2 * This file is mangled by fndvers (and perhaps other scripts) to produce the config.h
3 * for Plan 9. It was handwritten because the standard configuration scripts were
4 * written in a shell dialect incomprehensible to Plan 9.
9 /* Configuration time: 21-Oct-1996 15:11
10 * Configured by: Luther Huffman, lutherh@stratcom.com
11 * Target system: Plan 9
18 * This macro catenates 2 tokens together.
21 #define CAT2(a,b)a ## b
22 #define CAT3(a,b,c)a ## b ## c
23 #define CAT4(a,b,c,d)a ## b ## c ## d
24 #define CAT5(a,b,c,d,e)a ## b ## c ## d ## e
26 #define STRINGIFY(a)StGiFy(a)
27 #define SCAT2(a,b)StGiFy(a) StGiFy(b)
28 #define SCAT3(a,b,c)StGiFy(a) StGiFy(b) StGiFy(c)
29 #define SCAT4(a,b,c,d)StGiFy(a) StGiFy(b) StGiFy(c) StGiFy(d)
30 #define SCAT5(a,b,c,d,e)StGiFy(a) StGiFy(b) StGiFy(c) StGiFy(d) StGiFy(e)
35 * This symbol contains the number of bytes required to align a
36 * double. Usual values are 2, 4 and 8.
38 #if (_P9P_OBJTYPE == 386) || (_P9P_OBJTYPE==power)
39 # define MEM_ALIGNBYTES 4 /* config-skip */
41 # if _P9P_OBJTYPE == 68020
42 # define MEM_ALIGNBYTES 2 /* config-skip */
44 # define MEM_ALIGNBYTES 8 /* config-skip */
49 * This symbol holds the path of the bin directory where the package will
50 * be installed. Program must be prepared to deal with ~name substitution.
53 * This symbol is the filename expanded version of the BIN symbol, for
54 * programs that do not want to deal with that at run-time.
56 #define BIN "/_P9P_OBJTYPE/bin" /* */
57 #define BIN_EXP "/_P9P_OBJTYPE/bin" /* */
60 * This symbol, if defined, indicates that Perl 5.004 should be
61 * binary-compatible with Perl 5.003.
63 #undef BINCOMPAT3 /**/
66 * This symbol contains the first part of the string which will invoke
67 * the C preprocessor on the standard input and produce to standard
68 * output. Typical value of "cc -E" or "/lib/cpp", but it can also
69 * call a wrapper. See CPPRUN.
72 * This symbol contains the second part of the string which will invoke
73 * the C preprocessor on the standard input and produce to standard
74 * output. This symbol will have the value "-" if CPPSTDIN needs a minus
75 * to specify standard input, otherwise the value is "".
77 #define CPPSTDIN "cpp"
81 * This symbol, if defined, indicates that the alarm routine is
84 #define HAS_ALARM /**/
87 * This symbol indicates the C compiler can check for function attributes,
88 * such as printf formats. This is normally only supported by GNU cc.
90 #undef HASATTRIBUTE /* config-skip*/
92 #define __attribute__(_arg_)
96 * This symbol is defined if the bcmp() routine is available to
97 * compare blocks of memory.
102 * This symbol is defined if the bcopy() routine is available to
103 * copy blocks of memory.
105 #define HAS_BCOPY /**/
108 * This symbol is defined if the bzero() routine is available to
109 * set a memory block to 0.
111 #define HAS_BZERO /**/
114 * This symbol is defined if the C compiler can cast negative
115 * or large floating point numbers to 32-bit ints.
120 * This symbol is defined if the C compiler can cast negative
121 * numbers to unsigned longs, ints and shorts.
