2 '') CONFIG_SH=config.sh ;;
5 '') CONFIG_H=config.h ;;
7 case $PERL_CONFIG_SH in
9 if test -f $CONFIG_SH; then TOP=.;
10 elif test -f ../$CONFIG_SH; then TOP=..;
11 elif test -f ../../$CONFIG_SH; then TOP=../..;
12 elif test -f ../../../$CONFIG_SH; then TOP=../../..;
13 elif test -f ../../../../$CONFIG_SH; then TOP=../../../..;
15 echo "Can't find $CONFIG_SH."; exit 1
21 */*) cd `expr X$0 : 'X\(.*\)/'` ;;
23 echo "Extracting $CONFIG_H (with variable substitutions)"
24 sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un-def!#undef!'
26 * This file was produced by running the config_h.SH script, which
27 * gets its values from $CONFIG_SH, which is generally produced by
30 * Feel free to modify any of this as the need arises. Note, however,
31 * that running config_h.SH again will wipe out any changes you've made.
32 * For a more permanent change edit $CONFIG_SH and rerun config_h.SH.
34 * \$Id: Config_h.U,v 3.0.1.5 1997/02/28 14:57:43 ram Exp $
38 * Package name : $package
39 * Source directory : $src
40 * Configuration time: $cf_time
41 * Configured by : $cf_by
42 * Target system : $myuname
49 * This symbol holds the complete pathname to the sed program.
51 #define LOC_SED "$full_sed" /**/
54 * This symbol, if defined, indicates that the alarm routine is
57 #$d_alarm HAS_ALARM /**/
60 * This symbol is defined if the bcmp() routine is available to
61 * compare blocks of memory.
63 #$d_bcmp HAS_BCMP /**/
66 * This symbol is defined if the bcopy() routine is available to
67 * copy blocks of memory.
69 #$d_bcopy HAS_BCOPY /**/
72 * This symbol is defined if the bzero() routine is available to
73 * set a memory block to 0.
75 #$d_bzero HAS_BZERO /**/
78 * This symbol, if defined, indicates that the chown routine is
81 #$d_chown HAS_CHOWN /**/
84 * This symbol, if defined, indicates that the chroot routine is
87 #$d_chroot HAS_CHROOT /**/
90 * This symbol, if defined, indicates that the chsize routine is available
91 * to truncate files. You might need a -lx to get this routine.
93 #$d_chsize HAS_CHSIZE /**/
96 * This symbol, if defined, indicates that the ctermid routine is
97 * available to generate filename for terminal.
99 #$d_ctermid HAS_CTERMID /**/
102 * This symbol, if defined, indicates that the cuserid routine is
103 * available to get character login names.
105 #$d_cuserid HAS_CUSERID /**/
108 * This symbol, if defined, indicates that this system's <float.h>
109 * or <limits.h> defines the symbol DBL_DIG, which is the number
110 * of significant digits in a double precision number. If this
111 * symbol is not defined, a guess of 15 is usually pretty good.
113 #$d_dbl_dig HAS_DBL_DIG /* */
116 * This symbol, if defined, indicates that the difftime routine is
119 #$d_difftime HAS_DIFFTIME /**/
122 * This symbol, if defined, indicates that the dlerror routine is
123 * available to return a string describing the last error that
124 * occurred from a call to dlopen(), dlclose() or dlsym().
126 #$d_dlerror HAS_DLERROR /**/
129 * This symbol, if defined, indicates that the dup2 routine is
130 * available to duplicate file descriptors.
132 #$d_dup2 HAS_DUP2 /**/
135 * This symbol, if defined, indicates that the fchmod routine is available
136 * to change mode of opened files. If unavailable, use chmod().
138 #$d_fchmod HAS_FCHMOD /**/
141 * This symbol, if defined, indicates that the fchown routine is available
142 * to change ownership of opened files. If unavailable, use chown().
144 #$d_fchown HAS_FCHOWN /**/
147 * This symbol, if defined, indicates to the C program that
148 * the fcntl() function exists.
150 #$d_fcntl HAS_FCNTL /**/
153 * This symbol, if defined, indicates that the fgetpos routine is
154 * available to get the file position indicator, similar to ftell().
156 #$d_fgetpos HAS_FGETPOS /**/
159 * This symbol, if defined, indicates that the flock routine is
160 * available to do file locking.
162 #$d_flock HAS_FLOCK /**/
165 * This symbol, if defined, indicates that the fork routine is
168 #$d_fork HAS_FORK /**/
171 * This symbol, if defined, indicates that the fsetpos routine is
172 * available to set the file position indicator, similar to fseek().
174 #$d_fsetpos HAS_FSETPOS /**/
177 * This symbol, if defined, indicates that the gettimeofday() system
178 * call is available for a sub-second accuracy clock. Usually, the file
179 * <sys/resource.h> needs to be included (see I_SYS_RESOURCE).
180 * The type "Timeval" should be used to refer to "struct timeval".
182 #$d_gettimeod HAS_GETTIMEOFDAY /**/
183 #ifdef HAS_GETTIMEOFDAY
184 #define Timeval struct timeval /* Structure used by gettimeofday() */
188 * This symbol, if defined, indicates that the getgroups() routine is
189 * available to get the list of process groups. If unavailable, multiple
190 * groups are probably not supported.
192 #$d_getgrps HAS_GETGROUPS /**/
195 * This symbol, if defined, indicates that the getlogin routine is
196 * available to get the login name.
198 #$d_getlogin HAS_GETLOGIN /**/
201 * This symbol, if defined, indicates to the C program that
202 * the getpgid(pid) function is available to get the
205 #$d_getpgid HAS_GETPGID /**/
208 * This symbol, if defined, indicates that the getpgrp2() (as in DG/UX)
209 * routine is available to get the current process group.
211 #$d_getpgrp2 HAS_GETPGRP2 /**/
214 * This symbol, if defined, indicates that the getppid routine is
215 * available to get the parent process ID.
217 #$d_getppid HAS_GETPPID /**/
220 * This symbol, if defined, indicates that the getpriority routine is
221 * available to get a process's priority.
223 #$d_getprior HAS_GETPRIORITY /**/
226 * This symbol, if defined, indicates to the C program that the
227 * inet_aton() function is available to parse IP address "dotted-quad"
230 #$d_inetaton HAS_INET_ATON /**/
233 * This symbol, if defined, indicates that the killpg routine is available
234 * to kill process groups. If unavailable, you probably should use kill
235 * with a negative process number.
237 #$d_killpg HAS_KILLPG /**/
240 * This symbol, if defined, indicates that the link routine is
241 * available to create hard links.
243 #$d_link HAS_LINK /**/
246 * This symbol, if defined, indicates that the localeconv routine is
247 * available for numeric and monetary formatting conventions.
249 #$d_locconv HAS_LOCALECONV /**/
252 * This symbol, if defined, indicates that the lockf routine is
253 * available to do file locking.
255 #$d_lockf HAS_LOCKF /**/
258 * This symbol, if defined, indicates that the lstat routine is
259 * available to do file stats on symbolic links.
261 #$d_lstat HAS_LSTAT /**/
264 * This symbol, if defined, indicates that the mblen routine is available
265 * to find the number of bytes in a multibye character.
267 #$d_mblen HAS_MBLEN /**/
270 * This symbol, if defined, indicates that the mbstowcs routine is
271 * available to covert a multibyte string into a wide character string.
273 #$d_mbstowcs HAS_MBSTOWCS /**/
276 * This symbol, if defined, indicates that the mbtowc routine is available
277 * to covert a multibyte to a wide character.
279 #$d_mbtowc HAS_MBTOWC /**/
282 * This symbol, if defined, indicates that the memcmp routine is available
283 * to compare blocks of memory.
285 #$d_memcmp HAS_MEMCMP /**/
288 * This symbol, if defined, indicates that the memcpy routine is available
289 * to copy blocks of memory.
291 #$d_memcpy HAS_MEMCPY /**/
294 * This symbol, if defined, indicates that the memmove routine is available
295 * to copy potentially overlapping blocks of memory. This should be used
296 * only when HAS_SAFE_BCOPY is not defined. If neither is there, roll your
299 #$d_memmove HAS_MEMMOVE /**/
302 * This symbol, if defined, indicates that the memset routine is available
303 * to set blocks of memory.
305 #$d_memset HAS_MEMSET /**/
308 * This symbol, if defined, indicates that the mkdir routine is available
309 * to create directories. Otherwise you should fork off a new process to
312 #$d_mkdir HAS_MKDIR /**/
315 * This symbol, if defined, indicates that the mkfifo routine is
316 * available to create FIFOs. Otherwise, mknod should be able to
317 * do it for you. However, if mkfifo is there, mknod might require
318 * super-user privileges which mkfifo will not.
320 #$d_mkfifo HAS_MKFIFO /**/
323 * This symbol, if defined, indicates that the mktime routine is
326 #$d_mktime HAS_MKTIME /**/
329 * This symbol, if defined, indicates that the msync system call is
330 * available to synchronize a mapped file.
332 #$d_msync HAS_MSYNC /**/
335 * This symbol, if defined, indicates that the munmap system call is
336 * available to unmap a region, usually mapped by mmap().
338 #$d_munmap HAS_MUNMAP /**/
341 * This symbol, if defined, indicates that the nice routine is
344 #$d_nice HAS_NICE /**/
347 * This symbol, if defined, indicates that pathconf() is available
348 * to determine file-system related limits and options associated
349 * with a given filename.
352 * This symbol, if defined, indicates that pathconf() is available
353 * to determine file-system related limits and options associated
354 * with a given open file descriptor.
356 #$d_pathconf HAS_PATHCONF /**/
357 #$d_fpathconf HAS_FPATHCONF /**/
360 * This symbol, if defined, indicates that the pause routine is
361 * available to suspend a process until a signal is received.
363 #$d_pause HAS_PAUSE /**/
366 * This symbol, if defined, indicates that the pipe routine is
367 * available to create an inter-process channel.
369 #$d_pipe HAS_PIPE /**/
372 * This symbol, if defined, indicates that the readdir routine is
373 * available to read directory entries. You may have to include
374 * <dirent.h>. See I_DIRENT.
376 #$d_readdir HAS_READDIR /**/
379 * This symbol, if defined, indicates that the seekdir routine is
380 * available. You may have to include <dirent.h>. See I_DIRENT.
382 #$d_seekdir HAS_SEEKDIR /**/
385 * This symbol, if defined, indicates that the telldir routine is
386 * available. You may have to include <dirent.h>. See I_DIRENT.
388 #$d_telldir HAS_TELLDIR /**/
391 * This symbol, if defined, indicates that the rewinddir routine is
392 * available. You may have to include <dirent.h>. See I_DIRENT.
394 #$d_rewinddir HAS_REWINDDIR /**/
397 * This symbol, if defined, indicates that the readlink routine is
398 * available to read the value of a symbolic link.
400 #$d_readlink HAS_READLINK /**/
403 * This symbol, if defined, indicates that the rename routine is available
404 * to rename files. Otherwise you should do the unlink(), link(), unlink()
407 #$d_rename HAS_RENAME /**/
410 * This symbol, if defined, indicates that the rmdir routine is
411 * available to remove directories. Otherwise you should fork off a
412 * new process to exec /bin/rmdir.
414 #$d_rmdir HAS_RMDIR /**/
417 * This symbol, if defined, indicates that the select routine is
418 * available to select active file descriptors. If the timeout field
419 * is used, <sys/time.h> may need to be included.
421 #$d_select HAS_SELECT /**/
424 * This symbol, if defined, indicates that the setegid routine is available
425 * to change the effective gid of the current program.
427 #$d_setegid HAS_SETEGID /**/
430 * This symbol, if defined, indicates that the seteuid routine is available
431 * to change the effective uid of the current program.
433 #$d_seteuid HAS_SETEUID /**/
436 * This symbol, if defined, indicates that the setlinebuf routine is
437 * available to change stderr or stdout from block-buffered or unbuffered
438 * to a line-buffered mode.
440 #$d_setlinebuf HAS_SETLINEBUF /**/
443 * This symbol, if defined, indicates that the setlocale routine is
444 * available to handle locale-specific ctype implementations.
446 #$d_setlocale HAS_SETLOCALE /**/
449 * This symbol, if defined, indicates that the setpgid(pid, gpid)
450 * routine is available to set process group ID.
452 #$d_setpgid HAS_SETPGID /**/
455 * This symbol, if defined, indicates that the setpgrp2() (as in DG/UX)
456 * routine is available to set the current process group.
458 #$d_setpgrp2 HAS_SETPGRP2 /**/
461 * This symbol, if defined, indicates that the setpriority routine is
462 * available to set a process's priority.
464 #$d_setprior HAS_SETPRIORITY /**/
467 * This symbol, if defined, indicates that the setregid routine is
468 * available to change the real and effective gid of the current
472 * This symbol, if defined, indicates that the setresgid routine is
473 * available to change the real, effective and saved gid of the current
476 #$d_setregid HAS_SETREGID /**/
477 #$d_setresgid HAS_SETRESGID /**/
480 * This symbol, if defined, indicates that the setreuid routine is
481 * available to change the real and effective uid of the current
485 * This symbol, if defined, indicates that the setresuid routine is
486 * available to change the real, effective and saved uid of the current
489 #$d_setreuid HAS_SETREUID /**/
490 #$d_setresuid HAS_SETRESUID /**/
493 * This symbol, if defined, indicates that the setrgid routine is available
494 * to change the real gid of the current program.
496 #$d_setrgid HAS_SETRGID /**/
499 * This symbol, if defined, indicates that the setruid routine is available
500 * to change the real uid of the current program.
502 #$d_setruid HAS_SETRUID /**/
505 * This symbol, if defined, indicates that the setsid routine is
506 * available to set the process group ID.
508 #$d_setsid HAS_SETSID /**/
511 * This symbol is defined to indicate that the strchr()/strrchr()
512 * functions are available for string searching. If not, try the
513 * index()/rindex() pair.
516 * This symbol is defined to indicate that the index()/rindex()
517 * functions are available for string searching.
519 #$d_strchr HAS_STRCHR /**/
520 #$d_index HAS_INDEX /**/
523 * This symbol, if defined, indicates that the strcoll routine is
524 * available to compare strings using collating information.
526 #$d_strcoll HAS_STRCOLL /**/
529 * This symbol, if defined, indicates that this C compiler knows how
530 * to copy structures. If undefined, you'll need to use a block copy
531 * routine of some sort instead.
533 #$d_strctcpy USE_STRUCT_COPY /**/
536 * This symbol, if defined, indicates that the strtod routine is
537 * available to provide better numeric string conversion than atof().
539 #$d_strtod HAS_STRTOD /**/
542 * This symbol, if defined, indicates that the strtol routine is available
543 * to provide better numeric string conversion than atoi() and friends.
545 #$d_strtol HAS_STRTOL /**/
548 * This symbol, if defined, indicates that the strxfrm() routine is
549 * available to transform strings.
551 #$d_strxfrm HAS_STRXFRM /**/
554 * This symbol, if defined, indicates that the symlink routine is available
555 * to create symbolic links.
557 #$d_symlink HAS_SYMLINK /**/
560 * This symbol, if defined, indicates that the syscall routine is
561 * available to call arbitrary system calls. If undefined, that's tough.
563 #$d_syscall HAS_SYSCALL /**/
566 * This symbol, if defined, indicates that sysconf() is available
567 * to determine system related limits and options.
569 #$d_sysconf HAS_SYSCONF /**/
572 * This symbol, if defined, indicates that the system routine is
573 * available to issue a shell command.
575 #$d_system HAS_SYSTEM /**/
578 * This symbol, if defined, indicates that the tcgetpgrp routine is
579 * available to get foreground process group ID.
581 #$d_tcgetpgrp HAS_TCGETPGRP /**/
584 * This symbol, if defined, indicates that the tcsetpgrp routine is
585 * available to set foreground process group ID.
587 #$d_tcsetpgrp HAS_TCSETPGRP /**/
590 * This symbol, if defined, indicates that the truncate routine is
591 * available to truncate files.
593 #$d_truncate HAS_TRUNCATE /**/
596 * This symbol, if defined, indicates that the tzname[] array is
597 * available to access timezone names.
599 #$d_tzname HAS_TZNAME /**/
602 * This symbol, if defined, indicates that the umask routine is
603 * available to set and get the value of the file creation mask.
605 #$d_umask HAS_UMASK /**/
608 * This symbol, if defined, indicates that the usleep routine is
609 * available to let the process sleep on a sub-second accuracy.
611 #$d_usleep HAS_USLEEP /**/
614 * This symbol, if defined, indicates that this C compiler knows about
615 * the volatile declaration.
617 #$d_volatile HASVOLATILE /**/
623 * This symbol, if defined, indicates that wait4() exists.
625 #$d_wait4 HAS_WAIT4 /**/
628 * This symbol, if defined, indicates that the waitpid routine is
629 * available to wait for child process.
631 #$d_waitpid HAS_WAITPID /**/
634 * This symbol, if defined, indicates that the wcstombs routine is
635 * available to convert wide character strings to multibyte strings.
637 #$d_wcstombs HAS_WCSTOMBS /**/
640 * This symbol, if defined, indicates that the wctomb routine is available
641 * to covert a wide character to a multibyte.
643 #$d_wctomb HAS_WCTOMB /**/
646 * This symbol, if defined, indicates to the C program that it should
647 * include <arpa/inet.h> to get inet_addr and friends declarations.
649 #$i_arpainet I_ARPA_INET /**/
652 * This symbol, if defined, indicates that <dbm.h> exists and should
656 * This symbol, if defined, indicates that <rpcsvc/dbm.h> exists and
657 * should be included.
660 #$i_rpcsvcdbm I_RPCSVC_DBM /**/
663 * This symbol, if defined, indicates to the C program that it should
664 * include <dirent.h>. Using this symbol also triggers the definition
665 * of the Direntry_t define which ends up being 'struct dirent' or
666 * 'struct direct' depending on the availability of <dirent.h>.
669 * This symbol, if defined, indicates to the C program that the length
670 * of directory entry names is provided by a d_namlen field. Otherwise
671 * you need to do strlen() on the d_name field.
674 * This symbol is set to 'struct direct' or 'struct dirent' depending on
675 * whether dirent is available or not. You should use this pseudo type to
676 * portably declare your directory entries.
