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1 | This file contains a description of all the shell variables whose value is |
2 | determined by the Configure script. Variables intended for use in C |
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3 | programs (e.g. I_UNISTD) are already described in config_h.SH. [`configpm' |
4 | generates pod documentation for Config.pm from this file--please try to keep |
5 | the formatting regular.] |
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6 | |
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7 | _a (Unix.U): |
8 | This variable defines the extension used for ordinary libraries. |
9 | For unix, it is '.a'. The '.' is included. Other possible |
10 | values include '.lib'. |
11 | |
12 | _exe (Unix.U): |
13 | This variable defines the extension used for executable files. |
14 | For unix it is empty. Other possible values include '.exe'. |
15 | |
16 | _o (Unix.U): |
17 | This variable defines the extension used for object files. |
18 | For unix, it is '.o'. The '.' is included. Other possible |
19 | values include '.obj'. |
20 | |
21 | afs (afs.U): |
22 | This variable is set to 'true' if AFS (Andrew File System) is used |
23 | on the system, 'false' otherwise. It is possible to override this |
24 | with a hint value or command line option, but you'd better know |
25 | what you are doing. |
26 | |
27 | alignbytes (alignbytes.U): |
28 | This variable holds the number of bytes required to align a |
29 | double. Usual values are 2, 4 and 8. |
30 | |
31 | ansi2knr (ansi2knr.U): |
32 | This variable is set if the user needs to run ansi2knr. |
33 | Currently, this is not supported, so we just abort. |
34 | |
35 | aphostname (d_gethname.U): |
36 | This variable contains the command which can be used to compute the |
37 | host name. The command is fully qualified by its absolute path, to make |
38 | it safe when used by a process with super-user privileges. |
39 | |
40 | apiversion (patchlevel.U): |
41 | This is a number which identifies the lowest version of perl |
42 | to have an API (for XS extensions) compatible with the present |
43 | version. For example, for 5.005_01, the apiversion should be |
44 | 5.005, since 5.005_01 should be binary compatible with 5.005. |
45 | This should probably be incremented manually somehow, perhaps |
46 | from patchlevel.h. For now, we'll guess maintenance subversions |
47 | will retain binary compatibility. |
48 | |
49 | ar (Loc.U): |
50 | This variable is be used internally by Configure to determine the |
51 | full pathname (if any) of the ar program. After Configure runs, |
52 | the value is reset to a plain "ar" and is not useful. |
53 | |
54 | archlib (archlib.U): |
55 | This variable holds the name of the directory in which the user wants |
56 | to put architecture-dependent public library files for $package. |
57 | It is most often a local directory such as /usr/local/lib. |
58 | Programs using this variable must be prepared to deal |
59 | with filename expansion. |
60 | |
61 | archlibexp (archlib.U): |
62 | This variable is the same as the archlib variable, but is |
63 | filename expanded at configuration time, for convenient use. |
64 | |
65 | archname64 (use64bits.U): |
66 | This variable is used for the 64-bitness part of $archname. |
67 | |
68 | archname (archname.U): |
69 | This variable is a short name to characterize the current |
70 | architecture. It is used mainly to construct the default archlib. |
71 | |
72 | archobjs (Unix.U): |
73 | This variable defines any additional objects that must be linked |
74 | in with the program on this architecture. On unix, it is usually |
75 | empty. It is typically used to include emulations of unix calls |
76 | or other facilities. For perl on OS/2, for example, this would |
77 | include os2/os2.obj. |
78 | |
79 | awk (Loc.U): |
80 | This variable is be used internally by Configure to determine the |
81 | full pathname (if any) of the awk program. After Configure runs, |
82 | the value is reset to a plain "awk" and is not useful. |
83 | |
84 | baserev (baserev.U): |
85 | The base revision level of this package, from the .package file. |
86 | |
87 | bash (Loc.U): |
88 | This variable is defined but not used by Configure. |
89 | The value is a plain '' and is not useful. |
90 | |
91 | bin (bin.U): |
92 | This variable holds the name of the directory in which the user wants |
93 | to put publicly executable images for the package in question. It |
94 | is most often a local directory such as /usr/local/bin. Programs using |
95 | this variable must be prepared to deal with ~name substitution. |
96 | |
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97 | bincompat5005 (bincompat5005.U): |
98 | This variable contains y if Perl 5.006 should be binary-compatible |
99 | with Perl 5.005. |
100 | |
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101 | binexp (bin.U): |
102 | This is the same as the bin variable, but is filename expanded at |
103 | configuration time, for use in your makefiles. |
104 | |
105 | bison (Loc.U): |
106 | This variable is defined but not used by Configure. |
107 | The value is a plain '' and is not useful. |
108 | |
109 | byacc (Loc.U): |
110 | This variable is be used internally by Configure to determine the |
111 | full pathname (if any) of the byacc program. After Configure runs, |
112 | the value is reset to a plain "byacc" and is not useful. |
113 | |
114 | byteorder (byteorder.U): |
115 | This variable holds the byte order. In the following, larger digits |
116 | indicate more significance. The variable byteorder is either 4321 |
117 | on a big-endian machine, or 1234 on a little-endian, or 87654321 |
118 | on a Cray ... or 3412 with weird order ! |
119 | |
120 | c (n.U): |
121 | This variable contains the \c string if that is what causes the echo |
122 | command to suppress newline. Otherwise it is null. Correct usage is |
123 | $echo $n "prompt for a question: $c". |
124 | |
125 | castflags (d_castneg.U): |
126 | This variable contains a flag that precise difficulties the |
127 | compiler has casting odd floating values to unsigned long: |
128 | 0 = ok |
129 | 1 = couldn't cast < 0 |
130 | 2 = couldn't cast >= 0x80000000 |
131 | 4 = couldn't cast in argument expression list |
132 | |
133 | cat (Loc.U): |
134 | This variable is be used internally by Configure to determine the |
135 | full pathname (if any) of the cat program. After Configure runs, |
136 | the value is reset to a plain "cat" and is not useful. |
137 | |
138 | cc (cc.U): |
139 | This variable holds the name of a command to execute a C compiler which |
140 | can resolve multiple global references that happen to have the same |
141 | name. Usual values are 'cc', 'Mcc', 'cc -M', and 'gcc'. |
142 | |
143 | cccdlflags (dlsrc.U): |
144 | This variable contains any special flags that might need to be |
145 | passed with 'cc -c' to compile modules to be used to create a shared |
146 | library that will be used for dynamic loading. For hpux, this |
147 | should be +z. It is up to the makefile to use it. |
148 | |
149 | ccdlflags (dlsrc.U): |
150 | This variable contains any special flags that might need to be |
151 | passed to cc to link with a shared library for dynamic loading. |
152 | It is up to the makefile to use it. For sunos 4.1, it should |
153 | be empty. |
154 | |
155 | ccflags (ccflags.U): |
156 | This variable contains any additional C compiler flags desired by |
157 | the user. It is up to the Makefile to use this. |
158 | |
159 | ccsymbols (Cppsym.U): |
160 | The variable contains the symbols defined by the C compiler alone. |
161 | The symbols defined by cpp or by cc when it calls cpp are not in |
162 | this list, see cppsymbols and cppccsymbols. |
163 | The list is a space-separated list of symbol=value tokens. |
164 | |
165 | cf_by (cf_who.U): |
166 | Login name of the person who ran the Configure script and answered the |
167 | questions. This is used to tag both config.sh and config_h.SH. |
168 | |
169 | cf_email (cf_email.U): |
170 | Electronic mail address of the person who ran Configure. This can be |
171 | used by units that require the user's e-mail, like MailList.U. |
172 | |
173 | cf_time (cf_who.U): |
174 | Holds the output of the "date" command when the configuration file was |
175 | produced. This is used to tag both config.sh and config_h.SH. |
176 | |
177 | chgrp (Loc.U): |
178 | This variable is defined but not used by Configure. |
179 | The value is a plain '' and is not useful. |
180 | |
181 | chmod (Loc.U): |
182 | This variable is defined but not used by Configure. |
183 | The value is a plain '' and is not useful. |
184 | |
185 | chown (Loc.U): |
186 | This variable is defined but not used by Configure. |
187 | The value is a plain '' and is not useful. |
188 | |
189 | clocktype (d_times.U): |
190 | This variable holds the type returned by times(). It can be long, |
191 | or clock_t on BSD sites (in which case <sys/types.h> should be |
192 | included). |
193 | |
194 | comm (Loc.U): |
195 | This variable is be used internally by Configure to determine the |
196 | full pathname (if any) of the comm program. After Configure runs, |
197 | the value is reset to a plain "comm" and is not useful. |
198 | |
199 | compress (Loc.U): |
200 | This variable is defined but not used by Configure. |
201 | The value is a plain '' and is not useful. |
202 | |
203 | contains (contains.U): |
204 | This variable holds the command to do a grep with a proper return |
205 | status. On most sane systems it is simply "grep". On insane systems |
206 | it is a grep followed by a cat followed by a test. This variable |
207 | is primarily for the use of other Configure units. |
208 | |
209 | cp (Loc.U): |
210 | This variable is be used internally by Configure to determine the |
211 | full pathname (if any) of the cp program. After Configure runs, |
212 | the value is reset to a plain "cp" and is not useful. |
213 | |
214 | cpio (Loc.U): |
215 | This variable is defined but not used by Configure. |
216 | The value is a plain '' and is not useful. |
217 | |
218 | cpp (Loc.U): |
219 | This variable is be used internally by Configure to determine the |
220 | full pathname (if any) of the cpp program. After Configure runs, |
221 | the value is reset to a plain "cpp" and is not useful. |
222 | |
223 | cpp_stuff (cpp_stuff.U): |
224 | This variable contains an identification of the catenation mechanism |
225 | used by the C preprocessor. |
226 | |
227 | cppccsymbols (Cppsym.U): |
228 | The variable contains the symbols defined by the C compiler when |
229 | when it calls cpp. The symbols defined by the cc alone or cpp |
230 | alone are not in this list, see ccsymbols and cppsymbols. |
231 | The list is a space-separated list of symbol=value tokens. |
232 | |
233 | cppflags (ccflags.U): |
234 | This variable holds the flags that will be passed to the C pre- |
235 | processor. It is up to the Makefile to use it. |
236 | |
237 | cpplast (cppstdin.U): |
238 | This variable has the same functionality as cppminus, only it applies |
239 | to cpprun and not cppstdin. |
240 | |
241 | cppminus (cppstdin.U): |
242 | This variable contains the second part of the string which will invoke |
243 | the C preprocessor on the standard input and produce to standard |
244 | output. This variable will have the value "-" if cppstdin needs |
245 | a minus to specify standard input, otherwise the value is "". |
246 | |
247 | cpprun (cppstdin.U): |
248 | This variable contains the command which will invoke a C preprocessor |
249 | on standard input and put the output to stdout. It is guaranteed not |
250 | to be a wrapper and may be a null string if no preprocessor can be |
251 | made directly available. This preprocessor might be different from the |
252 | one used by the C compiler. Don't forget to append cpplast after the |
253 | preprocessor options. |
254 | |
255 | cppstdin (cppstdin.U): |
256 | This variable contains the command which will invoke the C |
257 | preprocessor on standard input and put the output to stdout. |
258 | It is primarily used by other Configure units that ask about |
259 | preprocessor symbols. |
260 | |
261 | cppsymbols (Cppsym.U): |
262 | The variable contains the symbols defined by the C preprocessor |
263 | alone. The symbols defined by cc or by cc when it calls cpp are |
264 | not in this list, see ccsymbols and cppccsymbols. |
265 | The list is a space-separated list of symbol=value tokens. |
266 | |
267 | crosscompile (crosscompile.U): |
268 | This variable conditionally defines the CROSSCOMPILE symbol |
269 | which signifies that the build process is be a cross-compilation. |
270 | This is normally set by hints files or from Configure command line. |
271 | |
272 | cryptlib (d_crypt.U): |
273 | This variable holds -lcrypt or the path to a libcrypt.a archive if |
274 | the crypt() function is not defined in the standard C library. It is |
275 | up to the Makefile to use this. |
276 | |
277 | csh (Loc.U): |
278 | This variable is be used internally by Configure to determine the |
279 | full pathname (if any) of the csh program. After Configure runs, |
280 | the value is reset to a plain "csh" and is not useful. |
281 | |
282 | d_access (d_access.U): |
283 | This variable conditionally defines HAS_ACCESS if the access() system |
284 | call is available to check for access permissions using real IDs. |
285 | |
286 | d_accessx (d_accessx.U): |
287 | This variable conditionally defines the HAS_ACCESSX symbol, which |
288 | indicates to the C program that the accessx() routine is available. |
289 | |
290 | d_alarm (d_alarm.U): |
291 | This variable conditionally defines the HAS_ALARM symbol, which |
292 | indicates to the C program that the alarm() routine is available. |
293 | |
294 | d_archlib (archlib.U): |
295 | This variable conditionally defines ARCHLIB to hold the pathname |
296 | of architecture-dependent library files for $package. If |
297 | $archlib is the same as $privlib, then this is set to undef. |
298 | |
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299 | d_atolf (atolf.U): |
300 | This variable conditionally defines the HAS_ATOLF symbol, which |
301 | indicates to the C program that the atolf() routine is available. |
302 | |
303 | d_atoll (atoll.U): |
304 | This variable conditionally defines the HAS_ATOLL symbol, which |
305 | indicates to the C program that the atoll() routine is available. |
306 | |
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307 | d_attribut (d_attribut.U): |
308 | This variable conditionally defines HASATTRIBUTE, which |
309 | indicates the C compiler can check for function attributes, |
310 | such as printf formats. |
311 | |
312 | d_bcmp (d_bcmp.U): |
313 | This variable conditionally defines the HAS_BCMP symbol if |
314 | the bcmp() routine is available to compare strings. |
315 | |
316 | d_bcopy (d_bcopy.U): |
317 | This variable conditionally defines the HAS_BCOPY symbol if |
318 | the bcopy() routine is available to copy strings. |
319 | |
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320 | d_bincompat5005 (bincompat5005.U): |
321 | This variable conditionally defines BINCOMPAT5005 so that embed.h |
322 | can take special action if Perl 5.006 should be binary-compatible |
323 | with Perl 5.005. This is impossible for builds that use features |
324 | like threads and multiplicity it is always $undef for those versions. |
325 | |
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326 | d_bsd (Guess.U): |
327 | This symbol conditionally defines the symbol BSD when running on a |
328 | BSD system. |
329 | |
330 | d_bsdgetpgrp (d_getpgrp.U): |
331 | This variable conditionally defines USE_BSD_GETPGRP if |
332 | getpgrp needs one arguments whereas USG one needs none. |
333 | |
334 | d_bsdsetpgrp (d_setpgrp.U): |
335 | This variable conditionally defines USE_BSD_SETPGRP if |
336 | setpgrp needs two arguments whereas USG one needs none. |
337 | See also d_setpgid for a POSIX interface. |
338 | |
339 | d_bzero (d_bzero.U): |
340 | This variable conditionally defines the HAS_BZERO symbol if |
341 | the bzero() routine is available to set memory to 0. |
342 | |
343 | d_casti32 (d_casti32.U): |
344 | This variable conditionally defines CASTI32, which indicates |
345 | whether the C compiler can cast large floats to 32-bit ints. |
346 | |
347 | d_castneg (d_castneg.U): |
348 | This variable conditionally defines CASTNEG, which indicates |
349 | wether the C compiler can cast negative float to unsigned. |
350 | |
351 | d_charvspr (d_vprintf.U): |
352 | This variable conditionally defines CHARVSPRINTF if this system |
353 | has vsprintf returning type (char*). The trend seems to be to |
354 | declare it as "int vsprintf()". |
355 | |
356 | d_chown (d_chown.U): |
357 | This variable conditionally defines the HAS_CHOWN symbol, which |
358 | indicates to the C program that the chown() routine is available. |
359 | |
360 | d_chroot (d_chroot.U): |
361 | This variable conditionally defines the HAS_CHROOT symbol, which |
362 | indicates to the C program that the chroot() routine is available. |
363 | |
364 | d_chsize (d_chsize.U): |
365 | This variable conditionally defines the CHSIZE symbol, which |
366 | indicates to the C program that the chsize() routine is available |
367 | to truncate files. You might need a -lx to get this routine. |
368 | |
369 | d_closedir (d_closedir.U): |
370 | This variable conditionally defines HAS_CLOSEDIR if closedir() is |
371 | available. |
372 | |
373 | d_cmsghdr_s (d_socket.U): |
374 | This variable conditionally defines the HAS_STRUCT_CMSGHDR symbol, |
375 | which indicates that the the struct cmsghdr is supported. |
376 | |
377 | d_const (d_const.U): |
378 | This variable conditionally defines the HASCONST symbol, which |
379 | indicates to the C program that this C compiler knows about the |
380 | const type. |
381 | |
382 | d_crypt (d_crypt.U): |
383 | This variable conditionally defines the CRYPT symbol, which |
384 | indicates to the C program that the crypt() routine is available |
385 | to encrypt passwords and the like. |
386 | |
387 | d_csh (d_csh.U): |
388 | This variable conditionally defines the CSH symbol, which |
389 | indicates to the C program that the C-shell exists. |
390 | |
391 | d_cuserid (d_cuserid.U): |
392 | This variable conditionally defines the HAS_CUSERID symbol, which |