124 * This symbol contains flags that say what difficulties the compiler
125 * has casting odd floating values to unsigned long:
127 * 1 = couldn't cast < 0
128 * 2 = couldn't cast >= 0x80000000
129 * 4 = couldn't cast in argument expression list
131 #undef CASTNEGFLOAT /**/
132 #if _P9P_OBJTYPE == 386
133 # define CASTFLAGS 3 /**/ /* config-skip */
135 # define CASTFLAGS 0 /**/ /* config-skip */
139 * This symbol, if defined, indicates that the chown routine is
142 #undef HAS_CHOWN /**/
145 * This symbol, if defined, indicates that the chroot routine is
148 #undef HAS_CHROOT /**/
151 * This symbol, if defined, indicates that the chsize routine is available
152 * to truncate files. You might need a -lx to get this routine.
154 #undef HAS_CHSIZE /**/
157 * This symbol, if defined, indicates that the closedir() routine
158 * does not return a value.
160 #define VOID_CLOSEDIR /**/
163 * This symbol, if defined, indicates that this C compiler knows about
164 * the const type. There is no need to actually test for that symbol
165 * within your programs. The mere use of the "const" keyword will
166 * trigger the necessary tests.
168 #define HASCONST /**/
171 * This symbol, if defined, indicates that the crypt routine is available
172 * to encrypt passwords and the like.
174 /* #define HAS_CRYPT /**/
177 * This symbol, if defined, indicates that the cuserid routine is
178 * available to get character login names.
180 #define HAS_CUSERID /**/
183 * This symbol, if defined, indicates that this system's <float.h>
184 * or <limits.h> defines the symbol DBL_DIG, which is the number
185 * of significant digits in a double precision number. If this
186 * symbol is not defined, a guess of 15 is usually pretty good.
188 #undef HAS_DBL_DIG /* */
191 * This symbol, if defined, indicates that the difftime routine is
194 #define HAS_DIFFTIME /**/
197 * This symbol, if defined, indicates that the dlerror routine is
198 * available to return a string describing the last error that
199 * occurred from a call to dlopen(), dlclose() or dlsym().
201 #undef HAS_DLERROR /**/
204 * This symbol, if defined, indicates that the dup2 routine is
205 * available to duplicate file descriptors.
207 #define HAS_DUP2 /**/
210 * This symbol, if defined, indicates that the fchmod routine is available
211 * to change mode of opened files. If unavailable, use chmod().
213 #undef HAS_FCHMOD /**/
216 * This symbol, if defined, indicates that the fchown routine is available
217 * to change ownership of opened files. If unavailable, use chown().
219 #undef HAS_FCHOWN /**/
222 * This symbol, if defined, indicates to the C program that
223 * the fcntl() function exists.
225 #define HAS_FCNTL /**/
228 * This symbol, if defined, indicates that the fgetpos routine is
229 * available to get the file position indicator, similar to ftell().
231 #define HAS_FGETPOS /**/
234 * This symbol, if defined, indicates that the system supports filenames
235 * longer than 14 characters.
237 #define FLEXFILENAMES /**/
240 * This symbol, if defined, indicates that the flock routine is
241 * available to do file locking.
243 #undef HAS_FLOCK /**/
246 * This symbol, if defined, indicates that the fork routine is
249 #define HAS_FORK /**/
252 * This symbol, if defined, indicates that the fsetpos routine is
253 * available to set the file position indicator, similar to fseek().
255 #define HAS_FSETPOS /**/
258 * This symbol, if defined, indicates that the getgroups() routine is
259 * available to get the list of process groups. If unavailable, multiple
260 * groups are probably not supported.
263 * This symbol, if defined, indicates that the setgroups() routine is
264 * available to set the list of process groups. If unavailable, multiple
265 * groups are probably not supported.
267 #undef HAS_GETGROUPS /* config-skip */
268 #undef HAS_SETGROUPS /* config-skip */
271 * This symbol, if defined, indicates that the gethostent routine is
272 * available to lookup host names in some data base or other.
274 #undef HAS_GETHOSTENT /* config-skip */
277 * This symbol, if defined, indicates that the C program may use the
278 * uname() routine to derive the host name. See also HAS_GETHOSTNAME
281 #undef HAS_UNAME /**/
284 * This symbol, if defined, indicates that the getlogin routine is
285 * available to get the login name.
287 #define HAS_GETLOGIN /**/
290 * This symbol, if defined, indicates that the getpgrp routine is
291 * available to get the current process group.