678 #$i_dirent I_DIRENT /**/
679 #$d_dirnamlen DIRNAMLEN /**/
680 #define Direntry_t $direntrytype
683 * This symbol, if defined, indicates that <dlfcn.h> exists and should
686 #$i_dlfcn I_DLFCN /**/
689 * This manifest constant tells the C program to include <fcntl.h>.
691 #$i_fcntl I_FCNTL /**/
694 * This symbol, if defined, indicates to the C program that it should
695 * include <float.h> to get definition of symbols like DBL_MAX or
696 * DBL_MIN, i.e. machine dependent floating point values.
698 #$i_float I_FLOAT /**/
701 * This symbol, if defined, indicates that <gdbm.h> exists and should
707 * This symbol, if defined, indicates to the C program that it should
708 * include <limits.h> to get definition of symbols like WORD_BIT or
709 * LONG_MAX, i.e. machine dependant limitations.
711 #$i_limits I_LIMITS /**/
714 * This symbol, if defined, indicates to the C program that it should
715 * include <locale.h>.
717 #$i_locale I_LOCALE /**/
720 * This symbol, if defined, indicates to the C program that it should
726 * This symbol, if defined, indicates to the C program that it should
727 * include <memory.h>.
729 #$i_memory I_MEMORY /**/
732 * This symbol, if defined, indicates that <net/errno.h> exists and
733 * should be included.
735 #$i_neterrno I_NET_ERRNO /**/
738 * This symbol, if defined, indicates to the C program that it should
739 * include <netinet/in.h>. Otherwise, you may try <sys/in.h>.
741 #$i_niin I_NETINET_IN /**/
744 * This symbol, if defined, indicates to the C program that it should
750 * This symbol, if defined, indicates that <stddef.h> exists and should
753 #$i_stddef I_STDDEF /**/
756 * This symbol, if defined, indicates that <stdlib.h> exists and should
759 #$i_stdlib I_STDLIB /**/
762 * This symbol, if defined, indicates to the C program that it should
763 * include <string.h> (USG systems) instead of <strings.h> (BSD systems).
765 #$i_string I_STRING /**/
768 * This symbol, if defined, indicates to the C program that it should
769 * include <sys/dir.h>.
771 #$i_sysdir I_SYS_DIR /**/
774 * This symbol, if defined, indicates to the C program that it should
775 * include <sys/file.h> to get definition of R_OK and friends.
777 #$i_sysfile I_SYS_FILE /**/
780 * This symbol, if defined, indicates that <sys/ioctl.h> exists and should
781 * be included. Otherwise, include <sgtty.h> or <termio.h>.
784 * This symbol, if defined, indicates the <sys/sockio.h> should be included
785 * to get socket ioctl options, like SIOCATMARK.
787 #$i_sysioctl I_SYS_IOCTL /**/
788 #$i_syssockio I_SYS_SOCKIO /**/
791 * This symbol, if defined, indicates to the C program that it should
792 * include <sys/ndir.h>.
794 #$i_sysndir I_SYS_NDIR /**/
797 * This symbol, if defined, indicates to the C program that it should
798 * include <sys/param.h>.
800 #$i_sysparam I_SYS_PARAM /**/
803 * This symbol, if defined, indicates to the C program that it should
804 * include <sys/resource.h>.
806 #$i_sysresrc I_SYS_RESOURCE /**/
809 * This symbol, if defined, indicates to the C program that it should
810 * include <sys/select.h> in order to get definition of struct timeval.
812 #$i_sysselct I_SYS_SELECT /**/
815 * This symbol, if defined, indicates to the C program that it should
816 * include <sys/stat.h>.
818 #$i_sysstat I_SYS_STAT /**/
821 * This symbol, if defined, indicates to the C program that it should
822 * include <sys/times.h>.
824 #$i_systimes I_SYS_TIMES /**/
827 * This symbol, if defined, indicates to the C program that it should
828 * include <sys/types.h>.
830 #$i_systypes I_SYS_TYPES /**/
833 * This symbol, if defined, indicates to the C program that it should
834 * include <sys/un.h> to get UNIX domain socket definitions.
836 #$i_sysun I_SYS_UN /**/
839 * This symbol, if defined, indicates to the C program that it should
840 * include <sys/wait.h>.
842 #$i_syswait I_SYS_WAIT /**/
845 * This symbol, if defined, indicates that the program should include
846 * <termio.h> rather than <sgtty.h>. There are also differences in
847 * the ioctl() calls that depend on the value of this symbol.
850 * This symbol, if defined, indicates that the program should include
851 * the POSIX termios.h rather than sgtty.h or termio.h.
852 * There are also differences in the ioctl() calls that depend on the
853 * value of this symbol.
856 * This symbol, if defined, indicates that the program should include
857 * <sgtty.h> rather than <termio.h>. There are also differences in
858 * the ioctl() calls that depend on the value of this symbol.
860 #$i_termio I_TERMIO /**/
861 #$i_termios I_TERMIOS /**/
862 #$i_sgtty I_SGTTY /**/
865 * This symbol, if defined, indicates to the C program that it should
866 * include <unistd.h>.
868 #$i_unistd I_UNISTD /**/
871 * This symbol, if defined, indicates to the C program that it should
874 #$i_utime I_UTIME /**/
877 * This symbol, if defined, indicates to the C program that it should
878 * include <values.h> to get definition of symbols like MINFLOAT or
879 * MAXLONG, i.e. machine dependant limitations. Probably, you
880 * should use <limits.h> instead, if it is available.
882 #$i_values I_VALUES /**/
885 * This symbol, if defined, indicates to the C program that it should
888 #$i_vfork I_VFORK /**/
891 * This symbol, if defined, indicates that the accessx routine is
892 * available to do extended access checks.
894 #$d_accessx HAS_ACCESSX /**/
897 * This symbol, if defined, indicates that the eaccess routine is
898 * available to do extended access checks.
900 #$d_eaccess HAS_EACCESS /**/
903 * This symbol, if defined, indicates to the C program that it should
904 * include <sys/access.h>.
906 #$i_sysaccess I_SYS_ACCESS /**/
909 * This symbol, if defined, indicates to the C program that it should
910 * include <sys/security.h>.
912 #$i_syssecrt I_SYS_SECURITY /**/
914 /* USE_CROSS_COMPILE:
915 * This symbol, if defined, indicates that Perl is being cross-compiled.
918 * This symbol, if defined, indicates the target architecture
919 * Perl has been cross-compiled to. Undefined if not a cross-compile.
921 #ifndef USE_CROSS_COMPILE
922 #$usecrosscompile USE_CROSS_COMPILE /**/
923 #define PERL_TARGETARCH "$targetarch" /**/
927 * This symbol contains the name of the operating system, as determined
928 * by Configure. You shouldn't rely on it too much; the specific
929 * feature tests from Configure are generally more reliable.
932 * This symbol contains the version of the operating system, as determined
933 * by Configure. You shouldn't rely on it too much; the specific
934 * feature tests from Configure are generally more reliable.
936 #define OSNAME "$osname" /**/
937 #define OSVERS "$osvers" /**/
940 * This symbol, if defined, signifies that the build
941 * process will produce some binary files that are going to be
942 * used in a cross-platform environment. This is the case for
943 * example with the NeXT "fat" binaries that contain executables
946 #$multiarch MULTIARCH /**/
949 * This symbol contains the number of bytes required to align a
950 * double, or a long double when applicable. Usual values are 2,
951 * 4 and 8. The default is eight, for safety.
953 #if defined(USE_CROSS_COMPILE) || defined(MULTIARCH)
954 # define MEM_ALIGNBYTES 8
956 #define MEM_ALIGNBYTES $alignbytes
960 * This variable, if defined, holds the name of the directory in
961 * which the user wants to put architecture-dependent public
962 * library files for $package. It is most often a local directory
963 * such as /usr/local/lib. Programs using this variable must be
964 * prepared to deal with filename expansion. If ARCHLIB is the
965 * same as PRIVLIB, it is not defined, since presumably the
966 * program already searches PRIVLIB.
969 * This symbol contains the ~name expanded version of ARCHLIB, to be used
970 * in programs that are not prepared to deal with ~ expansion at run-time.
972 #$d_archlib ARCHLIB "$archlib" /**/
973 #$d_archlib ARCHLIB_EXP "$archlibexp" /**/
976 * This symbol holds a string representing the architecture name.
977 * It may be used to construct an architecture-dependant pathname
978 * where library files may be held under a private library, for
981 #define ARCHNAME "$archname" /**/
984 * This symbol, if defined, indicates that the atolf routine is
985 * available to convert strings into long doubles.
987 #$d_atolf HAS_ATOLF /**/
990 * This symbol, if defined, indicates that the atoll routine is
991 * available to convert strings into long longs.
993 #$d_atoll HAS_ATOLL /**/
996 * This symbol holds the path of the bin directory where the package will
997 * be installed. Program must be prepared to deal with ~name substitution.
1000 * This symbol is the filename expanded version of the BIN symbol, for
1001 * programs that do not want to deal with that at run-time.
1003 /* PERL_RELOCATABLE_INC:
1004 * This symbol, if defined, indicates that we'd like to relocate entries
1005 * in @INC at run time based on the location of the perl binary.
1007 #define BIN "$bin" /**/
1008 #define BIN_EXP "$binexp" /**/
1009 #define PERL_RELOCATABLE_INC "$userelocatableinc" /**/
1012 * This symbol contains the value of sizeof(int) so that the C
1013 * preprocessor can make decisions based on it.
1016 * This symbol contains the value of sizeof(long) so that the C
1017 * preprocessor can make decisions based on it.
1020 * This symbol contains the value of sizeof(short) so that the C
1021 * preprocessor can make decisions based on it.
1023 #define INTSIZE $intsize /**/
1024 #define LONGSIZE $longsize /**/
1025 #define SHORTSIZE $shortsize /**/
1028 * This symbol holds the hexadecimal constant defined in byteorder,
1029 * in a UV, i.e. 0x1234 or 0x4321 or 0x12345678, etc...
1030 * If the compiler supports cross-compiling or multiple-architecture
1031 * binaries (eg. on NeXT systems), use compiler-defined macros to
1032 * determine the byte order.
1033 * On NeXT 3.2 (and greater), you can build "Fat" Multiple Architecture
1034 * Binaries (MAB) on either big endian or little endian machines.
1035 * The endian-ness is available at compile-time. This only matters
1036 * for perl, where the config.h can be generated and installed on
1037 * one system, and used by a different architecture to build an
1038 * extension. Older versions of NeXT that might not have
1039 * defined either *_ENDIAN__ were all on Motorola 680x0 series,
1040 * so the default case (for NeXT) is big endian to catch them.
1041 * This might matter for NeXT 3.0.
1043 #if defined(USE_CROSS_COMPILE) || defined(MULTIARCH)
1044 # ifdef __LITTLE_ENDIAN__
1046 # define BYTEORDER 0x1234
1049 # define BYTEORDER 0x12345678
1053 # ifdef __BIG_ENDIAN__
1055 # define BYTEORDER 0x4321
1058 # define BYTEORDER 0x87654321
1063 # if !defined(BYTEORDER) && (defined(NeXT) || defined(__NeXT__))
1064 # define BYTEORDER 0x4321
1067 #define BYTEORDER 0x$byteorder /* large digits for MSB */
1071 * This macro concatenates 2 tokens together.
1074 * This macro surrounds its token with double quotes.
1077 #define CAT2(a,b) a/**/b
1078 #define STRINGIFY(a) "a"
1079 /* If you can get stringification with catify, tell me how! */
1081 #if $cpp_stuff == 42
1082 #define PeRl_CaTiFy(a, b) a ## b
1083 #define PeRl_StGiFy(a) #a
1084 /* the additional level of indirection enables these macros to be
1085 * used as arguments to other macros. See K&R 2nd ed., page 231. */
1086 #define CAT2(a,b) PeRl_CaTiFy(a,b)
1087 #define StGiFy(a) PeRl_StGiFy(a)
1088 #define STRINGIFY(a) PeRl_StGiFy(a)
1090 #if $cpp_stuff != 1 && $cpp_stuff != 42
1091 # include "Bletch: How does this C preprocessor concatenate tokens?"
1095 * This symbol contains the first part of the string which will invoke
1096 * the C preprocessor on the standard input and produce to standard
1097 * output. Typical value of "cc -E" or "/lib/cpp", but it can also
1098 * call a wrapper. See CPPRUN.
1101 * This symbol contains the second part of the string which will invoke
1102 * the C preprocessor on the standard input and produce to standard
1103 * output. This symbol will have the value "-" if CPPSTDIN needs a minus
1104 * to specify standard input, otherwise the value is "".
1107 * This symbol contains the string which will invoke a C preprocessor on
1108 * the standard input and produce to standard output. It needs to end
1109 * with CPPLAST, after all other preprocessor flags have been specified.
1110 * The main difference with CPPSTDIN is that this program will never be a
1111 * pointer to a shell wrapper, i.e. it will be empty if no preprocessor is
1112 * available directly to the user. Note that it may well be different from
1113 * the preprocessor used to compile the C program.
1116 * This symbol is intended to be used along with CPPRUN in the same manner
1117 * symbol CPPMINUS is used with CPPSTDIN. It contains either "-" or "".
1119 #define CPPSTDIN "$cppstdin"
1120 #define CPPMINUS "$cppminus"
1121 #define CPPRUN "$cpprun"
1122 #define CPPLAST "$cpplast"
1125 * This symbol, if defined, indicates that the _fwalk system call is
1126 * available to apply a function to all the file handles.
1128 #$d__fwalk HAS__FWALK /**/
1131 * This manifest constant lets the C program know that the access()
1132 * system call is available to check for accessibility using real UID/GID.
1133 * (always present on UNIX.)
1135 #$d_access HAS_ACCESS /**/
1138 * This symbol, if defined, indicates that the aintl routine is
1139 * available. If copysignl is also present we can emulate modfl.
1141 #$d_aintl HAS_AINTL /**/
1144 * This symbol, if defined, indicates that the asctime_r routine
1145 * is available to asctime re-entrantly.
1148 * This symbol encodes the prototype of asctime_r.
1149 * It is zero if d_asctime_r is undef, and one of the
1150 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_asctime_r
1153 #$d_asctime_r HAS_ASCTIME_R /**/
1154 #define ASCTIME_R_PROTO $asctime_r_proto /**/
1156 /* HASATTRIBUTE_FORMAT:
1157 * Can we handle GCC attribute for checking printf-style formats
1159 /* HASATTRIBUTE_MALLOC:
1160 * Can we handle GCC attribute for malloc-style functions.
1162 /* HASATTRIBUTE_NONNULL:
1163 * Can we handle GCC attribute for nonnull function parms.
1165 /* HASATTRIBUTE_NORETURN:
1166 * Can we handle GCC attribute for functions that do not return
1168 /* HASATTRIBUTE_PURE:
1169 * Can we handle GCC attribute for pure functions
1171 /* HASATTRIBUTE_UNUSED:
1172 * Can we handle GCC attribute for unused variables and arguments
1174 /* HASATTRIBUTE_WARN_UNUSED_RESULT:
1175 * Can we handle GCC attribute for warning on unused results
1177 #$d_attribute_format HASATTRIBUTE_FORMAT /**/
1178 #$d_attribute_noreturn HASATTRIBUTE_NORETURN /**/
1179 #$d_attribute_malloc HASATTRIBUTE_MALLOC /**/
1180 #$d_attribute_nonnull HASATTRIBUTE_NONNULL /**/
1181 #$d_attribute_pure HASATTRIBUTE_PURE /**/
1182 #$d_attribute_unused HASATTRIBUTE_UNUSED /**/
1183 #$d_attribute_warn_unused_result HASATTRIBUTE_WARN_UNUSED_RESULT /**/
1185 /* HAS_BUILTIN_CHOOSE_EXPR:
1186 * Can we handle GCC builtin for compile-time ternary-like expressions
1188 /* HAS_BUILTIN_EXPECT:
1189 * Can we handle GCC builtin for telling that certain values are more
1192 #$d_builtin_expect HAS_BUILTIN_EXPECT /**/
1193 #$d_builtin_choose_expr HAS_BUILTIN_CHOOSE_EXPR /**/
1195 /* HAS_C99_VARIADIC_MACROS:
1196 * If defined, the compiler supports C99 variadic macros.
1198 #$d_c99_variadic_macros HAS_C99_VARIADIC_MACROS /**/
1201 * This symbol is defined if the C compiler can cast negative
1202 * or large floating point numbers to 32-bit ints.
1204 #$d_casti32 CASTI32 /**/
1207 * This symbol is defined if the C compiler can cast negative
1208 * numbers to unsigned longs, ints and shorts.
1211 * This symbol contains flags that say what difficulties the compiler
1212 * has casting odd floating values to unsigned long:
1214 * 1 = couldn't cast < 0
1215 * 2 = couldn't cast >= 0x80000000
1216 * 4 = couldn't cast in argument expression list
1218 #$d_castneg CASTNEGFLOAT /**/
1219 #define CASTFLAGS $castflags /**/
1222 * This symbol, if defined, indicates that the class routine is
1223 * available to classify doubles. Available for example in AIX.
1224 * The returned values are defined in <float.h> and are:
1226 * FP_PLUS_NORM Positive normalized, nonzero
1227 * FP_MINUS_NORM Negative normalized, nonzero
1228 * FP_PLUS_DENORM Positive denormalized, nonzero
1229 * FP_MINUS_DENORM Negative denormalized, nonzero
1231 * FP_MINUS_ZERO -0.0
1234 * FP_NANS Signaling Not a Number (NaNS)
1235 * FP_NANQ Quiet Not a Number (NaNQ)
1237 #$d_class HAS_CLASS /**/
1240 * This symbol, if defined, indicates that the clearenv () routine is
1241 * available for use.
1243 #$d_clearenv HAS_CLEARENV /**/
1246 * This symbol, if defined, indicates that the closedir() routine
1247 * does not return a value.
