tm has the tm_zone field.
2322 d_tmpnam_r (d_tmpnam_r.U):
2323 This variable conditionally defines the HAS_TMPNAM_R symbol,
2324 which indicates to the C program that the tmpnam_r()
2325 routine is available.
2327 d_truncate (d_truncate.U):
2328 This variable conditionally defines HAS_TRUNCATE if truncate() is
2329 available to truncate files.
2331 d_ttyname_r (d_ttyname_r.U):
2332 This variable conditionally defines the HAS_TTYNAME_R symbol,
2333 which indicates to the C program that the ttyname_r()
2334 routine is available.
2336 d_tzname (d_tzname.U):
2337 This variable conditionally defines HAS_TZNAME if tzname[] is
2338 available to access timezone names.
2340 d_u32align (d_u32align.U):
2341 This variable tells whether you must access character data
2342 through U32-aligned pointers.
2344 d_ualarm (d_ualarm.U):
2345 This variable conditionally defines the HAS_UALARM symbol, which
2346 indicates to the C program that the ualarm() routine is available.
2348 d_umask (d_umask.U):
2349 This variable conditionally defines the HAS_UMASK symbol, which
2350 indicates to the C program that the umask() routine is available.
2351 to set and get the value of the file creation mask.
2353 d_uname (d_gethname.U):
2354 This variable conditionally defines the HAS_UNAME symbol, which
2355 indicates to the C program that the uname() routine may be
2356 used to derive the host name.
2358 d_union_semun (d_union_semun.U):
2359 This variable conditionally defines HAS_UNION_SEMUN if the
2360 union semun is defined by including <sys/sem.h>.
2362 d_unordered (d_unordered.U):
2363 This variable conditionally defines the HAS_UNORDERED symbol, which
2364 indicates to the C program that the unordered() routine is available.
2366 d_unsetenv (d_unsetenv.U):
2367 This variable conditionally defines the HAS_UNSETENV symbol, which
2368 indicates to the C program that the unsetenv () routine is available.
2370 d_usleep (d_usleep.U):
2371 This variable conditionally defines HAS_USLEEP if usleep() is
2372 available to do high granularity sleeps.
2374 d_usleepproto (d_usleepproto.U):
2375 This variable conditionally defines the HAS_USLEEP_PROTO symbol,
2376 which indicates to the C program that the system provides
2377 a prototype for the usleep() function. Otherwise, it is
2378 up to the program to supply one.
2380 d_ustat (d_ustat.U):
2381 This variable conditionally defines HAS_USTAT if ustat() is
2382 available to query file system statistics by dev_t.
2384 d_vendorarch (vendorarch.U):
2385 This variable conditionally defined PERL_VENDORARCH.
2387 d_vendorbin (vendorbin.U):
2388 This variable conditionally defines PERL_VENDORBIN.
2390 d_vendorlib (vendorlib.U):
2391 This variable conditionally defines PERL_VENDORLIB.
2393 d_vendorscript (vendorscript.U):
2394 This variable conditionally defines PERL_VENDORSCRIPT.
2396 d_vfork (d_vfork.U):
2397 This variable conditionally defines the HAS_VFORK symbol, which
2398 indicates the vfork() routine is available.
2400 d_void_closedir (d_closedir.U):
2401 This variable conditionally defines VOID_CLOSEDIR if closedir()
2402 does not return a value.
2404 d_voidsig (d_voidsig.U):
2405 This variable conditionally defines VOIDSIG if this system
2406 declares "void (*signal(...))()" in signal.h. The old way was to
2407 declare it as "int (*signal(...))()".
2409 d_voidtty (i_sysioctl.U):
2410 This variable conditionally defines USE_IOCNOTTY to indicate that the
2411 ioctl() call with TIOCNOTTY should be used to void tty association.
2412 Otherwise (on USG probably), it is enough to close the standard file
2413 decriptors and do a setpgrp().
2415 d_volatile (d_volatile.U):
2416 This variable conditionally defines the HASVOLATILE symbol, which
2417 indicates to the C program that this C compiler knows about the
2418 volatile declaration.
2420 d_vprintf (d_vprintf.U):
2421 This variable conditionally defines the HAS_VPRINTF symbol, which
2422 indicates to the C program that the vprintf() routine is available
2423 to printf with a pointer to an argument list.
2425 d_vsnprintf (d_snprintf.U):
2426 This variable conditionally defines the HAS_VSNPRINTF symbol, which
2427 indicates to the C program that the vsnprintf () library function
2430 d_wait4 (d_wait4.U):
2431 This variable conditionally defines the HAS_WAIT4 symbol, which
2432 indicates the wait4() routine is available.
2434 d_waitpid (d_waitpid.U):
2435 This variable conditionally defines HAS_WAITPID if waitpid() is
2436 available to wait for child process.
2438 d_wcstombs (d_wcstombs.U):
2439 This variable conditionally defines the HAS_WCSTOMBS symbol, which
2440 indicates to the C program that the wcstombs() routine is available
2441 to convert wide character strings to multibyte strings.
2443 d_wctomb (d_wctomb.U):
2444 This variable conditionally defines the HAS_WCTOMB symbol, which
2445 indicates to the C program that the wctomb() routine is available
2446 to convert a wide character to a multibyte.
2448 d_writev (d_writev.U):
2449 This variable conditionally defines the HAS_WRITEV symbol, which
2450 indicates to the C program that the writev() routine is available.
2453 This variable conditionally defines the symbol XENIX, which alerts
2454 the C program that it runs under Xenix.
2457 This variable is used internally by Configure to determine the
2458 full pathname (if any) of the date program. After Configure runs,
2459 the value is reset to a plain "date" and is not useful.
2461 db_hashtype (i_db.U):
2462 This variable contains the type of the hash structure element
2463 in the <db.h> header file. In older versions of DB, it was
2464 int, while in newer ones it is u_int32_t.
2466 db_prefixtype (i_db.U):
2467 This variable contains the type of the prefix structure element
2468 in the <db.h> header file. In older versions of DB, it was
2469 int, while in newer ones it is size_t.
2471 db_version_major (i_db.U):
2472 This variable contains the major version number of
2473 Berkeley DB found in the <db.h> header file.
2475 db_version_minor (i_db.U):
2476 This variable contains the minor version number of
2477 Berkeley DB found in the <db.h> header file.
2478 For DB version 1 this is always 0.
2480 db_version_patch (i_db.U):
2481 This variable contains the patch version number of
2482 Berkeley DB found in the <db.h> header file.
2483 For DB version 1 this is always 0.
2485 defvoidused (voidflags.U):
2486 This variable contains the default value of the VOIDUSED symbol (15).
2488 direntrytype (i_dirent.U):
2489 This symbol is set to 'struct direct' or 'struct dirent' depending on
2490 whether dirent is available or not. You should use this pseudo type to
2491 portably declare your directory entries.
2494 This variable contains the extension that is to be used for the
2495 dynamically loaded modules that perl generaties.
2498 This variable contains the name of the dynamic loading file that
2499 will be used with the package.
2501 doublesize (doublesize.U):
2502 This variable contains the value of the DOUBLESIZE symbol, which
2503 indicates to the C program how many bytes there are in a double.
2505 drand01 (randfunc.U):
2506 Indicates the macro to be used to generate normalized
2507 random numbers. Uses randfunc, often divided by
2508 (double) (((unsigned long) 1 << randbits)) in order to
2509 normalize the result.
2510 In C programs, the macro 'Drand01' is mapped to drand01.
2512 drand48_r_proto (d_drand48_r.U):
2513 This variable encodes the prototype of drand48_r.
2514 It is zero if d_drand48_r is undef, and one of the
2515 REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
2518 dtrace (usedtrace.U):
2519 This variable holds the location of the dtrace executable.
2521 dynamic_ext (Extensions.U):
2522 This variable holds a list of XS extension files we want to
2523 link dynamically into the package. It is used by Makefile.
2525 eagain (nblock_io.U):
2526 This variable bears the symbolic errno code set by read() when no
2527 data is present on the file and non-blocking I/O was enabled (otherwise,
2528 read() blocks naturally).
2531 This variable conditionally defines EBCDIC if this
2532 system uses EBCDIC encoding. Among other things, this
2533 means that the character ranges are not contiguous.
2537 This variable is used internally by Configure to determine the
2538 full pathname (if any) of the echo program. After Configure runs,
2539 the value is reset to a plain "echo" and is not useful.
2542 This variable is used internally by Configure to determine the
2543 full pathname (if any) of the egrep program. After Configure runs,
2544 the value is reset to a plain "egrep" and is not useful.
2547 This variable is defined but not used by Configure.
2548 The value is the empty string and is not useful.
2550 endgrent_r_proto (d_endgrent_r.U):
2551 This variable encodes the prototype of endgrent_r.
2552 It is zero if d_endgrent_r is undef, and one of the
2553 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endgrent_r
2556 endhostent_r_proto (d_endhostent_r.U):
2557 This variable encodes the prototype of endhostent_r.
2558 It is zero if d_endhostent_r is undef, and one of the
2559 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endhostent_r
2562 endnetent_r_proto (d_endnetent_r.U):
2563 This variable encodes the prototype of endnetent_r.
2564 It is zero if d_endnetent_r is undef, and one of the
2565 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endnetent_r
2568 endprotoent_r_proto (d_endprotoent_r.U):
2569 This variable encodes the prototype of endprotoent_r.
2570 It is zero if d_endprotoent_r is undef, and one of the
2571 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endprotoent_r
2574 endpwent_r_proto (d_endpwent_r.U):
2575 This variable encodes the prototype of endpwent_r.
2576 It is zero if d_endpwent_r is undef, and one of the
2577 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endpwent_r
2580 endservent_r_proto (d_endservent_r.U):
2581 This variable encodes the prototype of endservent_r.
2582 It is zero if d_endservent_r is undef, and one of the
2583 REENTRANT_PROTO_T_ABC macros of reentr.h if d_endservent_r
2587 When running under Eunice this variable contains a command which will
2588 convert a shell script to the proper form of text file for it to be
2589 executable by the shell. On other systems it is a no-op.
2592 This is an old synonym for _exe.
2595 This variable is used internally by Configure to determine the
2596 full pathname (if any) of the expr program. After Configure runs,
2597 the value is reset to a plain "expr" and is not useful.
2599 extensions (Extensions.U):
2600 This variable holds a list of all extension files (both XS and
2601 non-xs linked into the package. It is propagated to Config.pm
2602 and is typically used to test whether a particular extesion
2606 ANSI C requires 'extern' where C++ requires 'extern "C"'. This
2607 variable can be used in Configure to do the right thing.
2610 This variable holds a list of extra modules to install.
2612 fflushall (fflushall.U):
2613 This symbol, if defined, tells that to flush
2614 all pending stdio output one must loop through all
2615 the stdio file handles stored in an array and fflush them.
2616 Note that if fflushNULL is defined, fflushall will not
2617 even be probed for and will be left undefined.
2619 fflushNULL (fflushall.U):
2620 This symbol, if defined, tells that fflush(NULL) does flush
2621 all pending stdio output.
2624 This variable is defined but not used by Configure.
2625 The value is the empty string and is not useful.
2627 firstmakefile (Unix.U):
2628 This variable defines the first file searched by make. On unix,
2629 it is makefile (then Makefile). On case-insensitive systems,
2630 it might be something else. This is only used to deal with
2631 convoluted make depend tricks.
2634 This variable is defined but not used by Configure.
2635 The value is the empty string and is not useful.
2637 fpossize (fpossize.U):
2638 This variable contains the size of a fpostype in bytes.
2640 fpostype (fpostype.U):
2641 This variable defines Fpos_t to be something like fpos_t, long,
2642 uint, or whatever type is used to declare file positions in libc.
2644 freetype (mallocsrc.U):
2645 This variable contains the return type of free(). It is usually
2646 void, but occasionally int.
2649 This variable contains the command used by Configure
2650 to copy files from the target host. Useful and available
2651 only during Perl build.
2652 The string ':' if not cross-compiling.
2655 This variable contains the full pathname to 'ar', whether or
2656 not the user has specified 'portability'. This is only used
2660 This variable contains the full pathname to 'csh', whether or
2661 not the user has specified 'portability'. This is only used
2662 in the compiled C program, and we assume that all systems which
2663 can share this executable will have the same full pathname to
2666 full_sed (Loc_sed.U):
2667 This variable contains the full pathname to 'sed', whether or
2668 not the user has specified 'portability'. This is only used
2669 in the compiled C program, and we assume that all systems which
2670 can share this executable will have the same full pathname to
2673 gccansipedantic (gccvers.U):
2674 If GNU cc (gcc) is used, this variable will enable (if set) the
2675 -ansi and -pedantic ccflags for building core files (through
2676 cflags script). (See Porting/pumpkin.pod for full description).
2678 gccosandvers (gccvers.U):
2679 If GNU cc (gcc) is used, this variable holds the operating system
2680 and version used to compile gcc. It is set to '' if not gcc,
2681 or if nothing useful can be parsed as the os version.
2683 gccversion (gccvers.U):
2684 If GNU cc (gcc) is used, this variable holds '1' or '2' to
2685 indicate whether the compiler is version 1 or 2. This is used in
2686 setting some of the default cflags. It is set to '' if not gcc.