294 * This symbol, if defined, indicates that getpgrp needs one
295 * arguments whereas USG one needs none.
297 #define HAS_GETPGRP /**/
298 #undef USE_BSD_GETPGRP /**/
301 * This symbol, if defined, indicates that the getpgrp2() (as in DG/UX)
302 * routine is available to get the current process group.
304 #undef HAS_GETPGRP2 /**/
307 * This symbol, if defined, indicates that the getppid routine is
308 * available to get the parent process ID.
310 #define HAS_GETPPID /**/
313 * This symbol, if defined, indicates that the getpriority routine is
314 * available to get a process's priority.
316 #undef HAS_GETPRIORITY /**/
319 * This symbol, if defined, indicates that the gettimeofday() system
320 * call is available for a sub-second accuracy clock. Usually, the file
321 * <sys/resource.h> needs to be included (see I_SYS_RESOURCE).
322 * The type "Timeval" should be used to refer to "struct timeval".
324 #define HAS_GETTIMEOFDAY /**/
325 #define Timeval struct timeval /* Structure used by gettimeofday() */ /* config-skip */
328 * This symbol, if defined, indicates that the htonl() routine (and
329 * friends htons() ntohl() ntohs()) are available to do network
330 * order byte swapping.
333 * This symbol, if defined, indicates that the htons() routine (and
334 * friends htonl() ntohl() ntohs()) are available to do network
335 * order byte swapping.
338 * This symbol, if defined, indicates that the ntohl() routine (and
339 * friends htonl() htons() ntohs()) are available to do network
340 * order byte swapping.
343 * This symbol, if defined, indicates that the ntohs() routine (and
344 * friends htonl() htons() ntohl()) are available to do network
345 * order byte swapping.
347 #define HAS_HTONL /**/
349 #define HAS_HTONS /**/
351 #define HAS_NTOHL /**/
353 #define HAS_NTOHS /**/
356 * This symbol, if defined, indicates to the C program that the
357 * inet_aton() function is available to parse IP address "dotted-quad"
360 #undef HAS_INET_ATON /**/
363 * This manifest constant lets the C program know that isascii
366 #undef HAS_ISASCII /**/
369 * This symbol, if defined, indicates that the killpg routine is available
370 * to kill process groups. If unavailable, you probably should use kill
371 * with a negative process number.
373 #undef HAS_KILLPG /**/
376 * This symbol, if defined, indicates that the link routine is
377 * available to create hard links.
379 #define HAS_LINK /**/
382 * This symbol, if defined, indicates that the localeconv routine is
383 * available for numeric and monetary formatting conventions.
385 #define HAS_LOCALECONV /**/
388 * This symbol, if defined, indicates that the lockf routine is
389 * available to do file locking.
391 #undef HAS_LOCKF /**/
394 * This symbol, if defined, indicates that the lstat routine is
395 * available to do file stats on symbolic links.
397 #define HAS_LSTAT /**/
400 * This symbol, if defined, indicates that the mblen routine is available
401 * to find the number of bytes in a multibye character.
403 #define HAS_MBLEN /**/
406 * This symbol, if defined, indicates that the mbstowcs routine is
407 * available to covert a multibyte string into a wide character string.
409 #define HAS_MBSTOWCS /**/
412 * This symbol, if defined, indicates that the mbtowc routine is available
413 * to covert a multibyte to a wide character.
415 #define HAS_MBTOWC /**/
418 * This symbol, if defined, indicates that the memcmp routine is available
419 * to compare blocks of memory.
421 #define HAS_MEMCMP /**/
424 * This symbol, if defined, indicates that the memcpy routine is available
425 * to copy blocks of memory.
427 #define HAS_MEMCPY /**/
430 * This symbol, if defined, indicates that the memmove routine is available
431 * to copy potentially overlapping blocks of memory. This should be used
432 * only when HAS_SAFE_BCOPY is not defined. If neither is there, roll your
435 #define HAS_MEMMOVE /**/
438 * This symbol, if defined, indicates that the memset routine is available
439 * to set blocks of memory.