1249 #$d_void_closedir VOID_CLOSEDIR /**/
1251 /* HAS_STRUCT_CMSGHDR:
1252 * This symbol, if defined, indicates that the struct cmsghdr
1255 #$d_cmsghdr_s HAS_STRUCT_CMSGHDR /**/
1258 * This symbol, if defined, indicates that this C compiler knows about
1259 * the const type. There is no need to actually test for that symbol
1260 * within your programs. The mere use of the "const" keyword will
1261 * trigger the necessary tests.
1263 #$d_const HASCONST /**/
1269 * This symbol, if defined, indicates that the copysignl routine is
1270 * available. If aintl is also present we can emulate modfl.
1272 #$d_copysignl HAS_COPYSIGNL /**/
1275 * This symbol, if defined, indicates that a C++ compiler was
1276 * used to compiled Perl and will be used to compile extensions.
1278 #$d_cplusplus USE_CPLUSPLUS /**/
1281 * This symbol, if defined, indicates that the crypt routine is available
1282 * to encrypt passwords and the like.
1284 #$d_crypt HAS_CRYPT /**/
1287 * This symbol, if defined, indicates that the crypt_r routine
1288 * is available to crypt re-entrantly.
1291 * This symbol encodes the prototype of crypt_r.
1292 * It is zero if d_crypt_r is undef, and one of the
1293 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_crypt_r
1296 #$d_crypt_r HAS_CRYPT_R /**/
1297 #define CRYPT_R_PROTO $crypt_r_proto /**/
1300 * This symbol, if defined, indicates that the C-shell exists.
1303 * This symbol, if defined, contains the full pathname of csh.
1305 #$d_csh HAS_CSH /**/
1307 #define CSH "$full_csh" /**/
1311 * This symbol, if defined, indicates that the ctermid_r routine
1312 * is available to ctermid re-entrantly.
1315 * This symbol encodes the prototype of ctermid_r.
1316 * It is zero if d_ctermid_r is undef, and one of the
1317 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctermid_r
1320 #$d_ctermid_r HAS_CTERMID_R /**/
1321 #define CTERMID_R_PROTO $ctermid_r_proto /**/
1324 * This symbol, if defined, indicates that the ctime_r routine
1325 * is available to ctime re-entrantly.
1328 * This symbol encodes the prototype of ctime_r.
1329 * It is zero if d_ctime_r is undef, and one of the
1330 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctime_r
1333 #$d_ctime_r HAS_CTIME_R /**/
1334 #define CTIME_R_PROTO $ctime_r_proto /**/
1336 /* HAS_DBMINIT_PROTO:
1337 * This symbol, if defined, indicates that the system provides
1338 * a prototype for the dbminit() function. Otherwise, it is up
1339 * to the program to supply one. A good guess is
1340 * extern int dbminit(char *);
1342 #$d_dbminitproto HAS_DBMINIT_PROTO /**/
1345 * This manifest constant lets the C program know that dirfd
1348 #$d_dirfd HAS_DIRFD /**/
1350 /* DLSYM_NEEDS_UNDERSCORE:
1351 * This symbol, if defined, indicates that we need to prepend an
1352 * underscore to the symbol name before calling dlsym(). This only
1353 * makes sense if you *have* dlsym, which we will presume is the
1354 * case if you're using dl_dlopen.xs.
1356 #$d_dlsymun DLSYM_NEEDS_UNDERSCORE /**/
1358 /* SETUID_SCRIPTS_ARE_SECURE_NOW:
1359 * This symbol, if defined, indicates that the bug that prevents
1360 * setuid scripts from being secure is not present in this kernel.
1363 * This symbol, if defined, indicates that the C program should
1364 * check the script that it is executing for setuid/setgid bits, and
1365 * attempt to emulate setuid/setgid on systems that have disabled
1366 * setuid #! scripts because the kernel can't do it securely.
1367 * It is up to the package designer to make sure that this emulation
1368 * is done securely. Among other things, it should do an fstat on
1369 * the script it just opened to make sure it really is a setuid/setgid
1370 * script, it should make sure the arguments passed correspond exactly
1371 * to the argument on the #! line, and it should not trust any
1372 * subprocesses to which it must pass the filename rather than the
1373 * file descriptor of the script to be executed.
1375 #$d_suidsafe SETUID_SCRIPTS_ARE_SECURE_NOW /**/
1376 #$d_dosuid DOSUID /**/
1379 * This symbol, if defined, indicates that the drand48_r routine
1380 * is available to drand48 re-entrantly.
1383 * This symbol encodes the prototype of drand48_r.
1384 * It is zero if d_drand48_r is undef, and one of the
1385 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
1388 #$d_drand48_r HAS_DRAND48_R /**/
1389 #define DRAND48_R_PROTO $drand48_r_proto /**/
1391 /* HAS_DRAND48_PROTO:
1392 * This symbol, if defined, indicates that the system provides
1393 * a prototype for the drand48() function. Otherwise, it is up
1394 * to the program to supply one. A good guess is
1395 * extern double drand48(void);
1397 #$d_drand48proto HAS_DRAND48_PROTO /**/
1400 * This symbol, if defined, indicates that the getgrent routine is
1401 * available for finalizing sequential access of the group database.
1403 #$d_endgrent HAS_ENDGRENT /**/
1406 * This symbol, if defined, indicates that the endgrent_r routine
1407 * is available to endgrent re-entrantly.
1409 /* ENDGRENT_R_PROTO:
1410 * This symbol encodes the prototype of endgrent_r.
1411 * It is zero if d_endgrent_r is undef, and one of the
1412 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endgrent_r
1415 #$d_endgrent_r HAS_ENDGRENT_R /**/
1416 #define ENDGRENT_R_PROTO $endgrent_r_proto /**/
1419 * This symbol, if defined, indicates that the endhostent() routine is
1420 * available to close whatever was being used for host queries.
1422 #$d_endhent HAS_ENDHOSTENT /**/
1424 /* HAS_ENDHOSTENT_R:
1425 * This symbol, if defined, indicates that the endhostent_r routine
1426 * is available to endhostent re-entrantly.
1428 /* ENDHOSTENT_R_PROTO:
1429 * This symbol encodes the prototype of endhostent_r.
1430 * It is zero if d_endhostent_r is undef, and one of the
1431 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endhostent_r
1434 #$d_endhostent_r HAS_ENDHOSTENT_R /**/
1435 #define ENDHOSTENT_R_PROTO $endhostent_r_proto /**/
1438 * This symbol, if defined, indicates that the endnetent() routine is
1439 * available to close whatever was being used for network queries.
1441 #$d_endnent HAS_ENDNETENT /**/
1444 * This symbol, if defined, indicates that the endnetent_r routine
1445 * is available to endnetent re-entrantly.
1447 /* ENDNETENT_R_PROTO:
1448 * This symbol encodes the prototype of endnetent_r.
1449 * It is zero if d_endnetent_r is undef, and one of the
1450 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endnetent_r
1453 #$d_endnetent_r HAS_ENDNETENT_R /**/
1454 #define ENDNETENT_R_PROTO $endnetent_r_proto /**/
1457 * This symbol, if defined, indicates that the endprotoent() routine is
1458 * available to close whatever was being used for protocol queries.
1460 #$d_endpent HAS_ENDPROTOENT /**/
1462 /* HAS_ENDPROTOENT_R:
1463 * This symbol, if defined, indicates that the endprotoent_r routine
1464 * is available to endprotoent re-entrantly.
1466 /* ENDPROTOENT_R_PROTO:
1467 * This symbol encodes the prototype of endprotoent_r.
1468 * It is zero if d_endprotoent_r is undef, and one of the
1469 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endprotoent_r
1472 #$d_endprotoent_r HAS_ENDPROTOENT_R /**/
1473 #define ENDPROTOENT_R_PROTO $endprotoent_r_proto /**/
1476 * This symbol, if defined, indicates that the getgrent routine is
1477 * available for finalizing sequential access of the passwd database.
1479 #$d_endpwent HAS_ENDPWENT /**/
1482 * This symbol, if defined, indicates that the endpwent_r routine
1483 * is available to endpwent re-entrantly.
1485 /* ENDPWENT_R_PROTO:
1486 * This symbol encodes the prototype of endpwent_r.
1487 * It is zero if d_endpwent_r is undef, and one of the
1488 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endpwent_r
1491 #$d_endpwent_r HAS_ENDPWENT_R /**/
1492 #define ENDPWENT_R_PROTO $endpwent_r_proto /**/
1495 * This symbol, if defined, indicates that the endservent() routine is
1496 * available to close whatever was being used for service queries.
1498 #$d_endsent HAS_ENDSERVENT /**/
1500 /* HAS_ENDSERVENT_R:
1501 * This symbol, if defined, indicates that the endservent_r routine
1502 * is available to endservent re-entrantly.
1504 /* ENDSERVENT_R_PROTO:
1505 * This symbol encodes the prototype of endservent_r.
1506 * It is zero if d_endservent_r is undef, and one of the
1507 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endservent_r
1510 #$d_endservent_r HAS_ENDSERVENT_R /**/
1511 #define ENDSERVENT_R_PROTO $endservent_r_proto /**/
1514 * This symbol, if defined, indicates that the "fast stdio"
1515 * is available to manipulate the stdio buffers directly.
1517 #$d_faststdio HAS_FAST_STDIO /**/
1520 * This symbol, if defined, indicates that the fchdir routine is
1521 * available to change directory using a file descriptor.
1523 #$d_fchdir HAS_FCHDIR /**/
1526 * This symbol, if defined, indicates that fcntl() can be used
1527 * for file locking. Normally on Unix systems this is defined.
1528 * It may be undefined on VMS.
1530 #$d_fcntl_can_lock FCNTL_CAN_LOCK /**/
1533 * This symbol, when defined, indicates presence of the fd_set typedef
1536 #$d_fd_set HAS_FD_SET /**/
1539 * This symbol, if defined, indicates that the finite routine is
1540 * available to check whether a double is finite (non-infinity non-NaN).
1542 #$d_finite HAS_FINITE /**/
1545 * This symbol, if defined, indicates that the finitel routine is
1546 * available to check whether a long double is finite
1547 * (non-infinity non-NaN).
1549 #$d_finitel HAS_FINITEL /**/
1552 * This symbol, if defined, indicates that the system supports filenames
1553 * longer than 14 characters.
1555 #$d_flexfnam FLEXFILENAMES /**/
1558 * This symbol, if defined, indicates that the system provides
1559 * a prototype for the flock() function. Otherwise, it is up
1560 * to the program to supply one. A good guess is
1561 * extern int flock(int, int);
1563 #$d_flockproto HAS_FLOCK_PROTO /**/
1566 * This symbol, if defined, indicates that the fp_class routine is
1567 * available to classify doubles. Available for example in Digital UNIX.
1568 * The returned values are defined in <math.h> and are:
1570 * FP_SNAN Signaling NaN (Not-a-Number)
1571 * FP_QNAN Quiet NaN (Not-a-Number)
1572 * FP_POS_INF +infinity
1573 * FP_NEG_INF -infinity
1574 * FP_POS_NORM Positive normalized
1575 * FP_NEG_NORM Negative normalized
1576 * FP_POS_DENORM Positive denormalized
1577 * FP_NEG_DENORM Negative denormalized
1578 * FP_POS_ZERO +0.0 (positive zero)
1579 * FP_NEG_ZERO -0.0 (negative zero)
1581 #$d_fp_class HAS_FP_CLASS /**/
1584 * This symbol, if defined, indicates that the fpclass routine is
1585 * available to classify doubles. Available for example in Solaris/SVR4.
1586 * The returned values are defined in <ieeefp.h> and are:
1588 * FP_SNAN signaling NaN
1590 * FP_NINF negative infinity
1591 * FP_PINF positive infinity
1592 * FP_NDENORM negative denormalized non-zero
1593 * FP_PDENORM positive denormalized non-zero
1594 * FP_NZERO negative zero
1595 * FP_PZERO positive zero
1596 * FP_NNORM negative normalized non-zero
1597 * FP_PNORM positive normalized non-zero
1599 #$d_fpclass HAS_FPCLASS /**/
1602 * This symbol, if defined, indicates that the fpclassify routine is
1603 * available to classify doubles. Available for example in HP-UX.
1604 * The returned values are defined in <math.h> and are
1606 * FP_NORMAL Normalized
1608 * FP_INFINITE Infinity
1609 * FP_SUBNORMAL Denormalized
1613 #$d_fpclassify HAS_FPCLASSIFY /**/
1616 * This symbol, if defined, indicates that the fpclassl routine is
1617 * available to classify long doubles. Available for example in IRIX.
1618 * The returned values are defined in <ieeefp.h> and are:
1620 * FP_SNAN signaling NaN
1622 * FP_NINF negative infinity
1623 * FP_PINF positive infinity
1624 * FP_NDENORM negative denormalized non-zero
1625 * FP_PDENORM positive denormalized non-zero
1626 * FP_NZERO negative zero
1627 * FP_PZERO positive zero
1628 * FP_NNORM negative normalized non-zero
1629 * FP_PNORM positive normalized non-zero
1631 #$d_fpclassl HAS_FPCLASSL /**/
1634 * This symbol will be defined if the C compiler supports fpos64_t.
1636 #$d_fpos64_t HAS_FPOS64_T /**/
1639 * This symbol, if defined, indicates that the frexpl routine is
1640 * available to break a long double floating-point number into
1641 * a normalized fraction and an integral power of 2.
1643 #$d_frexpl HAS_FREXPL /**/
1645 /* HAS_STRUCT_FS_DATA:
1646 * This symbol, if defined, indicates that the struct fs_data
1647 * to do statfs() is supported.
1649 #$d_fs_data_s HAS_STRUCT_FS_DATA /**/
1652 * This symbol, if defined, indicates that the fseeko routine is
1653 * available to fseek beyond 32 bits (useful for ILP32 hosts).
1655 #$d_fseeko HAS_FSEEKO /**/
1658 * This symbol, if defined, indicates that the fstatfs routine is
1659 * available to stat filesystems by file descriptors.
1661 #$d_fstatfs HAS_FSTATFS /**/
1664 * This symbol, if defined, indicates that the fsync routine is
1665 * available to write a file's modified data and attributes to
1666 * permanent storage.
1668 #$d_fsync HAS_FSYNC /**/
1671 * This symbol, if defined, indicates that the ftello routine is
1672 * available to ftell beyond 32 bits (useful for ILP32 hosts).
1674 #$d_ftello HAS_FTELLO /**/
1677 * This symbol, if defined, indicates that the futimes routine is
1678 * available to change file descriptor time stamps with struct timevals.
1680 #$d_futimes HAS_FUTIMES /**/
1683 * This preprocessor macro is defined to convert a floating point
1684 * number to a string without a trailing decimal point. This
1685 * emulates the behavior of sprintf("%g"), but is sometimes much more
1686 * efficient. If gconvert() is not available, but gcvt() drops the
1687 * trailing decimal point, then gcvt() is used. If all else fails,
1688 * a macro using sprintf("%g") is used. Arguments for the Gconvert
1689 * macro are: value, number of digits, whether trailing zeros should
1690 * be retained, and the output buffer.
1691 * The usual values are:
1692 * d_Gconvert='gconvert((x),(n),(t),(b))'
1693 * d_Gconvert='gcvt((x),(n),(b))'
1694 * d_Gconvert='sprintf((b),"%.*g",(n),(x))'
1695 * The last two assume trailing zeros should not be kept.
1697 #define Gconvert(x,n,t,b) $d_Gconvert
1700 * This symbol, if defined, indicates that the getcwd routine is
1701 * available to get the current working directory.
1703 #$d_getcwd HAS_GETCWD /**/
1706 * This symbol, if defined, indicates that the getespwnam system call is
1707 * available to retrieve enchanced (shadow) password entries by name.
1709 #$d_getespwnam HAS_GETESPWNAM /**/
1712 * This symbol, if defined, indicates that the getfsstat routine is
1713 * available to stat filesystems in bulk.
1715 #$d_getfsstat HAS_GETFSSTAT /**/
1718 * This symbol, if defined, indicates that the getgrent routine is
1719 * available for sequential access of the group database.
1721 #$d_getgrent HAS_GETGRENT /**/
1724 * This symbol, if defined, indicates that the getgrent_r routine
1725 * is available to getgrent re-entrantly.
1727 /* GETGRENT_R_PROTO:
1728 * This symbol encodes the prototype of getgrent_r.
1729 * It is zero if d_getgrent_r is undef, and one of the
1730 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrent_r
1733 #$d_getgrent_r HAS_GETGRENT_R /**/
1734 #define GETGRENT_R_PROTO $getgrent_r_proto /**/
1737 * This symbol, if defined, indicates that the getgrgid_r routine
1738 * is available to getgrgid re-entrantly.
1740 /* GETGRGID_R_PROTO:
1741 * This symbol encodes the prototype of getgrgid_r.
1742 * It is zero if d_getgrgid_r is undef, and one of the
1743 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrgid_r
1746 #$d_getgrgid_r HAS_GETGRGID_R /**/
1747 #define GETGRGID_R_PROTO $getgrgid_r_proto /**/
1750 * This symbol, if defined, indicates that the getgrnam_r routine
1751 * is available to getgrnam re-entrantly.
1753 /* GETGRNAM_R_PROTO:
1754 * This symbol encodes the prototype of getgrnam_r.
1755 * It is zero if d_getgrnam_r is undef, and one of the
1756 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrnam_r
1759 #$d_getgrnam_r HAS_GETGRNAM_R /**/
1760 #define GETGRNAM_R_PROTO $getgrnam_r_proto /**/
1762 /* HAS_GETHOSTBYADDR:
1763 * This symbol, if defined, indicates that the gethostbyaddr() routine is
1764 * available to look up hosts by their IP addresses.
1766 #$d_gethbyaddr HAS_GETHOSTBYADDR /**/
1768 /* HAS_GETHOSTBYNAME:
1769 * This symbol, if defined, indicates that the gethostbyname() routine is
1770 * available to look up host names in some data base or other.
1772 #$d_gethbyname HAS_GETHOSTBYNAME /**/
1775 * This symbol, if defined, indicates that the gethostent() routine is
1776 * available to look up host names in some data base or another.