393 | indicates to the C program that the cuserid() routine is available |
394 | to get character login names. |
395 | |
396 | d_dbl_dig (d_dbl_dig.U): |
397 | This variable conditionally defines d_dbl_dig if this system's |
398 | header files provide DBL_DIG, which is the number of significant |
399 | digits in a double precision number. |
400 | |
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401 | d_difftime (d_difftime.U): |
402 | This variable conditionally defines the HAS_DIFFTIME symbol, which |
403 | indicates to the C program that the difftime() routine is available. |
404 | |
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405 | d_dirnamlen (i_dirent.U): |
406 | This variable conditionally defines DIRNAMLEN, which indicates |
407 | to the C program that the length of directory entry names is |
408 | provided by a d_namelen field. |
409 | |
410 | d_dlerror (d_dlerror.U): |
411 | This variable conditionally defines the HAS_DLERROR symbol, which |
412 | indicates to the C program that the dlerror() routine is available. |
413 | |
414 | d_dlopen (d_dlopen.U): |
415 | This variable conditionally defines the HAS_DLOPEN symbol, which |
416 | indicates to the C program that the dlopen() routine is available. |
417 | |
418 | d_dlsymun (d_dlsymun.U): |
419 | This variable conditionally defines DLSYM_NEEDS_UNDERSCORE, which |
420 | indicates that we need to prepend an underscore to the symbol |
421 | name before calling dlsym(). |
422 | |
423 | d_dosuid (d_dosuid.U): |
424 | This variable conditionally defines the symbol DOSUID, which |
425 | tells the C program that it should insert setuid emulation code |
426 | on hosts which have setuid #! scripts disabled. |
427 | |
428 | d_drand48proto (d_drand48proto.U): |
429 | This variable conditionally defines the HAS_DRAND48_PROTO symbol, |
430 | which indicates to the C program that the system provides |
431 | a prototype for the drand48() function. Otherwise, it is |
432 | up to the program to supply one. |
433 | |
434 | d_dup2 (d_dup2.U): |
435 | This variable conditionally defines HAS_DUP2 if dup2() is |
436 | available to duplicate file descriptors. |
437 | |
438 | d_eaccess (d_eaccess.U): |
439 | This variable conditionally defines the HAS_EACCESS symbol, which |
440 | indicates to the C program that the eaccess() routine is available. |
441 | |
442 | d_endgrent (d_endgrent.U): |
443 | This variable conditionally defines the HAS_ENDGRENT symbol, which |
444 | indicates to the C program that the endgrent() routine is available |
445 | for sequential access of the group database. |
446 | |
447 | d_endhent (d_endhent.U): |
448 | This variable conditionally defines HAS_ENDHOSTENT if endhostent() is |
449 | available to close whatever was being used for host queries. |
450 | |
451 | d_endnent (d_endnent.U): |
452 | This variable conditionally defines HAS_ENDNETENT if endnetent() is |
453 | available to close whatever was being used for network queries. |
454 | |
455 | d_endpent (d_endpent.U): |
456 | This variable conditionally defines HAS_ENDPROTOENT if endprotoent() is |
457 | available to close whatever was being used for protocol queries. |
458 | |
459 | d_endpwent (d_endpwent.U): |
460 | This variable conditionally defines the HAS_ENDPWENT symbol, which |
461 | indicates to the C program that the endpwent() routine is available |
462 | for sequential access of the passwd database. |
463 | |
464 | d_endsent (d_endsent.U): |
465 | This variable conditionally defines HAS_ENDSERVENT if endservent() is |
466 | available to close whatever was being used for service queries. |
467 | |
468 | d_endspent (d_endspent.U): |
469 | This variable conditionally defines HAS_ENDSPENT if endspent() is |
470 | available to finalize the scan of SysV shadow password entries. |
471 | |
472 | d_eofnblk (nblock_io.U): |
473 | This variable conditionally defines EOF_NONBLOCK if EOF can be seen |
474 | when reading from a non-blocking I/O source. |
475 | |
476 | d_eunice (Guess.U): |
477 | This variable conditionally defines the symbols EUNICE and VAX, which |
478 | alerts the C program that it must deal with ideosyncracies of VMS. |
479 | |
480 | d_fchmod (d_fchmod.U): |
481 | This variable conditionally defines the HAS_FCHMOD symbol, which |
482 | indicates to the C program that the fchmod() routine is available |
483 | to change mode of opened files. |
484 | |
485 | d_fchown (d_fchown.U): |
486 | This variable conditionally defines the HAS_FCHOWN symbol, which |
487 | indicates to the C program that the fchown() routine is available |
488 | to change ownership of opened files. |
489 | |
490 | d_fcntl (d_fcntl.U): |
491 | This variable conditionally defines the HAS_FCNTL symbol, and indicates |
492 | whether the fcntl() function exists |
493 | |
494 | d_fd_macros (d_fd_set.U): |
495 | This variable contains the eventual value of the HAS_FD_MACROS symbol, |
496 | which indicates if your C compiler knows about the macros which |
497 | manipulate an fd_set. |
498 | |
499 | d_fd_set (d_fd_set.U): |
500 | This variable contains the eventual value of the HAS_FD_SET symbol, |
501 | which indicates if your C compiler knows about the fd_set typedef. |
502 | |
503 | d_fds_bits (d_fd_set.U): |
504 | This variable contains the eventual value of the HAS_FDS_BITS symbol, |
505 | which indicates if your fd_set typedef contains the fds_bits member. |
506 | If you have an fd_set typedef, but the dweebs who installed it did |
507 | a half-fast job and neglected to provide the macros to manipulate |
508 | an fd_set, HAS_FDS_BITS will let us know how to fix the gaffe. |
509 | |
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510 | d_fgetpos (d_fgetpos.U): |
511 | This variable conditionally defines HAS_FGETPOS if fgetpos() is |
512 | available to get the file position indicator. |
513 | |
781b178c |
514 | d_flexfnam (d_flexfnam.U): |
515 | This variable conditionally defines the FLEXFILENAMES symbol, which |
516 | indicates that the system supports filenames longer than 14 characters. |
517 | |
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518 | d_flock (d_flock.U): |
519 | This variable conditionally defines HAS_FLOCK if flock() is |
520 | available to do file locking. |
521 | |
781b178c |
522 | d_fork (d_fork.U): |
523 | This variable conditionally defines the HAS_FORK symbol, which |
524 | indicates to the C program that the fork() routine is available. |
525 | |
526 | d_fpathconf (d_pathconf.U): |
527 | This variable conditionally defines the HAS_FPATHCONF symbol, which |
528 | indicates to the C program that the pathconf() routine is available |
529 | to determine file-system related limits and options associated |
530 | with a given open file descriptor. |
531 | |
ca24dfc6 |
532 | d_fpos64_t (io64.U): |
533 | This symbol will be defined if the C compiler supports fpos64_t. |
781b178c |
534 | |
535 | d_fseeko (d_fseeko.U): |
536 | This variable conditionally defines the HAS_FSEEKO symbol, which |
537 | indicates to the C program that the fseeko() routine is available. |
538 | |
781b178c |
539 | d_fsetpos (d_fsetpos.U): |
540 | This variable conditionally defines HAS_FSETPOS if fsetpos() is |
541 | available to set the file position indicator. |
542 | |
781b178c |
543 | d_fstatfs (d_statfs.U): |
544 | This variable conditionally defines the HAS_FSTATFS symbol, which |
545 | indicates to the C program that the fstatfs() routine is available. |
546 | |
547 | d_fstatvfs (d_statvfs.U): |
548 | This variable conditionally defines the HAS_FSTATVFS symbol, which |
549 | indicates to the C program that the fstatvfs() routine is available. |
550 | |
781b178c |
551 | d_ftello (d_ftello.U): |
552 | This variable conditionally defines the HAS_FTELLO symbol, which |
553 | indicates to the C program that the ftello() routine is available. |
554 | |
555 | d_ftime (d_ftime.U): |
556 | This variable conditionally defines the HAS_FTIME symbol, which indicates |
557 | that the ftime() routine exists. The ftime() routine is basically |
558 | a sub-second accuracy clock. |
559 | |
781b178c |
560 | d_Gconvert (d_gconvert.U): |
561 | This variable holds what Gconvert is defined as to convert |
562 | floating point numbers into strings. It could be 'gconvert' |
563 | or a more complex macro emulating gconvert with gcvt() or sprintf. |
564 | Possible values are: |
565 | d_Gconvert='gconvert((x),(n),(t),(b))' |
566 | d_Gconvert='gcvt((x),(n),(b))' |
567 | d_Gconvert='sprintf((b),"%.*g",(n),(x))' |
568 | |
569 | d_getgrent (d_getgrent.U): |
570 | This variable conditionally defines the HAS_GETGRENT symbol, which |
571 | indicates to the C program that the getgrent() routine is available |
572 | for sequential access of the group database. |
573 | |
574 | d_getgrps (d_getgrps.U): |
575 | This variable conditionally defines the HAS_GETGROUPS symbol, which |
576 | indicates to the C program that the getgroups() routine is available |
577 | to get the list of process groups. |
578 | |
579 | d_gethbyaddr (d_gethbyad.U): |
580 | This variable conditionally defines the HAS_GETHOSTBYADDR symbol, which |
581 | indicates to the C program that the gethostbyaddr() routine is available |
582 | to look up hosts by their IP addresses. |
583 | |
584 | d_gethbyname (d_gethbynm.U): |
585 | This variable conditionally defines the HAS_GETHOSTBYNAME symbol, which |
586 | indicates to the C program that the gethostbyname() routine is available |
587 | to look up host names in some data base or other. |
588 | |
589 | d_gethent (d_gethent.U): |
590 | This variable conditionally defines HAS_GETHOSTENT if gethostent() is |
591 | available to look up host names in some data base or another. |
592 | |
593 | d_gethname (d_gethname.U): |
594 | This variable conditionally defines the HAS_GETHOSTNAME symbol, which |
595 | indicates to the C program that the gethostname() routine may be |
596 | used to derive the host name. |
597 | |
598 | d_gethostprotos (d_gethostprotos.U): |
599 | This variable conditionally defines the HAS_GETHOST_PROTOS symbol, |
600 | which indicates to the C program that <netdb.h> supplies |
601 | prototypes for the various gethost*() functions. |
602 | See also netdbtype.U for probing for various netdb types. |
603 | |
604 | d_getlogin (d_getlogin.U): |
605 | This variable conditionally defines the HAS_GETLOGIN symbol, which |
606 | indicates to the C program that the getlogin() routine is available |
607 | to get the login name. |
608 | |
609 | d_getmntent (d_getmntent.U): |
610 | This variable conditionally defines the HAS_GETMNTENT symbol, which |
611 | indicates to the C program that the getmntent() routine is available |
612 | to iterate through mounted files. |
613 | |
614 | d_getnbyaddr (d_getnbyad.U): |
615 | This variable conditionally defines the HAS_GETNETBYADDR symbol, which |
616 | indicates to the C program that the getnetbyaddr() routine is available |
617 | to look up networks by their IP addresses. |
618 | |
619 | d_getnbyname (d_getnbynm.U): |
620 | This variable conditionally defines the HAS_GETNETBYNAME symbol, which |
621 | indicates to the C program that the getnetbyname() routine is available |
622 | to look up networks by their names. |
623 | |
624 | d_getnent (d_getnent.U): |
625 | This variable conditionally defines HAS_GETNETENT if getnetent() is |
626 | available to look up network names in some data base or another. |
627 | |
628 | d_getnetprotos (d_getnetprotos.U): |
629 | This variable conditionally defines the HAS_GETNET_PROTOS symbol, |
630 | which indicates to the C program that <netdb.h> supplies |
631 | prototypes for the various getnet*() functions. |
632 | See also netdbtype.U for probing for various netdb types. |
633 | |
634 | d_getpbyname (d_getprotby.U): |
635 | This variable conditionally defines the HAS_GETPROTOBYNAME |
636 | symbol, which indicates to the C program that the |
637 | getprotobyname() routine is available to look up protocols |
638 | by their name. |
639 | |
640 | d_getpbynumber (d_getprotby.U): |
641 | This variable conditionally defines the HAS_GETPROTOBYNUMBER |
642 | symbol, which indicates to the C program that the |
643 | getprotobynumber() routine is available to look up protocols |
644 | by their number. |
645 | |
646 | d_getpent (d_getpent.U): |
647 | This variable conditionally defines HAS_GETPROTOENT if getprotoent() is |
648 | available to look up protocols in some data base or another. |
649 | |
650 | d_getpgid (d_getpgid.U): |
651 | This variable conditionally defines the HAS_GETPGID symbol, which |
652 | indicates to the C program that the getpgid(pid) function |
653 | is available to get the process group id. |
654 | |
655 | d_getpgrp2 (d_getpgrp2.U): |
656 | This variable conditionally defines the HAS_GETPGRP2 symbol, which |
657 | indicates to the C program that the getpgrp2() (as in DG/UX) routine |
658 | is available to get the current process group. |
659 | |
660 | d_getpgrp (d_getpgrp.U): |
661 | This variable conditionally defines HAS_GETPGRP if getpgrp() is |
662 | available to get the current process group. |
663 | |
664 | d_getppid (d_getppid.U): |
665 | This variable conditionally defines the HAS_GETPPID symbol, which |
666 | indicates to the C program that the getppid() routine is available |
667 | to get the parent process ID. |
668 | |
669 | d_getprior (d_getprior.U): |
670 | This variable conditionally defines HAS_GETPRIORITY if getpriority() |
671 | is available to get a process's priority. |
672 | |
673 | d_getprotoprotos (d_getprotoprotos.U): |
674 | This variable conditionally defines the HAS_GETPROTO_PROTOS symbol, |
675 | which indicates to the C program that <netdb.h> supplies |
676 | prototypes for the various getproto*() functions. |
677 | See also netdbtype.U for probing for various netdb types. |
678 | |
679 | d_getpwent (d_getpwent.U): |
680 | This variable conditionally defines the HAS_GETPWENT symbol, which |
681 | indicates to the C program that the getpwent() routine is available |
682 | for sequential access of the passwd database. |
683 | |
684 | d_getsbyname (d_getsrvby.U): |
685 | This variable conditionally defines the HAS_GETSERVBYNAME |
686 | symbol, which indicates to the C program that the |
687 | getservbyname() routine is available to look up services |
688 | by their name. |
689 | |
690 | d_getsbyport (d_getsrvby.U): |
691 | This variable conditionally defines the HAS_GETSERVBYPORT |
692 | symbol, which indicates to the C program that the |
693 | getservbyport() routine is available to look up services |
694 | by their port. |
695 | |
696 | d_getsent (d_getsent.U): |
697 | This variable conditionally defines HAS_GETSERVENT if getservent() is |
698 | available to look up network services in some data base or another. |
699 | |
700 | d_getservprotos (d_getservprotos.U): |
701 | This variable conditionally defines the HAS_GETSERV_PROTOS symbol, |
702 | which indicates to the C program that <netdb.h> supplies |
703 | prototypes for the various getserv*() functions. |
704 | See also netdbtype.U for probing for various netdb types. |
705 | |
706 | d_getspent (d_getspent.U): |
707 | This variable conditionally defines HAS_GETSPENT if getspent() is |
708 | available to retrieve SysV shadow password entries sequentially. |
709 | |
710 | d_getspnam (d_getspnam.U): |
711 | This variable conditionally defines HAS_GETSPNAM if getspnam() is |
712 | available to retrieve SysV shadow password entries by name. |
713 | |
714 | d_gettimeod (d_ftime.U): |
715 | This variable conditionally defines the HAS_GETTIMEOFDAY symbol, which |
716 | indicates that the gettimeofday() system call exists (to obtain a |
717 | sub-second accuracy clock). You should probably include <sys/resource.h>. |
718 | |
719 | d_gnulibc (d_gnulibc.U): |
720 | Defined if we're dealing with the GNU C Library. |
721 | |
722 | d_grpasswd (i_grp.U): |
723 | This variable conditionally defines GRPASSWD, which indicates |
724 | that struct group in <grp.h> contains gr_passwd. |
725 | |
726 | d_hasmntopt (d_hasmntopt.U): |
727 | This variable conditionally defines the HAS_HASMNTOPT symbol, which |
728 | indicates to the C program that the hasmntopt() routine is available |
729 | to query the mount options of file systems. |
730 | |
731 | d_htonl (d_htonl.U): |
732 | This variable conditionally defines HAS_HTONL if htonl() and its |
733 | friends are available to do network order byte swapping. |
734 | |
735 | d_index (d_strchr.U): |
736 | This variable conditionally defines HAS_INDEX if index() and |
737 | rindex() are available for string searching. |
738 | |
739 | d_inetaton (d_inetaton.U): |
740 | This variable conditionally defines the HAS_INET_ATON symbol, which |
741 | indicates to the C program that the inet_aton() function is available |
742 | to parse IP address "dotted-quad" strings. |
743 | |
781b178c |
744 | d_int64t (i_inttypes.U): |
745 | This symbol will be defined if the C compiler supports int64_t. |
746 | |
747 | d_iovec_s (i_sysuio.U): |
748 | This variable conditionally defines the HAS_STRUCT_IOVEC symbol, |
749 | which indicates that the struct iovec is supported. |
750 | |
751 | d_isascii (d_isascii.U): |
752 | This variable conditionally defines the HAS_ISASCII constant, |
753 | which indicates to the C program that isascii() is available. |
754 | |
755 | d_killpg (d_killpg.U): |
756 | This variable conditionally defines the HAS_KILLPG symbol, which |
757 | indicates to the C program that the killpg() routine is available |
758 | to kill process groups. |
759 | |
760 | d_lchown (d_lchown.U): |
761 | This variable conditionally defines the HAS_LCHOWN symbol, which |
762 | indicates to the C program that the lchown() routine is available |
763 | to operate on a symbolic link (instead of following the link). |
764 | |
ca24dfc6 |
765 | d_ldbl_dig (d_ldbl_dig.U): |
766 | This variable conditionally defines d_ldbl_dig if this system's |
767 | header files provide LDBL_DIG, which is the number of significant |
768 | digits in a long double precision number. |
769 | |
781b178c |
770 | d_link (d_link.U): |
771 | This variable conditionally defines HAS_LINK if link() is |
772 | available to create hard links. |
773 | |
774 | d_llseek (io64.U): |
775 | This variable conditionally defines the HAS_LLSEEK symbol, which |
776 | indicates to the C program that the llseek() routine is available. |