441 #define HAS_MEMSET /**/
444 * This symbol, if defined, indicates that the mkdir routine is available
445 * to create directories. Otherwise you should fork off a new process to
448 #define HAS_MKDIR /**/
451 * This symbol, if defined, indicates that the mkfifo routine is
452 * available to create FIFOs. Otherwise, mknod should be able to
453 * do it for you. However, if mkfifo is there, mknod might require
454 * super-user privileges which mkfifo will not.
456 #define HAS_MKFIFO /**/
459 * This symbol, if defined, indicates that the mktime routine is
462 #define HAS_MKTIME /**/
465 * This symbol, if defined, indicates that the entire msg*(2) library is
466 * supported (IPC mechanism based on message queues).
471 * This symbol, if defined, indicates that the nice routine is
477 * This manifest constant lets the C program know that the three
478 * argument form of open(2) is available.
480 #define HAS_OPEN3 /**/
483 * This symbol, if defined, indicates that pathconf() is available
484 * to determine file-system related limits and options associated
485 * with a given filename.
488 * This symbol, if defined, indicates that pathconf() is available
489 * to determine file-system related limits and options associated
490 * with a given open file descriptor.
492 #define HAS_PATHCONF /**/
493 #define HAS_FPATHCONF /**/
496 * This symbol, if defined, indicates that the pause routine is
497 * available to suspend a process until a signal is received.
499 #define HAS_PAUSE /**/
502 * This symbol, if defined, indicates that the pipe routine is
503 * available to create an inter-process channel.
505 #define HAS_PIPE /**/
508 * This symbol, if defined, indicates that the poll routine is
509 * available to poll active file descriptors.
514 * This symbol, if defined, indicates that the readdir routine is
515 * available to read directory entries. You may have to include
516 * <dirent.h>. See I_DIRENT.
518 #define HAS_READDIR /**/
521 * This symbol, if defined, indicates that the memcmp routine is available
522 * and can be used to compare relative magnitudes of chars with their high
523 * bits set. If it is not defined, roll your own version.
525 #define HAS_SANE_MEMCMP /**/
528 * This symbol, if defined, indicates that the seekdir routine is
529 * available. You may have to include <dirent.h>. See I_DIRENT.
531 #undef HAS_SEEKDIR /**/
534 * This symbol, if defined, indicates that the telldir routine is
535 * available. You may have to include <dirent.h>. See I_DIRENT.
537 #undef HAS_TELLDIR /**/
540 * This symbol, if defined, indicates that the rewinddir routine is
541 * available. You may have to include <dirent.h>. See I_DIRENT.
543 #define HAS_REWINDDIR /**/
546 * This symbol, if defined, indicates that the readlink routine is
547 * available to read the value of a symbolic link.
549 #define HAS_READLINK /**/
552 * This symbol, if defined, indicates that the rename routine is available
553 * to rename files. Otherwise you should do the unlink(), link(), unlink()
556 #define HAS_RENAME /**/
559 * This symbol, if defined, indicates that the rmdir routine is
560 * available to remove directories. Otherwise you should fork off a
561 * new process to exec /bin/rmdir.
563 #define HAS_RMDIR /**/
566 * This symbol, if defined, indicates that the bcopy routine is available
567 * to copy potentially overlapping memory blocks. Otherwise you should
568 * probably use memmove() or memcpy(). If neither is defined, roll your
571 #undef HAS_SAFE_BCOPY /**/
574 * This symbol, if defined, indicates that the memcpy routine is available
575 * to copy potentially overlapping memory blocks. Otherwise you should
576 * probably use memmove() or memcpy(). If neither is defined, roll your
579 #undef HAS_SAFE_MEMCPY /**/
582 * This symbol, if defined, indicates that the select routine is
583 * available to select active file descriptors. If the timeout field
584 * is used, <sys/time.h> may need to be included.
586 #define HAS_SELECT /* config-skip */
589 * This symbol, if defined, indicates that the entire sem*(2) library is
595 * This symbol, if defined, indicates that the setegid routine is available
596 * to change the effective gid of the current program.