1778 #$d_gethent HAS_GETHOSTENT /**/
1781 * This symbol, if defined, indicates that the C program may use the
1782 * gethostname() routine to derive the host name. See also HAS_UNAME
1786 * This symbol, if defined, indicates that the C program may use the
1787 * uname() routine to derive the host name. See also HAS_GETHOSTNAME
1791 * This symbol, if defined, indicates the command to feed to the
1792 * popen() routine to derive the host name. See also HAS_GETHOSTNAME
1793 * and HAS_UNAME. Note that the command uses a fully qualified path,
1794 * so that it is safe even if used by a process with super-user
1798 * This symbol, if defined, indicates that the C program may use the
1799 * contents of PHOSTNAME as a command to feed to the popen() routine
1800 * to derive the host name.
1802 #$d_gethname HAS_GETHOSTNAME /**/
1803 #$d_uname HAS_UNAME /**/
1804 #$d_phostname HAS_PHOSTNAME /**/
1805 #ifdef HAS_PHOSTNAME
1806 #define PHOSTNAME "$aphostname" /* How to get the host name */
1809 /* HAS_GETHOSTBYADDR_R:
1810 * This symbol, if defined, indicates that the gethostbyaddr_r routine
1811 * is available to gethostbyaddr re-entrantly.
1813 /* GETHOSTBYADDR_R_PROTO:
1814 * This symbol encodes the prototype of gethostbyaddr_r.
1815 * It is zero if d_gethostbyaddr_r is undef, and one of the
1816 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyaddr_r
1819 #$d_gethostbyaddr_r HAS_GETHOSTBYADDR_R /**/
1820 #define GETHOSTBYADDR_R_PROTO $gethostbyaddr_r_proto /**/
1822 /* HAS_GETHOSTBYNAME_R:
1823 * This symbol, if defined, indicates that the gethostbyname_r routine
1824 * is available to gethostbyname re-entrantly.
1826 /* GETHOSTBYNAME_R_PROTO:
1827 * This symbol encodes the prototype of gethostbyname_r.
1828 * It is zero if d_gethostbyname_r is undef, and one of the
1829 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyname_r
1832 #$d_gethostbyname_r HAS_GETHOSTBYNAME_R /**/
1833 #define GETHOSTBYNAME_R_PROTO $gethostbyname_r_proto /**/
1835 /* HAS_GETHOSTENT_R:
1836 * This symbol, if defined, indicates that the gethostent_r routine
1837 * is available to gethostent re-entrantly.
1839 /* GETHOSTENT_R_PROTO:
1840 * This symbol encodes the prototype of gethostent_r.
1841 * It is zero if d_gethostent_r is undef, and one of the
1842 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostent_r
1845 #$d_gethostent_r HAS_GETHOSTENT_R /**/
1846 #define GETHOSTENT_R_PROTO $gethostent_r_proto /**/
1848 /* HAS_GETHOST_PROTOS:
1849 * This symbol, if defined, indicates that <netdb.h> includes
1850 * prototypes for gethostent(), gethostbyname(), and
1851 * gethostbyaddr(). Otherwise, it is up to the program to guess
1852 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
1854 #$d_gethostprotos HAS_GETHOST_PROTOS /**/
1857 * This symbol, if defined, indicates that the getitimer routine is
1858 * available to return interval timers.
1860 #$d_getitimer HAS_GETITIMER /**/
1863 * This symbol, if defined, indicates that the getlogin_r routine
1864 * is available to getlogin re-entrantly.
1866 /* GETLOGIN_R_PROTO:
1867 * This symbol encodes the prototype of getlogin_r.
1868 * It is zero if d_getlogin_r is undef, and one of the
1869 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getlogin_r
1872 #$d_getlogin_r HAS_GETLOGIN_R /**/
1873 #define GETLOGIN_R_PROTO $getlogin_r_proto /**/
1876 * This symbol, if defined, indicates that the getmnt routine is
1877 * available to get filesystem mount info by filename.
1879 #$d_getmnt HAS_GETMNT /**/
1882 * This symbol, if defined, indicates that the getmntent routine is
1883 * available to iterate through mounted file systems to get their info.
1885 #$d_getmntent HAS_GETMNTENT /**/
1887 /* HAS_GETNETBYADDR:
1888 * This symbol, if defined, indicates that the getnetbyaddr() routine is
1889 * available to look up networks by their IP addresses.
1891 #$d_getnbyaddr HAS_GETNETBYADDR /**/
1893 /* HAS_GETNETBYNAME:
1894 * This symbol, if defined, indicates that the getnetbyname() routine is
1895 * available to look up networks by their names.
1897 #$d_getnbyname HAS_GETNETBYNAME /**/
1900 * This symbol, if defined, indicates that the getnetent() routine is
1901 * available to look up network names in some data base or another.
1903 #$d_getnent HAS_GETNETENT /**/
1905 /* HAS_GETNETBYADDR_R:
1906 * This symbol, if defined, indicates that the getnetbyaddr_r routine
1907 * is available to getnetbyaddr re-entrantly.
1909 /* GETNETBYADDR_R_PROTO:
1910 * This symbol encodes the prototype of getnetbyaddr_r.
1911 * It is zero if d_getnetbyaddr_r is undef, and one of the
1912 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyaddr_r
1915 #$d_getnetbyaddr_r HAS_GETNETBYADDR_R /**/
1916 #define GETNETBYADDR_R_PROTO $getnetbyaddr_r_proto /**/
1918 /* HAS_GETNETBYNAME_R:
1919 * This symbol, if defined, indicates that the getnetbyname_r routine
1920 * is available to getnetbyname re-entrantly.
1922 /* GETNETBYNAME_R_PROTO:
1923 * This symbol encodes the prototype of getnetbyname_r.
1924 * It is zero if d_getnetbyname_r is undef, and one of the
1925 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyname_r
1928 #$d_getnetbyname_r HAS_GETNETBYNAME_R /**/
1929 #define GETNETBYNAME_R_PROTO $getnetbyname_r_proto /**/
1932 * This symbol, if defined, indicates that the getnetent_r routine
1933 * is available to getnetent re-entrantly.
1935 /* GETNETENT_R_PROTO:
1936 * This symbol encodes the prototype of getnetent_r.
1937 * It is zero if d_getnetent_r is undef, and one of the
1938 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetent_r
1941 #$d_getnetent_r HAS_GETNETENT_R /**/
1942 #define GETNETENT_R_PROTO $getnetent_r_proto /**/
1944 /* HAS_GETNET_PROTOS:
1945 * This symbol, if defined, indicates that <netdb.h> includes
1946 * prototypes for getnetent(), getnetbyname(), and
1947 * getnetbyaddr(). Otherwise, it is up to the program to guess
1948 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
1950 #$d_getnetprotos HAS_GETNET_PROTOS /**/
1953 * This symbol, if defined, indicates that the getpagesize system call
1954 * is available to get system page size, which is the granularity of
1955 * many memory management calls.
1957 #$d_getpagsz HAS_GETPAGESIZE /**/
1960 * This symbol, if defined, indicates that the getprotoent() routine is
1961 * available to look up protocols in some data base or another.
1963 #$d_getpent HAS_GETPROTOENT /**/
1966 * This symbol, if defined, indicates that the getpgrp routine is
1967 * available to get the current process group.
1970 * This symbol, if defined, indicates that getpgrp needs one
1971 * arguments whereas USG one needs none.
1973 #$d_getpgrp HAS_GETPGRP /**/
1974 #$d_bsdgetpgrp USE_BSD_GETPGRP /**/
1976 /* HAS_GETPROTOBYNAME:
1977 * This symbol, if defined, indicates that the getprotobyname()
1978 * routine is available to look up protocols by their name.
1980 /* HAS_GETPROTOBYNUMBER:
1981 * This symbol, if defined, indicates that the getprotobynumber()
1982 * routine is available to look up protocols by their number.
1984 #$d_getpbyname HAS_GETPROTOBYNAME /**/
1985 #$d_getpbynumber HAS_GETPROTOBYNUMBER /**/
1987 /* HAS_GETPROTOBYNAME_R:
1988 * This symbol, if defined, indicates that the getprotobyname_r routine
1989 * is available to getprotobyname re-entrantly.
1991 /* GETPROTOBYNAME_R_PROTO:
1992 * This symbol encodes the prototype of getprotobyname_r.
1993 * It is zero if d_getprotobyname_r is undef, and one of the
1994 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobyname_r
1997 #$d_getprotobyname_r HAS_GETPROTOBYNAME_R /**/
1998 #define GETPROTOBYNAME_R_PROTO $getprotobyname_r_proto /**/
2000 /* HAS_GETPROTOBYNUMBER_R:
2001 * This symbol, if defined, indicates that the getprotobynumber_r routine
2002 * is available to getprotobynumber re-entrantly.
2004 /* GETPROTOBYNUMBER_R_PROTO:
2005 * This symbol encodes the prototype of getprotobynumber_r.
2006 * It is zero if d_getprotobynumber_r is undef, and one of the
2007 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobynumber_r
2010 #$d_getprotobynumber_r HAS_GETPROTOBYNUMBER_R /**/
2011 #define GETPROTOBYNUMBER_R_PROTO $getprotobynumber_r_proto /**/
2013 /* HAS_GETPROTOENT_R:
2014 * This symbol, if defined, indicates that the getprotoent_r routine
2015 * is available to getprotoent re-entrantly.
2017 /* GETPROTOENT_R_PROTO:
2018 * This symbol encodes the prototype of getprotoent_r.
2019 * It is zero if d_getprotoent_r is undef, and one of the
2020 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotoent_r
2023 #$d_getprotoent_r HAS_GETPROTOENT_R /**/
2024 #define GETPROTOENT_R_PROTO $getprotoent_r_proto /**/
2026 /* HAS_GETPROTO_PROTOS:
2027 * This symbol, if defined, indicates that <netdb.h> includes
2028 * prototypes for getprotoent(), getprotobyname(), and
2029 * getprotobyaddr(). Otherwise, it is up to the program to guess
2030 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
2032 #$d_getprotoprotos HAS_GETPROTO_PROTOS /**/
2035 * This symbol, if defined, indicates that the getprpwnam system call is
2036 * available to retrieve protected (shadow) password entries by name.
2038 #$d_getprpwnam HAS_GETPRPWNAM /**/
2041 * This symbol, if defined, indicates that the getpwent routine is
2042 * available for sequential access of the passwd database.
2043 * If this is not available, the older getpw() function may be available.
2045 #$d_getpwent HAS_GETPWENT /**/
2048 * This symbol, if defined, indicates that the getpwent_r routine
2049 * is available to getpwent re-entrantly.
2051 /* GETPWENT_R_PROTO:
2052 * This symbol encodes the prototype of getpwent_r.
2053 * It is zero if d_getpwent_r is undef, and one of the
2054 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwent_r
2057 #$d_getpwent_r HAS_GETPWENT_R /**/
2058 #define GETPWENT_R_PROTO $getpwent_r_proto /**/
2061 * This symbol, if defined, indicates that the getpwnam_r routine
2062 * is available to getpwnam re-entrantly.
2064 /* GETPWNAM_R_PROTO:
2065 * This symbol encodes the prototype of getpwnam_r.
2066 * It is zero if d_getpwnam_r is undef, and one of the
2067 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwnam_r
2070 #$d_getpwnam_r HAS_GETPWNAM_R /**/
2071 #define GETPWNAM_R_PROTO $getpwnam_r_proto /**/
2074 * This symbol, if defined, indicates that the getpwuid_r routine
2075 * is available to getpwuid re-entrantly.
2077 /* GETPWUID_R_PROTO:
2078 * This symbol encodes the prototype of getpwuid_r.
2079 * It is zero if d_getpwuid_r is undef, and one of the
2080 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwuid_r
2083 #$d_getpwuid_r HAS_GETPWUID_R /**/
2084 #define GETPWUID_R_PROTO $getpwuid_r_proto /**/
2087 * This symbol, if defined, indicates that the getservent() routine is
2088 * available to look up network services in some data base or another.
2090 #$d_getsent HAS_GETSERVENT /**/
2092 /* HAS_GETSERVBYNAME_R:
2093 * This symbol, if defined, indicates that the getservbyname_r routine
2094 * is available to getservbyname re-entrantly.
2096 /* GETSERVBYNAME_R_PROTO:
2097 * This symbol encodes the prototype of getservbyname_r.
2098 * It is zero if d_getservbyname_r is undef, and one of the
2099 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyname_r
2102 #$d_getservbyname_r HAS_GETSERVBYNAME_R /**/
2103 #define GETSERVBYNAME_R_PROTO $getservbyname_r_proto /**/
2105 /* HAS_GETSERVBYPORT_R:
2106 * This symbol, if defined, indicates that the getservbyport_r routine
2107 * is available to getservbyport re-entrantly.
2109 /* GETSERVBYPORT_R_PROTO:
2110 * This symbol encodes the prototype of getservbyport_r.
2111 * It is zero if d_getservbyport_r is undef, and one of the
2112 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyport_r
2115 #$d_getservbyport_r HAS_GETSERVBYPORT_R /**/
2116 #define GETSERVBYPORT_R_PROTO $getservbyport_r_proto /**/
2118 /* HAS_GETSERVENT_R:
2119 * This symbol, if defined, indicates that the getservent_r routine
2120 * is available to getservent re-entrantly.
2122 /* GETSERVENT_R_PROTO:
2123 * This symbol encodes the prototype of getservent_r.
2124 * It is zero if d_getservent_r is undef, and one of the
2125 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservent_r
2128 #$d_getservent_r HAS_GETSERVENT_R /**/
2129 #define GETSERVENT_R_PROTO $getservent_r_proto /**/
2131 /* HAS_GETSERV_PROTOS:
2132 * This symbol, if defined, indicates that <netdb.h> includes
2133 * prototypes for getservent(), getservbyname(), and
2134 * getservbyaddr(). Otherwise, it is up to the program to guess
2135 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
2137 #$d_getservprotos HAS_GETSERV_PROTOS /**/
2140 * This symbol, if defined, indicates that the getspnam system call is
2141 * available to retrieve SysV shadow password entries by name.
2143 #$d_getspnam HAS_GETSPNAM /**/
2146 * This symbol, if defined, indicates that the getspnam_r routine
2147 * is available to getspnam re-entrantly.
2149 /* GETSPNAM_R_PROTO:
2150 * This symbol encodes the prototype of getspnam_r.
2151 * It is zero if d_getspnam_r is undef, and one of the
2152 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getspnam_r
2155 #$d_getspnam_r HAS_GETSPNAM_R /**/
2156 #define GETSPNAM_R_PROTO $getspnam_r_proto /**/
2158 /* HAS_GETSERVBYNAME:
2159 * This symbol, if defined, indicates that the getservbyname()
2160 * routine is available to look up services by their name.
2162 /* HAS_GETSERVBYPORT:
2163 * This symbol, if defined, indicates that the getservbyport()
2164 * routine is available to look up services by their port.
2166 #$d_getsbyname HAS_GETSERVBYNAME /**/
2167 #$d_getsbyport HAS_GETSERVBYPORT /**/
2170 * This symbol, if defined, indicates that the gmtime_r routine
2171 * is available to gmtime re-entrantly.
2174 * This symbol encodes the prototype of gmtime_r.
2175 * It is zero if d_gmtime_r is undef, and one of the
2176 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gmtime_r
2179 #$d_gmtime_r HAS_GMTIME_R /**/
2180 #define GMTIME_R_PROTO $gmtime_r_proto /**/
2183 * This symbol, if defined, indicates to the C program that
2184 * the GNU C library is being used. A better check is to use
2185 * the __GLIBC__ and __GLIBC_MINOR__ symbols supplied with glibc.
2187 #$d_gnulibc HAS_GNULIBC /**/
2188 #if defined(HAS_GNULIBC) && !defined(_GNU_SOURCE)
2189 # define _GNU_SOURCE
2192 * This symbol, if defined, indicates that the hasmntopt routine is
2193 * available to query the mount options of file systems.
2195 #$d_hasmntopt HAS_HASMNTOPT /**/
2198 * This symbol, if defined, indicates that the htonl() routine (and
2199 * friends htons() ntohl() ntohs()) are available to do network
2200 * order byte swapping.
2203 * This symbol, if defined, indicates that the htons() routine (and
2204 * friends htonl() ntohl() ntohs()) are available to do network
2205 * order byte swapping.
2208 * This symbol, if defined, indicates that the ntohl() routine (and
2209 * friends htonl() htons() ntohs()) are available to do network
2210 * order byte swapping.
2213 * This symbol, if defined, indicates that the ntohs() routine (and
2214 * friends htonl() htons() ntohl()) are available to do network
2215 * order byte swapping.
2217 #$d_htonl HAS_HTONL /**/
2218 #$d_htonl HAS_HTONS /**/
2219 #$d_htonl HAS_NTOHL /**/
2220 #$d_htonl HAS_NTOHS /**/
2223 * This symbol, if defined, indicates that the ilogbl routine is
2224 * available. If scalbnl is also present we can emulate frexpl.
2226 #$d_ilogbl HAS_ILOGBL /**/
2229 * This symbol will defined if the C compiler supports int64_t.
2230 * Usually the <inttypes.h> needs to be included, but sometimes
2231 * <sys/types.h> is enough.
2233 #$d_int64_t HAS_INT64_T /**/
2236 * This manifest constant lets the C program know that isascii
2239 #$d_isascii HAS_ISASCII /**/
2242 * This symbol, if defined, indicates that the isfinite routine is
2243 * available to check whether a double is finite (non-infinity non-NaN).
2245 #$d_isfinite HAS_ISFINITE /**/
2248 * This symbol, if defined, indicates that the isinf routine is
2249 * available to check whether a double is an infinity.
2251 #$d_isinf HAS_ISINF /**/
2254 * This symbol, if defined, indicates that the isnan routine is
2255 * available to check whether a double is a NaN.
2257 #$d_isnan HAS_ISNAN /**/
2260 * This symbol, if defined, indicates that the isnanl routine is
2261 * available to check whether a long double is a NaN.
2263 #$d_isnanl HAS_ISNANL /**/
2266 * This symbol, if defined, indicates that the lchown routine is
2267 * available to operate on a symbolic link (instead of following the
2270 #$d_lchown HAS_LCHOWN /**/
2273 * This symbol, if defined, indicates that this system's <float.h>
2274 * or <limits.h> defines the symbol LDBL_DIG, which is the number
2275 * of significant digits in a long double precision number. Unlike
2276 * for DBL_DIG, there's no good guess for LDBL_DIG if it is undefined.