777 | |
778 | d_locconv (d_locconv.U): |
779 | This variable conditionally defines HAS_LOCALECONV if localeconv() is |
780 | available for numeric and monetary formatting conventions. |
781 | |
781b178c |
782 | d_lockf (d_lockf.U): |
783 | This variable conditionally defines HAS_LOCKF if lockf() is |
784 | available to do file locking. |
785 | |
786 | d_longdbl (d_longdbl.U): |
787 | This variable conditionally defines HAS_LONG_DOUBLE if |
788 | the long double type is supported. |
789 | |
790 | d_longlong (d_longlong.U): |
791 | This variable conditionally defines HAS_LONG_LONG if |
792 | the long long type is supported. |
793 | |
781b178c |
794 | d_lstat (d_lstat.U): |
795 | This variable conditionally defines HAS_LSTAT if lstat() is |
796 | available to do file stats on symbolic links. |
797 | |
798 | d_madvise (d_madvise.U): |
799 | This variable conditionally defines HAS_MADVISE if madvise() is |
800 | available to map a file into memory. |
801 | |
802 | d_mblen (d_mblen.U): |
803 | This variable conditionally defines the HAS_MBLEN symbol, which |
804 | indicates to the C program that the mblen() routine is available |
805 | to find the number of bytes in a multibye character. |
806 | |
807 | d_mbstowcs (d_mbstowcs.U): |
808 | This variable conditionally defines the HAS_MBSTOWCS symbol, which |
809 | indicates to the C program that the mbstowcs() routine is available |
810 | to convert a multibyte string into a wide character string. |
811 | |
812 | d_mbtowc (d_mbtowc.U): |
813 | This variable conditionally defines the HAS_MBTOWC symbol, which |
814 | indicates to the C program that the mbtowc() routine is available |
815 | to convert multibyte to a wide character. |
816 | |
817 | d_memchr (d_memchr.U): |
818 | This variable conditionally defines the HAS_MEMCHR symbol, which |
819 | indicates to the C program that the memchr() routine is available |
820 | to locate characters within a C string. |
821 | |
822 | d_memcmp (d_memcmp.U): |
823 | This variable conditionally defines the HAS_MEMCMP symbol, which |
824 | indicates to the C program that the memcmp() routine is available |
825 | to compare blocks of memory. |
826 | |
827 | d_memcpy (d_memcpy.U): |
828 | This variable conditionally defines the HAS_MEMCPY symbol, which |
829 | indicates to the C program that the memcpy() routine is available |
830 | to copy blocks of memory. |
831 | |
832 | d_memmove (d_memmove.U): |
833 | This variable conditionally defines the HAS_MEMMOVE symbol, which |
834 | indicates to the C program that the memmove() routine is available |
835 | to copy potentatially overlapping blocks of memory. |
836 | |
837 | d_memset (d_memset.U): |
838 | This variable conditionally defines the HAS_MEMSET symbol, which |
839 | indicates to the C program that the memset() routine is available |
840 | to set blocks of memory. |
841 | |
842 | d_mkdir (d_mkdir.U): |
843 | This variable conditionally defines the HAS_MKDIR symbol, which |
844 | indicates to the C program that the mkdir() routine is available |
845 | to create directories.. |
846 | |
847 | d_mkfifo (d_mkfifo.U): |
848 | This variable conditionally defines the HAS_MKFIFO symbol, which |
849 | indicates to the C program that the mkfifo() routine is available. |
850 | |
851 | d_mktime (d_mktime.U): |
852 | This variable conditionally defines the HAS_MKTIME symbol, which |
853 | indicates to the C program that the mktime() routine is available. |
854 | |
855 | d_mmap (d_mmap.U): |
856 | This variable conditionally defines HAS_MMAP if mmap() is |
857 | available to map a file into memory. |
858 | |
859 | d_mprotect (d_mprotect.U): |
860 | This variable conditionally defines HAS_MPROTECT if mprotect() is |
861 | available to modify the access protection of a memory mapped file. |
862 | |
863 | d_msg (d_msg.U): |
864 | This variable conditionally defines the HAS_MSG symbol, which |
865 | indicates that the entire msg*(2) library is present. |
866 | |
867 | d_msg_ctrunc (d_socket.U): |
868 | This variable conditionally defines the HAS_MSG_CTRUNC symbol, |
869 | which indicates that the MSG_CTRUNC is available. #ifdef is |
870 | not enough because it may be an enum, glibc has been known to do this. |
871 | |
872 | d_msg_dontroute (d_socket.U): |
873 | This variable conditionally defines the HAS_MSG_DONTROUTE symbol, |
874 | which indicates that the MSG_DONTROUTE is available. #ifdef is |
875 | not enough because it may be an enum, glibc has been known to do this. |
876 | |
877 | d_msg_oob (d_socket.U): |
878 | This variable conditionally defines the HAS_MSG_OOB symbol, |
879 | which indicates that the MSG_OOB is available. #ifdef is |
880 | not enough because it may be an enum, glibc has been known to do this. |
881 | |
882 | d_msg_peek (d_socket.U): |
883 | This variable conditionally defines the HAS_MSG_PEEK symbol, |
884 | which indicates that the MSG_PEEK is available. #ifdef is |
885 | not enough because it may be an enum, glibc has been known to do this. |
886 | |
887 | d_msg_proxy (d_socket.U): |
888 | This variable conditionally defines the HAS_MSG_PROXY symbol, |
889 | which indicates that the MSG_PROXY is available. #ifdef is |
890 | not enough because it may be an enum, glibc has been known to do this. |
891 | |
892 | d_msgctl (d_msgctl.U): |
893 | This variable conditionally defines the HAS_MSGCTL symbol, which |
894 | indicates to the C program that the msgctl() routine is available. |
895 | |
896 | d_msgget (d_msgget.U): |
897 | This variable conditionally defines the HAS_MSGGET symbol, which |
898 | indicates to the C program that the msgget() routine is available. |
899 | |
900 | d_msghdr_s (d_socket.U): |
901 | This variable conditionally defines the HAS_STRUCT_MSGHDR symbol, |
902 | which indicates that the struct msghdr is supported. |
903 | |
904 | d_msgrcv (d_msgrcv.U): |
905 | This variable conditionally defines the HAS_MSGRCV symbol, which |
906 | indicates to the C program that the msgrcv() routine is available. |
907 | |
908 | d_msgsnd (d_msgsnd.U): |
909 | This variable conditionally defines the HAS_MSGSND symbol, which |
910 | indicates to the C program that the msgsnd() routine is available. |
911 | |
912 | d_msync (d_msync.U): |
913 | This variable conditionally defines HAS_MSYNC if msync() is |
914 | available to synchronize a mapped file. |
915 | |
916 | d_munmap (d_munmap.U): |
917 | This variable conditionally defines HAS_MUNMAP if munmap() is |
918 | available to unmap a region mapped by mmap(). |
919 | |
920 | d_mymalloc (mallocsrc.U): |
921 | This variable conditionally defines MYMALLOC in case other parts |
922 | of the source want to take special action if MYMALLOC is used. |
923 | This may include different sorts of profiling or error detection. |
924 | |
781b178c |
925 | d_nice (d_nice.U): |
926 | This variable conditionally defines the HAS_NICE symbol, which |
927 | indicates to the C program that the nice() routine is available. |
928 | |
929 | d_off64_t (io64.U): |
930 | This symbol will be defined if the C compiler supports off64_t. |
931 | |
781b178c |
932 | d_old_pthread_create_joinable (d_pthrattrj.U): |
933 | This variable conditionally defines pthread_create_joinable. |
934 | undef if pthread.h defines PTHREAD_CREATE_JOINABLE. |
935 | |
936 | d_oldpthreads (usethreads.U): |
937 | This variable conditionally defines the OLD_PTHREADS_API symbol, |
938 | and indicates that Perl should be built to use the old |
8c09e4ca |
939 | draft POSIX threads API. This is only potentially meaningful if |
781b178c |
940 | usethreads is set. |
941 | |
942 | d_oldsock (d_socket.U): |
943 | This variable conditionally defines the OLDSOCKET symbol, which |
944 | indicates that the BSD socket interface is based on 4.1c and not 4.2. |
945 | |
946 | d_open3 (d_open3.U): |
947 | This variable conditionally defines the HAS_OPEN3 manifest constant, |
948 | which indicates to the C program that the 3 argument version of |
949 | the open(2) function is available. |
950 | |
781b178c |
951 | d_pathconf (d_pathconf.U): |
952 | This variable conditionally defines the HAS_PATHCONF symbol, which |
953 | indicates to the C program that the pathconf() routine is available |
954 | to determine file-system related limits and options associated |
955 | with a given filename. |
956 | |
957 | d_pause (d_pause.U): |
958 | This variable conditionally defines the HAS_PAUSE symbol, which |
959 | indicates to the C program that the pause() routine is available |
960 | to suspend a process until a signal is received. |
961 | |
962 | d_phostname (d_gethname.U): |
963 | This variable conditionally defines the HAS_PHOSTNAME symbol, which |
964 | contains the shell command which, when fed to popen(), may be |
965 | used to derive the host name. |
966 | |
967 | d_pipe (d_pipe.U): |
968 | This variable conditionally defines the HAS_PIPE symbol, which |
969 | indicates to the C program that the pipe() routine is available |
970 | to create an inter-process channel. |
971 | |
972 | d_poll (d_poll.U): |
973 | This variable conditionally defines the HAS_POLL symbol, which |
974 | indicates to the C program that the poll() routine is available |
975 | to poll active file descriptors. |
976 | |
977 | d_portable (d_portable.U): |
978 | This variable conditionally defines the PORTABLE symbol, which |
979 | indicates to the C program that it should not assume that it is |
980 | running on the machine it was compiled on. |
981 | |
11dc3f68 |
982 | d_PRId64 (quadfio.U): |
983 | This variable conditionally defines the PERL_PRId64 symbol, which |
984 | indiciates that stdio has a symbol to print 64-bit decimal numbers. |
985 | |
986 | d_PRIeldbl (longdblfio.U): |
987 | This variable conditionally defines the PERL_PRIfldlbl symbol, which |
988 | indiciates that stdio has a symbol to print long doubles. |
989 | |
990 | d_PRIEldbl (longdblfio.U): |
991 | This variable conditionally defines the PERL_PRIfldlbl symbol, which |
992 | indiciates that stdio has a symbol to print long doubles. |
993 | |
994 | d_PRIfldbl (longdblfio.U): |
995 | This variable conditionally defines the PERL_PRIfldlbl symbol, which |
996 | indiciates that stdio has a symbol to print long doubles. |
997 | |
998 | d_PRIFldbl (longdblfio.U): |
999 | This variable conditionally defines the PERL_PRIfldlbl symbol, which |
1000 | indiciates that stdio has a symbol to print long doubles. |
1001 | |
1002 | d_PRIgldbl (longdblfio.U): |
1003 | This variable conditionally defines the PERL_PRIfldlbl symbol, which |
1004 | indiciates that stdio has a symbol to print long doubles. |
1005 | |
1006 | d_PRIGldbl (longdblfio.U): |
1007 | This variable conditionally defines the PERL_PRIfldlbl symbol, which |
1008 | indiciates that stdio has a symbol to print long doubles. |
1009 | |
1010 | d_PRIi64 (quadfio.U): |
1011 | This variable conditionally defines the PERL_PRIi64 symbol, which |
1012 | indiciates that stdio has a symbol to print 64-bit decimal numbers. |
1013 | |
1014 | d_PRIo64 (quadfio.U): |
1015 | This variable conditionally defines the PERL_PRIo64 symbol, which |
1016 | indiciates that stdio has a symbol to print 64-bit octal numbers. |
1017 | |
1018 | d_PRIu64 (quadfio.U): |
1019 | This variable conditionally defines the PERL_PRIu64 symbol, which |
1020 | indiciates that stdio has a symbol to print 64-bit unsigned decimal |
1021 | numbers. |
1022 | |
1023 | d_PRIx64 (quadfio.U): |
1024 | This variable conditionally defines the PERL_PRIx64 symbol, which |
1025 | indiciates that stdio has a symbol to print 64-bit hexadecimal numbers. |
1026 | |
1027 | d_PRIX64 (quadfio.U): |
1028 | This variable conditionally defines the PERL_PRIX64 symbol, which |
1029 | indiciates that stdio has a symbol to print 64-bit hExADECimAl numbers. |
1030 | |
781b178c |
1031 | d_pthread_yield (d_pthread_y.U): |
1032 | This variable conditionally defines the HAS_PTHREAD_YIELD |
1033 | symbol if the pthread_yield routine is available to yield |
1034 | the execution of the current thread. |
1035 | |
1036 | d_pwage (i_pwd.U): |
1037 | This variable conditionally defines PWAGE, which indicates |
1038 | that struct passwd contains pw_age. |
1039 | |
1040 | d_pwchange (i_pwd.U): |
1041 | This variable conditionally defines PWCHANGE, which indicates |
1042 | that struct passwd contains pw_change. |
1043 | |
1044 | d_pwclass (i_pwd.U): |
1045 | This variable conditionally defines PWCLASS, which indicates |
1046 | that struct passwd contains pw_class. |
1047 | |
1048 | d_pwcomment (i_pwd.U): |
1049 | This variable conditionally defines PWCOMMENT, which indicates |
1050 | that struct passwd contains pw_comment. |
1051 | |
1052 | d_pwexpire (i_pwd.U): |
1053 | This variable conditionally defines PWEXPIRE, which indicates |
1054 | that struct passwd contains pw_expire. |
1055 | |
1056 | d_pwgecos (i_pwd.U): |
1057 | This variable conditionally defines PWGECOS, which indicates |
1058 | that struct passwd contains pw_gecos. |
1059 | |
1060 | d_pwpasswd (i_pwd.U): |
1061 | This variable conditionally defines PWPASSWD, which indicates |
1062 | that struct passwd contains pw_passwd. |
1063 | |
1064 | d_pwquota (i_pwd.U): |
1065 | This variable conditionally defines PWQUOTA, which indicates |
1066 | that struct passwd contains pw_quota. |
1067 | |
781b178c |
1068 | d_readdir (d_readdir.U): |
1069 | This variable conditionally defines HAS_READDIR if readdir() is |
1070 | available to read directory entries. |
1071 | |
1072 | d_readlink (d_readlink.U): |
1073 | This variable conditionally defines the HAS_READLINK symbol, which |
1074 | indicates to the C program that the readlink() routine is available |
1075 | to read the value of a symbolic link. |
1076 | |
1077 | d_readv (d_readv.U): |
1078 | This variable conditionally defines the HAS_READV symbol, which |
1079 | indicates to the C program that the readv() routine is available. |
1080 | |
1081 | d_recvmsg (d_socket.U): |
1082 | This variable conditionally defines the HAS_RECVMSG symbol, |
1083 | which indicates that the recvmsg is supported. |
1084 | |
1085 | d_rename (d_rename.U): |
1086 | This variable conditionally defines the HAS_RENAME symbol, which |
1087 | indicates to the C program that the rename() routine is available |
1088 | to rename files. |
1089 | |
1090 | d_rewinddir (d_readdir.U): |
1091 | This variable conditionally defines HAS_REWINDDIR if rewinddir() is |
1092 | available. |
1093 | |
1094 | d_rmdir (d_rmdir.U): |
1095 | This variable conditionally defines HAS_RMDIR if rmdir() is |
1096 | available to remove directories. |
1097 | |
1098 | d_safebcpy (d_safebcpy.U): |
1099 | This variable conditionally defines the HAS_SAFE_BCOPY symbol if |
1100 | the bcopy() routine can do overlapping copies. |
1101 | |
1102 | d_safemcpy (d_safemcpy.U): |
1103 | This variable conditionally defines the HAS_SAFE_MEMCPY symbol if |
1104 | the memcpy() routine can do overlapping copies. |
1105 | |
1106 | d_sanemcmp (d_sanemcmp.U): |
1107 | This variable conditionally defines the HAS_SANE_MEMCMP symbol if |
1108 | the memcpy() routine is available and can be used to compare relative |
1109 | magnitudes of chars with their high bits set. |
1110 | |
1111 | d_sched_yield (d_pthread_y.U): |
1112 | This variable conditionally defines the HAS_SCHED_YIELD |
1113 | symbol if the sched_yield routine is available to yield |
1114 | the execution of the current thread. |
1115 | |
1116 | d_scm_rights (d_socket.U): |
1117 | This variable conditionally defines the HAS_SCM_RIGHTS symbol, |
1118 | which indicates that the SCM_RIGHTS is available. #ifdef is |
1119 | not enough because it may be an enum, glibc has been known to do this. |
1120 | |
781b178c |
1121 | d_seekdir (d_readdir.U): |
1122 | This variable conditionally defines HAS_SEEKDIR if seekdir() is |
1123 | available. |
1124 | |
1125 | d_select (d_select.U): |
1126 | This variable conditionally defines HAS_SELECT if select() is |
1127 | available to select active file descriptors. A <sys/time.h> |
1128 | inclusion may be necessary for the timeout field. |
1129 | |
1130 | d_sem (d_sem.U): |
1131 | This variable conditionally defines the HAS_SEM symbol, which |
1132 | indicates that the entire sem*(2) library is present. |
1133 | |
1134 | d_semctl (d_semctl.U): |
1135 | This variable conditionally defines the HAS_SEMCTL symbol, which |
1136 | indicates to the C program that the semctl() routine is available. |
1137 | |
1138 | d_semctl_semid_ds (d_union_semun.U): |
1139 | This variable conditionally defines USE_SEMCTL_SEMID_DS, which |
1140 | indicates that struct semid_ds * is to be used for semctl IPC_STAT. |
1141 | |
1142 | d_semctl_semun (d_union_semun.U): |
1143 | This variable conditionally defines USE_SEMCTL_SEMUN, which |
1144 | indicates that union semun is to be used for semctl IPC_STAT. |
1145 | |
1146 | d_semget (d_semget.U): |
1147 | This variable conditionally defines the HAS_SEMGET symbol, which |
1148 | indicates to the C program that the semget() routine is available. |
1149 | |
1150 | d_semop (d_semop.U): |
1151 | This variable conditionally defines the HAS_SEMOP symbol, which |
1152 | indicates to the C program that the semop() routine is available. |
1153 | |
1154 | d_sendmsg (d_socket.U): |
1155 | This variable conditionally defines the HAS_SENDMSG symbol, |
1156 | which indicates that the sendmsg is supported. |
1157 | |
1158 | d_setegid (d_setegid.U): |
1159 | This variable conditionally defines the HAS_SETEGID symbol, which |
1160 | indicates to the C program that the setegid() routine is available |
1161 | to change the effective gid of the current program. |
1162 | |
1163 | d_seteuid (d_seteuid.U): |
1164 | This variable conditionally defines the HAS_SETEUID symbol, which |
1165 | indicates to the C program that the seteuid() routine is available |
1166 | to change the effective uid of the current program. |
1167 | |
1168 | d_setgrent (d_setgrent.U): |
1169 | This variable conditionally defines the HAS_SETGRENT symbol, which |
1170 | indicates to the C program that the setgrent() routine is available |
1171 | for initializing sequential access to the group database. |
1172 | |
1173 | d_setgrps (d_setgrps.U): |
1174 | This variable conditionally defines the HAS_SETGROUPS symbol, which |
1175 | indicates to the C program that the setgroups() routine is available |
1176 | to set the list of process groups. |
1177 | |
1178 | d_sethent (d_sethent.U): |