2688 getgrent_r_proto (d_getgrent_r.U):
2689 This variable encodes the prototype of getgrent_r.
2690 It is zero if d_getgrent_r is undef, and one of the
2691 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrent_r
2694 getgrgid_r_proto (d_getgrgid_r.U):
2695 This variable encodes the prototype of getgrgid_r.
2696 It is zero if d_getgrgid_r is undef, and one of the
2697 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrgid_r
2700 getgrnam_r_proto (d_getgrnam_r.U):
2701 This variable encodes the prototype of getgrnam_r.
2702 It is zero if d_getgrnam_r is undef, and one of the
2703 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrnam_r
2706 gethostbyaddr_r_proto (d_gethostbyaddr_r.U):
2707 This variable encodes the prototype of gethostbyaddr_r.
2708 It is zero if d_gethostbyaddr_r is undef, and one of the
2709 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyaddr_r
2712 gethostbyname_r_proto (d_gethostbyname_r.U):
2713 This variable encodes the prototype of gethostbyname_r.
2714 It is zero if d_gethostbyname_r is undef, and one of the
2715 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyname_r
2718 gethostent_r_proto (d_gethostent_r.U):
2719 This variable encodes the prototype of gethostent_r.
2720 It is zero if d_gethostent_r is undef, and one of the
2721 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostent_r
2724 getlogin_r_proto (d_getlogin_r.U):
2725 This variable encodes the prototype of getlogin_r.
2726 It is zero if d_getlogin_r is undef, and one of the
2727 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getlogin_r
2730 getnetbyaddr_r_proto (d_getnetbyaddr_r.U):
2731 This variable encodes the prototype of getnetbyaddr_r.
2732 It is zero if d_getnetbyaddr_r is undef, and one of the
2733 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyaddr_r
2736 getnetbyname_r_proto (d_getnetbyname_r.U):
2737 This variable encodes the prototype of getnetbyname_r.
2738 It is zero if d_getnetbyname_r is undef, and one of the
2739 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyname_r
2742 getnetent_r_proto (d_getnetent_r.U):
2743 This variable encodes the prototype of getnetent_r.
2744 It is zero if d_getnetent_r is undef, and one of the
2745 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetent_r
2748 getprotobyname_r_proto (d_getprotobyname_r.U):
2749 This variable encodes the prototype of getprotobyname_r.
2750 It is zero if d_getprotobyname_r is undef, and one of the
2751 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobyname_r
2754 getprotobynumber_r_proto (d_getprotobynumber_r.U):
2755 This variable encodes the prototype of getprotobynumber_r.
2756 It is zero if d_getprotobynumber_r is undef, and one of the
2757 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobynumber_r
2760 getprotoent_r_proto (d_getprotoent_r.U):
2761 This variable encodes the prototype of getprotoent_r.
2762 It is zero if d_getprotoent_r is undef, and one of the
2763 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotoent_r
2766 getpwent_r_proto (d_getpwent_r.U):
2767 This variable encodes the prototype of getpwent_r.
2768 It is zero if d_getpwent_r is undef, and one of the
2769 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwent_r
2772 getpwnam_r_proto (d_getpwnam_r.U):
2773 This variable encodes the prototype of getpwnam_r.
2774 It is zero if d_getpwnam_r is undef, and one of the
2775 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwnam_r
2778 getpwuid_r_proto (d_getpwuid_r.U):
2779 This variable encodes the prototype of getpwuid_r.
2780 It is zero if d_getpwuid_r is undef, and one of the
2781 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwuid_r
2784 getservbyname_r_proto (d_getservbyname_r.U):
2785 This variable encodes the prototype of getservbyname_r.
2786 It is zero if d_getservbyname_r is undef, and one of the
2787 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyname_r
2790 getservbyport_r_proto (d_getservbyport_r.U):
2791 This variable encodes the prototype of getservbyport_r.
2792 It is zero if d_getservbyport_r is undef, and one of the
2793 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyport_r
2796 getservent_r_proto (d_getservent_r.U):
2797 This variable encodes the prototype of getservent_r.
2798 It is zero if d_getservent_r is undef, and one of the
2799 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservent_r
2802 getspnam_r_proto (d_getspnam_r.U):
2803 This variable encodes the prototype of getspnam_r.
2804 It is zero if d_getspnam_r is undef, and one of the
2805 REENTRANT_PROTO_T_ABC macros of reentr.h if d_getspnam_r
2809 This variable contains the format string used for printing a Gid_t.
2811 gidsign (gidsign.U):
2812 This variable contains the signedness of a gidtype.
2813 1 for unsigned, -1 for signed.
2815 gidsize (gidsize.U):
2816 This variable contains the size of a gidtype in bytes.
2818 gidtype (gidtype.U):
2819 This variable defines Gid_t to be something like gid_t, int,
2820 ushort, or whatever type is used to declare the return type
2821 of getgid(). Typically, it is the type of group ids in the kernel.
2824 This variable holds the general path (space-separated) used to
2825 find libraries. It may contain directories that do not exist on
2826 this platform, libpth is the cleaned-up version.
2829 This variable is used internally by Configure to determine the
2830 full pathname (if any) of the gmake program. After Configure runs,
2831 the value is reset to a plain "gmake" and is not useful.
2833 gmtime_r_proto (d_gmtime_r.U):
2834 This variable encodes the prototype of gmtime_r.
2835 It is zero if d_gmtime_r is undef, and one of the
2836 REENTRANT_PROTO_T_ABC macros of reentr.h if d_gmtime_r
2839 gnulibc_version (d_gnulibc.U):
2840 This variable contains the version number of the GNU C library.
2841 It is usually something like '2.2.5'. It is a plain '' if this
2842 is not the GNU C library, or if the version is unknown.
2845 This variable is used internally by Configure to determine the
2846 full pathname (if any) of the grep program. After Configure runs,
2847 the value is reset to a plain "grep" and is not useful.
2850 This variable contains a command that produces the text of the
2851 /etc/group file. This is normally "cat /etc/group", but can be
2852 "ypcat group" when NIS is used.
2853 On some systems, such as os390, there may be no equivalent
2854 command, in which case this variable is unset.
2856 groupstype (groupstype.U):
2857 This variable defines Groups_t to be something like gid_t, int,
2858 ushort, or whatever type is used for the second argument to
2859 getgroups() and setgroups(). Usually, this is the same as
2860 gidtype (gid_t), but sometimes it isn't.
2863 This variable is used internally by Configure to determine the
2864 full pathname (if any) of the gzip program. After Configure runs,
2865 the value is reset to a plain "gzip" and is not useful.
2867 h_fcntl (h_fcntl.U):
2868 This is variable gets set in various places to tell i_fcntl that
2869 <fcntl.h> should be included.
2871 h_sysfile (h_sysfile.U):
2872 This is variable gets set in various places to tell i_sys_file that
2873 <sys/file.h> should be included.
2876 Gives the type of hints used for previous answers. May be one of
2877 "default", "recommended" or "previous".
2880 This variable contains a command that produces the text of the
2881 /etc/hosts file. This is normally "cat /etc/hosts", but can be
2882 "ypcat hosts" when NIS is used.
2883 On some systems, such as os390, there may be no equivalent
2884 command, in which case this variable is unset.
2886 html1dir (html1dir.U):
2887 This variable contains the name of the directory in which html
2888 source pages are to be put. This directory is for pages
2889 that describe whole programs, not libraries or modules. It
2890 is intended to correspond roughly to section 1 of the Unix
2893 html1direxp (html1dir.U):
2894 This variable is the same as the html1dir variable, but is filename
2895 expanded at configuration time, for convenient use in makefiles.
2897 html3dir (html3dir.U):
2898 This variable contains the name of the directory in which html
2899 source pages are to be put. This directory is for pages
2900 that describe libraries or modules. It is intended to
2901 correspond roughly to section 3 of the Unix manuals.
2903 html3direxp (html3dir.U):
2904 This variable is the same as the html3dir variable, but is filename
2905 expanded at configuration time, for convenient use in makefiles.
2908 This variable is the size of an I16 in bytes.
2911 This variable contains the C type used for Perl's I16.
2914 This variable is the size of an I32 in bytes.
2917 This variable contains the C type used for Perl's I32.
2920 This variable is the size of an I64 in bytes.
2923 This variable contains the C type used for Perl's I64.
2926 This variable is the size of an I8 in bytes.
2929 This variable contains the C type used for Perl's I8.
2931 i_arpainet (i_arpainet.U):
2932 This variable conditionally defines the I_ARPA_INET symbol,
2933 and indicates whether a C program should include <arpa/inet.h>.
2935 i_assert (i_assert.U):
2936 This variable conditionally defines the I_ASSERT symbol, which
2937 indicates to the C program that <assert.h> exists and could be
2940 i_bsdioctl (i_sysioctl.U):
2941 This variable conditionally defines the I_SYS_BSDIOCTL symbol, which
2942 indicates to the C program that <sys/bsdioctl.h> exists and should
2945 i_crypt (i_crypt.U):
2946 This variable conditionally defines the I_CRYPT symbol, and indicates
2947 whether a C program should include <crypt.h>.
2950 This variable conditionally defines the I_DB symbol, and indicates
2951 whether a C program may include Berkeley's DB include file <db.h>.
2954 This variable conditionally defines the I_DBM symbol, which
2955 indicates to the C program that <dbm.h> exists and should
2958 i_dirent (i_dirent.U):
2959 This variable conditionally defines I_DIRENT, which indicates
2960 to the C program that it should include <dirent.h>.
2963 This variable conditionally defines the I_DLD symbol, which
2964 indicates to the C program that <dld.h> (GNU dynamic loading)
2965 exists and should be included.
2967 i_dlfcn (i_dlfcn.U):
2968 This variable conditionally defines the I_DLFCN symbol, which
2969 indicates to the C program that <dlfcn.h> exists and should
2972 i_fcntl (i_fcntl.U):
2973 This variable controls the value of I_FCNTL (which tells
2974 the C program to include <fcntl.h>).
2976 i_float (i_float.U):
2977 This variable conditionally defines the I_FLOAT symbol, and indicates
2978 whether a C program may include <float.h> to get symbols like DBL_MAX
2979 or DBL_MIN, i.e. machine dependent floating point values.
2982 This variable conditionally defines the I_FP symbol, and indicates
2983 whether a C program should include <fp.h>.
2985 i_fp_class (i_fp_class.U):
2986 This variable conditionally defines the I_FP_CLASS symbol, and indicates
2987 whether a C program should include <fp_class.h>.
2990 This variable conditionally defines the I_GDBM symbol, which
2991 indicates to the C program that <gdbm.h> exists and should
2994 i_gdbm_ndbm (i_ndbm.U):
2995 This variable conditionally defines the I_GDBM_NDBM symbol, which
2996 indicates to the C program that <gdbm-ndbm.h> exists and should
2997 be included. This is the location of the ndbm.h compatibility file
3000 i_gdbmndbm (i_ndbm.U):
3001 This variable conditionally defines the I_GDBMNDBM symbol, which
3002 indicates to the C program that <gdbm/ndbm.h> exists and should
3003 be included. This was the location of the ndbm.h compatibility file
3007 This variable conditionally defines the I_GRP symbol, and indicates
3008 whether a C program should include <grp.h>.
3010 i_ieeefp (i_ieeefp.U):
3011 This variable conditionally defines the I_IEEEFP symbol, and indicates
3012 whether a C program should include <ieeefp.h>.
3014 i_inttypes (i_inttypes.U):
3015 This variable conditionally defines the I_INTTYPES symbol,
3016 and indicates whether a C program should include <inttypes.h>.
3018 i_langinfo (i_langinfo.U):
3019 This variable conditionally defines the I_LANGINFO symbol,
3020 and indicates whether a C program should include <langinfo.h>.
3022 i_libutil (i_libutil.U):
3023 This variable conditionally defines the I_LIBUTIL symbol, and indicates
3024 whether a C program should include <libutil.h>.
3026 i_limits (i_limits.U):
3027 This variable conditionally defines the I_LIMITS symbol, and indicates
3028 whether a C program may include <limits.h> to get symbols like WORD_BIT
3031 i_locale (i_locale.U):
3032 This variable conditionally defines the I_LOCALE symbol,
3033 and indicates whether a C program should include <locale.h>.
3035 i_machcthr (i_machcthr.U):
3036 This variable conditionally defines the I_MACH_CTHREADS symbol,
3037 and indicates whether a C program should include <mach/cthreads.h>.
3039 i_malloc (i_malloc.U):
3040 This variable conditionally defines the I_MALLOC symbol, and indicates
3041 whether a C program should include <malloc.h>.
3043 i_mallocmalloc (i_mallocmalloc.U):
3044 This variable conditionally defines the I_MALLOCMALLOC symbol,
3045 and indicates whether a C program should include <malloc/malloc.h>.
3048 This variable conditionally defines the I_MATH symbol, and indicates
3049 whether a C program may include <math.h>.
3051 i_memory (i_memory.U):
3052 This variable conditionally defines the I_MEMORY symbol, and indicates
3053 whether a C program should include <memory.h>.
3055 i_mntent (i_mntent.U):
3056 This variable conditionally defines the I_MNTENT symbol, and indicates
3057 whether a C program should include <mntent.h>.
3060 This variable conditionally defines the I_NDBM symbol, which
3061 indicates to the C program that <ndbm.h> exists and should
3064 i_netdb (i_netdb.U):
3065 This variable conditionally defines the I_NETDB symbol, and indicates
3066 whether a C program should include <netdb.h>.
3068 i_neterrno (i_neterrno.U):
3069 This variable conditionally defines the I_NET_ERRNO symbol, which
3070 indicates to the C program that <net/errno.h> exists and should
3073 i_netinettcp (i_netinettcp.U):
3074 This variable conditionally defines the I_NETINET_TCP symbol,
3075 and indicates whether a C program should include <netinet/tcp.h>.
3078 This variable conditionally defines I_NETINET_IN, which indicates
3079 to the C program that it should include <netinet/in.h>. Otherwise,
3080 you may try <sys/in.h>.
3083 This variable conditionally defines the I_POLL symbol, and indicates
3084 whether a C program should include <poll.h>.
3087 This variable conditionally defines the I_PROT symbol, and indicates
3088 whether a C program should include <prot.h>.