598 #undef HAS_SETEGID /**/
601 * This symbol, if defined, indicates that the seteuid routine is available
602 * to change the effective uid of the current program.
604 #undef HAS_SETEUID /**/
607 * This symbol, if defined, indicates that the setlinebuf routine is
608 * available to change stderr or stdout from block-buffered or unbuffered
609 * to a line-buffered mode.
611 #undef HAS_SETLINEBUF /**/
614 * This symbol, if defined, indicates that the setlocale routine is
615 * available to handle locale-specific ctype implementations.
617 #define HAS_SETLOCALE /**/
620 * This symbol, if defined, indicates that the setpgid routine is
621 * available to set process group ID.
623 #define HAS_SETPGID /**/
626 * This symbol, if defined, indicates that the setpgrp routine is
627 * available to set the current process group.
630 * This symbol, if defined, indicates that the BSD notion of process
631 * group is to be used. For instance, you have to say setpgrp(pid, pgrp)
632 * instead of the USG setpgrp().
635 * This symbol, if defined, indicates that setpgrp needs two
636 * arguments whereas USG one needs none. See also HAS_SETPGID
637 * for a POSIX interface.
639 #undef HAS_SETPGRP /**/
640 #undef USE_BSDPGRP /**/
641 #undef USE_BSD_SETPGRP /**/
644 * This symbol, if defined, indicates that the setpgrp2() (as in DG/UX)
645 * routine is available to set the current process group.
647 #undef HAS_SETPGRP2 /**/
650 * This symbol, if defined, indicates that the setpriority routine is
651 * available to set a process's priority.
653 #undef HAS_SETPRIORITY /**/
656 * This symbol, if defined, indicates that the setregid routine is
657 * available to change the real and effective gid of the current
661 * This symbol, if defined, indicates that the setresgid routine is
662 * available to change the real, effective and saved gid of the current
665 #undef HAS_SETREGID /**/
666 #undef HAS_SETRESGID /**/
669 * This symbol, if defined, indicates that the setreuid routine is
670 * available to change the real and effective uid of the current
674 * This symbol, if defined, indicates that the setresuid routine is
675 * available to change the real, effective and saved uid of the current
678 #undef HAS_SETREUID /**/
679 #undef HAS_SETRESUID /**/
682 * This symbol, if defined, indicates that the setrgid routine is available
683 * to change the real gid of the current program.
685 #undef HAS_SETRGID /**/
688 * This symbol, if defined, indicates that the setruid routine is available
689 * to change the real uid of the current program.
691 #undef HAS_SETRUID /**/
694 * This symbol, if defined, indicates that the setsid routine is
695 * available to set the process group ID.
697 #define HAS_SETSID /**/
700 * This symbol, if defined, indicates that the entire shm*(2) library is
706 * This symbol holds the return type of the shmat() system call.
707 * Usually set to 'void *' or 'char *'.
709 /* HAS_SHMAT_PROTOTYPE:
710 * This symbol, if defined, indicates that the sys/shm.h includes
711 * a prototype for shmat(). Otherwise, it is up to the program to
712 * guess one. Shmat_t shmat _((int, Shmat_t, int)) is a good guess,
713 * but not always right so it should be emitted by the program only
714 * when HAS_SHMAT_PROTOTYPE is not defined to avoid conflicting defs.
716 #undef Shmat_t /* config-skip */
717 #undef HAS_SHMAT_PROTOTYPE /**/
720 * This symbol, if defined, indicates that Vr4's sigaction() routine
723 #define HAS_SIGACTION /**/
726 * This symbol, if defined, indicates that the BSD socket interface is
730 * This symbol, if defined, indicates that the BSD socketpair() call is
733 #define HAS_SOCKET /**/
734 #define HAS_SOCKETPAIR /**/
737 * This symbol, if defined, indicates that the strtod routine is
738 * available to provide better numeric string conversion than atof().
740 #define HAS_STRTOD /**/
743 * This symbol, if defined, indicates that the strtol routine is available
744 * to provide better numeric string conversion than atoi() and friends.