2278 #$d_ldbl_dig HAS_LDBL_DIG /* */
2280 /* LIBM_LIB_VERSION:
2281 * This symbol, if defined, indicates that libm exports _LIB_VERSION
2282 * and that math.h defines the enum to manipulate it.
2284 #$d_libm_lib_version LIBM_LIB_VERSION /**/
2287 * This symbol, if defined, indicates that the localtime_r routine
2288 * is available to localtime re-entrantly.
2290 /* LOCALTIME_R_PROTO:
2291 * This symbol encodes the prototype of localtime_r.
2292 * It is zero if d_localtime_r is undef, and one of the
2293 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_localtime_r
2296 #$d_localtime_r HAS_LOCALTIME_R /**/
2297 #define LOCALTIME_R_PROTO $localtime_r_proto /**/
2300 * This symbol will be defined if the C compiler supports long
2304 * This symbol contains the size of a long double, so that the
2305 * C preprocessor can make decisions based on it. It is only
2306 * defined if the system supports long doubles.
2308 #$d_longdbl HAS_LONG_DOUBLE /**/
2309 #ifdef HAS_LONG_DOUBLE
2310 #define LONG_DOUBLESIZE $longdblsize /**/
2314 * This symbol will be defined if the C compiler supports long long.
2317 * This symbol contains the size of a long long, so that the
2318 * C preprocessor can make decisions based on it. It is only
2319 * defined if the system supports long long.
2321 #$d_longlong HAS_LONG_LONG /**/
2322 #ifdef HAS_LONG_LONG
2323 #define LONGLONGSIZE $longlongsize /**/
2327 * This symbol, if defined, indicates that the system provides
2328 * a prototype for the lseek() function. Otherwise, it is up
2329 * to the program to supply one. A good guess is
2330 * extern off_t lseek(int, off_t, int);
2332 #$d_lseekproto HAS_LSEEK_PROTO /**/
2335 * This symbol, if defined, indicates that the madvise system call is
2336 * available to map a file into memory.
2338 #$d_madvise HAS_MADVISE /**/
2341 * This symbol, if defined, indicates that the malloc_size
2342 * routine is available for use.
2344 #$d_malloc_size HAS_MALLOC_SIZE /**/
2346 /* HAS_MALLOC_GOOD_SIZE:
2347 * This symbol, if defined, indicates that the malloc_good_size
2348 * routine is available for use.
2350 #$d_malloc_good_size HAS_MALLOC_GOOD_SIZE /**/
2353 * This symbol, if defined, indicates that the memchr routine is available
2354 * to locate characters within a C string.
2356 #$d_memchr HAS_MEMCHR /**/
2359 * This symbol, if defined, indicates that the mkdtemp routine is
2360 * available to exclusively create a uniquely named temporary directory.
2362 #$d_mkdtemp HAS_MKDTEMP /**/
2365 * This symbol, if defined, indicates that the mkstemp routine is
2366 * available to exclusively create and open a uniquely named
2369 #$d_mkstemp HAS_MKSTEMP /**/
2372 * This symbol, if defined, indicates that the mkstemps routine is
2373 * available to excluslvely create and open a uniquely named
2374 * (with a suffix) temporary file.
2376 #$d_mkstemps HAS_MKSTEMPS /**/
2379 * This symbol, if defined, indicates that the mmap system call is
2380 * available to map a file into memory.
2383 * This symbol holds the return type of the mmap() system call
2384 * (and simultaneously the type of the first argument).
2385 * Usually set to 'void *' or 'caddr_t'.
2387 #$d_mmap HAS_MMAP /**/
2388 #define Mmap_t $mmaptype /**/
2391 * This symbol, if defined, indicates that the modfl routine is
2392 * available to split a long double x into a fractional part f and
2393 * an integer part i such that |f| < 1.0 and (f + i) = x.
2396 * This symbol, if defined, indicates that the system provides
2397 * a prototype for the modfl() function. Otherwise, it is up
2398 * to the program to supply one.
2400 /* HAS_MODFL_POW32_BUG:
2401 * This symbol, if defined, indicates that the modfl routine is
2402 * broken for long doubles >= pow(2, 32).
2403 * For example from 4294967303.150000 one would get 4294967302.000000
2404 * and 1.150000. The bug has been seen in certain versions of glibc,
2405 * release 2.2.2 is known to be okay.
2407 #$d_modfl HAS_MODFL /**/
2408 #$d_modflproto HAS_MODFL_PROTO /**/
2409 #$d_modfl_pow32_bug HAS_MODFL_POW32_BUG /**/
2412 * This symbol, if defined, indicates that the mprotect system call is
2413 * available to modify the access protection of a memory mapped file.
2415 #$d_mprotect HAS_MPROTECT /**/
2418 * This symbol, if defined, indicates that the entire msg*(2) library is
2419 * supported (IPC mechanism based on message queues).
2421 #$d_msg HAS_MSG /**/
2423 /* HAS_STRUCT_MSGHDR:
2424 * This symbol, if defined, indicates that the struct msghdr
2427 #$d_msghdr_s HAS_STRUCT_MSGHDR /**/
2430 * This symbol, if defined, indicates that the nl_langinfo routine is
2431 * available to return local data. You will also need <langinfo.h>
2432 * and therefore I_LANGINFO.
2434 #$d_nl_langinfo HAS_NL_LANGINFO /**/
2437 * This symbol will be defined if the C compiler supports off64_t.
2439 #$d_off64_t HAS_OFF64_T /**/
2442 * This manifest constant lets the C program know that the three
2443 * argument form of open(2) is available.
2445 #$d_open3 HAS_OPEN3 /**/
2448 * This symbol, if defined, indicates that the poll routine is
2449 * available to poll active file descriptors. You may safely
2450 * include <poll.h> when both this symbol *and* I_POLL are defined.
2452 #$d_poll HAS_POLL /**/
2455 * This symbol is defined if PROCSELFEXE_PATH is a symlink
2456 * to the absolute pathname of the executing program.
2458 /* PROCSELFEXE_PATH:
2459 * If HAS_PROCSELFEXE is defined this symbol is the filename
2460 * of the symbolic link pointing to the absolute pathname of
2461 * the executing program.
2463 #$d_procselfexe HAS_PROCSELFEXE /**/
2464 #if defined(HAS_PROCSELFEXE) && !defined(PROCSELFEXE_PATH)
2465 #define PROCSELFEXE_PATH $procselfexe /**/
2468 /* OLD_PTHREAD_CREATE_JOINABLE:
2469 * This symbol, if defined, indicates how to create pthread
2470 * in joinable (aka undetached) state. NOTE: not defined
2471 * if pthread.h already has defined PTHREAD_CREATE_JOINABLE
2472 * (the new version of the constant).
2473 * If defined, known values are PTHREAD_CREATE_UNDETACHED
2476 #$d_old_pthread_create_joinable OLD_PTHREAD_CREATE_JOINABLE $old_pthread_create_joinable /**/
2478 /* HAS_PTHREAD_ATFORK:
2479 * This symbol, if defined, indicates that the pthread_atfork routine
2480 * is available to setup fork handlers.
2482 #$d_pthread_atfork HAS_PTHREAD_ATFORK /**/
2484 /* HAS_PTHREAD_ATTR_SETSCOPE:
2485 * This symbol, if defined, indicates that the pthread_attr_setscope
2486 * system call is available to set the contention scope attribute of
2487 * a thread attribute object.
2489 #$d_pthread_attr_setscope HAS_PTHREAD_ATTR_SETSCOPE /**/
2491 /* HAS_PTHREAD_YIELD:
2492 * This symbol, if defined, indicates that the pthread_yield
2493 * routine is available to yield the execution of the current
2494 * thread. sched_yield is preferable to pthread_yield.
2497 * This symbol defines the way to yield the execution of
2498 * the current thread. Known ways are sched_yield,
2499 * pthread_yield, and pthread_yield with NULL.
2502 * This symbol, if defined, indicates that the sched_yield
2503 * routine is available to yield the execution of the current
2504 * thread. sched_yield is preferable to pthread_yield.
2506 #$d_pthread_yield HAS_PTHREAD_YIELD /**/
2507 #define SCHED_YIELD $sched_yield /**/
2508 #$d_sched_yield HAS_SCHED_YIELD /**/
2511 * This symbol, if defined, indicates that the random_r routine
2512 * is available to random re-entrantly.
2515 * This symbol encodes the prototype of random_r.
2516 * It is zero if d_random_r is undef, and one of the
2517 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_random_r
2520 #$d_random_r HAS_RANDOM_R /**/
2521 #define RANDOM_R_PROTO $random_r_proto /**/
2524 * This symbol, if defined, indicates that the readdir64_r routine
2525 * is available to readdir64 re-entrantly.
2527 /* READDIR64_R_PROTO:
2528 * This symbol encodes the prototype of readdir64_r.
2529 * It is zero if d_readdir64_r is undef, and one of the
2530 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir64_r
2533 #$d_readdir64_r HAS_READDIR64_R /**/
2534 #define READDIR64_R_PROTO $readdir64_r_proto /**/
2537 * This symbol, if defined, indicates that the readdir_r routine
2538 * is available to readdir re-entrantly.
2541 * This symbol encodes the prototype of readdir_r.
2542 * It is zero if d_readdir_r is undef, and one of the
2543 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir_r
2546 #$d_readdir_r HAS_READDIR_R /**/
2547 #define READDIR_R_PROTO $readdir_r_proto /**/
2550 * This symbol, if defined, indicates that the readv routine is
2551 * available to do gather reads. You will also need <sys/uio.h>
2552 * and there I_SYSUIO.
2554 #$d_readv HAS_READV /**/
2557 * This symbol, if defined, indicates that the recvmsg routine is
2558 * available to send structured socket messages.
2560 #$d_recvmsg HAS_RECVMSG /**/
2563 * This symbol, if defined, indicates that the bcopy routine is available
2564 * to copy potentially overlapping memory blocks. Normally, you should
2565 * probably use memmove() or memcpy(). If neither is defined, roll your
2568 #$d_safebcpy HAS_SAFE_BCOPY /**/
2571 * This symbol, if defined, indicates that the memcpy routine is available
2572 * to copy potentially overlapping memory blocks. If you need to
2573 * copy overlapping memory blocks, you should check HAS_MEMMOVE and
2574 * use memmove() instead, if available.
2576 #$d_safemcpy HAS_SAFE_MEMCPY /**/
2579 * This symbol, if defined, indicates that the memcmp routine is available
2580 * and can be used to compare relative magnitudes of chars with their high
2581 * bits set. If it is not defined, roll your own version.
2583 #$d_sanemcmp HAS_SANE_MEMCMP /**/
2586 * This symbol, if defined, indicates that the system provides
2587 * a prototype for the sbrk() function. Otherwise, it is up
2588 * to the program to supply one. Good guesses are
2589 * extern void* sbrk(int);
2590 * extern void* sbrk(size_t);
2592 #$d_sbrkproto HAS_SBRK_PROTO /**/
2595 * This symbol, if defined, indicates that the scalbnl routine is
2596 * available. If ilogbl is also present we can emulate frexpl.
2598 #$d_scalbnl HAS_SCALBNL /**/
2601 * This symbol, if defined, indicates that the entire sem*(2) library is
2604 #$d_sem HAS_SEM /**/
2607 * This symbol, if defined, indicates that the sendmsg routine is
2608 * available to send structured socket messages.
2610 #$d_sendmsg HAS_SENDMSG /**/
2613 * This symbol, if defined, indicates that the setgrent routine is
2614 * available for initializing sequential access of the group database.
2616 #$d_setgrent HAS_SETGRENT /**/
2619 * This symbol, if defined, indicates that the setgrent_r routine
2620 * is available to setgrent re-entrantly.
2622 /* SETGRENT_R_PROTO:
2623 * This symbol encodes the prototype of setgrent_r.
2624 * It is zero if d_setgrent_r is undef, and one of the
2625 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setgrent_r
2628 #$d_setgrent_r HAS_SETGRENT_R /**/
2629 #define SETGRENT_R_PROTO $setgrent_r_proto /**/
2632 * This symbol, if defined, indicates that the setgroups() routine is
2633 * available to set the list of process groups. If unavailable, multiple
2634 * groups are probably not supported.
2636 #$d_setgrps HAS_SETGROUPS /**/
2639 * This symbol, if defined, indicates that the sethostent() routine is
2642 #$d_sethent HAS_SETHOSTENT /**/
2644 /* HAS_SETHOSTENT_R:
2645 * This symbol, if defined, indicates that the sethostent_r routine
2646 * is available to sethostent re-entrantly.
2648 /* SETHOSTENT_R_PROTO:
2649 * This symbol encodes the prototype of sethostent_r.
2650 * It is zero if d_sethostent_r is undef, and one of the
2651 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_sethostent_r
2654 #$d_sethostent_r HAS_SETHOSTENT_R /**/
2655 #define SETHOSTENT_R_PROTO $sethostent_r_proto /**/
2658 * This symbol, if defined, indicates that the setitimer routine is
2659 * available to set interval timers.
2661 #$d_setitimer HAS_SETITIMER /**/
2664 * This symbol, if defined, indicates that the setlocale_r routine
2665 * is available to setlocale re-entrantly.
2667 /* SETLOCALE_R_PROTO:
2668 * This symbol encodes the prototype of setlocale_r.
2669 * It is zero if d_setlocale_r is undef, and one of the
2670 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setlocale_r
2673 #$d_setlocale_r HAS_SETLOCALE_R /**/
2674 #define SETLOCALE_R_PROTO $setlocale_r_proto /**/
2677 * This symbol, if defined, indicates that the setnetent() routine is
2680 #$d_setnent HAS_SETNETENT /**/
2683 * This symbol, if defined, indicates that the setnetent_r routine
2684 * is available to setnetent re-entrantly.
2686 /* SETNETENT_R_PROTO:
2687 * This symbol encodes the prototype of setnetent_r.
2688 * It is zero if d_setnetent_r is undef, and one of the
2689 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setnetent_r
2692 #$d_setnetent_r HAS_SETNETENT_R /**/
2693 #define SETNETENT_R_PROTO $setnetent_r_proto /**/
2696 * This symbol, if defined, indicates that the setprotoent() routine is
2699 #$d_setpent HAS_SETPROTOENT /**/
2702 * This symbol, if defined, indicates that the setpgrp routine is
2703 * available to set the current process group.
2706 * This symbol, if defined, indicates that setpgrp needs two
2707 * arguments whereas USG one needs none. See also HAS_SETPGID
2708 * for a POSIX interface.
2710 #$d_setpgrp HAS_SETPGRP /**/
2711 #$d_bsdsetpgrp USE_BSD_SETPGRP /**/
2713 /* HAS_SETPROCTITLE:
2714 * This symbol, if defined, indicates that the setproctitle routine is
2715 * available to set process title.
2717 #$d_setproctitle HAS_SETPROCTITLE /**/
2719 /* HAS_SETPROTOENT_R:
2720 * This symbol, if defined, indicates that the setprotoent_r routine
2721 * is available to setprotoent re-entrantly.
2723 /* SETPROTOENT_R_PROTO:
2724 * This symbol encodes the prototype of setprotoent_r.
2725 * It is zero if d_setprotoent_r is undef, and one of the
2726 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setprotoent_r
2729 #$d_setprotoent_r HAS_SETPROTOENT_R /**/
2730 #define SETPROTOENT_R_PROTO $setprotoent_r_proto /**/
2733 * This symbol, if defined, indicates that the setpwent routine is
2734 * available for initializing sequential access of the passwd database.
2736 #$d_setpwent HAS_SETPWENT /**/
2739 * This symbol, if defined, indicates that the setpwent_r routine
2740 * is available to setpwent re-entrantly.
2742 /* SETPWENT_R_PROTO:
2743 * This symbol encodes the prototype of setpwent_r.
2744 * It is zero if d_setpwent_r is undef, and one of the
2745 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setpwent_r
2748 #$d_setpwent_r HAS_SETPWENT_R /**/
2749 #define SETPWENT_R_PROTO $setpwent_r_proto /**/
2752 * This symbol, if defined, indicates that the setservent() routine is
2755 #$d_setsent HAS_SETSERVENT /**/
2757 /* HAS_SETSERVENT_R:
2758 * This symbol, if defined, indicates that the setservent_r routine
2759 * is available to setservent re-entrantly.
2761 /* SETSERVENT_R_PROTO:
2762 * This symbol encodes the prototype of setservent_r.
2763 * It is zero if d_setservent_r is undef, and one of the
2764 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
2767 #$d_setservent_r HAS_SETSERVENT_R /**/
2768 #define SETSERVENT_R_PROTO $setservent_r_proto /**/
2771 * This symbol, if defined, indicates that the setvbuf routine is
2772 * available to change buffering on an open stdio stream.
2773 * to a line-buffered mode.
2775 #$d_setvbuf HAS_SETVBUF /**/
2778 * This symbol, if defined, indicates that sfio should
2781 #$d_sfio USE_SFIO /**/
2784 * This symbol, if defined, indicates that the entire shm*(2) library is
2787 #$d_shm HAS_SHM /**/
2790 * This symbol holds the return type of the shmat() system call.
2791 * Usually set to 'void *' or 'char *'.
2793 /* HAS_SHMAT_PROTOTYPE:
2794 * This symbol, if defined, indicates that the sys/shm.h includes
2795 * a prototype for shmat(). Otherwise, it is up to the program to
2796 * guess one. Shmat_t shmat(int, Shmat_t, int) is a good guess,
2797 * but not always right so it should be emitted by the program only
2798 * when HAS_SHMAT_PROTOTYPE is not defined to avoid conflicting defs.
2800 #define Shmat_t $shmattype /**/
2801 #$d_shmatprototype HAS_SHMAT_PROTOTYPE /**/
2804 * This symbol, if defined, indicates that Vr4's sigaction() routine
2807 #$d_sigaction HAS_SIGACTION /**/
2810 * This symbol, if defined, indicates that the sigprocmask
2811 * system call is available to examine or change the signal mask
2812 * of the calling process.