3090 i_pthread (i_pthread.U):
3091 This variable conditionally defines the I_PTHREAD symbol,
3092 and indicates whether a C program should include <pthread.h>.
3095 This variable conditionally defines I_PWD, which indicates
3096 to the C program that it should include <pwd.h>.
3098 i_rpcsvcdbm (i_dbm.U):
3099 This variable conditionally defines the I_RPCSVC_DBM symbol, which
3100 indicates to the C program that <rpcsvc/dbm.h> exists and should
3101 be included. Some System V systems might need this instead of <dbm.h>.
3104 This variable conditionally defines the I_SFIO symbol,
3105 and indicates whether a C program should include <sfio.h>.
3107 i_sgtty (i_termio.U):
3108 This variable conditionally defines the I_SGTTY symbol, which
3109 indicates to the C program that it should include <sgtty.h> rather
3112 i_shadow (i_shadow.U):
3113 This variable conditionally defines the I_SHADOW symbol, and indicates
3114 whether a C program should include <shadow.h>.
3116 i_socks (i_socks.U):
3117 This variable conditionally defines the I_SOCKS symbol, and indicates
3118 whether a C program should include <socks.h>.
3120 i_stdarg (i_varhdr.U):
3121 This variable conditionally defines the I_STDARG symbol, which
3122 indicates to the C program that <stdarg.h> exists and should
3125 i_stddef (i_stddef.U):
3126 This variable conditionally defines the I_STDDEF symbol, which
3127 indicates to the C program that <stddef.h> exists and should
3130 i_stdlib (i_stdlib.U):
3131 This variable conditionally defines the I_STDLIB symbol, which
3132 indicates to the C program that <stdlib.h> exists and should
3135 i_string (i_string.U):
3136 This variable conditionally defines the I_STRING symbol, which
3137 indicates that <string.h> should be included rather than <strings.h>.
3139 i_sunmath (i_sunmath.U):
3140 This variable conditionally defines the I_SUNMATH symbol, and indicates
3141 whether a C program should include <sunmath.h>.
3143 i_sysaccess (i_sysaccess.U):
3144 This variable conditionally defines the I_SYS_ACCESS symbol,
3145 and indicates whether a C program should include <sys/access.h>.
3147 i_sysdir (i_sysdir.U):
3148 This variable conditionally defines the I_SYS_DIR symbol, and indicates
3149 whether a C program should include <sys/dir.h>.
3151 i_sysfile (i_sysfile.U):
3152 This variable conditionally defines the I_SYS_FILE symbol, and indicates
3153 whether a C program should include <sys/file.h> to get R_OK and friends.
3155 i_sysfilio (i_sysioctl.U):
3156 This variable conditionally defines the I_SYS_FILIO symbol, which
3157 indicates to the C program that <sys/filio.h> exists and should
3158 be included in preference to <sys/ioctl.h>.
3161 This variable conditionally defines I_SYS_IN, which indicates
3162 to the C program that it should include <sys/in.h> instead of
3165 i_sysioctl (i_sysioctl.U):
3166 This variable conditionally defines the I_SYS_IOCTL symbol, which
3167 indicates to the C program that <sys/ioctl.h> exists and should
3170 i_syslog (i_syslog.U):
3171 This variable conditionally defines the I_SYSLOG symbol,
3172 and indicates whether a C program should include <syslog.h>.
3174 i_sysmman (i_sysmman.U):
3175 This variable conditionally defines the I_SYS_MMAN symbol, and
3176 indicates whether a C program should include <sys/mman.h>.
3178 i_sysmode (i_sysmode.U):
3179 This variable conditionally defines the I_SYSMODE symbol,
3180 and indicates whether a C program should include <sys/mode.h>.
3182 i_sysmount (i_sysmount.U):
3183 This variable conditionally defines the I_SYSMOUNT symbol,
3184 and indicates whether a C program should include <sys/mount.h>.
3186 i_sysndir (i_sysndir.U):
3187 This variable conditionally defines the I_SYS_NDIR symbol, and indicates
3188 whether a C program should include <sys/ndir.h>.
3190 i_sysparam (i_sysparam.U):
3191 This variable conditionally defines the I_SYS_PARAM symbol, and indicates
3192 whether a C program should include <sys/param.h>.
3194 i_syspoll (i_syspoll.U):
3195 This variable conditionally defines the I_SYS_POLL symbol, which
3196 indicates to the C program that it should include <sys/poll.h>.
3198 i_sysresrc (i_sysresrc.U):
3199 This variable conditionally defines the I_SYS_RESOURCE symbol,
3200 and indicates whether a C program should include <sys/resource.h>.
3202 i_syssecrt (i_syssecrt.U):
3203 This variable conditionally defines the I_SYS_SECURITY symbol,
3204 and indicates whether a C program should include <sys/security.h>.
3206 i_sysselct (i_sysselct.U):
3207 This variable conditionally defines I_SYS_SELECT, which indicates
3208 to the C program that it should include <sys/select.h> in order to
3209 get the definition of struct timeval.
3211 i_syssockio (i_sysioctl.U):
3212 This variable conditionally defines I_SYS_SOCKIO to indicate to the
3213 C program that socket ioctl codes may be found in <sys/sockio.h>
3214 instead of <sys/ioctl.h>.
3216 i_sysstat (i_sysstat.U):
3217 This variable conditionally defines the I_SYS_STAT symbol,
3218 and indicates whether a C program should include <sys/stat.h>.
3220 i_sysstatfs (i_sysstatfs.U):
3221 This variable conditionally defines the I_SYSSTATFS symbol,
3222 and indicates whether a C program should include <sys/statfs.h>.
3224 i_sysstatvfs (i_sysstatvfs.U):
3225 This variable conditionally defines the I_SYSSTATVFS symbol,
3226 and indicates whether a C program should include <sys/statvfs.h>.
3228 i_systime (i_time.U):
3229 This variable conditionally defines I_SYS_TIME, which indicates
3230 to the C program that it should include <sys/time.h>.
3232 i_systimek (i_time.U):
3233 This variable conditionally defines I_SYS_TIME_KERNEL, which
3234 indicates to the C program that it should include <sys/time.h>
3235 with KERNEL defined.
3237 i_systimes (i_systimes.U):
3238 This variable conditionally defines the I_SYS_TIMES symbol, and indicates
3239 whether a C program should include <sys/times.h>.
3241 i_systypes (i_systypes.U):
3242 This variable conditionally defines the I_SYS_TYPES symbol,
3243 and indicates whether a C program should include <sys/types.h>.
3245 i_sysuio (i_sysuio.U):
3246 This variable conditionally defines the I_SYSUIO symbol, and indicates
3247 whether a C program should include <sys/uio.h>.
3249 i_sysun (i_sysun.U):
3250 This variable conditionally defines I_SYS_UN, which indicates
3251 to the C program that it should include <sys/un.h> to get UNIX
3252 domain socket definitions.
3254 i_sysutsname (i_sysutsname.U):
3255 This variable conditionally defines the I_SYSUTSNAME symbol,
3256 and indicates whether a C program should include <sys/utsname.h>.
3258 i_sysvfs (i_sysvfs.U):
3259 This variable conditionally defines the I_SYSVFS symbol,
3260 and indicates whether a C program should include <sys/vfs.h>.
3262 i_syswait (i_syswait.U):
3263 This variable conditionally defines I_SYS_WAIT, which indicates
3264 to the C program that it should include <sys/wait.h>.
3266 i_termio (i_termio.U):
3267 This variable conditionally defines the I_TERMIO symbol, which
3268 indicates to the C program that it should include <termio.h> rather
3271 i_termios (i_termio.U):
3272 This variable conditionally defines the I_TERMIOS symbol, which
3273 indicates to the C program that the POSIX <termios.h> file is
3277 This variable conditionally defines I_TIME, which indicates
3278 to the C program that it should include <time.h>.
3280 i_unistd (i_unistd.U):
3281 This variable conditionally defines the I_UNISTD symbol, and indicates
3282 whether a C program should include <unistd.h>.
3284 i_ustat (i_ustat.U):
3285 This variable conditionally defines the I_USTAT symbol, and indicates
3286 whether a C program should include <ustat.h>.
3288 i_utime (i_utime.U):
3289 This variable conditionally defines the I_UTIME symbol, and indicates
3290 whether a C program should include <utime.h>.
3292 i_values (i_values.U):
3293 This variable conditionally defines the I_VALUES symbol, and indicates
3294 whether a C program may include <values.h> to get symbols like MAXLONG
3297 i_varargs (i_varhdr.U):
3298 This variable conditionally defines I_VARARGS, which indicates
3299 to the C program that it should include <varargs.h>.
3301 i_varhdr (i_varhdr.U):
3302 Contains the name of the header to be included to get va_dcl definition.
3303 Typically one of varargs.h or stdarg.h.
3305 i_vfork (i_vfork.U):
3306 This variable conditionally defines the I_VFORK symbol, and indicates
3307 whether a C program should include vfork.h.
3309 ignore_versioned_solibs (libs.U):
3310 This variable should be non-empty if non-versioned shared
3311 libraries (libfoo.so.x.y) are to be ignored (because they
3312 cannot be linked against).
3314 inc_version_list (inc_version_list.U):
3315 This variable specifies the list of subdirectories in over
3316 which perl.c:incpush() and lib/lib.pm will automatically
3317 search when adding directories to @INC. The elements in
3318 the list are separated by spaces. This is only useful
3319 if you have a perl library directory tree structured like the
3320 default one. See INSTALL for how this works. The versioned
3321 site_perl directory was introduced in 5.005, so that is the
3322 lowest possible value.
3324 This list includes architecture-dependent directories back to
3325 version $api_versionstring (e.g. 5.5.640) and
3326 architecture-independent directories all the way back to
3329 inc_version_list_init (inc_version_list.U):
3330 This variable holds the same list as inc_version_list, but
3331 each item is enclosed in double quotes and separated by commas,
3332 suitable for use in the PERL_INC_VERSION_LIST initialization.
3335 This variable must preceed the normal include path to get hte
3336 right one, as in "$incpath/usr/include" or "$incpath/usr/lib".
3337 Value can be "" or "/bsd43" on mips.
3340 This variable is defined but not used by Configure.
3341 The value is the empty string and is not useful.
3343 initialinstalllocation (bin.U):
3344 When userelocatableinc is true, this variable holds the location
3345 that make install should copy the perl binary to, with all the
3346 run-time relocatable paths calculated from this at install time.
3347 When used, it is initialised to the original value of binexp, and
3348 then binexp is set to '.../', as the other binaries are found
3349 relative to the perl binary.
3351 installarchlib (archlib.U):
3352 This variable is really the same as archlibexp but may differ on
3353 those systems using AFS. For extra portability, only this variable
3354 should be used in makefiles.
3357 This variable is the same as binexp unless AFS is running in which case
3358 the user is explicitely prompted for it. This variable should always
3359 be used in your makefiles for maximum portability.
3361 installhtml1dir (html1dir.U):
3362 This variable is really the same as html1direxp, unless you are
3363 using a different installprefix. For extra portability, you
3364 should only use this variable within your makefiles.
3366 installhtml3dir (html3dir.U):
3367 This variable is really the same as html3direxp, unless you are
3368 using a different installprefix. For extra portability, you
3369 should only use this variable within your makefiles.
3371 installman1dir (man1dir.U):
3372 This variable is really the same as man1direxp, unless you are using
3373 AFS in which case it points to the read/write location whereas
3374 man1direxp only points to the read-only access location. For extra
3375 portability, you should only use this variable within your makefiles.
3377 installman3dir (man3dir.U):
3378 This variable is really the same as man3direxp, unless you are using
3379 AFS in which case it points to the read/write location whereas
3380 man3direxp only points to the read-only access location. For extra
3381 portability, you should only use this variable within your makefiles.
3383 installprefix (installprefix.U):
3384 This variable holds the name of the directory below which
3385 "make install" will install the package. For most users, this
3386 is the same as prefix. However, it is useful for
3387 installing the software into a different (usually temporary)
3388 location after which it can be bundled up and moved somehow
3389 to the final location specified by prefix.
3391 installprefixexp (installprefix.U):
3392 This variable holds the full absolute path of installprefix
3393 with all ~-expansion done.
3395 installprivlib (privlib.U):
3396 This variable is really the same as privlibexp but may differ on
3397 those systems using AFS. For extra portability, only this variable
3398 should be used in makefiles.
3400 installscript (scriptdir.U):
3401 This variable is usually the same as scriptdirexp, unless you are on
3402 a system running AFS, in which case they may differ slightly. You
3403 should always use this variable within your makefiles for portability.
3405 installsitearch (sitearch.U):
3406 This variable is really the same as sitearchexp but may differ on
3407 those systems using AFS. For extra portability, only this variable
3408 should be used in makefiles.
3410 installsitebin (sitebin.U):
3411 This variable is usually the same as sitebinexp, unless you are on
3412 a system running AFS, in which case they may differ slightly. You
3413 should always use this variable within your makefiles for portability.
3415 installsitehtml1dir (sitehtml1dir.U):
3416 This variable is really the same as sitehtml1direxp, unless you are using
3417 AFS in which case it points to the read/write location whereas
3418 html1direxp only points to the read-only access location. For extra
3419 portability, you should only use this variable within your makefiles.
3421 installsitehtml3dir (sitehtml3dir.U):
3422 This variable is really the same as sitehtml3direxp, unless you are using
3423 AFS in which case it points to the read/write location whereas
3424 html3direxp only points to the read-only access location. For extra
3425 portability, you should only use this variable within your makefiles.
3427 installsitelib (sitelib.U):
3428 This variable is really the same as sitelibexp but may differ on
3429 those systems using AFS. For extra portability, only this variable
3430 should be used in makefiles.