746 #define HAS_STRTOL /**/
749 * This symbol, if defined, indicates that the strtoul routine is
750 * available to provide conversion of strings to unsigned long.
752 #define HAS_STRTOUL /**/
755 * This symbol is defined if this system has a stat structure declaring
756 * st_blksize and st_blocks.
758 #undef USE_STAT_BLOCKS /**/
761 * This symbol is defined if the _ptr and _cnt fields (or similar)
762 * of the stdio FILE structure can be used to access the stdio buffer
763 * for a file handle. If this is defined, then the FILE_ptr(fp)
764 * and FILE_cnt(fp) macros will also be defined and should be used
765 * to access these fields.
768 * This symbol is defined if the _base field (or similar) of the
769 * stdio FILE structure can be used to access the stdio buffer for
770 * a file handle. If this is defined, then the FILE_base(fp) macro
771 * will also be defined and should be used to access this field.
772 * Also, the FILE_bufsiz(fp) macro will be defined and should be used
773 * to determine the number of bytes in the buffer. USE_STDIO_BASE
774 * will never be defined unless USE_STDIO_PTR is.
776 #undef USE_STDIO_PTR /**/
777 #undef USE_STDIO_BASE /**/
780 * This macro is used to access the _ptr field (or equivalent) of the
781 * FILE structure pointed to by its argument. This macro will always be
782 * defined if USE_STDIO_PTR is defined.
785 * This symbol is defined if the FILE_ptr macro can be used as an
789 * This macro is used to access the _cnt field (or equivalent) of the
790 * FILE structure pointed to by its argument. This macro will always be
791 * defined if USE_STDIO_PTR is defined.
794 * This symbol is defined if the FILE_cnt macro can be used as an
798 #define FILE_ptr(fp) ((fp)->_ptr)
799 #define STDIO_PTR_LVALUE /**/
800 #define FILE_cnt(fp) ((fp)->_cnt)
801 #define STDIO_CNT_LVALUE /**/
805 * This macro is used to access the _base field (or equivalent) of the
806 * FILE structure pointed to by its argument. This macro will always be
807 * defined if USE_STDIO_BASE is defined.
810 * This macro is used to determine the number of bytes in the I/O
811 * buffer pointed to by _base field (or equivalent) of the FILE
812 * structure pointed to its argument. This macro will always be defined
813 * if USE_STDIO_BASE is defined.
815 #ifdef USE_STDIO_BASE
816 #define FILE_base(fp) ((fp)->_base)
817 #define FILE_bufsiz(fp) ((fp)->_cnt + (fp)->_ptr - (fp)->_base)
821 * This symbol is defined to indicate that the strchr()/strrchr()
822 * functions are available for string searching. If not, try the
823 * index()/rindex() pair.
826 * This symbol is defined to indicate that the index()/rindex()
827 * functions are available for string searching.
829 #define HAS_STRCHR /**/
830 #undef HAS_INDEX /**/
833 * This symbol, if defined, indicates that the strcoll routine is
834 * available to compare strings using collating information.
836 #define HAS_STRCOLL /**/
839 * This symbol, if defined, indicates that this C compiler knows how
840 * to copy structures. If undefined, you'll need to use a block copy
841 * routine of some sort instead.
843 #define USE_STRUCT_COPY /**/
846 * This symbol, if defined, indicates that the strerror routine is
847 * available to translate error numbers to strings. See the writeup
848 * of Strerror() in this file before you try to define your own.
851 * This symbol, if defined, indicates that the sys_errlist array is
852 * available to translate error numbers to strings. The extern int
853 * sys_nerr gives the size of that table.
856 * This preprocessor symbol is defined as a macro if strerror() is
857 * not available to translate error numbers to strings but sys_errlist[]
860 #define HAS_STRERROR /**/
861 #define HAS_SYS_ERRLIST /**/
862 #define Strerror(e) strerror(e)
865 * This symbol, if defined, indicates that the strxfrm() routine is
866 * available to transform strings.