1179 | This variable conditionally defines HAS_SETHOSTENT if sethostent() is |
1180 | available. |
1181 | |
1182 | d_setlinebuf (d_setlnbuf.U): |
1183 | This variable conditionally defines the HAS_SETLINEBUF symbol, which |
1184 | indicates to the C program that the setlinebuf() routine is available |
1185 | to change stderr or stdout from block-buffered or unbuffered to a |
1186 | line-buffered mode. |
1187 | |
1188 | d_setlocale (d_setlocale.U): |
1189 | This variable conditionally defines HAS_SETLOCALE if setlocale() is |
1190 | available to handle locale-specific ctype implementations. |
1191 | |
1192 | d_setnent (d_setnent.U): |
1193 | This variable conditionally defines HAS_SETNETENT if setnetent() is |
1194 | available. |
1195 | |
1196 | d_setpent (d_setpent.U): |
1197 | This variable conditionally defines HAS_SETPROTOENT if setprotoent() is |
1198 | available. |
1199 | |
1200 | d_setpgid (d_setpgid.U): |
1201 | This variable conditionally defines the HAS_SETPGID symbol if the |
1202 | setpgid(pid, gpid) function is available to set process group ID. |
1203 | |
1204 | d_setpgrp2 (d_setpgrp2.U): |
1205 | This variable conditionally defines the HAS_SETPGRP2 symbol, which |
1206 | indicates to the C program that the setpgrp2() (as in DG/UX) routine |
1207 | is available to set the current process group. |
1208 | |
1209 | d_setpgrp (d_setpgrp.U): |
1210 | This variable conditionally defines HAS_SETPGRP if setpgrp() is |
1211 | available to set the current process group. |
1212 | |
1213 | d_setprior (d_setprior.U): |
1214 | This variable conditionally defines HAS_SETPRIORITY if setpriority() |
1215 | is available to set a process's priority. |
1216 | |
1217 | d_setpwent (d_setpwent.U): |
1218 | This variable conditionally defines the HAS_SETPWENT symbol, which |
1219 | indicates to the C program that the setpwent() routine is available |
1220 | for initializing sequential access to the passwd database. |
1221 | |
1222 | d_setregid (d_setregid.U): |
1223 | This variable conditionally defines HAS_SETREGID if setregid() is |
1224 | available to change the real and effective gid of the current |
1225 | process. |
1226 | |
1227 | d_setresgid (d_setregid.U): |
1228 | This variable conditionally defines HAS_SETRESGID if setresgid() is |
1229 | available to change the real, effective and saved gid of the current |
1230 | process. |
1231 | |
1232 | d_setresuid (d_setreuid.U): |
1233 | This variable conditionally defines HAS_SETREUID if setresuid() is |
1234 | available to change the real, effective and saved uid of the current |
1235 | process. |
1236 | |
1237 | d_setreuid (d_setreuid.U): |
1238 | This variable conditionally defines HAS_SETREUID if setreuid() is |
1239 | available to change the real and effective uid of the current |
1240 | process. |
1241 | |
1242 | d_setrgid (d_setrgid.U): |
1243 | This variable conditionally defines the HAS_SETRGID symbol, which |
1244 | indicates to the C program that the setrgid() routine is available |
1245 | to change the real gid of the current program. |
1246 | |
1247 | d_setruid (d_setruid.U): |
1248 | This variable conditionally defines the HAS_SETRUID symbol, which |
1249 | indicates to the C program that the setruid() routine is available |
1250 | to change the real uid of the current program. |
1251 | |
1252 | d_setsent (d_setsent.U): |
1253 | This variable conditionally defines HAS_SETSERVENT if setservent() is |
1254 | available. |
1255 | |
1256 | d_setsid (d_setsid.U): |
1257 | This variable conditionally defines HAS_SETSID if setsid() is |
1258 | available to set the process group ID. |
1259 | |
1260 | d_setspent (d_setspent.U): |
1261 | This variable conditionally defines HAS_SETSPENT if setspent() is |
1262 | available to initialize the scan of SysV shadow password entries. |
1263 | |
1264 | d_setvbuf (d_setvbuf.U): |
1265 | This variable conditionally defines the HAS_SETVBUF symbol, which |
1266 | indicates to the C program that the setvbuf() routine is available |
1267 | to change buffering on an open stdio stream. |
1268 | |
1269 | d_sfio (d_sfio.U): |
1270 | This variable conditionally defines the USE_SFIO symbol, |
1271 | and indicates whether sfio is available (and should be used). |
1272 | |
1273 | d_shm (d_shm.U): |
1274 | This variable conditionally defines the HAS_SHM symbol, which |
1275 | indicates that the entire shm*(2) library is present. |
1276 | |
1277 | d_shmat (d_shmat.U): |
1278 | This variable conditionally defines the HAS_SHMAT symbol, which |
1279 | indicates to the C program that the shmat() routine is available. |
1280 | |
1281 | d_shmatprototype (d_shmat.U): |
1282 | This variable conditionally defines the HAS_SHMAT_PROTOTYPE |
1283 | symbol, which indicates that sys/shm.h has a prototype for |
1284 | shmat. |
1285 | |
1286 | d_shmctl (d_shmctl.U): |
1287 | This variable conditionally defines the HAS_SHMCTL symbol, which |
1288 | indicates to the C program that the shmctl() routine is available. |
1289 | |
1290 | d_shmdt (d_shmdt.U): |
1291 | This variable conditionally defines the HAS_SHMDT symbol, which |
1292 | indicates to the C program that the shmdt() routine is available. |
1293 | |
1294 | d_shmget (d_shmget.U): |
1295 | This variable conditionally defines the HAS_SHMGET symbol, which |
1296 | indicates to the C program that the shmget() routine is available. |
1297 | |
1298 | d_sigaction (d_sigaction.U): |
1299 | This variable conditionally defines the HAS_SIGACTION symbol, which |
1300 | indicates that the Vr4 sigaction() routine is available. |
1301 | |
1302 | d_sigsetjmp (d_sigsetjmp.U): |
1303 | This variable conditionally defines the HAS_SIGSETJMP symbol, |
1304 | which indicates that the sigsetjmp() routine is available to |
1305 | call setjmp() and optionally save the process's signal mask. |
1306 | |
1307 | d_socket (d_socket.U): |
1308 | This variable conditionally defines HAS_SOCKET, which indicates |
1309 | that the BSD socket interface is supported. |
1310 | |
1311 | d_sockpair (d_socket.U): |
1312 | This variable conditionally defines the HAS_SOCKETPAIR symbol, which |
1313 | indicates that the BSD socketpair() is supported. |
1314 | |
781b178c |
1315 | d_statblks (d_statblks.U): |
1316 | This variable conditionally defines USE_STAT_BLOCKS |
1317 | if this system has a stat structure declaring |
1318 | st_blksize and st_blocks. |
1319 | |
1320 | d_statfs (d_statfs.U): |
1321 | This variable conditionally defines the HAS_STATFS symbol, which |
1322 | indicates to the C program that the statfs() routine is available. |
1323 | |
1324 | d_statfsflags (d_statfs.U): |
1325 | This variable conditionally defines the HAS_STRUCT_STATFS_FLAGS |
1326 | symbol, which indicates to struct statfs from has f_flags member. |
1327 | This kind of struct statfs is coming from sys/mount.h (BSD), |
1328 | not from sys/statfs.h (SYSV). |
1329 | |
1330 | d_statvfs (d_statvfs.U): |
1331 | This variable conditionally defines the HAS_STATVFS symbol, which |
1332 | indicates to the C program that the statvfs() routine is available. |
1333 | |
1334 | d_stdio_cnt_lval (d_stdstdio.U): |
1335 | This variable conditionally defines STDIO_CNT_LVALUE if the |
1336 | FILE_cnt macro can be used as an lvalue. |
1337 | |
1338 | d_stdio_ptr_lval (d_stdstdio.U): |
1339 | This variable conditionally defines STDIO_PTR_LVALUE if the |
1340 | FILE_ptr macro can be used as an lvalue. |
1341 | |
1342 | d_stdio_stream_array (stdio_streams.U): |
1343 | This variable tells whether there is an array holding |
1344 | the stdio streams. |
1345 | |
1346 | d_stdiobase (d_stdstdio.U): |
1347 | This variable conditionally defines USE_STDIO_BASE if this system |
1348 | has a FILE structure declaring a usable _base field (or equivalent) |
1349 | in stdio.h. |
1350 | |
1351 | d_stdstdio (d_stdstdio.U): |
1352 | This variable conditionally defines USE_STDIO_PTR if this system |
1353 | has a FILE structure declaring usable _ptr and _cnt fields (or |
1354 | equivalent) in stdio.h. |
1355 | |
781b178c |
1356 | d_strchr (d_strchr.U): |
1357 | This variable conditionally defines HAS_STRCHR if strchr() and |
1358 | strrchr() are available for string searching. |
1359 | |
1360 | d_strcoll (d_strcoll.U): |
1361 | This variable conditionally defines HAS_STRCOLL if strcoll() is |
1362 | available to compare strings using collating information. |
1363 | |
1364 | d_strctcpy (d_strctcpy.U): |
1365 | This variable conditionally defines the USE_STRUCT_COPY symbol, which |
1366 | indicates to the C program that this C compiler knows how to copy |
1367 | structures. |
1368 | |
1369 | d_strerrm (d_strerror.U): |
1370 | This variable holds what Strerrr is defined as to translate an error |
1371 | code condition into an error message string. It could be 'strerror' |
1372 | or a more complex macro emulating strrror with sys_errlist[], or the |
1373 | "unknown" string when both strerror and sys_errlist are missing. |
1374 | |
1375 | d_strerror (d_strerror.U): |
1376 | This variable conditionally defines HAS_STRERROR if strerror() is |
1377 | available to translate error numbers to strings. |
1378 | |
1379 | d_strtod (d_strtod.U): |
1380 | This variable conditionally defines the HAS_STRTOD symbol, which |
1381 | indicates to the C program that the strtod() routine is available |
1382 | to provide better numeric string conversion than atof(). |
1383 | |
1384 | d_strtol (d_strtol.U): |
1385 | This variable conditionally defines the HAS_STRTOL symbol, which |
1386 | indicates to the C program that the strtol() routine is available |
1387 | to provide better numeric string conversion than atoi() and friends. |
1388 | |
1389 | d_strtoul (d_strtoul.U): |
1390 | This variable conditionally defines the HAS_STRTOUL symbol, which |
1391 | indicates to the C program that the strtoul() routine is available |
1392 | to provide conversion of strings to unsigned long. |
1393 | |
11dc3f68 |
1394 | d_strtoull (strtoull.U): |
1395 | This variable conditionally defines the HAS_STRTOULL symbol, which |
1396 | indicates to the C program that the strtoull() routine is available. |
1397 | |
781b178c |
1398 | d_strxfrm (d_strxfrm.U): |
1399 | This variable conditionally defines HAS_STRXFRM if strxfrm() is |
1400 | available to transform strings. |
1401 | |
1402 | d_suidsafe (d_dosuid.U): |
1403 | This variable conditionally defines SETUID_SCRIPTS_ARE_SECURE_NOW |
1404 | if setuid scripts can be secure. This test looks in /dev/fd/. |
1405 | |
1406 | d_symlink (d_symlink.U): |
1407 | This variable conditionally defines the HAS_SYMLINK symbol, which |
1408 | indicates to the C program that the symlink() routine is available |
1409 | to create symbolic links. |
1410 | |
1411 | d_syscall (d_syscall.U): |
1412 | This variable conditionally defines HAS_SYSCALL if syscall() is |
1413 | available call arbitrary system calls. |
1414 | |
1415 | d_sysconf (d_sysconf.U): |
1416 | This variable conditionally defines the HAS_SYSCONF symbol, which |
1417 | indicates to the C program that the sysconf() routine is available |
1418 | to determine system related limits and options. |
1419 | |
1420 | d_sysernlst (d_strerror.U): |
1421 | This variable conditionally defines HAS_SYS_ERRNOLIST if sys_errnolist[] |
1422 | is available to translate error numbers to the symbolic name. |
1423 | |
1424 | d_syserrlst (d_strerror.U): |
1425 | This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is |
1426 | available to translate error numbers to strings. |
1427 | |
1428 | d_system (d_system.U): |
1429 | This variable conditionally defines HAS_SYSTEM if system() is |
1430 | available to issue a shell command. |
1431 | |
1432 | d_tcgetpgrp (d_tcgtpgrp.U): |
1433 | This variable conditionally defines the HAS_TCGETPGRP symbol, which |
1434 | indicates to the C program that the tcgetpgrp() routine is available. |
1435 | to get foreground process group ID. |
1436 | |
1437 | d_tcsetpgrp (d_tcstpgrp.U): |
1438 | This variable conditionally defines the HAS_TCSETPGRP symbol, which |
1439 | indicates to the C program that the tcsetpgrp() routine is available |
1440 | to set foreground process group ID. |
1441 | |
781b178c |
1442 | d_telldir (d_readdir.U): |
1443 | This variable conditionally defines HAS_TELLDIR if telldir() is |
1444 | available. |
1445 | |
1446 | d_telldirproto (d_telldirproto.U): |
1447 | This variable conditionally defines the HAS_TELLDIR_PROTO symbol, |
1448 | which indicates to the C program that the system provides |
1449 | a prototype for the telldir() function. Otherwise, it is |
1450 | up to the program to supply one. |
1451 | |
1452 | d_time (d_time.U): |
1453 | This variable conditionally defines the HAS_TIME symbol, which indicates |
1454 | that the time() routine exists. The time() routine is normaly |
1455 | provided on UNIX systems. |
1456 | |
1457 | d_times (d_times.U): |
1458 | This variable conditionally defines the HAS_TIMES symbol, which indicates |
1459 | that the times() routine exists. The times() routine is normaly |
1460 | provided on UNIX systems. You may have to include <sys/times.h>. |
1461 | |
781b178c |
1462 | d_truncate (d_truncate.U): |
1463 | This variable conditionally defines HAS_TRUNCATE if truncate() is |
1464 | available to truncate files. |
1465 | |
1466 | d_tzname (d_tzname.U): |
1467 | This variable conditionally defines HAS_TZNAME if tzname[] is |
1468 | available to access timezone names. |
1469 | |
1470 | d_umask (d_umask.U): |
1471 | This variable conditionally defines the HAS_UMASK symbol, which |
1472 | indicates to the C program that the umask() routine is available. |
1473 | to set and get the value of the file creation mask. |
1474 | |
1475 | d_uname (d_gethname.U): |
1476 | This variable conditionally defines the HAS_UNAME symbol, which |
1477 | indicates to the C program that the uname() routine may be |
1478 | used to derive the host name. |
1479 | |
1480 | d_union_semun (d_union_semun.U): |
1481 | This variable conditionally defines HAS_UNION_SEMUN if the |
1482 | union semun is defined by including <sys/sem.h>. |
1483 | |
a3635516 |
1484 | d_vendorlib (vendorlib.U): |
1485 | This variable conditionally defines PERL_VENDORLIB. |
1486 | |
781b178c |
1487 | d_vfork (d_vfork.U): |
1488 | This variable conditionally defines the HAS_VFORK symbol, which |
1489 | indicates the vfork() routine is available. |
1490 | |
1491 | d_void_closedir (d_closedir.U): |
1492 | This variable conditionally defines VOID_CLOSEDIR if closedir() |
1493 | does not return a value. |
1494 | |
1495 | d_voidsig (d_voidsig.U): |
1496 | This variable conditionally defines VOIDSIG if this system |
1497 | declares "void (*signal(...))()" in signal.h. The old way was to |
1498 | declare it as "int (*signal(...))()". |
1499 | |
1500 | d_voidtty (i_sysioctl.U): |
1501 | This variable conditionally defines USE_IOCNOTTY to indicate that the |
1502 | ioctl() call with TIOCNOTTY should be used to void tty association. |
1503 | Otherwise (on USG probably), it is enough to close the standard file |
1504 | decriptors and do a setpgrp(). |
1505 | |
1506 | d_volatile (d_volatile.U): |
1507 | This variable conditionally defines the HASVOLATILE symbol, which |
1508 | indicates to the C program that this C compiler knows about the |
1509 | volatile declaration. |
1510 | |
1511 | d_vprintf (d_vprintf.U): |
1512 | This variable conditionally defines the HAS_VPRINTF symbol, which |
1513 | indicates to the C program that the vprintf() routine is available |
1514 | to printf with a pointer to an argument list. |
1515 | |
1516 | d_wait4 (d_wait4.U): |
1517 | This variable conditionally defines the HAS_WAIT4 symbol, which |
1518 | indicates the wait4() routine is available. |
1519 | |
1520 | d_waitpid (d_waitpid.U): |
1521 | This variable conditionally defines HAS_WAITPID if waitpid() is |
1522 | available to wait for child process. |
1523 | |
1524 | d_wcstombs (d_wcstombs.U): |
1525 | This variable conditionally defines the HAS_WCSTOMBS symbol, which |
1526 | indicates to the C program that the wcstombs() routine is available |
1527 | to convert wide character strings to multibyte strings. |
1528 | |
1529 | d_wctomb (d_wctomb.U): |
1530 | This variable conditionally defines the HAS_WCTOMB symbol, which |
1531 | indicates to the C program that the wctomb() routine is available |
1532 | to convert a wide character to a multibyte. |
1533 | |
1534 | d_writev (d_writev.U): |
1535 | This variable conditionally defines the HAS_WRITEV symbol, which |
1536 | indicates to the C program that the writev() routine is available. |
1537 | |
1538 | d_xenix (Guess.U): |
1539 | This variable conditionally defines the symbol XENIX, which alerts |
1540 | the C program that it runs under Xenix. |
1541 | |
1542 | date (Loc.U): |
1543 | This variable is be used internally by Configure to determine the |
1544 | full pathname (if any) of the date program. After Configure runs, |
1545 | the value is reset to a plain "date" and is not useful. |
1546 | |
1547 | db_hashtype (i_db.U): |
1548 | This variable contains the type of the hash structure element |
1549 | in the <db.h> header file. In older versions of DB, it was |
1550 | int, while in newer ones it is u_int32_t. |
1551 | |
1552 | db_prefixtype (i_db.U): |
1553 | This variable contains the type of the prefix structure element |
1554 | in the <db.h> header file. In older versions of DB, it was |
1555 | int, while in newer ones it is size_t. |
1556 | |
1557 | defvoidused (voidflags.U): |
1558 | This variable contains the default value of the VOIDUSED symbol (15). |
1559 | |
1560 | direntrytype (i_dirent.U): |
1561 | This symbol is set to 'struct direct' or 'struct dirent' depending on |
1562 | whether dirent is available or not. You should use this pseudo type to |
1563 | portably declare your directory entries. |
1564 | |
1565 | dlext (dlext.U): |
1566 | This variable contains the extension that is to be used for the |
1567 | dynamically loaded modules that perl generaties. |
1568 | |
1569 | dlsrc (dlsrc.U): |
1570 | This variable contains the name of the dynamic loading file that |
1571 | will be used with the package. |
1572 | |
1573 | doublesize (doublesize.U): |
1574 | This variable contains the value of the DOUBLESIZE symbol, which |
1575 | indicates to the C program how many bytes there are in a double. |
1576 | |
1577 | drand01 (randfunc.U): |
1578 | Indicates the macro to be used to generate normalized |