3432 installsiteman1dir (siteman1dir.U):
3433 This variable is really the same as siteman1direxp, unless you are using
3434 AFS in which case it points to the read/write location whereas
3435 man1direxp only points to the read-only access location. For extra
3436 portability, you should only use this variable within your makefiles.
3438 installsiteman3dir (siteman3dir.U):
3439 This variable is really the same as siteman3direxp, unless you are using
3440 AFS in which case it points to the read/write location whereas
3441 man3direxp only points to the read-only access location. For extra
3442 portability, you should only use this variable within your makefiles.
3444 installsitescript (sitescript.U):
3445 This variable is usually the same as sitescriptexp, unless you are on
3446 a system running AFS, in which case they may differ slightly. You
3447 should always use this variable within your makefiles for portability.
3449 installstyle (installstyle.U):
3450 This variable describes the "style" of the perl installation.
3451 This is intended to be useful for tools that need to
3452 manipulate entire perl distributions. Perl itself doesn't use
3453 this to find its libraries -- the library directories are
3454 stored directly in Config.pm. Currently, there are only two
3455 styles: "lib" and "lib/perl5". The default library locations
3456 (e.g. privlib, sitelib) are either $prefix/lib or
3457 $prefix/lib/perl5. The former is useful if $prefix is a
3458 directory dedicated to perl (e.g. /opt/perl), while the latter
3459 is useful if $prefix is shared by many packages, e.g. if
3462 Unfortunately, while this "style" variable is used to set
3463 defaults for all three directory hierarchies (core, vendor, and
3464 site), there is no guarantee that the same style is actually
3465 appropriate for all those directories. For example, $prefix
3466 might be /opt/perl, but $siteprefix might be /usr/local.
3467 (Perhaps, in retrospect, the "lib" style should never have been
3468 supported, but it did seem like a nice idea at the time.)
3470 The situation is even less clear for tools such as MakeMaker
3471 that can be used to install additional modules into
3472 non-standard places. For example, if a user intends to install
3473 a module into a private directory (perhaps by setting PREFIX on
3474 the Makefile.PL command line), then there is no reason to
3475 assume that the Configure-time $installstyle setting will be
3476 relevant for that PREFIX.
3478 This may later be extended to include other information, so
3479 be careful with pattern-matching on the results.
3481 For compatibility with perl5.005 and earlier, the default
3482 setting is based on whether or not $prefix contains the string
3485 installusrbinperl (instubperl.U):
3486 This variable tells whether Perl should be installed also as
3487 /usr/bin/perl in addition to
3490 installvendorarch (vendorarch.U):
3491 This variable is really the same as vendorarchexp but may differ on
3492 those systems using AFS. For extra portability, only this variable
3493 should be used in makefiles.
3495 installvendorbin (vendorbin.U):
3496 This variable is really the same as vendorbinexp but may differ on
3497 those systems using AFS. For extra portability, only this variable
3498 should be used in makefiles.
3500 installvendorhtml1dir (vendorhtml1dir.U):
3501 This variable is really the same as vendorhtml1direxp but may differ on
3502 those systems using AFS. For extra portability, only this variable
3503 should be used in makefiles.
3505 installvendorhtml3dir (vendorhtml3dir.U):
3506 This variable is really the same as vendorhtml3direxp but may differ on
3507 those systems using AFS. For extra portability, only this variable
3508 should be used in makefiles.
3510 installvendorlib (vendorlib.U):
3511 This variable is really the same as vendorlibexp but may differ on
3512 those systems using AFS. For extra portability, only this variable
3513 should be used in makefiles.
3515 installvendorman1dir (vendorman1dir.U):
3516 This variable is really the same as vendorman1direxp but may differ on
3517 those systems using AFS. For extra portability, only this variable
3518 should be used in makefiles.
3520 installvendorman3dir (vendorman3dir.U):
3521 This variable is really the same as vendorman3direxp but may differ on
3522 those systems using AFS. For extra portability, only this variable
3523 should be used in makefiles.
3525 installvendorscript (vendorscript.U):
3526 This variable is really the same as vendorscriptexp but may differ on
3527 those systems using AFS. For extra portability, only this variable
3528 should be used in makefiles.
3530 intsize (intsize.U):
3531 This variable contains the value of the INTSIZE symbol, which
3532 indicates to the C program how many bytes there are in an int.
3534 issymlink (issymlink.U):
3535 This variable holds the test command to test for a symbolic link
3536 (if they are supported). Typical values include 'test -h' and
3539 ivdformat (perlxvf.U):
3540 This variable contains the format string used for printing
3541 a Perl IV as a signed decimal integer.
3544 This variable is the size of an IV in bytes.
3547 This variable contains the C type used for Perl's IV.
3549 known_extensions (Extensions.U):
3550 This variable holds a list of all XS extensions included in
3554 This variable is defined but not used by Configure.
3555 The value is the empty string and is not useful.
3558 This variable indicates the program to be used to link
3559 libraries for dynamic loading. On some systems, it is 'ld'.
3560 On ELF systems, it should be $cc. Mostly, we'll try to respect
3561 the hint file setting.
3563 lddlflags (dlsrc.U):
3564 This variable contains any special flags that might need to be
3565 passed to $ld to create a shared library suitable for dynamic
3566 loading. It is up to the makefile to use it. For hpux, it
3567 should be '-b'. For sunos 4.1, it is empty.
3569 ldflags (ccflags.U):
3570 This variable contains any additional C loader flags desired by
3571 the user. It is up to the Makefile to use this.
3573 ldflags_uselargefiles (uselfs.U):
3574 This variable contains the loader flags needed by large file builds
3575 and added to ldflags by hints files.
3577 ldlibpthname (libperl.U):
3578 This variable holds the name of the shared library
3579 search path, often LD_LIBRARY_PATH. To get an empty
3580 string, the hints file must set this to 'none'.
3583 This variable is used internally by Configure to determine the
3584 full pathname (if any) of the less program. After Configure runs,
3585 the value is reset to a plain "less" and is not useful.
3588 This is an old synonym for _a.
3591 This variable contains the location of the C library.
3593 libperl (libperl.U):
3594 The perl executable is obtained by linking perlmain.c with
3595 libperl, any static extensions (usually just DynaLoader),
3596 and any other libraries needed on this system. libperl
3597 is usually libperl.a, but can also be libperl.so.xxx if
3598 the user wishes to build a perl executable with a shared
3602 This variable holds the general path (space-separated) used to find
3603 libraries. It is intended to be used by other units.
3606 This variable holds the additional libraries we want to use.
3607 It is up to the Makefile to deal with it. The list can be empty.
3610 This variable holds the directory names aka dirnames of the libraries
3611 we found and accepted, duplicates are removed.
3614 This variable holds the filenames aka basenames of the libraries
3615 we found and accepted.
3618 This variable holds the full pathnames of the libraries
3619 we found and accepted.
3622 This variable holds the directory names probed for libraries.
3624 libswanted (Myinit.U):
3625 This variable holds a list of all the libraries we want to
3626 search. The order is chosen to pick up the c library
3627 ahead of ucb or bsd libraries for SVR4.
3629 libswanted_uselargefiles (uselfs.U):
3630 This variable contains the libraries needed by large file builds
3631 and added to ldflags by hints files. It is a space separated list
3632 of the library names without the "lib" prefix or any suffix, just
3636 This variable is defined but not used by Configure.
3637 The value is the empty string and is not useful.
3640 This variable is defined but not used by Configure.
3641 The value is the empty string and is not useful.
3643 lkflags (ccflags.U):
3644 This variable contains any additional C partial linker flags desired by
3645 the user. It is up to the Makefile to use this.
3648 This variable is used internally by Configure to determine the
3649 full pathname (if any) of the ln program. After Configure runs,
3650 the value is reset to a plain "ln" and is not useful.
3653 This variable holds the name of the command to make
3654 symbolic links (if they are supported). It can be used
3655 in the Makefile. It is either 'ln -s' or 'ln'
3657 localtime_r_proto (d_localtime_r.U):
3658 This variable encodes the prototype of localtime_r.
3659 It is zero if d_localtime_r is undef, and one of the
3660 REENTRANT_PROTO_T_ABC macros of reentr.h if d_localtime_r
3663 locincpth (ccflags.U):
3664 This variable contains a list of additional directories to be
3665 searched by the compiler. The appropriate '-I' directives will
3666 be added to ccflags. This is intended to simplify setting
3667 local directories from the Configure command line.
3668 It's not much, but it parallels the loclibpth stuff in libpth.U.
3670 loclibpth (libpth.U):
3671 This variable holds the paths (space-separated) used to find local
3672 libraries. It is prepended to libpth, and is intended to be easily
3673 set from the command line.
3675 longdblsize (d_longdbl.U):
3676 This variable contains the value of the LONG_DOUBLESIZE symbol, which
3677 indicates to the C program how many bytes there are in a long double,
3678 if this system supports long doubles.
3680 longlongsize (d_longlong.U):
3681 This variable contains the value of the LONGLONGSIZE symbol, which
3682 indicates to the C program how many bytes there are in a long long,
3683 if this system supports long long.
3685 longsize (intsize.U):
3686 This variable contains the value of the LONGSIZE symbol, which
3687 indicates to the C program how many bytes there are in a long.
3690 This variable is defined but not used by Configure.
3691 The value is the empty string and is not useful.
3694 This variable is defined but not used by Configure.
3695 The value is the empty string and is not useful.
3698 This variable is used internally by Configure to determine the
3699 full pathname (if any) of the ls program. After Configure runs,
3700 the value is reset to a plain "ls" and is not useful.
3702 lseeksize (lseektype.U):
3703 This variable defines lseektype to be something like off_t, long,
3704 or whatever type is used to declare lseek offset's type in the
3705 kernel (which also appears to be lseek's return type).
3707 lseektype (lseektype.U):
3708 This variable defines lseektype to be something like off_t, long,
3709 or whatever type is used to declare lseek offset's type in the
3710 kernel (which also appears to be lseek's return type).
3713 This variable indicates that the Misc Attribute Definition code is to
3717 If the Misc Attribute Decoration is to be compiled, this variable is
3718 set to the name of the extra header files to be used, else it is ''
3721 If the Misc Attribute Decoration is to be compiled, this variable is
3722 set to the name of the extra object files to be used, else it is ''
3725 If the Misc Attribute Decoration is to be compiled, this variable is
3726 set to the name of the extra C source files to be used, else it is ''
3729 This variable is defined but not used by Configure.
3730 The value is the empty string and is not useful.
3733 This variable is defined but not used by Configure.
3734 The value is the empty string and is not useful.
3737 This variable is used internally by Configure to determine the
3738 full pathname (if any) of the make program. After Configure runs,
3739 the value is reset to a plain "make" and is not useful.
3741 make_set_make (make.U):
3742 Some versions of 'make' set the variable MAKE. Others do not.
3743 This variable contains the string to be included in Makefile.SH
3744 so that MAKE is set if needed, and not if not needed.
3745 Possible values are:
3747 make_set_make='#' # If your make program handles this for you,
3749 make_set_make="MAKE=$make" # if it doesn't.
3751 This uses a comment character so that we can distinguish a
3752 'set' value (from a previous config.sh or Configure '-D' option)
3753 from an uncomputed value.
3755 mallocobj (mallocsrc.U):
3756 This variable contains the name of the malloc.o that this package
3757 generates, if that malloc.o is preferred over the system malloc.
3758 Otherwise the value is null. This variable is intended for generating
3759 Makefiles. See mallocsrc.
3761 mallocsrc (mallocsrc.U):
3762 This variable contains the name of the malloc.c that comes with
3763 the package, if that malloc.c is preferred over the system malloc.
3764 Otherwise the value is null. This variable is intended for generating
3767 malloctype (mallocsrc.U):
3768 This variable contains the kind of ptr returned by malloc and realloc.
3770 man1dir (man1dir.U):
3771 This variable contains the name of the directory in which manual
3772 source pages are to be put. It is the responsibility of the
3773 Makefile.SH to get the value of this into the proper command.
3774 You must be prepared to do the ~name expansion yourself.
3776 man1direxp (man1dir.U):
3777 This variable is the same as the man1dir variable, but is filename
3778 expanded at configuration time, for convenient use in makefiles.
3780 man1ext (man1dir.U):
3781 This variable contains the extension that the manual page should
3782 have: one of 'n', 'l', or '1'. The Makefile must supply the '.'.
3785 man3dir (man3dir.U):
3786 This variable contains the name of the directory in which manual
3787 source pages are to be put. It is the responsibility of the
3788 Makefile.SH to get the value of this into the proper command.
3789 You must be prepared to do the ~name expansion yourself.
3791 man3direxp (man3dir.U):
3792 This variable is the same as the man3dir variable, but is filename
3793 expanded at configuration time, for convenient use in makefiles.
3795 man3ext (man3dir.U):
3796 This variable contains the extension that the manual page should
3797 have: one of 'n', 'l', or '3'. The Makefile must supply the '.'.
3800 mips_type (usrinc.U):
3801 This variable holds the environment type for the mips system.
3802 Possible values are "BSD 4.3" and "System V".
3804 mistrustnm (Csym.U):
3805 This variable can be used to establish a fallthrough for the cases
3806 where nm fails to find a symbol. If usenm is false or usenm is true
3807 and mistrustnm is false, this variable has no effect. If usenm is true
3808 and mistrustnm is "compile", a test program will be compiled to try to
3809 find any symbol that can't be located via nm lookup. If mistrustnm is
3810 "run", the test program will be run as well as being compiled.
3813 This variable is used internally by Configure to determine the
3814 full pathname (if any) of the mkdir program. After Configure runs,
3815 the value is reset to a plain "mkdir" and is not useful.
3817 mmaptype (d_mmap.U):
3818 This symbol contains the type of pointer returned by mmap()
3819 (and simultaneously the type of the first argument).