2814 #$d_sigprocmask HAS_SIGPROCMASK /**/
2817 * This variable indicates to the C program that the sigsetjmp()
2818 * routine is available to save the calling process's registers
2819 * and stack environment for later use by siglongjmp(), and
2820 * to optionally save the process's signal mask. See
2821 * Sigjmp_buf, Sigsetjmp, and Siglongjmp.
2824 * This is the buffer type to be used with Sigsetjmp and Siglongjmp.
2827 * This macro is used in the same way as sigsetjmp(), but will invoke
2828 * traditional setjmp() if sigsetjmp isn't available.
2829 * See HAS_SIGSETJMP.
2832 * This macro is used in the same way as siglongjmp(), but will invoke
2833 * traditional longjmp() if siglongjmp isn't available.
2834 * See HAS_SIGSETJMP.
2836 #$d_sigsetjmp HAS_SIGSETJMP /**/
2837 #ifdef HAS_SIGSETJMP
2838 #define Sigjmp_buf sigjmp_buf
2839 #define Sigsetjmp(buf,save_mask) sigsetjmp((buf),(save_mask))
2840 #define Siglongjmp(buf,retval) siglongjmp((buf),(retval))
2842 #define Sigjmp_buf jmp_buf
2843 #define Sigsetjmp(buf,save_mask) setjmp((buf))
2844 #define Siglongjmp(buf,retval) longjmp((buf),(retval))
2847 /* USE_SITECUSTOMIZE:
2848 * This symbol, if defined, indicates that sitecustomize should
2851 #ifndef USE_SITECUSTOMIZE
2852 #$usesitecustomize USE_SITECUSTOMIZE /**/
2856 * This symbol, if defined, indicates that the snprintf () library
2857 * function is available for use.
2860 * This symbol, if defined, indicates that the vsnprintf () library
2861 * function is available for use.
2863 #$d_snprintf HAS_SNPRINTF /**/
2864 #$d_vsnprintf HAS_VSNPRINTF /**/
2867 * This symbol, if defined, indicates that the sockatmark routine is
2868 * available to test whether a socket is at the out-of-band mark.
2870 #$d_sockatmark HAS_SOCKATMARK /**/
2872 /* HAS_SOCKATMARK_PROTO:
2873 * This symbol, if defined, indicates that the system provides
2874 * a prototype for the sockatmark() function. Otherwise, it is up
2875 * to the program to supply one. A good guess is
2876 * extern int sockatmark(int);
2878 #$d_sockatmarkproto HAS_SOCKATMARK_PROTO /**/
2881 * This symbol, if defined, indicates that the BSD socket interface is
2885 * This symbol, if defined, indicates that the BSD socketpair() call is
2889 * This symbol, if defined, indicates that the MSG_CTRUNC is supported.
2890 * Checking just with #ifdef might not be enough because this symbol
2891 * has been known to be an enum.
2893 /* HAS_MSG_DONTROUTE:
2894 * This symbol, if defined, indicates that the MSG_DONTROUTE is supported.
2895 * Checking just with #ifdef might not be enough because this symbol
2896 * has been known to be an enum.
2899 * This symbol, if defined, indicates that the MSG_OOB is supported.
2900 * Checking just with #ifdef might not be enough because this symbol
2901 * has been known to be an enum.
2904 * This symbol, if defined, indicates that the MSG_PEEK is supported.
2905 * Checking just with #ifdef might not be enough because this symbol
2906 * has been known to be an enum.
2909 * This symbol, if defined, indicates that the MSG_PROXY is supported.
2910 * Checking just with #ifdef might not be enough because this symbol
2911 * has been known to be an enum.
2914 * This symbol, if defined, indicates that the SCM_RIGHTS is supported.
2915 * Checking just with #ifdef might not be enough because this symbol
2916 * has been known to be an enum.
2918 #$d_socket HAS_SOCKET /**/
2919 #$d_sockpair HAS_SOCKETPAIR /**/
2920 #$d_msg_ctrunc HAS_MSG_CTRUNC /**/
2921 #$d_msg_dontroute HAS_MSG_DONTROUTE /**/
2922 #$d_msg_oob HAS_MSG_OOB /**/
2923 #$d_msg_peek HAS_MSG_PEEK /**/
2924 #$d_msg_proxy HAS_MSG_PROXY /**/
2925 #$d_scm_rights HAS_SCM_RIGHTS /**/
2928 * This symbol, if defined, indicates that the socks5_init routine is
2929 * available to initialize SOCKS 5.
2931 #$d_socks5_init HAS_SOCKS5_INIT /**/
2933 /* SPRINTF_RETURNS_STRLEN:
2934 * This variable defines whether sprintf returns the length of the string
2935 * (as per the ANSI spec). Some C libraries retain compatibility with
2936 * pre-ANSI C and return a pointer to the passed in buffer; for these
2937 * this variable will be undef.
2939 #$d_sprintf_returns_strlen SPRINTF_RETURNS_STRLEN /**/
2942 * This symbol, if defined, indicates that the sqrtl routine is
2943 * available to do long double square roots.
2945 #$d_sqrtl HAS_SQRTL /**/
2948 * This symbol, if defined, indicates that the srand48_r routine
2949 * is available to srand48 re-entrantly.
2952 * This symbol encodes the prototype of srand48_r.
2953 * It is zero if d_srand48_r is undef, and one of the
2954 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_srand48_r
2957 #$d_srand48_r HAS_SRAND48_R /**/
2958 #define SRAND48_R_PROTO $srand48_r_proto /**/
2961 * This symbol, if defined, indicates that the srandom_r routine
2962 * is available to srandom re-entrantly.
2965 * This symbol encodes the prototype of srandom_r.
2966 * It is zero if d_srandom_r is undef, and one of the
2967 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_srandom_r
2970 #$d_srandom_r HAS_SRANDOM_R /**/
2971 #define SRANDOM_R_PROTO $srandom_r_proto /**/
2973 /* HAS_SETRESGID_PROTO:
2974 * This symbol, if defined, indicates that the system provides
2975 * a prototype for the setresgid() function. Otherwise, it is up
2976 * to the program to supply one. Good guesses are
2977 * extern int setresgid(uid_t ruid, uid_t euid, uid_t suid);
2979 #$d_sresgproto HAS_SETRESGID_PROTO /**/
2981 /* HAS_SETRESUID_PROTO:
2982 * This symbol, if defined, indicates that the system provides
2983 * a prototype for the setresuid() function. Otherwise, it is up
2984 * to the program to supply one. Good guesses are
2985 * extern int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2987 #$d_sresuproto HAS_SETRESUID_PROTO /**/
2990 * This symbol is defined if this system has a stat structure declaring
2991 * st_blksize and st_blocks.
2993 #ifndef USE_STAT_BLOCKS
2994 #$d_statblks USE_STAT_BLOCKS /**/
2997 /* HAS_STRUCT_STATFS_F_FLAGS:
2998 * This symbol, if defined, indicates that the struct statfs
2999 * does have the f_flags member containing the mount flags of
3000 * the filesystem containing the file.
3001 * This kind of struct statfs is coming from <sys/mount.h> (BSD 4.3),
3002 * not from <sys/statfs.h> (SYSV). Older BSDs (like Ultrix) do not
3003 * have statfs() and struct statfs, they have ustat() and getmnt()
3004 * with struct ustat and struct fs_data.
3006 #$d_statfs_f_flags HAS_STRUCT_STATFS_F_FLAGS /**/
3008 /* HAS_STRUCT_STATFS:
3009 * This symbol, if defined, indicates that the struct statfs
3010 * to do statfs() is supported.
3012 #$d_statfs_s HAS_STRUCT_STATFS /**/
3015 * This symbol, if defined, indicates that the fstatvfs routine is
3016 * available to stat filesystems by file descriptors.
3018 #$d_fstatvfs HAS_FSTATVFS /**/
3021 * This symbol is defined if the _ptr and _cnt fields (or similar)
3022 * of the stdio FILE structure can be used to access the stdio buffer
3023 * for a file handle. If this is defined, then the FILE_ptr(fp)
3024 * and FILE_cnt(fp) macros will also be defined and should be used
3025 * to access these fields.
3028 * This macro is used to access the _ptr field (or equivalent) of the
3029 * FILE structure pointed to by its argument. This macro will always be
3030 * defined if USE_STDIO_PTR is defined.
3032 /* STDIO_PTR_LVALUE:
3033 * This symbol is defined if the FILE_ptr macro can be used as an
3037 * This macro is used to access the _cnt field (or equivalent) of the
3038 * FILE structure pointed to by its argument. This macro will always be
3039 * defined if USE_STDIO_PTR is defined.
3041 /* STDIO_CNT_LVALUE:
3042 * This symbol is defined if the FILE_cnt macro can be used as an
3045 /* STDIO_PTR_LVAL_SETS_CNT:
3046 * This symbol is defined if using the FILE_ptr macro as an lvalue
3047 * to increase the pointer by n has the side effect of decreasing the
3048 * value of File_cnt(fp) by n.
3050 /* STDIO_PTR_LVAL_NOCHANGE_CNT:
3051 * This symbol is defined if using the FILE_ptr macro as an lvalue
3052 * to increase the pointer by n leaves File_cnt(fp) unchanged.
3054 #$d_stdstdio USE_STDIO_PTR /**/
3055 #ifdef USE_STDIO_PTR
3056 #define FILE_ptr(fp) $stdio_ptr
3057 #$d_stdio_ptr_lval STDIO_PTR_LVALUE /**/
3058 #define FILE_cnt(fp) $stdio_cnt
3059 #$d_stdio_cnt_lval STDIO_CNT_LVALUE /**/
3060 #$d_stdio_ptr_lval_sets_cnt STDIO_PTR_LVAL_SETS_CNT /**/
3061 #$d_stdio_ptr_lval_nochange_cnt STDIO_PTR_LVAL_NOCHANGE_CNT /**/
3065 * This symbol is defined if the _base field (or similar) of the
3066 * stdio FILE structure can be used to access the stdio buffer for
3067 * a file handle. If this is defined, then the FILE_base(fp) macro
3068 * will also be defined and should be used to access this field.
3069 * Also, the FILE_bufsiz(fp) macro will be defined and should be used
3070 * to determine the number of bytes in the buffer. USE_STDIO_BASE
3071 * will never be defined unless USE_STDIO_PTR is.
3074 * This macro is used to access the _base field (or equivalent) of the
3075 * FILE structure pointed to by its argument. This macro will always be
3076 * defined if USE_STDIO_BASE is defined.
3079 * This macro is used to determine the number of bytes in the I/O
3080 * buffer pointed to by _base field (or equivalent) of the FILE
3081 * structure pointed to its argument. This macro will always be defined
3082 * if USE_STDIO_BASE is defined.
3084 #$d_stdiobase USE_STDIO_BASE /**/
3085 #ifdef USE_STDIO_BASE
3086 #define FILE_base(fp) $stdio_base
3087 #define FILE_bufsiz(fp) $stdio_bufsiz
3091 * This symbol, if defined, indicates that the strerror routine is
3092 * available to translate error numbers to strings. See the writeup
3093 * of Strerror() in this file before you try to define your own.
3096 * This symbol, if defined, indicates that the sys_errlist array is
3097 * available to translate error numbers to strings. The extern int
3098 * sys_nerr gives the size of that table.
3101 * This preprocessor symbol is defined as a macro if strerror() is
3102 * not available to translate error numbers to strings but sys_errlist[]
3105 #$d_strerror HAS_STRERROR /**/
3106 #$d_syserrlst HAS_SYS_ERRLIST /**/
3107 #define Strerror(e) $d_strerrm
3110 * This symbol, if defined, indicates that the strerror_r routine
3111 * is available to strerror re-entrantly.
3113 /* STRERROR_R_PROTO:
3114 * This symbol encodes the prototype of strerror_r.
3115 * It is zero if d_strerror_r is undef, and one of the
3116 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_strerror_r
3119 #$d_strerror_r HAS_STRERROR_R /**/
3120 #define STRERROR_R_PROTO $strerror_r_proto /**/
3123 * This symbol, if defined, indicates that the strftime routine is
3124 * available to do time formatting.
3126 #$d_strftime HAS_STRFTIME /**/
3129 * This symbol, if defined, indicates that the strlcat () routine is
3130 * available to do string concatenation.
3132 #$d_strlcat HAS_STRLCAT /**/
3135 * This symbol, if defined, indicates that the strlcpy () routine is
3136 * available to do string copying.
3138 #$d_strlcpy HAS_STRLCPY /**/
3141 * This symbol, if defined, indicates that the strtold routine is
3142 * available to convert strings to long doubles.
3144 #$d_strtold HAS_STRTOLD /**/
3147 * This symbol, if defined, indicates that the strtoll routine is
3148 * available to convert strings to long longs.
3150 #$d_strtoll HAS_STRTOLL /**/
3153 * This symbol, if defined, indicates that the strtoq routine is
3154 * available to convert strings to long longs (quads).
3156 #$d_strtoq HAS_STRTOQ /**/
3159 * This symbol, if defined, indicates that the strtoul routine is
3160 * available to provide conversion of strings to unsigned long.
3162 #$d_strtoul HAS_STRTOUL /**/
3165 * This symbol, if defined, indicates that the strtoull routine is
3166 * available to convert strings to unsigned long longs.
3168 #$d_strtoull HAS_STRTOULL /**/
3171 * This symbol, if defined, indicates that the strtouq routine is
3172 * available to convert strings to unsigned long longs (quads).
3174 #$d_strtouq HAS_STRTOUQ /**/
3176 /* HAS_SYSCALL_PROTO:
3177 * This symbol, if defined, indicates that the system provides
3178 * a prototype for the syscall() function. Otherwise, it is up
3179 * to the program to supply one. Good guesses are
3180 * extern int syscall(int, ...);
3181 * extern int syscall(long, ...);
3183 #$d_syscallproto HAS_SYSCALL_PROTO /**/
3185 /* HAS_TELLDIR_PROTO:
3186 * This symbol, if defined, indicates that the system provides
3187 * a prototype for the telldir() function. Otherwise, it is up
3188 * to the program to supply one. A good guess is
3189 * extern long telldir(DIR*);
3191 #$d_telldirproto HAS_TELLDIR_PROTO /**/
3194 * This symbol, if defined, indicates that the time() routine exists.
3197 * This symbol holds the type returned by time(). It can be long,
3198 * or time_t on BSD sites (in which case <sys/types.h> should be
3201 #$d_time HAS_TIME /**/
3202 #define Time_t $timetype /* Time type */
3205 * This symbol, if defined, indicates that the times() routine exists.
3206 * Note that this became obsolete on some systems (SUNOS), which now
3207 * use getrusage(). It may be necessary to include <sys/times.h>.
3209 #$d_times HAS_TIMES /**/
3212 * This symbol, if defined, indicates that the tmpnam_r routine
3213 * is available to tmpnam re-entrantly.
3216 * This symbol encodes the prototype of tmpnam_r.
3217 * It is zero if d_tmpnam_r is undef, and one of the
3218 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_tmpnam_r
3221 #$d_tmpnam_r HAS_TMPNAM_R /**/
3222 #define TMPNAM_R_PROTO $tmpnam_r_proto /**/
3225 * This symbol, if defined, indicates that the ttyname_r routine
3226 * is available to ttyname re-entrantly.
3229 * This symbol encodes the prototype of ttyname_r.
3230 * It is zero if d_ttyname_r is undef, and one of the
3231 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_ttyname_r
3234 #$d_ttyname_r HAS_TTYNAME_R /**/
3235 #define TTYNAME_R_PROTO $ttyname_r_proto /**/
3237 /* U32_ALIGNMENT_REQUIRED:
3238 * This symbol, if defined, indicates that you must access
3239 * character data through U32-aligned pointers.
3241 #ifndef U32_ALIGNMENT_REQUIRED
3242 #$d_u32align U32_ALIGNMENT_REQUIRED /**/
3246 * This symbol, if defined, indicates that the ualarm routine is
3247 * available to do alarms with microsecond granularity.
3249 #$d_ualarm HAS_UALARM /**/
3252 * This symbol, if defined, indicates that the union semun is
3253 * defined by including <sys/sem.h>. If not, the user code
3254 * probably needs to define it as:
3257 * struct semid_ds *buf;
3258 * unsigned short *array;
3261 /* USE_SEMCTL_SEMUN:
3262 * This symbol, if defined, indicates that union semun is
3263 * used for semctl IPC_STAT.
3265 /* USE_SEMCTL_SEMID_DS:
3266 * This symbol, if defined, indicates that struct semid_ds * is
3267 * used for semctl IPC_STAT.
3269 #$d_union_semun HAS_UNION_SEMUN /**/
3270 #$d_semctl_semun USE_SEMCTL_SEMUN /**/
3271 #$d_semctl_semid_ds USE_SEMCTL_SEMID_DS /**/
3274 * This symbol, if defined, indicates that the unordered routine is
3275 * available to check whether two doubles are unordered
3276 * (effectively: whether either of them is NaN)
3278 #$d_unordered HAS_UNORDERED /**/
3281 * This symbol, if defined, indicates that the unsetenv () routine is
3282 * available for use.
3284 #$d_unsetenv HAS_UNSETENV /**/
3286 /* HAS_USLEEP_PROTO:
3287 * This symbol, if defined, indicates that the system provides
3288 * a prototype for the usleep() function. Otherwise, it is up
3289 * to the program to supply one. A good guess is
3290 * extern int usleep(useconds_t);
3292 #$d_usleepproto HAS_USLEEP_PROTO /**/
3295 * This symbol, if defined, indicates that the ustat system call is
3296 * available to query file system statistics by dev_t.
3298 #$d_ustat HAS_USTAT /**/
3301 * This symbol, if defined, indicates that vfork() exists.
3303 #$d_vfork HAS_VFORK /**/
3306 * This symbol's value is either "void" or "int", corresponding to the
3307 * appropriate return type of a signal handler. Thus, you can declare
3308 * a signal handler using "Signal_t (*handler)()", and define the
3309 * handler using "Signal_t handler(sig)".
3311 #define Signal_t $signal_t /* Signal handler's return type */
3314 * This symbol, if defined, indicates that the vprintf routine is available
3315 * to printf with a pointer to an argument list. If unavailable, you
3316 * may need to write your own, probably in terms of _doprnt().