1579 | random numbers. Uses randfunc, often divided by |
1580 | (double) (((unsigned long) 1 << randbits)) in order to |
1581 | normalize the result. |
1582 | In C programs, the macro 'Drand01' is mapped to drand01. |
1583 | |
1584 | dynamic_ext (Extensions.U): |
1585 | This variable holds a list of XS extension files we want to |
1586 | link dynamically into the package. It is used by Makefile. |
1587 | |
1588 | eagain (nblock_io.U): |
1589 | This variable bears the symbolic errno code set by read() when no |
1590 | data is present on the file and non-blocking I/O was enabled (otherwise, |
1591 | read() blocks naturally). |
1592 | |
1593 | ebcdic (ebcdic.U): |
1594 | This variable conditionally defines EBCDIC if this |
1595 | system uses EBCDIC encoding. Among other things, this |
1596 | means that the character ranges are not contiguous. |
1597 | See trnl.U |
1598 | |
1599 | echo (Loc.U): |
1600 | This variable is be used internally by Configure to determine the |
1601 | full pathname (if any) of the echo program. After Configure runs, |
1602 | the value is reset to a plain "echo" and is not useful. |
1603 | |
1604 | egrep (Loc.U): |
1605 | This variable is be used internally by Configure to determine the |
1606 | full pathname (if any) of the egrep program. After Configure runs, |
1607 | the value is reset to a plain "egrep" and is not useful. |
1608 | |
1609 | emacs (Loc.U): |
1610 | This variable is defined but not used by Configure. |
1611 | The value is a plain '' and is not useful. |
1612 | |
1613 | eunicefix (Init.U): |
1614 | When running under Eunice this variable contains a command which will |
1615 | convert a shell script to the proper form of text file for it to be |
1616 | executable by the shell. On other systems it is a no-op. |
1617 | |
1618 | exe_ext (Unix.U): |
1619 | This is an old synonym for _exe. |
1620 | |
1621 | expr (Loc.U): |
1622 | This variable is be used internally by Configure to determine the |
1623 | full pathname (if any) of the expr program. After Configure runs, |
1624 | the value is reset to a plain "expr" and is not useful. |
1625 | |
1626 | extensions (Extensions.U): |
1627 | This variable holds a list of all extension files (both XS and |
1628 | non-xs linked into the package. It is propagated to Config.pm |
1629 | and is typically used to test whether a particular extesion |
1630 | is available. |
1631 | |
1632 | fflushall (fflushall.U): |
1633 | This symbol, if defined, tells that to flush |
1634 | all pending stdio output one must loop through all |
1635 | the stdio file handles stored in an array and fflush them. |
1636 | Note that if fflushNULL is defined, fflushall will not |
1637 | even be probed for and will be left undefined. |
1638 | |
1639 | fflushNULL (fflushall.U): |
1640 | This symbol, if defined, tells that fflush(NULL) does flush |
1641 | all pending stdio output. |
1642 | |
1643 | find (Loc.U): |
1644 | This variable is defined but not used by Configure. |
1645 | The value is a plain '' and is not useful. |
1646 | |
1647 | firstmakefile (Unix.U): |
1648 | This variable defines the first file searched by make. On unix, |
1649 | it is makefile (then Makefile). On case-insensitive systems, |
1650 | it might be something else. This is only used to deal with |
1651 | convoluted make depend tricks. |
1652 | |
1653 | flex (Loc.U): |
1654 | This variable is defined but not used by Configure. |
1655 | The value is a plain '' and is not useful. |
1656 | |
1657 | fpostype (fpostype.U): |
1658 | This variable defines Fpos_t to be something like fpost_t, long, |
1659 | uint, or whatever type is used to declare file positions in libc. |
1660 | |
1661 | freetype (mallocsrc.U): |
1662 | This variable contains the return type of free(). It is usually |
1663 | void, but occasionally int. |
1664 | |
1665 | full_ar (Loc_ar.U): |
1666 | This variable contains the full pathname to 'ar', whether or |
1667 | not the user has specified 'portability'. This is only used |
1668 | in the Makefile.SH. |
1669 | |
1670 | full_csh (d_csh.U): |
1671 | This variable contains the full pathname to 'csh', whether or |
1672 | not the user has specified 'portability'. This is only used |
1673 | in the compiled C program, and we assume that all systems which |
1674 | can share this executable will have the same full pathname to |
1675 | 'csh.' |
1676 | |
1677 | full_sed (Loc_sed.U): |
1678 | This variable contains the full pathname to 'sed', whether or |
1679 | not the user has specified 'portability'. This is only used |
1680 | in the compiled C program, and we assume that all systems which |
1681 | can share this executable will have the same full pathname to |
1682 | 'sed.' |
1683 | |
1684 | gccversion (cc.U): |
1685 | If GNU cc (gcc) is used, this variable holds '1' or '2' to |
1686 | indicate whether the compiler is version 1 or 2. This is used in |
1687 | setting some of the default cflags. It is set to '' if not gcc. |
1688 | |
1689 | gidtype (gidtype.U): |
1690 | This variable defines Gid_t to be something like gid_t, int, |
1691 | ushort, or whatever type is used to declare the return type |
1692 | of getgid(). Typically, it is the type of group ids in the kernel. |
1693 | |
1694 | glibpth (libpth.U): |
1695 | This variable holds the general path (space-separated) used to |
1696 | find libraries. It may contain directories that do not exist on |
1697 | this platform, libpth is the cleaned-up version. |
1698 | |
1699 | grep (Loc.U): |
1700 | This variable is be used internally by Configure to determine the |
1701 | full pathname (if any) of the grep program. After Configure runs, |
1702 | the value is reset to a plain "grep" and is not useful. |
1703 | |
1704 | groupcat (nis.U): |
1705 | This variable contains a command that produces the text of the |
1706 | /etc/group file. This is normally "cat /etc/group", but can be |
1707 | "ypcat group" when NIS is used. |
1708 | |
1709 | groupstype (groupstype.U): |
1710 | This variable defines Groups_t to be something like gid_t, int, |
1711 | ushort, or whatever type is used for the second argument to |
1712 | getgroups() and setgroups(). Usually, this is the same as |
1713 | gidtype (gid_t), but sometimes it isn't. |
1714 | |
1715 | gzip (Loc.U): |
1716 | This variable is be used internally by Configure to determine the |
1717 | full pathname (if any) of the gzip program. After Configure runs, |
1718 | the value is reset to a plain "gzip" and is not useful. |
1719 | |
1720 | h_fcntl (h_fcntl.U): |
1721 | This is variable gets set in various places to tell i_fcntl that |
1722 | <fcntl.h> should be included. |
1723 | |
1724 | h_sysfile (h_sysfile.U): |
1725 | This is variable gets set in various places to tell i_sys_file that |
1726 | <sys/file.h> should be included. |
1727 | |
1728 | hint (Oldconfig.U): |
1729 | Gives the type of hints used for previous answers. May be one of |
1730 | "default", "recommended" or "previous". |
1731 | |
1732 | hostcat (nis.U): |
1733 | This variable contains a command that produces the text of the |
1734 | /etc/hosts file. This is normally "cat /etc/hosts", but can be |
1735 | "ypcat hosts" when NIS is used. |
1736 | |
1737 | huge (models.U): |
1738 | This variable contains a flag which will tell the C compiler and loader |
1739 | to produce a program running with a huge memory model. If the |
1740 | huge model is not supported, contains the flag to produce large |
1741 | model programs. It is up to the Makefile to use this. |
1742 | |
1743 | i_arpainet (i_arpainet.U): |
1744 | This variable conditionally defines the I_ARPA_INET symbol, |
1745 | and indicates whether a C program should include <arpa/inet.h>. |
1746 | |
1747 | i_bsdioctl (i_sysioctl.U): |
1748 | This variable conditionally defines the I_SYS_BSDIOCTL symbol, which |
1749 | indicates to the C program that <sys/bsdioctl.h> exists and should |
1750 | be included. |
1751 | |
1752 | i_db (i_db.U): |
1753 | This variable conditionally defines the I_DB symbol, and indicates |
1754 | whether a C program may include Berkeley's DB include file <db.h>. |
1755 | |
1756 | i_dbm (i_dbm.U): |
1757 | This variable conditionally defines the I_DBM symbol, which |
1758 | indicates to the C program that <dbm.h> exists and should |
1759 | be included. |
1760 | |
1761 | i_dirent (i_dirent.U): |
1762 | This variable conditionally defines I_DIRENT, which indicates |
1763 | to the C program that it should include <dirent.h>. |
1764 | |
1765 | i_dld (i_dld.U): |
1766 | This variable conditionally defines the I_DLD symbol, which |
1767 | indicates to the C program that <dld.h> (GNU dynamic loading) |
1768 | exists and should be included. |
1769 | |
1770 | i_dlfcn (i_dlfcn.U): |
1771 | This variable conditionally defines the I_DLFCN symbol, which |
1772 | indicates to the C program that <dlfcn.h> exists and should |
1773 | be included. |
1774 | |
1775 | i_fcntl (i_fcntl.U): |
1776 | This variable controls the value of I_FCNTL (which tells |
1777 | the C program to include <fcntl.h>). |
1778 | |
1779 | i_float (i_float.U): |
1780 | This variable conditionally defines the I_FLOAT symbol, and indicates |
1781 | whether a C program may include <float.h> to get symbols like DBL_MAX |
1782 | or DBL_MIN, i.e. machine dependent floating point values. |
1783 | |
1784 | i_gdbm (i_gdbm.U): |
1785 | This variable conditionally defines the I_GDBM symbol, which |
1786 | indicates to the C program that <gdbm.h> exists and should |
1787 | be included. |
1788 | |
1789 | i_grp (i_grp.U): |
1790 | This variable conditionally defines the I_GRP symbol, and indicates |
1791 | whether a C program should include <grp.h>. |
1792 | |
1793 | i_inttypes (i_inttypes.U): |
1794 | This variable conditionally defines the I_INTTYPES symbol, |
1795 | and indicates whether a C program should include <inttypes.h>. |
1796 | |
1797 | i_limits (i_limits.U): |
1798 | This variable conditionally defines the I_LIMITS symbol, and indicates |
1799 | whether a C program may include <limits.h> to get symbols like WORD_BIT |
1800 | and friends. |
1801 | |
1802 | i_locale (i_locale.U): |
1803 | This variable conditionally defines the I_LOCALE symbol, |
1804 | and indicates whether a C program should include <locale.h>. |
1805 | |
1806 | i_machcthr (i_machcthr.U): |
1807 | This variable conditionally defines the I_MACH_CTHREADS symbol, |
1808 | and indicates whether a C program should include <mach/cthreads.h>. |
1809 | |
1810 | i_malloc (i_malloc.U): |
1811 | This variable conditionally defines the I_MALLOC symbol, and indicates |
1812 | whether a C program should include <malloc.h>. |
1813 | |
1814 | i_math (i_math.U): |
1815 | This variable conditionally defines the I_MATH symbol, and indicates |
1816 | whether a C program may include <math.h>. |
1817 | |
1818 | i_memory (i_memory.U): |
1819 | This variable conditionally defines the I_MEMORY symbol, and indicates |
1820 | whether a C program should include <memory.h>. |
1821 | |
1822 | i_mntent (i_mntent.U): |
1823 | This variable conditionally defines the I_MNTENT symbol, and indicates |
1824 | whether a C program should include <mntent.h>. |
1825 | |
1826 | i_ndbm (i_ndbm.U): |
1827 | This variable conditionally defines the I_NDBM symbol, which |
1828 | indicates to the C program that <ndbm.h> exists and should |
1829 | be included. |
1830 | |
1831 | i_netdb (i_netdb.U): |
1832 | This variable conditionally defines the I_NETDB symbol, and indicates |
1833 | whether a C program should include <netdb.h>. |
1834 | |
1835 | i_neterrno (i_neterrno.U): |
1836 | This variable conditionally defines the I_NET_ERRNO symbol, which |
1837 | indicates to the C program that <net/errno.h> exists and should |
1838 | be included. |
1839 | |
1840 | i_netinettcp (i_netinettcp.U): |
1841 | This variable conditionally defines the I_NETINET_TCP symbol, |
1842 | and indicates whether a C program should include <netinet/tcp.h>. |
1843 | |
1844 | i_niin (i_niin.U): |
1845 | This variable conditionally defines I_NETINET_IN, which indicates |
1846 | to the C program that it should include <netinet/in.h>. Otherwise, |
1847 | you may try <sys/in.h>. |
1848 | |
1849 | i_poll (i_poll.U): |
1850 | This variable conditionally defines the I_POLL symbol, and indicates |
1851 | whether a C program should include <poll.h>. |
1852 | |
1853 | i_pthread (i_pthread.U): |
1854 | This variable conditionally defines the I_PTHREADEAD symbol, |
1855 | and indicates whether a C program should include <pthread.h>. |
1856 | |
1857 | i_pwd (i_pwd.U): |
1858 | This variable conditionally defines I_PWD, which indicates |
1859 | to the C program that it should include <pwd.h>. |
1860 | |
1861 | i_rpcsvcdbm (i_dbm.U): |
1862 | This variable conditionally defines the I_RPCSVC_DBM symbol, which |
1863 | indicates to the C program that <rpcsvc/dbm.h> exists and should |
1864 | be included. Some System V systems might need this instead of <dbm.h>. |
1865 | |
1866 | i_sfio (i_sfio.U): |
1867 | This variable conditionally defines the I_SFIO symbol, |
1868 | and indicates whether a C program should include <sfio.h>. |
1869 | |
1870 | i_sgtty (i_termio.U): |
1871 | This variable conditionally defines the I_SGTTY symbol, which |
1872 | indicates to the C program that it should include <sgtty.h> rather |
1873 | than <termio.h>. |
1874 | |
1875 | i_shadow (i_shadow.U): |
1876 | This variable conditionally defines the I_SHADOW symbol, and indicates |
1877 | whether a C program should include <shadow.h>. |
1878 | |
1879 | i_socks (i_socks.U): |
1880 | This variable conditionally defines the I_SOCKS symbol, and indicates |
1881 | whether a C program should include <socks.h>. |
1882 | |
1883 | i_stdarg (i_varhdr.U): |
1884 | This variable conditionally defines the I_STDARG symbol, which |
1885 | indicates to the C program that <stdarg.h> exists and should |
1886 | be included. |
1887 | |
1888 | i_stddef (i_stddef.U): |
1889 | This variable conditionally defines the I_STDDEF symbol, which |
1890 | indicates to the C program that <stddef.h> exists and should |
1891 | be included. |
1892 | |
1893 | i_stdlib (i_stdlib.U): |
1894 | This variable conditionally defines the I_STDLIB symbol, which |
1895 | indicates to the C program that <stdlib.h> exists and should |
1896 | be included. |
1897 | |
1898 | i_string (i_string.U): |
1899 | This variable conditionally defines the I_STRING symbol, which |
1900 | indicates that <string.h> should be included rather than <strings.h>. |
1901 | |
1902 | i_sysaccess (i_sysaccess.U): |
1903 | This variable conditionally defines the I_SYS_ACCESS symbol, |
1904 | and indicates whether a C program should include <sys/access.h>. |
1905 | |
1906 | i_sysdir (i_sysdir.U): |
1907 | This variable conditionally defines the I_SYS_DIR symbol, and indicates |
1908 | whether a C program should include <sys/dir.h>. |
1909 | |
1910 | i_sysfile (i_sysfile.U): |
1911 | This variable conditionally defines the I_SYS_FILE symbol, and indicates |
1912 | whether a C program should include <sys/file.h> to get R_OK and friends. |
1913 | |
1914 | i_sysfilio (i_sysioctl.U): |
1915 | This variable conditionally defines the I_SYS_FILIO symbol, which |
1916 | indicates to the C program that <sys/filio.h> exists and should |
1917 | be included in preference to <sys/ioctl.h>. |
1918 | |
1919 | i_sysin (i_niin.U): |
1920 | This variable conditionally defines I_SYS_IN, which indicates |
1921 | to the C program that it should include <sys/in.h> instead of |
1922 | <netinet/in.h>. |
1923 | |
1924 | i_sysioctl (i_sysioctl.U): |
1925 | This variable conditionally defines the I_SYS_IOCTL symbol, which |
1926 | indicates to the C program that <sys/ioctl.h> exists and should |
1927 | be included. |
1928 | |
1929 | i_sysmman (i_sysmman.U): |
1930 | This variable conditionally defines the I_SYS_MMAN symbol, and |
1931 | indicates whether a C program should include <sys/mman.h>. |
1932 | |
1933 | i_sysmount (i_sysmount.U): |
1934 | This variable conditionally defines the I_SYSMOUNT symbol, |
1935 | and indicates whether a C program should include <sys/mount.h>. |
1936 | |
1937 | i_sysndir (i_sysndir.U): |
1938 | This variable conditionally defines the I_SYS_NDIR symbol, and indicates |
1939 | whether a C program should include <sys/ndir.h>. |
1940 | |
1941 | i_sysparam (i_sysparam.U): |
1942 | This variable conditionally defines the I_SYS_PARAM symbol, and indicates |
1943 | whether a C program should include <sys/param.h>. |
1944 | |
1945 | i_sysresrc (i_sysresrc.U): |
1946 | This variable conditionally defines the I_SYS_RESOURCE symbol, |
1947 | and indicates whether a C program should include <sys/resource.h>. |
1948 | |
1949 | i_syssecrt (i_syssecrt.U): |
1950 | This variable conditionally defines the I_SYS_SECURITY symbol, |
1951 | and indicates whether a C program should include <sys/security.h>. |
1952 | |
1953 | i_sysselct (i_sysselct.U): |
1954 | This variable conditionally defines I_SYS_SELECT, which indicates |
1955 | to the C program that it should include <sys/select.h> in order to |
1956 | get the definition of struct timeval. |
1957 | |
1958 | i_syssockio (i_sysioctl.U): |
1959 | This variable conditionally defines I_SYS_SOCKIO to indicate to the |
1960 | C program that socket ioctl codes may be found in <sys/sockio.h> |
1961 | instead of <sys/ioctl.h>. |
1962 | |
1963 | i_sysstat (i_sysstat.U): |
1964 | This variable conditionally defines the I_SYS_STAT symbol, |
1965 | and indicates whether a C program should include <sys/stat.h>. |
1966 | |
1967 | i_sysstatvfs (i_sysstatvfs.U): |
1968 | This variable conditionally defines the I_SYSSTATVFS symbol, |
1969 | and indicates whether a C program should include <sys/statvfs.h>. |
1970 | |
1971 | i_systime (i_time.U): |
1972 | This variable conditionally defines I_SYS_TIME, which indicates |
1973 | to the C program that it should include <sys/time.h>. |
1974 | |
1975 | i_systimek (i_time.U): |
1976 | This variable conditionally defines I_SYS_TIME_KERNEL, which |
1977 | indicates to the C program that it should include <sys/time.h> |
1978 | with KERNEL defined. |
1979 | |
1980 | i_systimes (i_systimes.U): |
1981 | This variable conditionally defines the I_SYS_TIMES symbol, and indicates |
1982 | whether a C program should include <sys/times.h>. |
1983 | |
1984 | i_systypes (i_systypes.U): |
1985 | This variable conditionally defines the I_SYS_TYPES symbol, |