3820 It can be 'void *' or 'caddr_t'.
3822 modetype (modetype.U):
3823 This variable defines modetype to be something like mode_t,
3824 int, unsigned short, or whatever type is used to declare file
3825 modes for system calls.
3828 This variable is used internally by Configure to determine the
3829 full pathname (if any) of the more program. After Configure runs,
3830 the value is reset to a plain "more" and is not useful.
3832 multiarch (multiarch.U):
3833 This variable conditionally defines the MULTIARCH symbol
3834 which signifies the presence of multiplatform files.
3835 This is normally set by hints files.
3838 This variable is defined but not used by Configure.
3839 The value is the empty string and is not useful.
3841 myarchname (archname.U):
3842 This variable holds the architecture name computed by Configure in
3843 a previous run. It is not intended to be perused by any user and
3844 should never be set in a hint file.
3846 mydomain (myhostname.U):
3847 This variable contains the eventual value of the MYDOMAIN symbol,
3848 which is the domain of the host the program is going to run on.
3849 The domain must be appended to myhostname to form a complete host name.
3850 The dot comes with mydomain, and need not be supplied by the program.
3852 myhostname (myhostname.U):
3853 This variable contains the eventual value of the MYHOSTNAME symbol,
3854 which is the name of the host the program is going to run on.
3855 The domain is not kept with hostname, but must be gotten from mydomain.
3856 The dot comes with mydomain, and need not be supplied by the program.
3858 myuname (Oldconfig.U):
3859 The output of 'uname -a' if available, otherwise the hostname. On Xenix,
3860 pseudo variables assignments in the output are stripped, thank you. The
3861 whole thing is then lower-cased.
3864 This variable contains the '-n' flag if that is what causes the echo
3865 command to suppress newline. Otherwise it is null. Correct usage is
3866 $echo $n "prompt for a question: $c".
3868 need_va_copy (need_va_copy.U):
3869 This symbol, if defined, indicates that the system stores
3870 the variable argument list datatype, va_list, in a format
3871 that cannot be copied by simple assignment, so that some
3872 other means must be used when copying is required.
3873 As such systems vary in their provision (or non-provision)
3874 of copying mechanisms, handy.h defines a platform-
3875 independent macro, Perl_va_copy(src, dst), to do the job.
3877 netdb_hlen_type (netdbtype.U):
3878 This variable holds the type used for the 2nd argument to
3879 gethostbyaddr(). Usually, this is int or size_t or unsigned.
3880 This is only useful if you have gethostbyaddr(), naturally.
3882 netdb_host_type (netdbtype.U):
3883 This variable holds the type used for the 1st argument to
3884 gethostbyaddr(). Usually, this is char * or void *, possibly
3885 with or without a const prefix.
3886 This is only useful if you have gethostbyaddr(), naturally.
3888 netdb_name_type (netdbtype.U):
3889 This variable holds the type used for the argument to
3890 gethostbyname(). Usually, this is char * or const char *.
3891 This is only useful if you have gethostbyname(), naturally.
3893 netdb_net_type (netdbtype.U):
3894 This variable holds the type used for the 1st argument to
3895 getnetbyaddr(). Usually, this is int or long.
3896 This is only useful if you have getnetbyaddr(), naturally.
3899 This variable is used internally by Configure to determine the
3900 full pathname (if any) of the nm program. After Configure runs,
3901 the value is reset to a plain "nm" and is not useful.
3904 This variable holds the options that may be necessary for nm.
3906 nm_so_opt (usenm.U):
3907 This variable holds the options that may be necessary for nm
3908 to work on a shared library but that can not be used on an
3909 archive library. Currently, this is only used by Linux, where
3910 nm --dynamic is *required* to get symbols from an ELF library which
3911 has been stripped, but nm --dynamic is *fatal* on an archive library.
3912 Maybe Linux should just always set usenm=false.
3914 nonxs_ext (Extensions.U):
3915 This variable holds a list of all non-xs extensions included
3916 in the package. All of them will be built.
3919 This variable is used internally by Configure to determine the
3920 full pathname (if any) of the nroff program. After Configure runs,
3921 the value is reset to a plain "nroff" and is not useful.
3923 nv_overflows_integers_at (perlxv.U):
3924 This variable gives the largest integer value that NVs can hold
3925 as a constant floating point expression.
3926 If it could not be determined, it holds the value 0.
3928 nv_preserves_uv_bits (perlxv.U):
3929 This variable indicates how many of bits type uvtype
3930 a variable nvtype can preserve.
3932 nveformat (perlxvf.U):
3933 This variable contains the format string used for printing
3934 a Perl NV using %e-ish floating point format.
3936 nvEUformat (perlxvf.U):
3937 This variable contains the format string used for printing
3938 a Perl NV using %E-ish floating point format.
3940 nvfformat (perlxvf.U):
3941 This variable confains the format string used for printing
3942 a Perl NV using %f-ish floating point format.
3944 nvFUformat (perlxvf.U):
3945 This variable confains the format string used for printing
3946 a Perl NV using %F-ish floating point format.
3948 nvgformat (perlxvf.U):
3949 This variable contains the format string used for printing
3950 a Perl NV using %g-ish floating point format.
3952 nvGUformat (perlxvf.U):
3953 This variable contains the format string used for printing
3954 a Perl NV using %G-ish floating point format.
3957 This variable is the size of an NV in bytes.
3960 This variable contains the C type used for Perl's NV.
3962 o_nonblock (nblock_io.U):
3963 This variable bears the symbol value to be used during open() or fcntl()
3964 to turn on non-blocking I/O for a file descriptor. If you wish to switch
3965 between blocking and non-blocking, you may try ioctl(FIOSNBIO) instead,
3966 but that is only supported by some devices.
3969 This is an old synonym for _o.
3971 old_pthread_create_joinable (d_pthrattrj.U):
3972 This variable defines the constant to use for creating joinable
3973 (aka undetached) pthreads. Unused if pthread.h defines
3974 PTHREAD_CREATE_JOINABLE. If used, possible values are
3975 PTHREAD_CREATE_UNDETACHED and __UNDETACHED.
3977 optimize (ccflags.U):
3978 This variable contains any optimizer/debugger flag that should be used.
3979 It is up to the Makefile to use it.
3981 orderlib (orderlib.U):
3982 This variable is "true" if the components of libraries must be ordered
3983 (with `lorder $* | tsort`) before placing them in an archive. Set to
3984 "false" if ranlib or ar can generate random libraries.
3986 osname (Oldconfig.U):
3987 This variable contains the operating system name (e.g. sunos,
3988 solaris, hpux, etc.). It can be useful later on for setting
3989 defaults. Any spaces are replaced with underscores. It is set
3990 to a null string if we can't figure it out.
3992 osvers (Oldconfig.U):
3993 This variable contains the operating system version (e.g.
3994 4.1.3, 5.2, etc.). It is primarily used for helping select
3995 an appropriate hints file, but might be useful elsewhere for
3996 setting defaults. It is set to '' if we can't figure it out.
3997 We try to be flexible about how much of the version number
3998 to keep, e.g. if 4.1.1, 4.1.2, and 4.1.3 are essentially the
3999 same for this package, hints files might just be os_4.0 or
4000 os_4.1, etc., not keeping separate files for each little release.
4002 otherlibdirs (otherlibdirs.U):
4003 This variable contains a colon-separated set of paths for the perl
4004 binary to search for additional library files or modules.
4005 These directories will be tacked to the end of @INC.
4006 Perl will automatically search below each path for version-
4007 and architecture-specific directories. See inc_version_list
4009 A value of ' ' means 'none' and is used to preserve this value
4010 for the next run through Configure.
4012 package (package.U):
4013 This variable contains the name of the package being constructed.
4014 It is primarily intended for the use of later Configure units.
4017 This variable contains the name of the preferred pager on the system.
4018 Usual values are (the full pathnames of) more, less, pg, or cat.
4021 This variable contains a command that produces the text of the
4022 /etc/passwd file. This is normally "cat /etc/passwd", but can be
4023 "ypcat passwd" when NIS is used.
4024 On some systems, such as os390, there may be no equivalent
4025 command, in which case this variable is unset.
4027 patchlevel (patchlevel.U):
4028 The patchlevel level of this package.
4029 The value of patchlevel comes from the patchlevel.h file.
4030 In a version number such as 5.6.1, this is the "6".
4031 In patchlevel.h, this is referred to as "PERL_VERSION".
4034 This is an old synonym for p_ in Head.U, the character
4035 used to separate elements in the command shell search PATH.
4038 This variable is defined but not used by Configure.
4039 The value is the empty string and is not useful.
4042 This variable contains the full path (if any) to a previously
4043 installed perl5.005 or later suitable for running the script
4044 to determine inc_version_list.
4046 PERL_API_REVISION (patchlevel.h):
4047 This number describes the earliest compatible PERL_REVISION of
4048 Perl ("compatibility" here being defined as sufficient binary/API
4049 compatibility to run XS code built with the older version).
4050 Normally this does not change across maintenance releases.
4051 Please read the comment in patchlevel.h.
4053 PERL_API_SUBVERSION (patchlevel.h):
4054 This number describes the earliest compatible PERL_SUBVERSION of
4055 Perl ("compatibility" here being defined as sufficient binary/API
4056 compatibility to run XS code built with the older version).
4057 Normally this does not change across maintenance releases.
4058 Please read the comment in patchlevel.h.
4060 PERL_API_VERSION (patchlevel.h):
4061 This number describes the earliest compatible PERL_VERSION of
4062 Perl ("compatibility" here being defined as sufficient binary/API
4063 compatibility to run XS code built with the older version).
4064 Normally this does not change across maintenance releases.
4065 Please read the comment in patchlevel.h.
4067 PERL_CONFIG_SH (Oldsyms.U):
4068 This is set to 'true' in config.sh so that a shell script
4069 sourcing config.sh can tell if it has been sourced already.
4071 PERL_PATCHLEVEL (Oldsyms.U):
4072 This symbol reflects the patchlevel, if available. Will usually
4073 come from the .patch file, which is available when the perl
4074 source tree was fetched with rsync.
4076 perl_patchlevel (patchlevel.U):
4077 This is the Perl patch level, a numeric change identifier,
4078 as defined by whichever source code maintenance system
4079 is used to maintain the patches; currently Perforce.
4080 It does not correlate with the Perl version numbers or
4081 the maintenance versus development dichotomy except
4082 by also being increasing.
4084 PERL_REVISION (Oldsyms.U):
4085 In a Perl version number such as 5.6.2, this is the 5.
4086 This value is manually set in patchlevel.h
4088 PERL_SUBVERSION (Oldsyms.U):
4089 In a Perl version number such as 5.6.2, this is the 2.
4090 Values greater than 50 represent potentially unstable
4091 development subversions.
4092 This value is manually set in patchlevel.h
4094 PERL_VERSION (Oldsyms.U):
4095 In a Perl version number such as 5.6.2, this is the 6.
4096 This value is manually set in patchlevel.h
4098 perladmin (perladmin.U):
4099 Electronic mail address of the perl5 administrator.
4102 The list of libraries needed by Perl only (any libraries needed
4103 by extensions only will by dropped, if using dynamic loading).
4105 perlpath (perlpath.U):
4106 This variable contains the eventual value of the PERLPATH symbol,
4107 which contains the name of the perl interpreter to be used in
4108 shell scripts and in the "eval 'exec'" idiom. This variable is
4109 not necessarily the pathname of the file containing the perl
4110 interpreter; you must append the executable extension (_exe) if
4111 it is not already present. Note that Perl code that runs during
4112 the Perl build process cannot reference this variable, as Perl
4113 may not have been installed, or even if installed, may be a
4114 different version of Perl.
4117 This variable is used internally by Configure to determine the
4118 full pathname (if any) of the pg program. After Configure runs,
4119 the value is reset to a plain "pg" and is not useful.
4121 phostname (myhostname.U):
4122 This variable contains the eventual value of the PHOSTNAME symbol,
4123 which is a command that can be fed to popen() to get the host name.
4124 The program should probably not presume that the domain is or isn't
4127 pidtype (pidtype.U):
4128 This variable defines PIDTYPE to be something like pid_t, int,
4129 ushort, or whatever type is used to declare process ids in the kernel.
4132 Holds the private path used by Configure to find out the libraries.
4133 Its value is prepend to libpth. This variable takes care of special
4134 machines, like the mips. Usually, it should be empty.
4137 This variable is defined but not used by Configure.
4138 The value is the empty string and is not useful.
4141 This variable is defined but not used by Configure.
4142 The value is the empty string and is not useful.
4145 This variable holds the name of the directory below which the
4146 user will install the package. Usually, this is /usr/local, and
4147 executables go in /usr/local/bin, library stuff in /usr/local/lib,
4148 man pages in /usr/local/man, etc. It is only used to set defaults
4149 for things in bin.U, mansrc.U, privlib.U, or scriptdir.U.
4151 prefixexp (prefix.U):
4152 This variable holds the full absolute path of the directory below
4153 which the user will install the package. Derived from prefix.
4155 privlib (privlib.U):
4156 This variable contains the eventual value of the PRIVLIB symbol,
4157 which is the name of the private library for this package. It may
4158 have a ~ on the front. It is up to the makefile to eventually create
4159 this directory while performing installation (with ~ substitution).
4161 privlibexp (privlib.U):
4162 This variable is the ~name expanded version of privlib, so that you
4163 may use it directly in Makefiles or shell scripts.
4165 procselfexe (d_procselfexe.U):
4166 If d_procselfexe is defined, $procselfexe is the filename
4167 of the symbolic link pointing to the absolute pathname of
4168 the executing program.
4170 prototype (prototype.U):
4171 This variable holds the eventual value of CAN_PROTOTYPE, which
4172 indicates the C compiler can handle funciton prototypes.