3318 /* USE_CHAR_VSPRINTF:
3319 * This symbol is defined if this system has vsprintf() returning type
3320 * (char*). The trend seems to be to declare it as "int vsprintf()". It
3321 * is up to the package author to declare vsprintf correctly based on the
3324 #$d_vprintf HAS_VPRINTF /**/
3325 #$d_charvspr USE_CHAR_VSPRINTF /**/
3328 * This symbol, if defined, indicates that the writev routine is
3329 * available to do scatter writes.
3331 #$d_writev HAS_WRITEV /**/
3333 /* USE_DYNAMIC_LOADING:
3334 * This symbol, if defined, indicates that dynamic loading of
3335 * some sort is available.
3337 #$usedl USE_DYNAMIC_LOADING /**/
3340 * This symbol contains the size of a double, so that the C preprocessor
3341 * can make decisions based on it.
3343 #define DOUBLESIZE $doublesize /**/
3346 * This symbol, if defined, indicates that this system uses
3349 #$ebcdic EBCDIC /**/
3352 * This symbol, if defined, tells that fflush(NULL) does flush
3353 * all pending stdio output.
3356 * This symbol, if defined, tells that to flush
3357 * all pending stdio output one must loop through all
3358 * the stdio file handles stored in an array and fflush them.
3359 * Note that if fflushNULL is defined, fflushall will not
3360 * even be probed for and will be left undefined.
3362 #$fflushNULL FFLUSH_NULL /**/
3363 #$fflushall FFLUSH_ALL /**/
3366 * This symbol holds the type used to declare file positions in libc.
3367 * It can be fpos_t, long, uint, etc... It may be necessary to include
3368 * <sys/types.h> to get any typedef'ed information.
3370 #define Fpos_t $fpostype /* File position type */
3373 * This symbol defines the format string used for printing a Gid_t.
3375 #define Gid_t_f $gidformat /**/
3378 * This symbol holds the signedess of a Gid_t.
3379 * 1 for unsigned, -1 for signed.
3381 #define Gid_t_sign $gidsign /* GID sign */
3384 * This symbol holds the size of a Gid_t in bytes.
3386 #define Gid_t_size $gidsize /* GID size */
3389 * This symbol holds the return type of getgid() and the type of
3390 * argument to setrgid() and related functions. Typically,
3391 * it is the type of group ids in the kernel. It can be int, ushort,
3392 * gid_t, etc... It may be necessary to include <sys/types.h> to get
3393 * any typedef'ed information.
3395 #define Gid_t $gidtype /* Type for getgid(), etc... */
3398 * This symbol holds the type used for the second argument to
3399 * getgroups() and setgroups(). Usually, this is the same as
3400 * gidtype (gid_t) , but sometimes it isn't.
3401 * It can be int, ushort, gid_t, etc...
3402 * It may be necessary to include <sys/types.h> to get any
3403 * typedef'ed information. This is only required if you have
3404 * getgroups() or setgroups()..
3406 #if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS)
3407 #define Groups_t $groupstype /* Type for 2nd arg to [sg]etgroups() */
3411 * This symbol, if defined, indicates that <crypt.h> exists and
3412 * should be included.
3414 #$i_crypt I_CRYPT /**/
3417 * This symbol contains the type of the prefix structure element
3418 * in the <db.h> header file. In older versions of DB, it was
3419 * int, while in newer ones it is u_int32_t.
3422 * This symbol contains the type of the prefix structure element
3423 * in the <db.h> header file. In older versions of DB, it was
3424 * int, while in newer ones it is size_t.
3426 /* DB_VERSION_MAJOR_CFG:
3427 * This symbol, if defined, defines the major version number of
3428 * Berkeley DB found in the <db.h> header when Perl was configured.
3430 /* DB_VERSION_MINOR_CFG:
3431 * This symbol, if defined, defines the minor version number of
3432 * Berkeley DB found in the <db.h> header when Perl was configured.
3433 * For DB version 1 this is always 0.
3435 /* DB_VERSION_PATCH_CFG:
3436 * This symbol, if defined, defines the patch version number of
3437 * Berkeley DB found in the <db.h> header when Perl was configured.
3438 * For DB version 1 this is always 0.
3440 #define DB_Hash_t $db_hashtype /**/
3441 #define DB_Prefix_t $db_prefixtype /**/
3442 #define DB_VERSION_MAJOR_CFG $db_version_major /**/
3443 #define DB_VERSION_MINOR_CFG $db_version_minor /**/
3444 #define DB_VERSION_PATCH_CFG $db_version_patch /**/
3447 * This symbol, if defined, indicates that <fp.h> exists and
3448 * should be included.
3453 * This symbol, if defined, indicates that <fp_class.h> exists and
3454 * should be included.
3456 #$i_fp_class I_FP_CLASS /**/
3459 * This symbol, if defined, indicates to the C program that it should
3463 * This symbol, if defined, indicates to the C program that struct group
3464 * in <grp.h> contains gr_passwd.
3467 #$d_grpasswd GRPASSWD /**/
3470 * This symbol, if defined, indicates that <ieeefp.h> exists and
3471 * should be included.
3473 #$i_ieeefp I_IEEEFP /**/
3476 * This symbol, if defined, indicates to the C program that it should
3477 * include <inttypes.h>.
3479 #$i_inttypes I_INTTYPES /**/
3482 * This symbol, if defined, indicates that <langinfo.h> exists and
3483 * should be included.
3485 #$i_langinfo I_LANGINFO /**/
3488 * This symbol, if defined, indicates that <libutil.h> exists and
3489 * should be included.
3491 #$i_libutil I_LIBUTIL /**/
3494 * This symbol, if defined, indicates to the C program that it should
3495 * include <mach/cthreads.h>.
3497 #$i_machcthr I_MACH_CTHREADS /**/
3500 * This symbol, if defined, indicates that <mntent.h> exists and
3501 * should be included.
3503 #$i_mntent I_MNTENT /**/
3506 * This symbol, if defined, indicates that <ndbm.h> exists and should
3509 #$i_ndbm I_NDBM /**/
3512 * This symbol, if defined, indicates that <netdb.h> exists and
3513 * should be included.
3515 #$i_netdb I_NETDB /**/
3518 * This symbol, if defined, indicates to the C program that it should
3519 * include <netinet/tcp.h>.
3521 #$i_netinettcp I_NETINET_TCP /**/
3524 * This symbol, if defined, indicates that <poll.h> exists and
3525 * should be included. (see also HAS_POLL)
3527 #$i_poll I_POLL /**/
3530 * This symbol, if defined, indicates that <prot.h> exists and
3531 * should be included.
3533 #$i_prot I_PROT /**/
3536 * This symbol, if defined, indicates to the C program that it should
3537 * include <pthread.h>.
3539 #$i_pthread I_PTHREAD /**/
3542 * This symbol, if defined, indicates to the C program that it should
3546 * This symbol, if defined, indicates to the C program that struct passwd
3547 * contains pw_quota.
3550 * This symbol, if defined, indicates to the C program that struct passwd
3554 * This symbol, if defined, indicates to the C program that struct passwd
3555 * contains pw_change.
3558 * This symbol, if defined, indicates to the C program that struct passwd
3559 * contains pw_class.
3562 * This symbol, if defined, indicates to the C program that struct passwd
3563 * contains pw_expire.
3566 * This symbol, if defined, indicates to the C program that struct passwd
3567 * contains pw_comment.
3570 * This symbol, if defined, indicates to the C program that struct passwd
3571 * contains pw_gecos.
3574 * This symbol, if defined, indicates to the C program that struct passwd
3575 * contains pw_passwd.
3578 #$d_pwquota PWQUOTA /**/
3579 #$d_pwage PWAGE /**/
3580 #$d_pwchange PWCHANGE /**/
3581 #$d_pwclass PWCLASS /**/
3582 #$d_pwexpire PWEXPIRE /**/
3583 #$d_pwcomment PWCOMMENT /**/
3584 #$d_pwgecos PWGECOS /**/
3585 #$d_pwpasswd PWPASSWD /**/
3588 * This symbol, if defined, indicates that <shadow.h> exists and
3589 * should be included.
3591 #$i_shadow I_SHADOW /**/
3594 * This symbol, if defined, indicates that <socks.h> exists and
3595 * should be included.
3597 #$i_socks I_SOCKS /**/
3600 * This symbol, if defined, indicates that <sunmath.h> exists and
3601 * should be included.
3603 #$i_sunmath I_SUNMATH /**/
3606 * This symbol, if defined, indicates that <syslog.h> exists and
3607 * should be included.
3609 #$i_syslog I_SYSLOG /**/
3612 * This symbol, if defined, indicates that <sys/mode.h> exists and
3613 * should be included.
3615 #$i_sysmode I_SYSMODE /**/
3618 * This symbol, if defined, indicates that <sys/mount.h> exists and
3619 * should be included.
3621 #$i_sysmount I_SYS_MOUNT /**/
3624 * This symbol, if defined, indicates that <sys/statfs.h> exists.
3626 #$i_sysstatfs I_SYS_STATFS /**/
3629 * This symbol, if defined, indicates that <sys/statvfs.h> exists and
3630 * should be included.
3632 #$i_sysstatvfs I_SYS_STATVFS /**/
3635 * This symbol, if defined, indicates that <sys/uio.h> exists and
3636 * should be included.
3638 #$i_sysuio I_SYSUIO /**/
3641 * This symbol, if defined, indicates that <sys/utsname.h> exists and
3642 * should be included.
3644 #$i_sysutsname I_SYSUTSNAME /**/
3647 * This symbol, if defined, indicates that <sys/vfs.h> exists and
3648 * should be included.
3650 #$i_sysvfs I_SYS_VFS /**/
3653 * This symbol, if defined, indicates to the C program that it should
3657 * This symbol, if defined, indicates to the C program that it should
3658 * include <sys/time.h>.
3660 /* I_SYS_TIME_KERNEL:
3661 * This symbol, if defined, indicates to the C program that it should
3662 * include <sys/time.h> with KERNEL defined.
3665 * This symbol, if defined, indicates to the C program that
3666 * the struct tm has a tm_zone field.
3668 /* HAS_TM_TM_GMTOFF:
3669 * This symbol, if defined, indicates to the C program that
3670 * the struct tm has a tm_gmtoff field.
3672 #$i_time I_TIME /**/
3673 #$i_systime I_SYS_TIME /**/
3674 #$i_systimek I_SYS_TIME_KERNEL /**/
3675 #$d_tm_tm_zone HAS_TM_TM_ZONE /**/
3676 #$d_tm_tm_gmtoff HAS_TM_TM_GMTOFF /**/
3679 * This symbol, if defined, indicates that <ustat.h> exists and
3680 * should be included.
3682 #$i_ustat I_USTAT /**/
3685 * This symbol, if defined, indicates that <stdarg.h> exists and should
3689 * This symbol, if defined, indicates to the C program that it should
3690 * include <varargs.h>.
3692 #$i_stdarg I_STDARG /**/
3693 #$i_varargs I_VARARGS /**/
3695 /* PERL_INC_VERSION_LIST:
3696 * This variable specifies the list of subdirectories in over
3697 * which perl.c:incpush() and lib/lib.pm will automatically
3698 * search when adding directories to @INC, in a format suitable
3699 * for a C initialization string. See the inc_version_list entry
3700 * in Porting/Glossary for more details.
3702 #$d_inc_version_list PERL_INC_VERSION_LIST $inc_version_list_init /**/
3704 /* INSTALL_USR_BIN_PERL:
3705 * This symbol, if defined, indicates that Perl is to be installed
3706 * also as /usr/bin/perl.
3708 #$installusrbinperl INSTALL_USR_BIN_PERL /**/
3711 * This symbol, if defined, contains the string used by stdio to
3712 * format long doubles (format 'f') for output.
3715 * This symbol, if defined, contains the string used by stdio to
3716 * format long doubles (format 'g') for output.
3719 * This symbol, if defined, contains the string used by stdio to
3720 * format long doubles (format 'e') for output.
3723 * This symbol, if defined, contains the string used by stdio to
3724 * format long doubles (format 'f') for input.
3726 #$d_PRIfldbl PERL_PRIfldbl $sPRIfldbl /**/
3727 #$d_PRIgldbl PERL_PRIgldbl $sPRIgldbl /**/
3728 #$d_PRIeldbl PERL_PRIeldbl $sPRIeldbl /**/
3729 #$d_SCNfldbl PERL_SCNfldbl $sSCNfldbl /**/
3732 * This symbol holds the type used to declare offsets in the kernel.
3733 * It can be int, long, off_t, etc... It may be necessary to include
3734 * <sys/types.h> to get any typedef'ed information.
3737 * This symbol holds the number of bytes used by the Off_t.
3740 * This symbol holds the number of bytes used by the Off_t.
3742 #define Off_t $lseektype /* <offset> type */
3743 #define LSEEKSIZE $lseeksize /* <offset> size */
3744 #define Off_t_size $lseeksize /* <offset> size */
3747 * This symbol, if defined, indicates that the Misc Attribution
3748 * Declaration code should be conditionally compiled.
3753 * This variable contains the return type of free(). It is usually
3754 * void, but occasionally int.
3757 * This symbol is the type of pointer returned by malloc and realloc.
3759 #define Malloc_t $malloctype /**/
3760 #define Free_t $freetype /**/
3762 /* PERL_MALLOC_WRAP:
3763 * This symbol, if defined, indicates that we'd like malloc wrap checks.
3765 #$usemallocwrap PERL_MALLOC_WRAP /**/
3768 * This symbol, if defined, indicates that we're using our own malloc.
3770 #$d_mymalloc MYMALLOC /**/
3773 * This symbol holds the type used to declare file modes
3774 * for systems calls. It is usually mode_t, but may be
3775 * int or unsigned short. It may be necessary to include <sys/types.h>
3776 * to get any typedef'ed information.
3778 #define Mode_t $modetype /* file mode parameter for system calls */
3781 * This symbol is to be used during open() or fcntl(F_SETFL) to turn on
3782 * non-blocking I/O for the file descriptor. Note that there is no way
3783 * back, i.e. you cannot turn it blocking again this way. If you wish to
3784 * alternatively switch between blocking and non-blocking, use the
3785 * ioctl(FIOSNBIO) call instead, but that is not supported by all devices.
3788 * This symbol holds the errno error code set by read() when no data was
3789 * present on the non-blocking file descriptor.
3792 * This symbol holds the return code from read() when no data is present
3793 * on the non-blocking file descriptor. Be careful! If EOF_NONBLOCK is
3794 * not defined, then you can't distinguish between no data and EOF by
3795 * issuing a read(). You'll have to find another way to tell for sure!
3798 * This symbol, if defined, indicates to the C program that a read() on
3799 * a non-blocking file descriptor will return 0 on EOF, and not the value
3800 * held in RD_NODATA (-1 usually, in that case!).
3802 #define VAL_O_NONBLOCK $o_nonblock
3803 #define VAL_EAGAIN $eagain
3804 #define RD_NODATA $rd_nodata
3805 #$d_eofnblk EOF_NONBLOCK
3808 * This symbol, if defined, indicates that the system stores
3809 * the variable argument list datatype, va_list, in a format
3810 * that cannot be copied by simple assignment, so that some
3811 * other means must be used when copying is required.
3812 * As such systems vary in their provision (or non-provision)
3813 * of copying mechanisms, handy.h defines a platform-
3814 * independent macro, Perl_va_copy(src, dst), to do the job.
3816 #$need_va_copy NEED_VA_COPY /**/
3819 * This symbol holds the type used for the 1st argument
3820 * to gethostbyaddr().
3823 * This symbol holds the type used for the 2nd argument
3824 * to gethostbyaddr().
3827 * This symbol holds the type used for the argument to
3831 * This symbol holds the type used for the 1st argument to
3834 #define Netdb_host_t $netdb_host_type /**/
3835 #define Netdb_hlen_t $netdb_hlen_type /**/
3836 #define Netdb_name_t $netdb_name_type /**/
3837 #define Netdb_net_t $netdb_net_type /**/
3839 /* PERL_OTHERLIBDIRS:
3840 * This variable contains a colon-separated set of paths for the perl
3841 * binary to search for additional library files or modules.
3842 * These directories will be tacked to the end of @INC.
3843 * Perl will automatically search below each path for version-
3844 * and architecture-specific directories. See PERL_INC_VERSION_LIST
3847 #$d_perl_otherlibdirs PERL_OTHERLIBDIRS "$otherlibdirs" /**/
3850 * This symbol, if defined, tells that there's a 64-bit integer type,
3851 * Quad_t, and its unsigned counterpar, Uquad_t. QUADKIND will be one
3852 * of QUAD_IS_INT, QUAD_IS_LONG, QUAD_IS_LONG_LONG, or QUAD_IS_INT64_T.
3854 #$d_quad HAS_QUAD /**/
3856 # define Quad_t $quadtype /**/
3857 # define Uquad_t $uquadtype /**/
3858 # define QUADKIND $quadkind /**/
3859 # define QUAD_IS_INT 1
3860 # define QUAD_IS_LONG 2
3861 # define QUAD_IS_LONG_LONG 3
3862 # define QUAD_IS_INT64_T 4
3866 * This symbol defines the C type used for Perl's IV.
3869 * This symbol defines the C type used for Perl's UV.
3872 * This symbol defines the C type used for Perl's I8.
3875 * This symbol defines the C type used for Perl's U8.
3878 * This symbol defines the C type used for Perl's I16.
3881 * This symbol defines the C type used for Perl's U16.
3884 * This symbol defines the C type used for Perl's I32.
3887 * This symbol defines the C type used for Perl's U32.
3890 * This symbol defines the C type used for Perl's I64.
3893 * This symbol defines the C type used for Perl's U64.
3896 * This symbol defines the C type used for Perl's NV.
3899 * This symbol contains the sizeof(IV).
3902 * This symbol contains the sizeof(UV).
3905 * This symbol contains the sizeof(I8).
3908 * This symbol contains the sizeof(U8).
3911 * This symbol contains the sizeof(I16).
3914 * This symbol contains the sizeof(U16).
3917 * This symbol contains the sizeof(I32).
3920 * This symbol contains the sizeof(U32).
3923 * This symbol contains the sizeof(I64).
3926 * This symbol contains the sizeof(U64).
3929 * This symbol contains the sizeof(NV).