1986 | and indicates whether a C program should include <sys/types.h>. |
1987 | |
1988 | i_sysuio (i_sysuio.U): |
1989 | This variable conditionally defines the I_SYSUIO symbol, and indicates |
1990 | whether a C program should include <sys/uio.h>. |
1991 | |
1992 | i_sysun (i_sysun.U): |
1993 | This variable conditionally defines I_SYS_UN, which indicates |
1994 | to the C program that it should include <sys/un.h> to get UNIX |
1995 | domain socket definitions. |
1996 | |
1997 | i_syswait (i_syswait.U): |
1998 | This variable conditionally defines I_SYS_WAIT, which indicates |
1999 | to the C program that it should include <sys/wait.h>. |
2000 | |
2001 | i_termio (i_termio.U): |
2002 | This variable conditionally defines the I_TERMIO symbol, which |
2003 | indicates to the C program that it should include <termio.h> rather |
2004 | than <sgtty.h>. |
2005 | |
2006 | i_termios (i_termio.U): |
2007 | This variable conditionally defines the I_TERMIOS symbol, which |
2008 | indicates to the C program that the POSIX <termios.h> file is |
2009 | to be included. |
2010 | |
2011 | i_time (i_time.U): |
2012 | This variable conditionally defines I_TIME, which indicates |
2013 | to the C program that it should include <time.h>. |
2014 | |
2015 | i_unistd (i_unistd.U): |
2016 | This variable conditionally defines the I_UNISTD symbol, and indicates |
2017 | whether a C program should include <unistd.h>. |
2018 | |
2019 | i_utime (i_utime.U): |
2020 | This variable conditionally defines the I_UTIME symbol, and indicates |
2021 | whether a C program should include <utime.h>. |
2022 | |
2023 | i_values (i_values.U): |
2024 | This variable conditionally defines the I_VALUES symbol, and indicates |
2025 | whether a C program may include <values.h> to get symbols like MAXLONG |
2026 | and friends. |
2027 | |
2028 | i_varargs (i_varhdr.U): |
2029 | This variable conditionally defines I_VARARGS, which indicates |
2030 | to the C program that it should include <varargs.h>. |
2031 | |
2032 | i_varhdr (i_varhdr.U): |
2033 | Contains the name of the header to be included to get va_dcl definition. |
2034 | Typically one of varargs.h or stdarg.h. |
2035 | |
2036 | i_vfork (i_vfork.U): |
2037 | This variable conditionally defines the I_VFORK symbol, and indicates |
2038 | whether a C program should include vfork.h. |
2039 | |
2040 | ignore_versioned_solibs (libs.U): |
2041 | This variable should be non-empty if non-versioned shared |
2042 | libraries (libfoo.so.x.y) are to be ignored (because they |
2043 | cannot be linked against). |
2044 | |
2045 | incpath (usrinc.U): |
2046 | This variable must preceed the normal include path to get hte |
2047 | right one, as in "$incpath/usr/include" or "$incpath/usr/lib". |
2048 | Value can be "" or "/bsd43" on mips. |
2049 | |
2050 | inews (Loc.U): |
2051 | This variable is defined but not used by Configure. |
2052 | The value is a plain '' and is not useful. |
2053 | |
2054 | installarchlib (archlib.U): |
2055 | This variable is really the same as archlibexp but may differ on |
2056 | those systems using AFS. For extra portability, only this variable |
2057 | should be used in makefiles. |
2058 | |
2059 | installbin (bin.U): |
2060 | This variable is the same as binexp unless AFS is running in which case |
2061 | the user is explicitely prompted for it. This variable should always |
2062 | be used in your makefiles for maximum portability. |
2063 | |
2064 | installman1dir (man1dir.U): |
2065 | This variable is really the same as man1direxp, unless you are using |
2066 | AFS in which case it points to the read/write location whereas |
2067 | man1direxp only points to the read-only access location. For extra |
2068 | portability, you should only use this variable within your makefiles. |
2069 | |
2070 | installman3dir (man3dir.U): |
2071 | This variable is really the same as man3direxp, unless you are using |
2072 | AFS in which case it points to the read/write location whereas |
2073 | man3direxp only points to the read-only access location. For extra |
2074 | portability, you should only use this variable within your makefiles. |
2075 | |
2076 | installprefix (installprefix.U): |
2077 | This variable holds the name of the directory below which |
2078 | "make install" will install the package. For most users, this |
2079 | is the same as prefix. However, it is useful for |
2080 | installing the software into a different (usually temporary) |
2081 | location after which it can be bundled up and moved somehow |
2082 | to the final location specified by prefix. |
2083 | |
2084 | installprefixexp (installprefix.U): |
2085 | This variable holds the full absolute path of installprefix |
2086 | with all ~-expansion done. |
2087 | |
2088 | installprivlib (privlib.U): |
2089 | This variable is really the same as privlibexp but may differ on |
2090 | those systems using AFS. For extra portability, only this variable |
2091 | should be used in makefiles. |
2092 | |
2093 | installscript (scriptdir.U): |
2094 | This variable is usually the same as scriptdirexp, unless you are on |
2095 | a system running AFS, in which case they may differ slightly. You |
2096 | should always use this variable within your makefiles for portability. |
2097 | |
2098 | installsitearch (sitearch.U): |
2099 | This variable is really the same as sitearchexp but may differ on |
2100 | those systems using AFS. For extra portability, only this variable |
2101 | should be used in makefiles. |
2102 | |
2103 | installsitelib (sitelib.U): |
2104 | This variable is really the same as sitelibexp but may differ on |
2105 | those systems using AFS. For extra portability, only this variable |
2106 | should be used in makefiles. |
2107 | |
2108 | installstyle (installstyle.U): |
2109 | This variable describes the "style" of the perl installation. |
2110 | This is intended to be useful for tools that need to |
2111 | manipulate entire perl distributions. Perl itself doesn't use |
2112 | this to find its libraries -- the library directories are |
2113 | stored directly in Config.pm. Currently, there are only two |
2114 | styles: "lib" and "lib/perl5". The default library locations |
2115 | (e.g. privlib, sitelib) are either $prefix/lib or |
2116 | $prefix/lib/perl5. The former is useful if $prefix is a |
2117 | directory dedicated to perl (e.g. /opt/perl), while the latter |
2118 | is useful if $prefix is shared by many packages, e.g. if |
2119 | $prefix=/usr/local. |
2120 | This may later be extended to include other information, so |
2121 | be careful with pattern-matching on the results. |
2122 | For compatibility with perl5.005 and earlier, the default |
2123 | setting is based on whether or not $prefix contains the string |
2124 | "perl". |
2125 | |
2126 | installusrbinperl (instubperl.U): |
2127 | This variable tells whether Perl should be installed also as |
2128 | /usr/bin/perl in addition to |
2129 | $installbin/perl |
2130 | |
a3635516 |
2131 | installvendorlib (vendorlib.U): |
2132 | This variable is really the same as vendorlibexp but may differ on |
2133 | those systems using AFS. For extra portability, only this variable |
2134 | should be used in makefiles. |
2135 | |
781b178c |
2136 | intsize (intsize.U): |
2137 | This variable contains the value of the INTSIZE symbol, which |
2138 | indicates to the C program how many bytes there are in an int. |
2139 | |
2140 | known_extensions (Extensions.U): |
2141 | This variable holds a list of all XS extensions included in |
2142 | the package. |
2143 | |
2144 | ksh (Loc.U): |
2145 | This variable is defined but not used by Configure. |
2146 | The value is a plain '' and is not useful. |
2147 | |
2148 | large (models.U): |
2149 | This variable contains a flag which will tell the C compiler and loader |
2150 | to produce a program running with a large memory model. It is up to |
2151 | the Makefile to use this. |
2152 | |
2153 | ld (dlsrc.U): |
2154 | This variable indicates the program to be used to link |
2155 | libraries for dynamic loading. On some systems, it is 'ld'. |
2156 | On ELF systems, it should be $cc. Mostly, we'll try to respect |
2157 | the hint file setting. |
2158 | |
2159 | lddlflags (dlsrc.U): |
2160 | This variable contains any special flags that might need to be |
2161 | passed to $ld to create a shared library suitable for dynamic |
2162 | loading. It is up to the makefile to use it. For hpux, it |
2163 | should be '-b'. For sunos 4.1, it is empty. |
2164 | |
2165 | ldflags (ccflags.U): |
2166 | This variable contains any additional C loader flags desired by |
2167 | the user. It is up to the Makefile to use this. |
2168 | |
2169 | ldlibpthname (libperl.U): |
2170 | This variable holds the name of the shared library |
2171 | search path, often LD_LIBRARY_PATH. To get an empty |
2172 | string, the hints file must set this to 'none'. |
2173 | |
2174 | less (Loc.U): |
2175 | This variable is be used internally by Configure to determine the |
2176 | full pathname (if any) of the less program. After Configure runs, |
2177 | the value is reset to a plain "less" and is not useful. |
2178 | |
2179 | lib_ext (Unix.U): |
2180 | This is an old synonym for _a. |
2181 | |
2182 | libc (libc.U): |
2183 | This variable contains the location of the C library. |
2184 | |
2185 | libperl (libperl.U): |
2186 | The perl executable is obtained by linking perlmain.c with |
2187 | libperl, any static extensions (usually just DynaLoader), |
2188 | and any other libraries needed on this system. libperl |
2189 | is usually libperl.a, but can also be libperl.so.xxx if |
2190 | the user wishes to build a perl executable with a shared |
2191 | library. |
2192 | |
2193 | libpth (libpth.U): |
2194 | This variable holds the general path (space-separated) used to find |
2195 | libraries. It is intended to be used by other units. |
2196 | |
2197 | libs (libs.U): |
2198 | This variable holds the additional libraries we want to use. |
2199 | It is up to the Makefile to deal with it. |
2200 | |
2201 | libswanted (Myinit.U): |
2202 | This variable holds a list of all the libraries we want to |
2203 | search. The order is chosen to pick up the c library |
2204 | ahead of ucb or bsd libraries for SVR4. |
2205 | |
2206 | line (Loc.U): |
2207 | This variable is defined but not used by Configure. |
2208 | The value is a plain '' and is not useful. |
2209 | |
2210 | lint (Loc.U): |
2211 | This variable is defined but not used by Configure. |
2212 | The value is a plain '' and is not useful. |
2213 | |
2214 | lkflags (ccflags.U): |
2215 | This variable contains any additional C partial linker flags desired by |
2216 | the user. It is up to the Makefile to use this. |
2217 | |
2218 | ln (Loc.U): |
2219 | This variable is be used internally by Configure to determine the |
2220 | full pathname (if any) of the ln program. After Configure runs, |
2221 | the value is reset to a plain "ln" and is not useful. |
2222 | |
2223 | lns (lns.U): |
2224 | This variable holds the name of the command to make |
2225 | symbolic links (if they are supported). It can be used |
2226 | in the Makefile. It is either 'ln -s' or 'ln' |
2227 | |
2228 | locincpth (ccflags.U): |
2229 | This variable contains a list of additional directories to be |
2230 | searched by the compiler. The appropriate '-I' directives will |
2231 | be added to ccflags. This is intended to simplify setting |
2232 | local directories from the Configure command line. |
2233 | It's not much, but it parallels the loclibpth stuff in libpth.U. |
2234 | |
2235 | loclibpth (libpth.U): |
2236 | This variable holds the paths (space-separated) used to find local |
2237 | libraries. It is prepended to libpth, and is intended to be easily |
2238 | set from the command line. |
2239 | |
2240 | longdblsize (d_longdbl.U): |
2241 | This variable contains the value of the LONG_DOUBLESIZE symbol, which |
2242 | indicates to the C program how many bytes there are in a long double, |
2243 | if this system supports long doubles. |
2244 | |
2245 | longlongsize (d_longlong.U): |
2246 | This variable contains the value of the LONGLONGSIZE symbol, which |
2247 | indicates to the C program how many bytes there are in a long long, |
2248 | if this system supports long long. |
2249 | |
2250 | longsize (intsize.U): |
2251 | This variable contains the value of the LONGSIZE symbol, which |
2252 | indicates to the C program how many bytes there are in a long. |
2253 | |
2254 | lp (Loc.U): |
2255 | This variable is defined but not used by Configure. |
2256 | The value is a plain '' and is not useful. |
2257 | |
2258 | lpr (Loc.U): |
2259 | This variable is defined but not used by Configure. |
2260 | The value is a plain '' and is not useful. |
2261 | |
2262 | ls (Loc.U): |
2263 | This variable is be used internally by Configure to determine the |
2264 | full pathname (if any) of the ls program. After Configure runs, |
2265 | the value is reset to a plain "ls" and is not useful. |
2266 | |
2267 | lseeksize (lseektype.U): |
2268 | This variable defines lseektype to be something like off_t, long, |
2269 | or whatever type is used to declare lseek offset's type in the |
2270 | kernel (which also appears to be lseek's return type). |
2271 | |
2272 | lseektype (lseektype.U): |
2273 | This variable defines lseektype to be something like off_t, long, |
2274 | or whatever type is used to declare lseek offset's type in the |
2275 | kernel (which also appears to be lseek's return type). |
2276 | |
2277 | mail (Loc.U): |
2278 | This variable is defined but not used by Configure. |
2279 | The value is a plain '' and is not useful. |
2280 | |
2281 | mailx (Loc.U): |
2282 | This variable is defined but not used by Configure. |
2283 | The value is a plain '' and is not useful. |
2284 | |
2285 | make (Loc.U): |
2286 | This variable is be used internally by Configure to determine the |
2287 | full pathname (if any) of the make program. After Configure runs, |
2288 | the value is reset to a plain "make" and is not useful. |
2289 | |
2290 | make_set_make (make.U): |
2291 | Some versions of 'make' set the variable MAKE. Others do not. |
2292 | This variable contains the string to be included in Makefile.SH |
2293 | so that MAKE is set if needed, and not if not needed. |
2294 | Possible values are: |
2295 | make_set_make='#' # If your make program handles this for you, |
2296 | make_set_make="MAKE=$make" # if it doesn't. |
2297 | I used a comment character so that we can distinguish a |
2298 | 'set' value (from a previous config.sh or Configure '-D' option) |
2299 | from an uncomputed value. |
2300 | |
2301 | mallocobj (mallocsrc.U): |
2302 | This variable contains the name of the malloc.o that this package |
2303 | generates, if that malloc.o is preferred over the system malloc. |
2304 | Otherwise the value is null. This variable is intended for generating |
2305 | Makefiles. See mallocsrc. |
2306 | |
2307 | mallocsrc (mallocsrc.U): |
2308 | This variable contains the name of the malloc.c that comes with |
2309 | the package, if that malloc.c is preferred over the system malloc. |
2310 | Otherwise the value is null. This variable is intended for generating |
2311 | Makefiles. |
2312 | |
2313 | malloctype (mallocsrc.U): |
2314 | This variable contains the kind of ptr returned by malloc and realloc. |
2315 | |
2316 | man1dir (man1dir.U): |
2317 | This variable contains the name of the directory in which manual |
2318 | source pages are to be put. It is the responsibility of the |
2319 | Makefile.SH to get the value of this into the proper command. |
2320 | You must be prepared to do the ~name expansion yourself. |
2321 | |
2322 | man1direxp (man1dir.U): |
2323 | This variable is the same as the man1dir variable, but is filename |
2324 | expanded at configuration time, for convenient use in makefiles. |
2325 | |
2326 | man1ext (man1dir.U): |
2327 | This variable contains the extension that the manual page should |
2328 | have: one of 'n', 'l', or '1'. The Makefile must supply the '.'. |
2329 | See man1dir. |
2330 | |
2331 | man3dir (man3dir.U): |
2332 | This variable contains the name of the directory in which manual |
2333 | source pages are to be put. It is the responsibility of the |
2334 | Makefile.SH to get the value of this into the proper command. |
2335 | You must be prepared to do the ~name expansion yourself. |
2336 | |
2337 | man3direxp (man3dir.U): |
2338 | This variable is the same as the man3dir variable, but is filename |
2339 | expanded at configuration time, for convenient use in makefiles. |
2340 | |
2341 | man3ext (man3dir.U): |
2342 | This variable contains the extension that the manual page should |
2343 | have: one of 'n', 'l', or '3'. The Makefile must supply the '.'. |
2344 | See man3dir. |
2345 | |
2346 | Mcc (Loc.U): |
2347 | This variable is be used internally by Configure to determine the |
2348 | full pathname (if any) of the Mcc program. After Configure runs, |
2349 | the value is reset to a plain "Mcc" and is not useful. |
2350 | |
2351 | medium (models.U): |
2352 | This variable contains a flag which will tell the C compiler and loader |
2353 | to produce a program running with a medium memory model. If the |
2354 | medium model is not supported, contains the flag to produce large |
2355 | model programs. It is up to the Makefile to use this. |
2356 | |
2357 | mips_type (usrinc.U): |
2358 | This variable holds the environment type for the mips system. |
2359 | Possible values are "BSD 4.3" and "System V". |
2360 | |
2361 | mkdir (Loc.U): |
2362 | This variable is be used internally by Configure to determine the |
2363 | full pathname (if any) of the mkdir program. After Configure runs, |
2364 | the value is reset to a plain "mkdir" and is not useful. |
2365 | |
2366 | mmaptype (d_mmap.U): |
2367 | This symbol contains the type of pointer returned by mmap() |
2368 | (and simultaneously the type of the first argument). |
2369 | It can be 'void *' or 'caddr_t'. |
2370 | |
2371 | models (models.U): |
2372 | This variable contains the list of memory models supported by this |
2373 | system. Possible component values are none, split, unsplit, small, |
2374 | medium, large, and huge. The component values are space separated. |
2375 | |
2376 | modetype (modetype.U): |
2377 | This variable defines modetype to be something like mode_t, |
2378 | int, unsigned short, or whatever type is used to declare file |