4174 ptrsize (ptrsize.U):
4175 This variable contains the value of the PTRSIZE symbol, which
4176 indicates to the C program how many bytes there are in a pointer.
4178 quadkind (quadtype.U):
4179 This variable, if defined, encodes the type of a quad:
4180 1 = int, 2 = long, 3 = long long, 4 = int64_t.
4182 quadtype (quadtype.U):
4183 This variable defines Quad_t to be something like long, int,
4184 long long, int64_t, or whatever type is used for 64-bit integers.
4186 randbits (randfunc.U):
4187 Indicates how many bits are produced by the function used to
4188 generate normalized random numbers.
4190 randfunc (randfunc.U):
4191 Indicates the name of the random number function to use.
4192 Values include drand48, random, and rand. In C programs,
4193 the 'Drand01' macro is defined to generate uniformly distributed
4194 random numbers over the range [0., 1.[ (see drand01 and nrand).
4196 random_r_proto (d_random_r.U):
4197 This variable encodes the prototype of random_r.
4198 It is zero if d_random_r is undef, and one of the
4199 REENTRANT_PROTO_T_ABC macros of reentr.h if d_random_r
4202 randseedtype (randfunc.U):
4203 Indicates the type of the argument of the seedfunc.
4205 ranlib (orderlib.U):
4206 This variable is set to the pathname of the ranlib program, if it is
4207 needed to generate random libraries. Set to ":" if ar can generate
4208 random libraries or if random libraries are not supported
4210 rd_nodata (nblock_io.U):
4211 This variable holds the return code from read() when no data is
4212 present. It should be -1, but some systems return 0 when O_NDELAY is
4213 used, which is a shame because you cannot make the difference between
4214 no data and an EOF.. Sigh!
4216 readdir64_r_proto (d_readdir64_r.U):
4217 This variable encodes the prototype of readdir64_r.
4218 It is zero if d_readdir64_r is undef, and one of the
4219 REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir64_r
4222 readdir_r_proto (d_readdir_r.U):
4223 This variable encodes the prototype of readdir_r.
4224 It is zero if d_readdir_r is undef, and one of the
4225 REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir_r
4228 revision (patchlevel.U):
4229 The value of revision comes from the patchlevel.h file.
4230 In a version number such as 5.6.1, this is the "5".
4231 In patchlevel.h, this is referred to as "PERL_REVISION".
4234 This variable is used internally by Configure to determine the
4235 full pathname (if any) of the rm program. After Configure runs,
4236 the value is reset to a plain "rm" and is not useful.
4239 This is a cleanup variable for try test programs.
4240 Internal Configure use only.
4243 This variable is defined but not used by Configure.
4244 The value is the empty string and is not useful.
4247 This variable contains the command used by Configure
4248 to copy and execute a cross-compiled executable in the
4249 target host. Useful and available only during Perl build.
4250 Empty string '' if not cross-compiling.
4253 This variable contains 'true' or 'false' depending whether the
4254 nm extraction should be performed or not, according to the value
4255 of usenm and the flags on the Configure command line.
4257 sched_yield (d_pthread_y.U):
4258 This variable defines the way to yield the execution
4259 of the current thread.
4261 scriptdir (scriptdir.U):
4262 This variable holds the name of the directory in which the user wants
4263 to put publicly scripts for the package in question. It is either
4264 the same directory as for binaries, or a special one that can be
4265 mounted across different architectures, like /usr/share. Programs
4266 must be prepared to deal with ~name expansion.
4268 scriptdirexp (scriptdir.U):
4269 This variable is the same as scriptdir, but is filename expanded
4270 at configuration time, for programs not wanting to bother with it.
4273 This variable is used internally by Configure to determine the
4274 full pathname (if any) of the sed program. After Configure runs,
4275 the value is reset to a plain "sed" and is not useful.
4277 seedfunc (randfunc.U):
4278 Indicates the random number generating seed function.
4279 Values include srand48, srandom, and srand.
4281 selectminbits (selectminbits.U):
4282 This variable holds the minimum number of bits operated by select.
4283 That is, if you do select(n, ...), how many bits at least will be
4284 cleared in the masks if some activity is detected. Usually this
4285 is either n or 32*ceil(n/32), especially many little-endians do
4286 the latter. This is only useful if you have select(), naturally.
4288 selecttype (selecttype.U):
4289 This variable holds the type used for the 2nd, 3rd, and 4th
4290 arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET
4291 is defined, and 'int *' otherwise. This is only useful if you
4292 have select(), naturally.
4295 This variable is defined but not used by Configure.
4296 The value is the empty string and is not useful.
4298 setgrent_r_proto (d_setgrent_r.U):
4299 This variable encodes the prototype of setgrent_r.
4300 It is zero if d_setgrent_r is undef, and one of the
4301 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setgrent_r
4304 sethostent_r_proto (d_sethostent_r.U):
4305 This variable encodes the prototype of sethostent_r.
4306 It is zero if d_sethostent_r is undef, and one of the
4307 REENTRANT_PROTO_T_ABC macros of reentr.h if d_sethostent_r
4310 setlocale_r_proto (d_setlocale_r.U):
4311 This variable encodes the prototype of setlocale_r.
4312 It is zero if d_setlocale_r is undef, and one of the
4313 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setlocale_r
4316 setnetent_r_proto (d_setnetent_r.U):
4317 This variable encodes the prototype of setnetent_r.
4318 It is zero if d_setnetent_r is undef, and one of the
4319 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setnetent_r
4322 setprotoent_r_proto (d_setprotoent_r.U):
4323 This variable encodes the prototype of setprotoent_r.
4324 It is zero if d_setprotoent_r is undef, and one of the
4325 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setprotoent_r
4328 setpwent_r_proto (d_setpwent_r.U):
4329 This variable encodes the prototype of setpwent_r.
4330 It is zero if d_setpwent_r is undef, and one of the
4331 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setpwent_r
4334 setservent_r_proto (d_setservent_r.U):
4335 This variable encodes the prototype of setservent_r.
4336 It is zero if d_setservent_r is undef, and one of the
4337 REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
4340 sGMTIME_max (time_size.U):
4341 This variable defines the maximum value of the time_t offset that
4342 the system function gmtime () accepts
4344 sGMTIME_min (time_size.U):
4345 This variable defines the minimum value of the time_t offset that
4346 the system function gmtime () accepts
4349 This variable contains the full pathname of the shell used
4350 on this system to execute Bourne shell scripts. Usually, this will be
4351 /bin/sh, though it's possible that some systems will have /bin/ksh,
4352 /bin/pdksh, /bin/ash, /bin/bash, or even something such as
4354 This unit comes before Options.U, so you can't set sh with a '-D'
4355 option, though you can override this (and startsh)
4356 with '-O -Dsh=/bin/whatever -Dstartsh=whatever'
4359 This variable is defined but not used by Configure.
4360 The value is the empty string and is not useful.
4362 sharpbang (spitshell.U):
4363 This variable contains the string #! if this system supports that
4366 shmattype (d_shmat.U):
4367 This symbol contains the type of pointer returned by shmat().
4368 It can be 'void *' or 'char *'.
4370 shortsize (intsize.U):
4371 This variable contains the value of the SHORTSIZE symbol which
4372 indicates to the C program how many bytes there are in a short.
4374 shrpenv (libperl.U):
4375 If the user builds a shared libperl.so, then we need to tell the
4376 'perl' executable where it will be able to find the installed libperl.so.
4377 One way to do this on some systems is to set the environment variable
4378 LD_RUN_PATH to the directory that will be the final location of the
4379 shared libperl.so. The makefile can use this with something like
4380 $shrpenv $(CC) -o perl perlmain.o $libperl $libs
4382 shrpenv="env LD_RUN_PATH=$archlibexp/CORE"
4385 See the main perl Makefile.SH for actual working usage.
4386 Alternatively, we might be able to use a command line option such
4387 as -R $archlibexp/CORE (Solaris) or -Wl,-rpath
4388 $archlibexp/CORE (Linux).
4390 shsharp (spitshell.U):
4391 This variable tells further Configure units whether your sh can
4394 sig_count (sig_name.U):
4395 This variable holds a number larger than the largest valid
4396 signal number. This is usually the same as the NSIG macro.
4398 sig_name (sig_name.U):
4399 This variable holds the signal names, space separated. The leading
4400 SIG in signal name is removed. A ZERO is prepended to the list.
4401 This is currently not used, sig_name_init is used instead.
4403 sig_name_init (sig_name.U):
4404 This variable holds the signal names, enclosed in double quotes and
4405 separated by commas, suitable for use in the SIG_NAME definition
4406 below. A "ZERO" is prepended to the list, and the list is
4407 terminated with a plain 0. The leading SIG in signal names
4408 is removed. See sig_num.
4410 sig_num (sig_name.U):
4411 This variable holds the signal numbers, space separated. A ZERO is
4412 prepended to the list (corresponding to the fake SIGZERO).
4413 Those numbers correspond to the value of the signal listed
4414 in the same place within the sig_name list.
4415 This is currently not used, sig_num_init is used instead.
4417 sig_num_init (sig_name.U):
4418 This variable holds the signal numbers, enclosed in double quotes and
4419 separated by commas, suitable for use in the SIG_NUM definition
4420 below. A "ZERO" is prepended to the list, and the list is
4421 terminated with a plain 0.
4423 sig_size (sig_name.U):
4424 This variable contains the number of elements of the sig_name
4427 signal_t (d_voidsig.U):
4428 This variable holds the type of the signal handler (void or int).
4430 sitearch (sitearch.U):
4431 This variable contains the eventual value of the SITEARCH symbol,
4432 which is the name of the private library for this package. It may
4433 have a ~ on the front. It is up to the makefile to eventually create
4434 this directory while performing installation (with ~ substitution).
4435 The standard distribution will put nothing in this directory.
4436 After perl has been installed, users may install their own local
4437 architecture-dependent modules in this directory with
4438 MakeMaker Makefile.PL
4439 or equivalent. See INSTALL for details.
4441 sitearchexp (sitearch.U):
4442 This variable is the ~name expanded version of sitearch, so that you
4443 may use it directly in Makefiles or shell scripts.
4445 sitebin (sitebin.U):
4446 This variable holds the name of the directory in which the user wants
4447 to put add-on publicly executable files for the package in question. It
4448 is most often a local directory such as /usr/local/bin. Programs using
4449 this variable must be prepared to deal with ~name substitution.
4450 The standard distribution will put nothing in this directory.
4451 After perl has been installed, users may install their own local
4452 executables in this directory with
4453 MakeMaker Makefile.PL
4454 or equivalent. See INSTALL for details.
4456 sitebinexp (sitebin.U):
4457 This is the same as the sitebin variable, but is filename expanded at
4458 configuration time, for use in your makefiles.
4460 sitehtml1dir (sitehtml1dir.U):
4461 This variable contains the name of the directory in which site-specific
4462 html source pages are to be put. It is the responsibility of the
4463 Makefile.SH to get the value of this into the proper command.
4464 You must be prepared to do the ~name expansion yourself.
4465 The standard distribution will put nothing in this directory.
4466 After perl has been installed, users may install their own local
4467 html pages in this directory with
4468 MakeMaker Makefile.PL
4469 or equivalent. See INSTALL for details.
4471 sitehtml1direxp (sitehtml1dir.U):
4472 This variable is the same as the sitehtml1dir variable, but is filename
4473 expanded at configuration time, for convenient use in makefiles.
4475 sitehtml3dir (sitehtml3dir.U):
4476 This variable contains the name of the directory in which site-specific
4477 library html source pages are to be put. It is the responsibility of the
4478 Makefile.SH to get the value of this into the proper command.
4479 You must be prepared to do the ~name expansion yourself.
4480 The standard distribution will put nothing in this directory.
4481 After perl has been installed, users may install their own local
4482 library html pages in this directory with
4483 MakeMaker Makefile.PL
4484 or equivalent. See INSTALL for details.
4486 sitehtml3direxp (sitehtml3dir.U):
4487 This variable is the same as the sitehtml3dir variable, but is filename
4488 expanded at configuration time, for convenient use in makefiles.
4490 sitelib (sitelib.U):
4491 This variable contains the eventual value of the SITELIB symbol,
4492 which is the name of the private library for this package. It may
4493 have a ~ on the front. It is up to the makefile to eventually create
4494 this directory while performing installation (with ~ substitution).
4495 The standard distribution will put nothing in this directory.
4496 After perl has been installed, users may install their own local
4497 architecture-independent modules in this directory with
4498 MakeMaker Makefile.PL
4499 or equivalent. See INSTALL for details.
4501 sitelib_stem (sitelib.U):
4502 This variable is $sitelibexp with any trailing version-specific component
4503 removed. The elements in inc_version_list (inc_version_list.U) can
4504 be tacked onto this variable to generate a list of directories to search.
4506 sitelibexp (sitelib.U):
4507 This variable is the ~name expanded version of sitelib, so that you
4508 may use it directly in Makefiles or shell scripts.
4510 siteman1dir (siteman1dir.U):
4511 This variable contains the name of the directory in which site-specific
4512 manual source pages are to be put. It is the responsibility of the
4513 Makefile.SH to get the value of this into the proper command.
4514 You must be prepared to do the ~name expansion yourself.
4515 The standard distribution will put nothing in this directory.
4516 After perl has been installed, users may install their own local
4517 man1 pages in this directory with
4518 MakeMaker Makefile.PL
4519 or equivalent. See INSTALL for details.
4521 siteman1direxp (siteman1dir.U):
4522 This variable is the same as the siteman1dir variable, but is filename
4523 expanded at configuration time, for convenient use in makefiles.