3932 * This symbol, if defined, indicates that a variable of type NVTYPE
3933 * can preserve all the bits of a variable of type UVTYPE.
3935 /* NV_PRESERVES_UV_BITS:
3936 * This symbol contains the number of bits a variable of type NVTYPE
3937 * can preserve of a variable of type UVTYPE.
3939 /* NV_ZERO_IS_ALLBITS_ZERO:
3940 * This symbol, if defined, indicates that a variable of type NVTYPE
3941 * stores 0.0 in memory as all bits zero.
3943 #define IVTYPE $ivtype /**/
3944 #define UVTYPE $uvtype /**/
3945 #define I8TYPE $i8type /**/
3946 #define U8TYPE $u8type /**/
3947 #define I16TYPE $i16type /**/
3948 #define U16TYPE $u16type /**/
3949 #define I32TYPE $i32type /**/
3950 #define U32TYPE $u32type /**/
3952 #define I64TYPE $i64type /**/
3953 #define U64TYPE $u64type /**/
3955 #define NVTYPE $nvtype /**/
3956 #define IVSIZE $ivsize /**/
3957 #define UVSIZE $uvsize /**/
3958 #define I8SIZE $i8size /**/
3959 #define U8SIZE $u8size /**/
3960 #define I16SIZE $i16size /**/
3961 #define U16SIZE $u16size /**/
3962 #define I32SIZE $i32size /**/
3963 #define U32SIZE $u32size /**/
3965 #define I64SIZE $i64size /**/
3966 #define U64SIZE $u64size /**/
3968 #define NVSIZE $nvsize /**/
3969 #$d_nv_preserves_uv NV_PRESERVES_UV
3970 #define NV_PRESERVES_UV_BITS $nv_preserves_uv_bits
3971 #$d_nv_zero_is_allbits_zero NV_ZERO_IS_ALLBITS_ZERO
3974 # if BYTEORDER == 0x1234
3976 # define BYTEORDER 0x12345678
3978 # if BYTEORDER == 0x4321
3980 # define BYTEORDER 0x87654321
3987 * This symbol defines the format string used for printing a Perl IV
3988 * as a signed decimal integer.
3991 * This symbol defines the format string used for printing a Perl UV
3992 * as an unsigned decimal integer.
3995 * This symbol defines the format string used for printing a Perl UV
3996 * as an unsigned octal integer.
3999 * This symbol defines the format string used for printing a Perl UV
4000 * as an unsigned hexadecimal integer in lowercase abcdef.
4003 * This symbol defines the format string used for printing a Perl UV
4004 * as an unsigned hexadecimal integer in uppercase ABCDEF.
4007 * This symbol defines the format string used for printing a Perl NV
4008 * using %e-ish floating point format.
4011 * This symbol defines the format string used for printing a Perl NV
4012 * using %f-ish floating point format.
4015 * This symbol defines the format string used for printing a Perl NV
4016 * using %g-ish floating point format.
4018 #define IVdf $ivdformat /**/
4019 #define UVuf $uvuformat /**/
4020 #define UVof $uvoformat /**/
4021 #define UVxf $uvxformat /**/
4022 #define UVXf $uvXUformat /**/
4023 #define NVef $nveformat /**/
4024 #define NVff $nvfformat /**/
4025 #define NVgf $nvgformat /**/
4028 * This symbol holds the type used to declare process ids in the kernel.
4029 * It can be int, uint, pid_t, etc... It may be necessary to include
4030 * <sys/types.h> to get any typedef'ed information.
4032 #define Pid_t $pidtype /* PID type */
4035 * This symbol contains the name of the private library for this package.
4036 * The library is private in the sense that it needn't be in anyone's
4037 * execution path, but it should be accessible by the world. The program
4038 * should be prepared to do ~ expansion.
4041 * This symbol contains the ~name expanded version of PRIVLIB, to be used
4042 * in programs that are not prepared to deal with ~ expansion at run-time.
4044 #define PRIVLIB "$privlib" /**/
4045 #define PRIVLIB_EXP "$privlibexp" /**/
4048 * If defined, this macro indicates that the C compiler can handle
4049 * function prototypes.
4052 * This macro is used to declare function parameters for folks who want
4053 * to make declarations with prototypes using a different style than
4054 * the above macros. Use double parentheses. For example:
4056 * int main _((int argc, char *argv[]));
4058 #$prototype CAN_PROTOTYPE /**/
4059 #ifdef CAN_PROTOTYPE
4060 #define _(args) args
4066 * This symbol contains the size of a pointer, so that the C preprocessor
4067 * can make decisions based on it. It will be sizeof(void *) if
4068 * the compiler supports (void *); otherwise it will be
4071 #define PTRSIZE $ptrsize /**/
4074 * This macro is to be used to generate uniformly distributed
4075 * random numbers over the range [0., 1.[. You may have to supply
4076 * an 'extern double drand48();' in your program since SunOS 4.1.3
4077 * doesn't provide you with anything relevant in its headers.
4078 * See HAS_DRAND48_PROTO.
4081 * This symbol defines the type of the argument of the
4082 * random seed function.
4085 * This symbol defines the macro to be used in seeding the
4086 * random number generator (see Drand01).
4089 * This symbol indicates how many bits are produced by the
4090 * function used to generate normalized random numbers.
4091 * Values include 15, 16, 31, and 48.
4093 #define Drand01() $drand01 /**/
4094 #define Rand_seed_t $randseedtype /**/
4095 #define seedDrand01(x) $seedfunc((Rand_seed_t)x) /**/
4096 #define RANDBITS $randbits /**/
4099 * This symbol holds the minimum number of bits operated by select.
4100 * That is, if you do select(n, ...), how many bits at least will be
4101 * cleared in the masks if some activity is detected. Usually this
4102 * is either n or 32*ceil(n/32), especially many little-endians do
4103 * the latter. This is only useful if you have select(), naturally.
4105 #define SELECT_MIN_BITS $selectminbits /**/
4108 * This symbol holds the type used for the 2nd, 3rd, and 4th
4109 * arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET
4110 * is defined, and 'int *' otherwise. This is only useful if you
4111 * have select(), of course.
4113 #define Select_fd_set_t $selecttype /**/
4116 * This symbol contains the full pathname to the shell used on this
4117 * on this system to execute Bourne shell scripts. Usually, this will be
4118 * /bin/sh, though it's possible that some systems will have /bin/ksh,
4119 * /bin/pdksh, /bin/ash, /bin/bash, or even something such as
4122 #define SH_PATH "$sh" /**/
4125 * This symbol contains a list of signal names in order of
4126 * signal number. This is intended
4127 * to be used as a static array initialization, like this:
4128 * char *sig_name[] = { SIG_NAME };
4129 * The signals in the list are separated with commas, and each signal
4130 * is surrounded by double quotes. There is no leading SIG in the signal
4131 * name, i.e. SIGQUIT is known as "QUIT".
4132 * Gaps in the signal numbers (up to NSIG) are filled in with NUMnn,
4133 * etc., where nn is the actual signal number (e.g. NUM37).
4134 * The signal number for sig_name[i] is stored in sig_num[i].
4135 * The last element is 0 to terminate the list with a NULL. This
4136 * corresponds to the 0 at the end of the sig_name_init list.
4137 * Note that this variable is initialized from the sig_name_init,
4138 * not from sig_name (which is unused).
4141 * This symbol contains a list of signal numbers, in the same order as the
4142 * SIG_NAME list. It is suitable for static array initialization, as in:
4143 * int sig_num[] = { SIG_NUM };
4144 * The signals in the list are separated with commas, and the indices
4145 * within that list and the SIG_NAME list match, so it's easy to compute
4146 * the signal name from a number or vice versa at the price of a small
4147 * dynamic linear lookup.
4148 * Duplicates are allowed, but are moved to the end of the list.
4149 * The signal number corresponding to sig_name[i] is sig_number[i].
4150 * if (i < NSIG) then sig_number[i] == i.
4151 * The last element is 0, corresponding to the 0 at the end of
4152 * the sig_name_init list.
4153 * Note that this variable is initialized from the sig_num_init,
4154 * not from sig_num (which is unused).
4157 * This variable contains the number of elements of the SIG_NAME
4158 * and SIG_NUM arrays, excluding the final NULL entry.
4160 #define SIG_NAME $sig_name_init /**/
4161 #define SIG_NUM $sig_num_init /**/
4162 #define SIG_SIZE $sig_size /**/
4165 * This symbol contains the name of the private library for this package.
4166 * The library is private in the sense that it needn't be in anyone's
4167 * execution path, but it should be accessible by the world. The program
4168 * should be prepared to do ~ expansion.
4169 * The standard distribution will put nothing in this directory.
4170 * After perl has been installed, users may install their own local
4171 * architecture-dependent modules in this directory with
4172 * MakeMaker Makefile.PL
4173 * or equivalent. See INSTALL for details.
4176 * This symbol contains the ~name expanded version of SITEARCH, to be used
4177 * in programs that are not prepared to deal with ~ expansion at run-time.
4179 #$d_sitearch SITEARCH "$sitearch" /**/
4180 #$d_sitearch SITEARCH_EXP "$sitearchexp" /**/
4183 * This symbol contains the name of the private library for this package.
4184 * The library is private in the sense that it needn't be in anyone's
4185 * execution path, but it should be accessible by the world. The program
4186 * should be prepared to do ~ expansion.
4187 * The standard distribution will put nothing in this directory.
4188 * After perl has been installed, users may install their own local
4189 * architecture-independent modules in this directory with
4190 * MakeMaker Makefile.PL
4191 * or equivalent. See INSTALL for details.
4194 * This symbol contains the ~name expanded version of SITELIB, to be used
4195 * in programs that are not prepared to deal with ~ expansion at run-time.
4198 * This define is SITELIB_EXP with any trailing version-specific component
4199 * removed. The elements in inc_version_list (inc_version_list.U) can
4200 * be tacked onto this variable to generate a list of directories to search.
4202 #define SITELIB "$sitelib" /**/
4203 #define SITELIB_EXP "$sitelibexp" /**/
4204 #define SITELIB_STEM "$sitelib_stem" /**/
4207 * This symbol holds the size of a Size_t in bytes.
4209 #define Size_t_size $sizesize /* */
4212 * This symbol holds the type used to declare length parameters
4213 * for string functions. It is usually size_t, but may be
4214 * unsigned long, int, etc. It may be necessary to include
4215 * <sys/types.h> to get any typedef'ed information.
4217 #define Size_t $sizetype /* length paramater for string functions */
4220 * This symbol holds the type used for the size argument of
4221 * various socket calls (just the base type, not the pointer-to).
4223 #define Sock_size_t $socksizetype /**/
4226 * This symbol holds the type used by functions that return
4227 * a count of bytes or an error condition. It must be a signed type.
4228 * It is usually ssize_t, but may be long or int, etc.
4229 * It may be necessary to include <sys/types.h> or <unistd.h>
4230 * to get any typedef'ed information.
4231 * We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
4233 #define SSize_t $ssizetype /* signed count of bytes */
4236 * This variable contains the string to put in front of a perl
4237 * script to make sure (one hopes) that it runs with perl and not
4240 #define STARTPERL "$startperl" /**/
4243 * This symbol is defined to be the type of char used in stdio.h.
4244 * It has the values "unsigned char" or "char".
4246 #define STDCHAR $stdchar /**/
4248 /* HAS_STDIO_STREAM_ARRAY:
4249 * This symbol, if defined, tells that there is an array
4250 * holding the stdio streams.
4252 /* STDIO_STREAM_ARRAY:
4253 * This symbol tells the name of the array holding the stdio streams.
4254 * Usual values include _iob, __iob, and __sF.
4256 #$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY /**/
4257 #define STDIO_STREAM_ARRAY $stdio_stream_array
4260 * This symbol defines the format string used for printing a Uid_t.
4262 #define Uid_t_f $uidformat /**/
4265 * This symbol holds the signedess of a Uid_t.
4266 * 1 for unsigned, -1 for signed.
4268 #define Uid_t_sign $uidsign /* UID sign */
4271 * This symbol holds the size of a Uid_t in bytes.
4273 #define Uid_t_size $uidsize /* UID size */
4276 * This symbol holds the type used to declare user ids in the kernel.
4277 * It can be int, ushort, uid_t, etc... It may be necessary to include
4278 * <sys/types.h> to get any typedef'ed information.
4280 #define Uid_t $uidtype /* UID type */
4283 * This symbol, if defined, indicates that 64-bit integers should
4284 * be used when available. If not defined, the native integers
4285 * will be employed (be they 32 or 64 bits). The minimal possible
4286 * 64-bitness is used, just enough to get 64-bit integers into Perl.
4287 * This may mean using for example "long longs", while your memory
4288 * may still be limited to 2 gigabytes.
4291 * This symbol, if defined, indicates that 64-bit integers should
4292 * be used when available. If not defined, the native integers
4293 * will be used (be they 32 or 64 bits). The maximal possible
4294 * 64-bitness is employed: LP64 or ILP64, meaning that you will
4295 * be able to use more than 2 gigabytes of memory. This mode is
4296 * even more binary incompatible than USE_64_BIT_INT. You may not
4297 * be able to run the resulting executable in a 32-bit CPU at all or
4298 * you may need at least to reboot your OS to 64-bit mode.
4300 #ifndef USE_64_BIT_INT
4301 #$use64bitint USE_64_BIT_INT /**/
4304 #ifndef USE_64_BIT_ALL
4305 #$use64bitall USE_64_BIT_ALL /**/
4309 * This symbol, if defined, indicates that Perl should
4310 * be built to use 'fast stdio'.
4311 * Defaults to define in Perls 5.8 and earlier, to undef later.
4313 #ifndef USE_FAST_STDIO
4314 #$usefaststdio USE_FAST_STDIO /**/
4318 * This symbol, if defined, indicates that large file support
4319 * should be used when available.
4321 #ifndef USE_LARGE_FILES
4322 #$uselargefiles USE_LARGE_FILES /**/
4326 * This symbol, if defined, indicates that long doubles should
4327 * be used when available.
4329 #ifndef USE_LONG_DOUBLE
4330 #$uselongdouble USE_LONG_DOUBLE /**/
4334 * This symbol, if defined, indicates that 64-bit interfaces and
4335 * long doubles should be used when available.
4337 #ifndef USE_MORE_BITS
4338 #$usemorebits USE_MORE_BITS /**/
4342 * This symbol, if defined, indicates that Perl should
4343 * be built to use multiplicity.
4345 #ifndef MULTIPLICITY
4346 #$usemultiplicity MULTIPLICITY /**/
4350 * This symbol, if defined, indicates that the PerlIO abstraction should
4351 * be used throughout. If not defined, stdio should be
4352 * used in a fully backward compatible manner.
4355 #$useperlio USE_PERLIO /**/
4359 * This symbol, if defined, indicates that Perl should
4360 * be built to use socks.
4363 #$usesocks USE_SOCKS /**/
4367 * This symbol, if defined, indicates that Perl should be built to
4368 * use the interpreter-based threading implementation.
4371 * This symbol, if defined, indicates that Perl should be built to
4372 * use the 5.005-based threading implementation.
4374 /* OLD_PTHREADS_API:
4375 * This symbol, if defined, indicates that Perl should
4376 * be built to use the old draft POSIX threads API.
4378 /* USE_REENTRANT_API:
4379 * This symbol, if defined, indicates that Perl should
4380 * try to use the various _r versions of library functions.
4381 * This is extremely experimental.
4383 #$use5005threads USE_5005THREADS /**/
4384 #$useithreads USE_ITHREADS /**/
4385 #if defined(USE_5005THREADS) && !defined(USE_ITHREADS)
4386 #define USE_THREADS /* until src is revised*/
4388 #$d_oldpthreads OLD_PTHREADS_API /**/
4389 #$usereentrant USE_REENTRANT_API /**/
4392 * If defined, this symbol contains the name of a private library.
4393 * The library is private in the sense that it needn't be in anyone's
4394 * execution path, but it should be accessible by the world.
4395 * It may have a ~ on the front.
4396 * The standard distribution will put nothing in this directory.
4397 * Vendors who distribute perl may wish to place their own
4398 * architecture-dependent modules and extensions in this directory with
4399 * MakeMaker Makefile.PL INSTALLDIRS=vendor
4400 * or equivalent. See INSTALL for details.
4402 /* PERL_VENDORARCH_EXP:
4403 * This symbol contains the ~name expanded version of PERL_VENDORARCH, to be used
4404 * in programs that are not prepared to deal with ~ expansion at run-time.
4406 #$d_vendorarch PERL_VENDORARCH "$vendorarch" /**/
4407 #$d_vendorarch PERL_VENDORARCH_EXP "$vendorarchexp" /**/
4409 /* PERL_VENDORLIB_EXP:
4410 * This symbol contains the ~name expanded version of VENDORLIB, to be used
4411 * in programs that are not prepared to deal with ~ expansion at run-time.
4413 /* PERL_VENDORLIB_STEM:
4414 * This define is PERL_VENDORLIB_EXP with any trailing version-specific component
4415 * removed. The elements in inc_version_list (inc_version_list.U) can
4416 * be tacked onto this variable to generate a list of directories to search.
4418 #$d_vendorlib PERL_VENDORLIB_EXP "$vendorlibexp" /**/
4419 #$d_vendorlib PERL_VENDORLIB_STEM "$vendorlib_stem" /**/
4422 * This symbol indicates how much support of the void type is given by this
4423 * compiler. What various bits mean:
4425 * 1 = supports declaration of void
4426 * 2 = supports arrays of pointers to functions returning void
4427 * 4 = supports comparisons between pointers to void functions and
4428 * addresses of void functions
4429 * 8 = suports declaration of generic void pointers
4431 * The package designer should define VOIDUSED to indicate the requirements
4432 * of the package. This can be done either by #defining VOIDUSED before
4433 * including config.h, or by defining defvoidused in Myinit.U. If the
4434 * latter approach is taken, only those flags will be tested. If the
4435 * level of void support necessary is not present, defines void to int.
4438 #define VOIDUSED $defvoidused
4440 #define VOIDFLAGS $voidflags
4441 #if (VOIDFLAGS & VOIDUSED) != VOIDUSED
4442 #define void int /* is void to be avoided? */
4443 #define M_VOID /* Xenix strikes again */