2379 | modes for system calls. |
2380 | |
2381 | more (Loc.U): |
2382 | This variable is be used internally by Configure to determine the |
2383 | full pathname (if any) of the more program. After Configure runs, |
2384 | the value is reset to a plain "more" and is not useful. |
2385 | |
2386 | multiarch (multiarch.U): |
2387 | This variable conditionally defines the MULTIARCH symbol |
2388 | which signifies the presence of multiplatform files. |
2389 | This is normally set by hints files. |
2390 | |
2391 | mv (Loc.U): |
2392 | This variable is defined but not used by Configure. |
2393 | The value is a plain '' and is not useful. |
2394 | |
2395 | myarchname (archname.U): |
2396 | This variable holds the architecture name computed by Configure in |
2397 | a previous run. It is not intended to be perused by any user and |
2398 | should never be set in a hint file. |
2399 | |
2400 | mydomain (myhostname.U): |
2401 | This variable contains the eventual value of the MYDOMAIN symbol, |
2402 | which is the domain of the host the program is going to run on. |
2403 | The domain must be appended to myhostname to form a complete host name. |
2404 | The dot comes with mydomain, and need not be supplied by the program. |
2405 | |
2406 | myhostname (myhostname.U): |
2407 | This variable contains the eventual value of the MYHOSTNAME symbol, |
2408 | which is the name of the host the program is going to run on. |
2409 | The domain is not kept with hostname, but must be gotten from mydomain. |
2410 | The dot comes with mydomain, and need not be supplied by the program. |
2411 | |
2412 | myuname (Oldconfig.U): |
2413 | The output of 'uname -a' if available, otherwise the hostname. On Xenix, |
2414 | pseudo variables assignments in the output are stripped, thank you. The |
2415 | whole thing is then lower-cased. |
2416 | |
2417 | n (n.U): |
2418 | This variable contains the '-n' flag if that is what causes the echo |
2419 | command to suppress newline. Otherwise it is null. Correct usage is |
2420 | $echo $n "prompt for a question: $c". |
2421 | |
2422 | netdb_hlen_type (netdbtype.U): |
2423 | This variable holds the type used for the 2nd argument to |
2424 | gethostbyaddr(). Usually, this is int or size_t or unsigned. |
2425 | This is only useful if you have gethostbyaddr(), naturally. |
2426 | |
2427 | netdb_host_type (netdbtype.U): |
2428 | This variable holds the type used for the 1st argument to |
2429 | gethostbyaddr(). Usually, this is char * or void *, possibly |
2430 | with or without a const prefix. |
2431 | This is only useful if you have gethostbyaddr(), naturally. |
2432 | |
2433 | netdb_name_type (netdbtype.U): |
2434 | This variable holds the type used for the argument to |
2435 | gethostbyname(). Usually, this is char * or const char *. |
2436 | This is only useful if you have gethostbyname(), naturally. |
2437 | |
2438 | netdb_net_type (netdbtype.U): |
2439 | This variable holds the type used for the 1st argument to |
2440 | getnetbyaddr(). Usually, this is int or long. |
2441 | This is only useful if you have getnetbyaddr(), naturally. |
2442 | |
2443 | nm (Loc.U): |
2444 | This variable is be used internally by Configure to determine the |
2445 | full pathname (if any) of the nm program. After Configure runs, |
2446 | the value is reset to a plain "nm" and is not useful. |
2447 | |
2448 | nm_opt (usenm.U): |
2449 | This variable holds the options that may be necessary for nm. |
2450 | |
2451 | nm_so_opt (usenm.U): |
2452 | This variable holds the options that may be necessary for nm |
2453 | to work on a shared library but that can not be used on an |
2454 | archive library. Currently, this is only used by Linux, where |
2455 | nm --dynamic is *required* to get symbols from an ELF library which |
2456 | has been stripped, but nm --dynamic is *fatal* on an archive library. |
2457 | Maybe Linux should just always set usenm=false. |
2458 | |
2459 | nonxs_ext (Extensions.U): |
2460 | This variable holds a list of all non-xs extensions included |
2461 | in the package. All of them will be built. |
2462 | |
2463 | nroff (Loc.U): |
2464 | This variable is be used internally by Configure to determine the |
2465 | full pathname (if any) of the nroff program. After Configure runs, |
2466 | the value is reset to a plain "nroff" and is not useful. |
2467 | |
2468 | o_nonblock (nblock_io.U): |
2469 | This variable bears the symbol value to be used during open() or fcntl() |
2470 | to turn on non-blocking I/O for a file descriptor. If you wish to switch |
2471 | between blocking and non-blocking, you may try ioctl(FIOSNBIO) instead, |
2472 | but that is only supported by some devices. |
2473 | |
2474 | obj_ext (Unix.U): |
2475 | This is an old synonym for _o. |
2476 | |
2477 | old_pthread_create_joinable (d_pthrattrj.U): |
2478 | This variable defines the constant to use for creating joinable |
2479 | (aka undetached) pthreads. Unused if pthread.h defines |
2480 | PTHREAD_CREATE_JOINABLE. If used, possible values are |
2481 | PTHREAD_CREATE_UNDETACHED and __UNDETACHED. |
2482 | |
2483 | optimize (ccflags.U): |
2484 | This variable contains any optimizer/debugger flag that should be used. |
2485 | It is up to the Makefile to use it. |
2486 | |
2487 | orderlib (orderlib.U): |
2488 | This variable is "true" if the components of libraries must be ordered |
2489 | (with `lorder $* | tsort`) before placing them in an archive. Set to |
2490 | "false" if ranlib or ar can generate random libraries. |
2491 | |
2492 | osname (Oldconfig.U): |
2493 | This variable contains the operating system name (e.g. sunos, |
2494 | solaris, hpux, etc.). It can be useful later on for setting |
2495 | defaults. Any spaces are replaced with underscores. It is set |
2496 | to a null string if we can't figure it out. |
2497 | |
2498 | osvers (Oldconfig.U): |
2499 | This variable contains the operating system version (e.g. |
2500 | 4.1.3, 5.2, etc.). It is primarily used for helping select |
2501 | an appropriate hints file, but might be useful elsewhere for |
2502 | setting defaults. It is set to '' if we can't figure it out. |
2503 | We try to be flexible about how much of the version number |
2504 | to keep, e.g. if 4.1.1, 4.1.2, and 4.1.3 are essentially the |
2505 | same for this package, hints files might just be os_4.0 or |
2506 | os_4.1, etc., not keeping separate files for each little release. |
2507 | |
2508 | package (package.U): |
2509 | This variable contains the name of the package being constructed. |
2510 | It is primarily intended for the use of later Configure units. |
2511 | |
2512 | pager (pager.U): |
2513 | This variable contains the name of the preferred pager on the system. |
2514 | Usual values are (the full pathnames of) more, less, pg, or cat. |
2515 | |
2516 | passcat (nis.U): |
2517 | This variable contains a command that produces the text of the |
2518 | /etc/passwd file. This is normally "cat /etc/passwd", but can be |
2519 | "ypcat passwd" when NIS is used. |
2520 | |
2521 | patchlevel (patchlevel.U): |
2522 | The patchlevel level of this package. |
2523 | The value of patchlevel comes from the patchlevel.h file. |
2524 | |
2525 | path_sep (Unix.U): |
2526 | This is an old synonym for p_ in Head.U, the character |
2527 | used to separate elements in the command shell search PATH. |
2528 | |
2529 | perl (Loc.U): |
2530 | This variable is defined but not used by Configure. |
2531 | The value is a plain '' and is not useful. |
2532 | |
2533 | perladmin (perladmin.U): |
2534 | Electronic mail address of the perl5 administrator. |
2535 | |
2536 | perlpath (perlpath.U): |
2537 | This variable contains the eventual value of the PERLPATH symbol, |
2538 | which contains the name of the perl interpreter to be used in |
2539 | shell scripts and in the "eval 'exec'" idiom. |
2540 | |
2541 | pg (Loc.U): |
2542 | This variable is be used internally by Configure to determine the |
2543 | full pathname (if any) of the pg program. After Configure runs, |
2544 | the value is reset to a plain "pg" and is not useful. |
2545 | |
2546 | phostname (myhostname.U): |
2547 | This variable contains the eventual value of the PHOSTNAME symbol, |
2548 | which is a command that can be fed to popen() to get the host name. |
2549 | The program should probably not presume that the domain is or isn't |
2550 | there already. |
2551 | |
2552 | pidtype (pidtype.U): |
2553 | This variable defines PIDTYPE to be something like pid_t, int, |
2554 | ushort, or whatever type is used to declare process ids in the kernel. |
2555 | |
2556 | plibpth (libpth.U): |
2557 | Holds the private path used by Configure to find out the libraries. |
2558 | Its value is prepend to libpth. This variable takes care of special |
2559 | machines, like the mips. Usually, it should be empty. |
2560 | |
2561 | pmake (Loc.U): |
2562 | This variable is defined but not used by Configure. |
2563 | The value is a plain '' and is not useful. |
2564 | |
2565 | pr (Loc.U): |
2566 | This variable is defined but not used by Configure. |
2567 | The value is a plain '' and is not useful. |
2568 | |
2569 | prefix (prefix.U): |
2570 | This variable holds the name of the directory below which the |
2571 | user will install the package. Usually, this is /usr/local, and |
2572 | executables go in /usr/local/bin, library stuff in /usr/local/lib, |
2573 | man pages in /usr/local/man, etc. It is only used to set defaults |
2574 | for things in bin.U, mansrc.U, privlib.U, or scriptdir.U. |
2575 | |
2576 | prefixexp (prefix.U): |
2577 | This variable holds the full absolute path of the directory below |
2578 | which the user will install the package. Derived from prefix. |
2579 | |
2580 | privlib (privlib.U): |
2581 | This variable contains the eventual value of the PRIVLIB symbol, |
2582 | which is the name of the private library for this package. It may |
2583 | have a ~ on the front. It is up to the makefile to eventually create |
2584 | this directory while performing installation (with ~ substitution). |
2585 | |
2586 | privlibexp (privlib.U): |
2587 | This variable is the ~name expanded version of privlib, so that you |
2588 | may use it directly in Makefiles or shell scripts. |
2589 | |
2590 | prototype (prototype.U): |
2591 | This variable holds the eventual value of CAN_PROTOTYPE, which |
2592 | indicates the C compiler can handle funciton prototypes. |
2593 | |
2594 | ptrsize (ptrsize.U): |
2595 | This variable contains the value of the PTRSIZE symbol, which |
2596 | indicates to the C program how many bytes there are in a pointer. |
2597 | |
2598 | randbits (randfunc.U): |
2599 | Indicates how many bits are produced by the function used to |
2600 | generate normalized random numbers. |
2601 | |
2602 | randfunc (randfunc.U): |
2603 | Indicates the name of the random number function to use. |
2604 | Values include drand48, random, and rand. In C programs, |
2605 | the 'Drand01' macro is defined to generate uniformly distributed |
2606 | random numbers over the range [0., 1.[ (see drand01 and nrand). |
2607 | |
2608 | randseedtype (randfunc.U): |
2609 | Indicates the type of the argument of the seedfunc. |
2610 | |
2611 | ranlib (orderlib.U): |
2612 | This variable is set to the pathname of the ranlib program, if it is |
2613 | needed to generate random libraries. Set to ":" if ar can generate |
2614 | random libraries or if random libraries are not supported |
2615 | |
2616 | rd_nodata (nblock_io.U): |
2617 | This variable holds the return code from read() when no data is |
2618 | present. It should be -1, but some systems return 0 when O_NDELAY is |
2619 | used, which is a shame because you cannot make the difference between |
2620 | no data and an EOF.. Sigh! |
2621 | |
2622 | rm (Loc.U): |
2623 | This variable is be used internally by Configure to determine the |
2624 | full pathname (if any) of the rm program. After Configure runs, |
2625 | the value is reset to a plain "rm" and is not useful. |
2626 | |
2627 | rmail (Loc.U): |
2628 | This variable is defined but not used by Configure. |
2629 | The value is a plain '' and is not useful. |
2630 | |
2631 | runnm (usenm.U): |
2632 | This variable contains 'true' or 'false' depending whether the |
2633 | nm extraction should be performed or not, according to the value |
2634 | of usenm and the flags on the Configure command line. |
2635 | |
2636 | sched_yield (d_pthread_y.U): |
2637 | This variable defines the way to yield the execution |
2638 | of the current thread. |
2639 | |
2640 | scriptdir (scriptdir.U): |
2641 | This variable holds the name of the directory in which the user wants |
2642 | to put publicly scripts for the package in question. It is either |
2643 | the same directory as for binaries, or a special one that can be |
2644 | mounted across different architectures, like /usr/share. Programs |
2645 | must be prepared to deal with ~name expansion. |
2646 | |
2647 | scriptdirexp (scriptdir.U): |
2648 | This variable is the same as scriptdir, but is filename expanded |
2649 | at configuration time, for programs not wanting to bother with it. |
2650 | |
2651 | sed (Loc.U): |
2652 | This variable is be used internally by Configure to determine the |
2653 | full pathname (if any) of the sed program. After Configure runs, |
2654 | the value is reset to a plain "sed" and is not useful. |
2655 | |
2656 | seedfunc (randfunc.U): |
2657 | Indicates the random number generating seed function. |
2658 | Values include srand48, srandom, and srand. |
2659 | |
2660 | selectminbits (selectminbits.U): |
2661 | This variable holds the minimum number of bits operated by select. |
2662 | That is, if you do select(n, ...), how many bits at least will be |
2663 | cleared in the masks if some activity is detected. Usually this |
2664 | is either n or 32*ceil(n/32), especially many little-endians do |
2665 | the latter. This is only useful if you have select(), naturally. |
2666 | |
2667 | selecttype (selecttype.U): |
2668 | This variable holds the type used for the 2nd, 3rd, and 4th |
2669 | arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET |
2670 | is defined, and 'int *' otherwise. This is only useful if you |
2671 | have select(), naturally. |
2672 | |
2673 | sendmail (Loc.U): |
2674 | This variable is defined but not used by Configure. |
2675 | The value is a plain '' and is not useful. |
2676 | |
2677 | sh (sh.U): |
2678 | This variable contains the full pathname of the shell used |
2679 | on this system to execute Bourne shell scripts. Usually, this will be |
2680 | /bin/sh, though it's possible that some systems will have /bin/ksh, |
2681 | /bin/pdksh, /bin/ash, /bin/bash, or even something such as |
2682 | D:/bin/sh.exe. |
2683 | This unit comes before Options.U, so you can't set sh with a '-D' |
2684 | option, though you can override this (and startsh) |
2685 | with '-O -Dsh=/bin/whatever -Dstartsh=whatever' |
2686 | |
2687 | shar (Loc.U): |
2688 | This variable is defined but not used by Configure. |
2689 | The value is a plain '' and is not useful. |
2690 | |
2691 | sharpbang (spitshell.U): |
2692 | This variable contains the string #! if this system supports that |
2693 | construct. |
2694 | |
2695 | shmattype (d_shmat.U): |
2696 | This symbol contains the type of pointer returned by shmat(). |
2697 | It can be 'void *' or 'char *'. |
2698 | |
2699 | shortsize (intsize.U): |
2700 | This variable contains the value of the SHORTSIZE symbol which |
2701 | indicates to the C program how many bytes there are in a short. |
2702 | |
2703 | shrpenv (libperl.U): |
2704 | If the user builds a shared libperl.so, then we need to tell the |
2705 | 'perl' executable where it will be able to find the installed libperl.so. |
2706 | One way to do this on some systems is to set the environment variable |
2707 | LD_RUN_PATH to the directory that will be the final location of the |
2708 | shared libperl.so. The makefile can use this with something like |
2709 | $shrpenv $(CC) -o perl perlmain.o $libperl $libs |
2710 | Typical values are |
2711 | shrpenv="env LD_RUN_PATH=$archlibexp/CORE" |
2712 | or |
2713 | shrpenv='' |
2714 | See the main perl Makefile.SH for actual working usage. |
2715 | Alternatively, we might be able to use a command line option such |
2716 | as -R $archlibexp/CORE (Solaris, NetBSD) or -Wl,-rpath |
2717 | $archlibexp/CORE (Linux). |
2718 | |
2719 | shsharp (spitshell.U): |
2720 | This variable tells further Configure units whether your sh can |
2721 | handle # comments. |
2722 | |
2723 | sig_count (sig_name.U): |
2724 | This variable holds a number larger than the largest valid |
2725 | signal number. This is usually the same as the NSIG macro. |
2726 | |
2727 | sig_name (sig_name.U): |
2728 | This variable holds the signal names, space separated. The leading |
2729 | SIG in signal name is removed. A ZERO is prepended to the |
2730 | list. This is currently not used. |
2731 | |
2732 | sig_name_init (sig_name.U): |
2733 | This variable holds the signal names, enclosed in double quotes and |
2734 | separated by commas, suitable for use in the SIG_NAME definition |
2735 | below. A "ZERO" is prepended to the list, and the list is |
2736 | terminated with a plain 0. The leading SIG in signal names |
2737 | is removed. See sig_num. |
2738 | |
2739 | sig_num (sig_name.U): |
2740 | This variable holds the signal numbers, space separated. A ZERO is |
2741 | prepended to the list (corresponding to the fake SIGZERO), and |
2742 | the list is terminated with a 0. Those numbers correspond to |
2743 | the value of the signal listed in the same place within the |
2744 | sig_name list. |
2745 | |
2746 | sig_num_init (sig_name.U): |
2747 | This variable holds the signal numbers, enclosed in double quotes and |
2748 | separated by commas, suitable for use in the SIG_NUM definition |
2749 | below. A "ZERO" is prepended to the list, and the list is |
2750 | terminated with a plain 0. |
2751 | |
2752 | signal_t (d_voidsig.U): |
2753 | This variable holds the type of the signal handler (void or int). |
2754 | |
2755 | sitearch (sitearch.U): |
2756 | This variable contains the eventual value of the SITEARCH symbol, |
2757 | which is the name of the private library for this package. It may |
2758 | have a ~ on the front. It is up to the makefile to eventually create |
2759 | this directory while performing installation (with ~ substitution). |