4525 siteman3dir (siteman3dir.U):
4526 This variable contains the name of the directory in which site-specific
4527 library man source pages are to be put. It is the responsibility of the
4528 Makefile.SH to get the value of this into the proper command.
4529 You must be prepared to do the ~name expansion yourself.
4530 The standard distribution will put nothing in this directory.
4531 After perl has been installed, users may install their own local
4532 man3 pages in this directory with
4533 MakeMaker Makefile.PL
4534 or equivalent. See INSTALL for details.
4536 siteman3direxp (siteman3dir.U):
4537 This variable is the same as the siteman3dir variable, but is filename
4538 expanded at configuration time, for convenient use in makefiles.
4540 siteprefix (siteprefix.U):
4541 This variable holds the full absolute path of the directory below
4542 which the user will install add-on packages.
4543 See INSTALL for usage and examples.
4545 siteprefixexp (siteprefix.U):
4546 This variable holds the full absolute path of the directory below
4547 which the user will install add-on packages. Derived from siteprefix.
4549 sitescript (sitescript.U):
4550 This variable holds the name of the directory in which the user wants
4551 to put add-on publicly executable files for the package in question. It
4552 is most often a local directory such as /usr/local/bin. Programs using
4553 this variable must be prepared to deal with ~name substitution.
4554 The standard distribution will put nothing in this directory.
4555 After perl has been installed, users may install their own local
4556 scripts in this directory with
4557 MakeMaker Makefile.PL
4558 or equivalent. See INSTALL for details.
4560 sitescriptexp (sitescript.U):
4561 This is the same as the sitescript variable, but is filename expanded at
4562 configuration time, for use in your makefiles.
4564 sizesize (sizesize.U):
4565 This variable contains the size of a sizetype in bytes.
4567 sizetype (sizetype.U):
4568 This variable defines sizetype to be something like size_t,
4569 unsigned long, or whatever type is used to declare length
4570 parameters for string functions.
4573 This variable is defined but not used by Configure.
4574 The value is the empty string and is not useful.
4576 sLOCALTIME_max (time_size.U):
4577 This variable defines the maximum value of the time_t offset that
4578 the system function localtime () accepts
4580 sLOCALTIME_min (time_size.U):
4581 This variable defines the minimum value of the time_t offset that
4582 the system function localtime () accepts
4585 This variable is defined but not used by Configure.
4586 The value is the empty string and is not useful.
4589 This variable holds the extension used to identify shared libraries
4590 (also known as shared objects) on the system. Usually set to 'so'.
4592 sockethdr (d_socket.U):
4593 This variable has any cpp '-I' flags needed for socket support.
4595 socketlib (d_socket.U):
4596 This variable has the names of any libraries needed for socket support.
4598 socksizetype (socksizetype.U):
4599 This variable holds the type used for the size argument
4600 for various socket calls like accept. Usual values include
4601 socklen_t, size_t, and int.
4604 This variable is used internally by Configure to determine the
4605 full pathname (if any) of the sort program. After Configure runs,
4606 the value is reset to a plain "sort" and is not useful.
4608 spackage (package.U):
4609 This variable contains the name of the package being constructed,
4610 with the first letter uppercased, i.e. suitable for starting
4613 spitshell (spitshell.U):
4614 This variable contains the command necessary to spit out a runnable
4615 shell on this system. It is either cat or a grep '-v' for # comments.
4617 sPRId64 (quadfio.U):
4618 This variable, if defined, contains the string used by stdio to
4619 format 64-bit decimal numbers (format 'd') for output.
4621 sPRIeldbl (longdblfio.U):
4622 This variable, if defined, contains the string used by stdio to
4623 format long doubles (format 'e') for output.
4625 sPRIEUldbl (longdblfio.U):
4626 This variable, if defined, contains the string used by stdio to
4627 format long doubles (format 'E') for output.
4628 The 'U' in the name is to separate this from sPRIeldbl so that even
4629 case-blind systems can see the difference.
4631 sPRIfldbl (longdblfio.U):
4632 This variable, if defined, contains the string used by stdio to
4633 format long doubles (format 'f') for output.
4635 sPRIFUldbl (longdblfio.U):
4636 This variable, if defined, contains the string used by stdio to
4637 format long doubles (format 'F') for output.
4638 The 'U' in the name is to separate this from sPRIfldbl so that even
4639 case-blind systems can see the difference.
4641 sPRIgldbl (longdblfio.U):
4642 This variable, if defined, contains the string used by stdio to
4643 format long doubles (format 'g') for output.
4645 sPRIGUldbl (longdblfio.U):
4646 This variable, if defined, contains the string used by stdio to
4647 format long doubles (format 'G') for output.
4648 The 'U' in the name is to separate this from sPRIgldbl so that even
4649 case-blind systems can see the difference.
4651 sPRIi64 (quadfio.U):
4652 This variable, if defined, contains the string used by stdio to
4653 format 64-bit decimal numbers (format 'i') for output.
4655 sPRIo64 (quadfio.U):
4656 This variable, if defined, contains the string used by stdio to
4657 format 64-bit octal numbers (format 'o') for output.
4659 sPRIu64 (quadfio.U):
4660 This variable, if defined, contains the string used by stdio to
4661 format 64-bit unsigned decimal numbers (format 'u') for output.
4663 sPRIx64 (quadfio.U):
4664 This variable, if defined, contains the string used by stdio to
4665 format 64-bit hexadecimal numbers (format 'x') for output.
4667 sPRIXU64 (quadfio.U):
4668 This variable, if defined, contains the string used by stdio to
4669 format 64-bit hExADECimAl numbers (format 'X') for output.
4670 The 'U' in the name is to separate this from sPRIx64 so that even
4671 case-blind systems can see the difference.
4673 srand48_r_proto (d_srand48_r.U):
4674 This variable encodes the prototype of srand48_r.
4675 It is zero if d_srand48_r is undef, and one of the
4676 REENTRANT_PROTO_T_ABC macros of reentr.h if d_srand48_r
4679 srandom_r_proto (d_srandom_r.U):
4680 This variable encodes the prototype of srandom_r.
4681 It is zero if d_srandom_r is undef, and one of the
4682 REENTRANT_PROTO_T_ABC macros of reentr.h if d_srandom_r
4686 This variable holds the (possibly relative) path of the package source.
4687 It is up to the Makefile to use this variable and set VPATH accordingly
4688 to find the sources remotely. Use $pkgsrc to have an absolute path.
4690 sSCNfldbl (longdblfio.U):
4691 This variable, if defined, contains the string used by stdio to
4692 format long doubles (format 'f') for input.
4694 ssizetype (ssizetype.U):
4695 This variable defines ssizetype to be something like ssize_t,
4696 long or int. It is used by functions that return a count
4697 of bytes or an error condition. It must be a signed type.
4698 We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
4700 startperl (startperl.U):
4701 This variable contains the string to put on the front of a perl
4702 script to make sure (hopefully) that it runs with perl and not some
4703 shell. Of course, that leading line must be followed by the classical
4705 eval 'exec perl -S $0 ${1+"$@"}'
4706 if $running_under_some_shell;
4707 to guarantee perl startup should the shell execute the script. Note
4708 that this magic incatation is not understood by csh.
4710 startsh (startsh.U):
4711 This variable contains the string to put on the front of a shell
4712 script to make sure (hopefully) that it runs with sh and not some
4715 static_ext (Extensions.U):
4716 This variable holds a list of XS extension files we want to
4717 link statically into the package. It is used by Makefile.
4719 stdchar (stdchar.U):
4720 This variable conditionally defines STDCHAR to be the type of char
4721 used in stdio.h. It has the values "unsigned char" or "char".
4723 stdio_base (d_stdstdio.U):
4724 This variable defines how, given a FILE pointer, fp, to access the
4725 _base field (or equivalent) of stdio.h's FILE structure. This will
4726 be used to define the macro FILE_base(fp).
4728 stdio_bufsiz (d_stdstdio.U):
4729 This variable defines how, given a FILE pointer, fp, to determine
4730 the number of bytes store in the I/O buffer pointer to by the
4731 _base field (or equivalent) of stdio.h's FILE structure. This will
4732 be used to define the macro FILE_bufsiz(fp).
4734 stdio_cnt (d_stdstdio.U):
4735 This variable defines how, given a FILE pointer, fp, to access the
4736 _cnt field (or equivalent) of stdio.h's FILE structure. This will
4737 be used to define the macro FILE_cnt(fp).
4739 stdio_filbuf (d_stdstdio.U):
4740 This variable defines how, given a FILE pointer, fp, to tell
4741 stdio to refill its internal buffers (?). This will
4742 be used to define the macro FILE_filbuf(fp).
4744 stdio_ptr (d_stdstdio.U):
4745 This variable defines how, given a FILE pointer, fp, to access the
4746 _ptr field (or equivalent) of stdio.h's FILE structure. This will
4747 be used to define the macro FILE_ptr(fp).
4749 stdio_stream_array (stdio_streams.U):
4750 This variable tells the name of the array holding the stdio streams.
4751 Usual values include _iob, __iob, and __sF.
4753 strerror_r_proto (d_strerror_r.U):
4754 This variable encodes the prototype of strerror_r.
4755 It is zero if d_strerror_r is undef, and one of the
4756 REENTRANT_PROTO_T_ABC macros of reentr.h if d_strerror_r
4759 strings (i_string.U):
4760 This variable holds the full path of the string header that will be
4761 used. Typically /usr/include/string.h or /usr/include/strings.h.
4764 This variable is defined but not used by Configure.
4765 The value is the empty string and is not useful.
4767 subversion (patchlevel.U):
4768 The subversion level of this package.
4769 The value of subversion comes from the patchlevel.h file.
4770 In a version number such as 5.6.1, this is the "1".
4771 In patchlevel.h, this is referred to as "PERL_SUBVERSION".
4772 This is unique to perl.
4775 This variable holds the place where the manual is located on this
4776 system. It is not the place where the user wants to put his manual
4777 pages. Rather it is the place where Configure may look to find manual
4778 for unix commands (section 1 of the manual usually). See mansrc.
4781 This variable is defined but not used by Configure.
4782 The value is the empty string and is not useful.
4785 This variable is defined but not used by Configure.
4786 The value is the empty string and is not useful.
4788 targetarch (Cross.U):
4789 If cross-compiling, this variable contains the target architecture.
4790 If not, this will be empty.
4793 This variable is defined but not used by Configure.
4794 The value is the empty string and is not useful.
4797 This variable is defined but not used by Configure.
4798 The value is the empty string and is not useful.
4801 This variable is used internally by Configure to determine the
4802 full pathname (if any) of the test program. After Configure runs,
4803 the value is reset to a plain "test" and is not useful.
4805 timeincl (i_time.U):
4806 This variable holds the full path of the included time header(s).
4808 timetype (d_time.U):
4809 This variable holds the type returned by time(). It can be long,
4810 or time_t on BSD sites (in which case <sys/types.h> should be
4811 included). Anyway, the type Time_t should be used.
4813 tmpnam_r_proto (d_tmpnam_r.U):
4814 This variable encodes the prototype of tmpnam_r.
4815 It is zero if d_tmpnam_r is undef, and one of the
4816 REENTRANT_PROTO_T_ABC macros of reentr.h if d_tmpnam_r
4820 This variable contains the command used by Configure
4821 to copy to from the target host. Useful and available
4822 only during Perl build.
4823 The string ':' if not cross-compiling.
4826 This variable is used internally by Configure to determine the
4827 full pathname (if any) of the touch program. After Configure runs,
4828 the value is reset to a plain "touch" and is not useful.
4831 This variable is used internally by Configure to determine the
4832 full pathname (if any) of the tr program. After Configure runs,
4833 the value is reset to a plain "tr" and is not useful.
4836 This variable contains the value to be passed to the tr(1)
4837 command to transliterate a newline. Typical values are
4838 '\012' and '\n'. This is needed for EBCDIC systems where
4839 newline is not necessarily '\012'.
4842 This variable is defined but not used by Configure.
4843 The value is the empty string and is not useful.
4845 ttyname_r_proto (d_ttyname_r.U):
4846 This variable encodes the prototype of ttyname_r.
4847 It is zero if d_ttyname_r is undef, and one of the
4848 REENTRANT_PROTO_T_ABC macros of reentr.h if d_ttyname_r
4852 This variable is the size of an U16 in bytes.
4855 This variable contains the C type used for Perl's U16.
4858 This variable is the size of an U32 in bytes.
4861 This variable contains the C type used for Perl's U32.
4864 This variable is the size of an U64 in bytes.
4867 This variable contains the C type used for Perl's U64.
4870 This variable is the size of an U8 in bytes.
4873 This variable contains the C type used for Perl's U8.
4876 This variable contains the format string used for printing a Uid_t.
4878 uidsign (uidsign.U):
4879 This variable contains the signedness of a uidtype.
4880 1 for unsigned, -1 for signed.
4882 uidsize (uidsize.U):
4883 This variable contains the size of a uidtype in bytes.
4885 uidtype (uidtype.U):
4886 This variable defines Uid_t to be something like uid_t, int,
4887 ushort, or whatever type is used to declare user ids in the kernel.
4890 This variable is used internally by Configure to determine the
4891 full pathname (if any) of the uname program. After Configure runs,
4892 the value is reset to a plain "uname" and is not useful.
4895 This variable is used internally by Configure to determine the
4896 full pathname (if any) of the uniq program. After Configure runs,
4897 the value is reset to a plain "uniq" and is not useful.
4899 uquadtype (quadtype.U):
4900 This variable defines Uquad_t to be something like unsigned long,
4901 unsigned int, unsigned long long, uint64_t, or whatever type is
4902 used for 64-bit integers.
4904 use5005threads (usethreads.U):
4905 This variable conditionally defines the USE_5005THREADS symbol,
4906 and indicates that Perl should be built to use the 5.005-based
4907 threading implementation. Only valid up to 5.8.x.
4909 use64bitall (use64bits.U):
4910 This variable conditionally defines the USE_64_BIT_ALL symbol,
4911 and indicates that 64-bit integer types should be used
4912 when available. The maximal possible
4913 64-bitness is employed: LP64 or ILP64, meaning that you will
4914 be able to use more than 2 gigabytes of memory. This mode is
4915 even more binary incompatible than USE_64_BIT_INT. You may not
4916 be able to run the resulting executable in a 32-bit CPU at all or
4917 you may need at least to reboot your OS to 64-bit mode.
4919 use64bitint (use64bits.U):
4920 This variable conditionally defines the USE_64_BIT_INT symbol,
4921 and indicates that 64-bit integer types should be used
4922 when available. The minimal possible 64-bitness
4923 is employed, just enough to get 64-bit integers into Perl.
4924 This may mean using for example "long longs", while your memory
4925 may still be limited to 2 gigabytes.
4927 usecrosscompile (Cross.U):
4928 This variable conditionally defines the USE_CROSS_COMPILE symbol,
4929 and indicates that Perl has been cross-compiled.
4932 This variable indicates that Perl was configured with development
4933 features enabled. This should not be done for production builds.
4936 This variable indicates if the system supports dynamic
4937 loading of some sort. See also dlsrc and dlobj.
4939 usedtrace (usedtrace.U):
4940 This variable indicates whether we are compiling with dtrace
4941 support. See also dtrace.
4943 usefaststdio (usefaststdio.U):
4944 This variable conditionally defines the USE_FAST_STDIO symbol,
4945 and indicates that Perl should be built to use 'fast stdio'.
4946 Defaults to define in Perls 5.8 and earlier, to undef later.
4948 useithreads (usethreads.U):
4949 This variable conditionally defines the USE_ITHREADS symbol,
4950 and indicates that Perl should be built to use the interpreter-based
4951 threading implementation.
4953 uselargefiles (uselfs.U):
4954 This variable conditionally defines the USE_LARGE_FILES symbol,
4955 and indicates that large file interfaces should be used when
4958 uselongdouble (uselongdbl.U):
4959 This variable conditionally defines the USE_LONG_DOUBLE symbol,
4960 and indicates that long doubles should be used when available.
4962 usemallocwrap (mallocsrc.U):
4963 This variable contains y if we are wrapping malloc to prevent
4964 integer overflow during size calculations.
4966 usemorebits (usemorebits.U):
4967 This variable conditionally defines the USE_MORE_BITS symbol,
4968 and indicates that explicit 64-bit interfaces and long doubles
4969 should be used when available.
4971 usemultiplicity (usemultiplicity.U):
4972 This variable conditionally defines the MULTIPLICITY symbol,
4973 and indicates that Perl should be built to use multiplicity.
4975 usemymalloc (mallocsrc.U):
4976 This variable contains y if the malloc that comes with this package
4977 is desired over the system's version of malloc. People often include
4978 special versions of malloc for effiency, but such versions are often
4979 less portable. See also mallocsrc and mallocobj.
4980 If this is 'y', then -lmalloc is removed from $libs.
4983 This variable contains 'true' or 'false' depending whether the
4984 nm extraction is wanted or not.
4986 useopcode (Extensions.U):
4987 This variable holds either 'true' or 'false' to indicate
4988 whether the Opcode extension should be used. The sole
4989 use for this currently is to allow an easy mechanism
4990 for users to skip the Opcode extension from the Configure
4993 useperlio (useperlio.U):
4994 This variable conditionally defines the USE_PERLIO symbol,
4995 and indicates that the PerlIO abstraction should be
4998 useposix (Extensions.U):
4999 This variable holds either 'true' or 'false' to indicate
5000 whether the POSIX extension should be used. The sole
5001 use for this currently is to allow an easy mechanism
5002 for hints files to indicate that POSIX will not compile
5003 on a particular system.
5005 usereentrant (usethreads.U):
5006 This variable conditionally defines the USE_REENTRANT_API symbol,
5007 which indicates that the thread code may try to use the various
5008 _r versions of library functions. This is only potentially
5009 meaningful if usethreads is set and is very experimental, it is
5010 not even prompted for.
5012 userelocatableinc (bin.U):
5013 This variable is set to true to indicate that perl should relocate
5014 @INC entries at runtime based on the path to the perl binary.
5015 Any @INC paths starting ".../" are relocated relative to the directory
5016 containing the perl binary, and a logical cleanup of the path is then
5017 made around the join point (removing "dir/../" pairs)
5020 This variable is set to true when the user agrees to use sfio.
5021 It is set to false when sfio is not available or when the user
5022 explicitely requests not to use sfio. It is here primarily so
5023 that command-line settings can override the auto-detection of
5024 d_sfio without running into a "WHOA THERE".
5026 useshrplib (libperl.U):
5027 This variable is set to 'true' if the user wishes
5028 to build a shared libperl, and 'false' otherwise.
5030 usesitecustomize (d_sitecustomize.U):
5031 This variable is set to true when the user requires a mechanism that
5032 allows the sysadmin to add entries to @INC at runtime. This variable
5033 being set, makes perl run '$sitelib/sitecustomize.pl' at startup.
5035 usesocks (usesocks.U):
5036 This variable conditionally defines the USE_SOCKS symbol,
5037 and indicates that Perl should be built to use SOCKS.
5039 usethreads (usethreads.U):
5040 This variable conditionally defines the USE_THREADS symbol,
5041 and indicates that Perl should be built to use threads.
5043 usevendorprefix (vendorprefix.U):
5044 This variable tells whether the vendorprefix
5045 and consequently other vendor* paths are in use.
5047 usevfork (d_vfork.U):
5048 This variable is set to true when the user accepts to use vfork.
5049 It is set to false when no vfork is available or when the user
5050 explicitely requests not to use vfork.
5053 This variable holds the path of the include files, which is
5054 usually /usr/include. It is mainly used by other Configure units.
5057 This variable is defined but not used by Configure.
5058 The value is the empty string and is not useful.
5060 uvoformat (perlxvf.U):
5061 This variable contains the format string used for printing
5062 a Perl UV as an unsigned octal integer.
5065 This variable is the size of a UV in bytes.
5068 This variable contains the C type used for Perl's UV.
5070 uvuformat (perlxvf.U):
5071 This variable contains the format string used for printing
5072 a Perl UV as an unsigned decimal integer.
5074 uvxformat (perlxvf.U):
5075 This variable contains the format string used for printing
5076 a Perl UV as an unsigned hexadecimal integer in lowercase abcdef.
5078 uvXUformat (perlxvf.U):
5079 This variable contains the format string used for printing
5080 a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF.
5082 vendorarch (vendorarch.U):
5083 This variable contains the value of the PERL_VENDORARCH symbol.
5084 It may have a ~ on the front.
5085 The standard distribution will put nothing in this directory.
5086 Vendors who distribute perl may wish to place their own
5087 architecture-dependent modules and extensions in this directory with
5088 MakeMaker Makefile.PL INSTALLDIRS=vendor
5089 or equivalent. See INSTALL for details.
5091 vendorarchexp (vendorarch.U):
5092 This variable is the ~name expanded version of vendorarch, so that you
5093 may use it directly in Makefiles or shell scripts.
5095 vendorbin (vendorbin.U):
5096 This variable contains the eventual value of the VENDORBIN symbol.
5097 It may have a ~ on the front.
5098 The standard distribution will put nothing in this directory.
5099 Vendors who distribute perl may wish to place additional
5100 binaries in this directory with
5101 MakeMaker Makefile.PL INSTALLDIRS=vendor
5102 or equivalent. See INSTALL for details.
5104 vendorbinexp (vendorbin.U):
5105 This variable is the ~name expanded version of vendorbin, so that you
5106 may use it directly in Makefiles or shell scripts.
5108 vendorhtml1dir (vendorhtml1dir.U):
5109 This variable contains the name of the directory for html
5110 pages. It may have a ~ on the front.
5111 The standard distribution will put nothing in this directory.
5112 Vendors who distribute perl may wish to place their own
5113 html pages in this directory with
5114 MakeMaker Makefile.PL INSTALLDIRS=vendor
5115 or equivalent. See INSTALL for details.
5117 vendorhtml1direxp (vendorhtml1dir.U):
5118 This variable is the ~name expanded version of vendorhtml1dir, so that you
5119 may use it directly in Makefiles or shell scripts.
5121 vendorhtml3dir (vendorhtml3dir.U):
5122 This variable contains the name of the directory for html
5123 library pages. It may have a ~ on the front.
5124 The standard distribution will put nothing in this directory.
5125 Vendors who distribute perl may wish to place their own
5126 html pages for modules and extensions in this directory with
5127 MakeMaker Makefile.PL INSTALLDIRS=vendor
5128 or equivalent. See INSTALL for details.
5130 vendorhtml3direxp (vendorhtml3dir.U):
5131 This variable is the ~name expanded version of vendorhtml3dir, so that you
5132 may use it directly in Makefiles or shell scripts.
5134 vendorlib (vendorlib.U):
5135 This variable contains the eventual value of the VENDORLIB symbol,
5136 which is the name of the private library for this package.
5137 The standard distribution will put nothing in this directory.
5138 Vendors who distribute perl may wish to place their own
5139 modules in this directory with
5140 MakeMaker Makefile.PL INSTALLDIRS=vendor
5141 or equivalent. See INSTALL for details.
5143 vendorlib_stem (vendorlib.U):
5144 This variable is $vendorlibexp with any trailing version-specific component
5145 removed. The elements in inc_version_list (inc_version_list.U) can
5146 be tacked onto this variable to generate a list of directories to search.
5148 vendorlibexp (vendorlib.U):
5149 This variable is the ~name expanded version of vendorlib, so that you
5150 may use it directly in Makefiles or shell scripts.
5152 vendorman1dir (vendorman1dir.U):
5153 This variable contains the name of the directory for man1
5154 pages. It may have a ~ on the front.
5155 The standard distribution will put nothing in this directory.
5156 Vendors who distribute perl may wish to place their own
5157 man1 pages in this directory with
5158 MakeMaker Makefile.PL INSTALLDIRS=vendor
5159 or equivalent. See INSTALL for details.
5161 vendorman1direxp (vendorman1dir.U):
5162 This variable is the ~name expanded version of vendorman1dir, so that you
5163 may use it directly in Makefiles or shell scripts.
5165 vendorman3dir (vendorman3dir.U):
5166 This variable contains the name of the directory for man3
5167 pages. It may have a ~ on the front.
5168 The standard distribution will put nothing in this directory.
5169 Vendors who distribute perl may wish to place their own
5170 man3 pages in this directory with
5171 MakeMaker Makefile.PL INSTALLDIRS=vendor
5172 or equivalent. See INSTALL for details.
5174 vendorman3direxp (vendorman3dir.U):
5175 This variable is the ~name expanded version of vendorman3dir, so that you
5176 may use it directly in Makefiles or shell scripts.
5178 vendorprefix (vendorprefix.U):
5179 This variable holds the full absolute path of the directory below
5180 which the vendor will install add-on packages.
5181 See INSTALL for usage and examples.
5183 vendorprefixexp (vendorprefix.U):
5184 This variable holds the full absolute path of the directory below
5185 which the vendor will install add-on packages. Derived from vendorprefix.
5187 vendorscript (vendorscript.U):
5188 This variable contains the eventual value of the VENDORSCRIPT symbol.
5189 It may have a ~ on the front.
5190 The standard distribution will put nothing in this directory.
5191 Vendors who distribute perl may wish to place additional
5192 executable scripts in this directory with
5193 MakeMaker Makefile.PL INSTALLDIRS=vendor
5194 or equivalent. See INSTALL for details.
5196 vendorscriptexp (vendorscript.U):
5197 This variable is the ~name expanded version of vendorscript, so that you
5198 may use it directly in Makefiles or shell scripts.
5200 version (patchlevel.U):
5201 The full version number of this package, such as 5.6.1 (or 5_6_1).
5202 This combines revision, patchlevel, and subversion to get the
5203 full version number, including any possible subversions.
5204 This is suitable for use as a directory name, and hence is
5205 filesystem dependent.
5207 version_patchlevel_string (patchlevel.U):
5208 This is a string combining version, subversion and
5209 perl_patchlevel (if perl_patchlevel is non-zero).
5210 It is typically something like
5211 'version 7 subversion 1' or
5212 'version 7 subversion 1 patchlevel 11224'
5213 It is computed here to avoid duplication of code in myconfig.SH
5216 versiononly (versiononly.U):
5217 If set, this symbol indicates that only the version-specific
5218 components of a perl installation should be installed.
5219 This may be useful for making a test installation of a new
5220 version without disturbing the existing installation.
5221 Setting versiononly is equivalent to setting installperl's -v option.
5222 In particular, the non-versioned scripts and programs such as
5223 a2p, c2ph, h2xs, pod2*, and perldoc are not installed
5224 (see INSTALL for a more complete list). Nor are the man
5226 Usually, this is undef.
5229 This variable is defined but not used by Configure.
5230 The value is the empty string and is not useful.
5232 voidflags (voidflags.U):
5233 This variable contains the eventual value of the VOIDFLAGS symbol,
5234 which indicates how much support of the void type is given by this
5235 compiler. See VOIDFLAGS for more info.
5238 This variable holds extra path (space-separated) used to find
5239 libraries on this platform, for example CPU-specific libraries
5240 (on multi-CPU platforms) may be listed here.
5243 This variable holds the name of the compiler compiler we
5244 want to use in the Makefile. It can be yacc, byacc, or bison -y.
5247 This variable contains any additional yacc flags desired by the
5248 user. It is up to the Makefile to use this.
5251 This variable is defined but not used by Configure.
5252 The value is the empty string and is not useful.
5255 This variable is used internally by Configure to determine the
5256 full pathname (if any) of the zip program. After Configure runs,
5257 the value is reset to a plain "zip" and is not useful.