2760 | |
2761 | sitearchexp (sitearch.U): |
2762 | This variable is the ~name expanded version of sitearch, so that you |
2763 | may use it directly in Makefiles or shell scripts. |
2764 | |
2765 | sitelib (sitelib.U): |
2766 | This variable contains the eventual value of the SITELIB symbol, |
2767 | which is the name of the private library for this package. It may |
2768 | have a ~ on the front. It is up to the makefile to eventually create |
2769 | this directory while performing installation (with ~ substitution). |
2770 | |
2771 | sitelibexp (sitelib.U): |
2772 | This variable is the ~name expanded version of sitelib, so that you |
2773 | may use it directly in Makefiles or shell scripts. |
2774 | |
2775 | siteprefix (siteprefix.U): |
2776 | This variable holds the full absolute path of the directory below |
2777 | which the user will install add-on packages. |
2778 | |
2779 | siteprefixexp (siteprefix.U): |
2780 | This variable holds the full absolute path of the directory below |
2781 | which the user will install add-on packages. Derived from siteprefix. |
2782 | |
2783 | sizetype (sizetype.U): |
2784 | This variable defines sizetype to be something like size_t, |
2785 | unsigned long, or whatever type is used to declare length |
2786 | parameters for string functions. |
2787 | |
2788 | sleep (Loc.U): |
2789 | This variable is defined but not used by Configure. |
2790 | The value is a plain '' and is not useful. |
2791 | |
2792 | smail (Loc.U): |
2793 | This variable is defined but not used by Configure. |
2794 | The value is a plain '' and is not useful. |
2795 | |
2796 | small (models.U): |
2797 | This variable contains a flag which will tell the C compiler and loader |
2798 | to produce a program running with a small memory model. It is up to |
2799 | the Makefile to use this. |
2800 | |
2801 | so (so.U): |
2802 | This variable holds the extension used to identify shared libraries |
2803 | (also known as shared objects) on the system. Usually set to 'so'. |
2804 | |
2805 | sockethdr (d_socket.U): |
2806 | This variable has any cpp '-I' flags needed for socket support. |
2807 | |
2808 | socketlib (d_socket.U): |
2809 | This variable has the names of any libraries needed for socket support. |
2810 | |
2811 | sort (Loc.U): |
2812 | This variable is be used internally by Configure to determine the |
2813 | full pathname (if any) of the sort program. After Configure runs, |
2814 | the value is reset to a plain "sort" and is not useful. |
2815 | |
2816 | spackage (package.U): |
2817 | This variable contains the name of the package being constructed, |
2818 | with the first letter uppercased, i.e. suitable for starting |
2819 | sentences. |
2820 | |
2821 | spitshell (spitshell.U): |
2822 | This variable contains the command necessary to spit out a runnable |
2823 | shell on this system. It is either cat or a grep '-v' for # comments. |
2824 | |
2825 | split (models.U): |
2826 | This variable contains a flag which will tell the C compiler and loader |
2827 | to produce a program that will run in separate I and D space, for those |
2828 | machines that support separation of instruction and data space. It is |
2829 | up to the Makefile to use this. |
2830 | |
11dc3f68 |
2831 | sPRId64 (quadfio.U): |
2832 | This variable, if defined, contains the string used by stdio to |
2833 | format 64-bit decimal numbers (format 'd') for output. |
2834 | |
2835 | sPRIeldbl (longdblfio.U): |
2836 | This variable, if defined, contains the string used by stdio to |
2837 | format long doubles (format 'e') for output. |
2838 | |
2839 | sPRIEldbl (longdblfio.U): |
2840 | This variable, if defined, contains the string used by stdio to |
2841 | format long doubles (format 'E') for output. |
2842 | |
2843 | sPRIfldbl (longdblfio.U): |
2844 | This variable, if defined, contains the string used by stdio to |
2845 | format long doubles (format 'f') for output. |
2846 | |
2847 | sPRIFldbl (longdblfio.U): |
2848 | This variable, if defined, contains the string used by stdio to |
2849 | format long doubles (format 'F') for output. |
2850 | |
2851 | sPRIgldbl (longdblfio.U): |
2852 | This variable, if defined, contains the string used by stdio to |
2853 | format long doubles (format 'g') for output. |
2854 | |
2855 | sPRIGldbl (longdblfio.U): |
2856 | This variable, if defined, contains the string used by stdio to |
2857 | format long doubles (format 'G') for output. |
2858 | |
2859 | sPRIi64 (quadfio.U): |
2860 | This variable, if defined, contains the string used by stdio to |
2861 | format 64-bit decimal numbers (format 'i') for output. |
2862 | |
2863 | sPRIo64 (quadfio.U): |
2864 | This variable, if defined, contains the string used by stdio to |
2865 | format 64-bit octal numbers (format 'o') for output. |
2866 | |
2867 | sPRIu64 (quadfio.U): |
2868 | This variable, if defined, contains the string used by stdio to |
2869 | format 64-bit unsigned decimal numbers (format 'u') for output. |
2870 | |
2871 | sPRIx64 (quadfio.U): |
2872 | This variable, if defined, contains the string used by stdio to |
2873 | format 64-bit hexadecimal numbers (format 'x') for output. |
2874 | |
2875 | sPRIX64 (quadfio.U): |
2876 | This variable, if defined, contains the string used by stdio to |
2877 | format 64-bit hExADECimAl numbers (format 'X') for output. |
2878 | |
781b178c |
2879 | src (src.U): |
2880 | This variable holds the path to the package source. It is up to |
2881 | the Makefile to use this variable and set VPATH accordingly to |
2882 | find the sources remotely. |
2883 | |
2884 | ssizetype (ssizetype.U): |
2885 | This variable defines ssizetype to be something like ssize_t, |
2886 | long or int. It is used by functions that return a count |
2887 | of bytes or an error condition. It must be a signed type. |
2888 | We will pick a type such that sizeof(SSize_t) == sizeof(Size_t). |
2889 | |
2890 | startperl (startperl.U): |
2891 | This variable contains the string to put on the front of a perl |
2892 | script to make sure (hopefully) that it runs with perl and not some |
2893 | shell. Of course, that leading line must be followed by the classical |
2894 | perl idiom: |
2895 | eval 'exec perl -S $0 ${1+"$@"}' |
2896 | if $running_under_some_shell; |
2897 | to guarantee perl startup should the shell execute the script. Note |
2898 | that this magic incatation is not understood by csh. |
2899 | |
2900 | startsh (startsh.U): |
2901 | This variable contains the string to put on the front of a shell |
2902 | script to make sure (hopefully) that it runs with sh and not some |
2903 | other shell. |
2904 | |
2905 | static_ext (Extensions.U): |
2906 | This variable holds a list of XS extension files we want to |
2907 | link statically into the package. It is used by Makefile. |
2908 | |
2909 | stdchar (stdchar.U): |
2910 | This variable conditionally defines STDCHAR to be the type of char |
2911 | used in stdio.h. It has the values "unsigned char" or "char". |
2912 | |
2913 | stdio_base (d_stdstdio.U): |
2914 | This variable defines how, given a FILE pointer, fp, to access the |
2915 | _base field (or equivalent) of stdio.h's FILE structure. This will |
2916 | be used to define the macro FILE_base(fp). |
2917 | |
2918 | stdio_bufsiz (d_stdstdio.U): |
2919 | This variable defines how, given a FILE pointer, fp, to determine |
2920 | the number of bytes store in the I/O buffer pointer to by the |
2921 | _base field (or equivalent) of stdio.h's FILE structure. This will |
2922 | be used to define the macro FILE_bufsiz(fp). |
2923 | |
2924 | stdio_cnt (d_stdstdio.U): |
2925 | This variable defines how, given a FILE pointer, fp, to access the |
2926 | _cnt field (or equivalent) of stdio.h's FILE structure. This will |
2927 | be used to define the macro FILE_cnt(fp). |
2928 | |
2929 | stdio_filbuf (d_stdstdio.U): |
2930 | This variable defines how, given a FILE pointer, fp, to tell |
2931 | stdio to refill it's internal buffers (?). This will |
2932 | be used to define the macro FILE_filbuf(fp). |
2933 | |
2934 | stdio_ptr (d_stdstdio.U): |
2935 | This variable defines how, given a FILE pointer, fp, to access the |
2936 | _ptr field (or equivalent) of stdio.h's FILE structure. This will |
2937 | be used to define the macro FILE_ptr(fp). |
2938 | |
2939 | stdio_stream_array (stdio_streams.U): |
2940 | This variable tells the name of the array holding the stdio streams. |
2941 | Usual values include _iob, __iob, and __sF. |
2942 | |
2943 | strings (i_string.U): |
2944 | This variable holds the full path of the string header that will be |
2945 | used. Typically /usr/include/string.h or /usr/include/strings.h. |
2946 | |
2947 | submit (Loc.U): |
2948 | This variable is defined but not used by Configure. |
2949 | The value is a plain '' and is not useful. |
2950 | |
2951 | subversion (patchlevel.U): |
2952 | The subversion level of this package. |
2953 | The value of subversion comes from the patchlevel.h file. |
2954 | This is unique to perl. |
2955 | |
2956 | sysman (sysman.U): |
2957 | This variable holds the place where the manual is located on this |
2958 | system. It is not the place where the user wants to put his manual |
2959 | pages. Rather it is the place where Configure may look to find manual |
2960 | for unix commands (section 1 of the manual usually). See mansrc. |
2961 | |
2962 | tail (Loc.U): |
2963 | This variable is defined but not used by Configure. |
2964 | The value is a plain '' and is not useful. |
2965 | |
2966 | tar (Loc.U): |
2967 | This variable is defined but not used by Configure. |
2968 | The value is a plain '' and is not useful. |
2969 | |
2970 | tbl (Loc.U): |
2971 | This variable is defined but not used by Configure. |
2972 | The value is a plain '' and is not useful. |
2973 | |
2974 | tee (Loc.U): |
2975 | This variable is defined but not used by Configure. |
2976 | The value is a plain '' and is not useful. |
2977 | |
2978 | test (Loc.U): |
2979 | This variable is be used internally by Configure to determine the |
2980 | full pathname (if any) of the test program. After Configure runs, |
2981 | the value is reset to a plain "test" and is not useful. |
2982 | |
2983 | timeincl (i_time.U): |
2984 | This variable holds the full path of the included time header(s). |
2985 | |
2986 | timetype (d_time.U): |
2987 | This variable holds the type returned by time(). It can be long, |
2988 | or time_t on BSD sites (in which case <sys/types.h> should be |
2989 | included). Anyway, the type Time_t should be used. |
2990 | |
2991 | touch (Loc.U): |
2992 | This variable is be used internally by Configure to determine the |
2993 | full pathname (if any) of the touch program. After Configure runs, |
2994 | the value is reset to a plain "touch" and is not useful. |
2995 | |
2996 | tr (Loc.U): |
2997 | This variable is be used internally by Configure to determine the |
2998 | full pathname (if any) of the tr program. After Configure runs, |
2999 | the value is reset to a plain "tr" and is not useful. |
3000 | |
3001 | trnl (trnl.U): |
3002 | This variable contains the value to be passed to the tr(1) |
3003 | command to transliterate a newline. Typical values are |
3004 | '\012' and '\n'. This is needed for EBCDIC systems where |
3005 | newline is not necessarily '\012'. |
3006 | |
3007 | troff (Loc.U): |
3008 | This variable is defined but not used by Configure. |
3009 | The value is a plain '' and is not useful. |
3010 | |
3011 | uidtype (uidtype.U): |
3012 | This variable defines Uid_t to be something like uid_t, int, |
3013 | ushort, or whatever type is used to declare user ids in the kernel. |
3014 | |
3015 | uname (Loc.U): |
3016 | This variable is be used internally by Configure to determine the |
3017 | full pathname (if any) of the uname program. After Configure runs, |
3018 | the value is reset to a plain "uname" and is not useful. |
3019 | |
3020 | uniq (Loc.U): |
3021 | This variable is be used internally by Configure to determine the |
3022 | full pathname (if any) of the uniq program. After Configure runs, |
3023 | the value is reset to a plain "uniq" and is not useful. |
3024 | |
3025 | use64bits (use64bits.U): |
3026 | This variable conditionally defines the USE_64_BITS symbol, |
3027 | and indicates that explicit 64-bit interfaces should be used |
3028 | when available. |
3029 | |
3030 | usedl (dlsrc.U): |
3031 | This variable indicates if the the system supports dynamic |
3032 | loading of some sort. See also dlsrc and dlobj. |
3033 | |
ca24dfc6 |
3034 | uselongdouble (uselongdbl.U): |
3035 | This variable conditionally defines the USE_LONG_DOUBLE symbol, |
3036 | and indicates that long doubles should be used when available. |
3037 | |
781b178c |
3038 | usemultiplicity (usemultiplicity.U): |
3039 | This variable conditionally defines the MULTIPLICITY symbol, |
3040 | and indicates that Perl should be built to use multiplicity. |
3041 | |
3042 | usemymalloc (mallocsrc.U): |
3043 | This variable contains y if the malloc that comes with this package |
3044 | is desired over the system's version of malloc. People often include |
3045 | special versions of malloc for effiency, but such versions are often |
3046 | less portable. See also mallocsrc and mallocobj. |
3047 | If this is 'y', then -lmalloc is removed from $libs. |
3048 | |
3049 | usenm (usenm.U): |
3050 | This variable contains 'true' or 'false' depending whether the |
3051 | nm extraction is wanted or not. |
3052 | |
3053 | useopcode (Extensions.U): |
3054 | This variable holds either 'true' or 'false' to indicate |
3055 | whether the Opcode extension should be used. The sole |
3056 | use for this currently is to allow an easy mechanism |
3057 | for users to skip the Opcode extension from the Configure |
3058 | command line. |
3059 | |
3060 | useperlio (useperlio.U): |
3061 | This variable conditionally defines the USE_PERLIO symbol, |
3062 | and indicates that the PerlIO abstraction should be |
3063 | used throughout. |
3064 | |
3065 | useposix (Extensions.U): |
3066 | This variable holds either 'true' or 'false' to indicate |
3067 | whether the POSIX extension should be used. The sole |
3068 | use for this currently is to allow an easy mechanism |
3069 | for hints files to indicate that POSIX will not compile |
3070 | on a particular system. |
3071 | |
3072 | usesfio (d_sfio.U): |
3073 | This variable is set to true when the user agrees to use sfio. |
3074 | It is set to false when sfio is not available or when the user |
3075 | explicitely requests not to use sfio. It is here primarily so |
3076 | that command-line settings can override the auto-detection of |
3077 | d_sfio without running into a "WHOA THERE". |
3078 | |
3079 | useshrplib (libperl.U): |
3080 | This variable is set to 'yes' if the user wishes |
3081 | to build a shared libperl, and 'no' otherwise. |
3082 | |
3083 | usesocks (usesocks.U): |
3084 | This variable conditionally defines the USE_SOCKS symbol, |
3085 | and indicates that Perl should be built to use SOCKS. |
3086 | |
3087 | usethreads (usethreads.U): |
3088 | This variable conditionally defines the USE_THREADS symbol, |
3089 | and indicates that Perl should be built to use threads. |
3090 | |
9f50e519 |
3091 | usevendorprefix (vendorprefix.U): |
3092 | This variable tells whether the vendorprefix |
3093 | and consequently other vendor* paths are in use. |
3094 | |
781b178c |
3095 | usevfork (d_vfork.U): |
3096 | This variable is set to true when the user accepts to use vfork. |
3097 | It is set to false when no vfork is available or when the user |
3098 | explicitely requests not to use vfork. |
3099 | |
3100 | usrinc (usrinc.U): |
3101 | This variable holds the path of the include files, which is |
3102 | usually /usr/include. It is mainly used by other Configure units. |
3103 | |
3104 | uuname (Loc.U): |
3105 | This variable is defined but not used by Configure. |
3106 | The value is a plain '' and is not useful. |
3107 | |
a3635516 |
3108 | vendorlib (vendorlib.U): |
3109 | This variable contains the eventual value of the VENDORLIB symbol, |
3110 | which is the name of the private library for this package. It may |
3111 | have a ~ on the front. It is up to the makefile to eventually create |
3112 | this directory while performing installation (with ~ substitution). |
3113 | Vendors who distribute perl binaries may place their own |
3114 | extensions and modules in this directory. |
3115 | |
3116 | vendorlibexp (vendorlib.U): |
3117 | This variable is the ~name expanded version of vendorlib, so that you |
3118 | may use it directly in Makefiles or shell scripts. |
3119 | |
3120 | vendorprefix (vendorprefix.U): |
3121 | This variable holds the full absolute path of the directory below |
3122 | which the vendor will install add-on packages. |
3123 | |
3124 | vendorprefixexp (vendorprefix.U): |
3125 | This variable holds the full absolute path of the directory below |
3126 | which the vendor will install add-on packages. Derived from vendorprefix. |
3127 | |
781b178c |
3128 | version (patchlevel.U): |
3129 | The full version number of this package. This combines |
3130 | baserev, patchlevel, and subversion to get the full |
3131 | version number, including any possible subversions. Care |
3132 | is taken to use the C locale in order to get something |
3133 | like 5.004 instead of 5,004. This is unique to perl. |
3134 | |
3135 | vi (Loc.U): |
3136 | This variable is defined but not used by Configure. |
3137 | The value is a plain '' and is not useful. |
3138 | |
3139 | voidflags (voidflags.U): |
3140 | This variable contains the eventual value of the VOIDFLAGS symbol, |
3141 | which indicates how much support of the void type is given by this |
3142 | compiler. See VOIDFLAGS for more info. |
3143 | |
3144 | xlibpth (libpth.U): |
3145 | This variable holds extra path (space-separated) used to find |
3146 | libraries on this platform, for example CPU-specific libraries |
3147 | (on multi-CPU platforms) may be listed here. |
3148 | |
3149 | zcat (Loc.U): |
3150 | This variable is defined but not used by Configure. |
3151 | The value is a plain '' and is not useful. |
3152 | |
3153 | zip (Loc.U): |
3154 | This variable is be used internally by Configure to determine the |
3155 | full pathname (if any) of the zip program. After Configure runs, |
3156 | the value is reset to a plain "zip" and is not useful. |
3157 | |