868 #define HAS_STRXFRM /**/
871 * This symbol, if defined, indicates that the symlink routine is available
872 * to create symbolic links.
874 #define HAS_SYMLINK /**/
877 * This symbol, if defined, indicates that the syscall routine is
878 * available to call arbitrary system calls. If undefined, that's tough.
880 #undef HAS_SYSCALL /**/
883 * This symbol, if defined, indicates that sysconf() is available
884 * to determine system related limits and options.
886 #define HAS_SYSCONF /**/
889 * This symbol, if defined, indicates that the system routine is
890 * available to issue a shell command.
892 #define HAS_SYSTEM /**/
895 * This symbol, if defined, indicates that the tcgetpgrp routine is
896 * available to get foreground process group ID.
898 #define HAS_TCGETPGRP /**/
901 * This symbol, if defined, indicates that the tcsetpgrp routine is
902 * available to set foreground process group ID.
904 #define HAS_TCSETPGRP /**/
907 * This symbol holds the type returned by time(). It can be long,
908 * or time_t on BSD sites (in which case <sys/types.h> should be
911 #define Time_t time_t /* Time type */
914 * This symbol, if defined, indicates that the times() routine exists.
915 * Note that this became obsolete on some systems (SUNOS), which now
916 * use getrusage(). It may be necessary to include <sys/times.h>.
918 #define HAS_TIMES /**/
921 * This symbol, if defined, indicates that the truncate routine is
922 * available to truncate files.
924 #undef HAS_TRUNCATE /**/
927 * This symbol, if defined, indicates that the tzname[] array is
928 * available to access timezone names.
930 #define HAS_TZNAME /**/
933 * This symbol, if defined, indicates that the umask routine is
934 * available to set and get the value of the file creation mask.
936 #define HAS_UMASK /**/
939 * This symbol, if defined, indicates that vfork() exists.
941 #undef HAS_VFORK /**/
944 * This symbol's value is either "void" or "int", corresponding to the
945 * appropriate return type of a signal handler. Thus, you can declare
946 * a signal handler using "Signal_t (*handler)()", and define the
947 * handler using "Signal_t handler(sig)".
949 #define Signal_t void /* Signal handler's return type */
952 * This symbol, if defined, indicates that this C compiler knows about
953 * the volatile declaration.
955 #define HASVOLATILE /**/
957 #define volatile /* config-skip */
961 * This symbol, if defined, indicates that the vprintf routine is available
962 * to printf with a pointer to an argument list. If unavailable, you
963 * may need to write your own, probably in terms of _doprnt().
965 /* USE_CHAR_VSPRINTF:
966 * This symbol is defined if this system has vsprintf() returning type
967 * (char*). The trend seems to be to declare it as "int vsprintf()". It
968 * is up to the package author to declare vsprintf correctly based on the
971 #define HAS_VPRINTF /**/
972 #define USE_CHAR_VSPRINTF /**/
975 * This symbol, if defined, indicates that wait4() exists.
977 #undef HAS_WAIT4 /**/
980 * This symbol, if defined, indicates that the waitpid routine is
981 * available to wait for child process.
983 #undef HAS_WAITPID /**/
986 * This symbol, if defined, indicates that the wcstombs routine is
987 * available to convert wide character strings to multibyte strings.
989 #define HAS_WCSTOMBS /**/
992 * This symbol, if defined, indicates that the wctomb routine is available
993 * to covert a wide character to a multibyte.
995 #define HAS_WCTOMB /**/
998 * This symbol holds the type used to declare file positions in libc.
999 * It can be fpos_t, long, uint, etc... It may be necessary to include
1000 * <sys/types.h> to get any typedef'ed information.
1002 #define Fpos_t fpos_t /* File position type */
1005 * This symbol holds the return type of getgid() and the type of
1006 * argument to setrgid() and related functions. Typically,
1007 * it is the type of group ids in the kernel. It can be int, ushort,
1008 * uid_t, etc... It may be necessary to include <sys/types.h> to get
1009 * any typedef'ed information.
1011 #define Gid_t gid_t /* config-skip */
1014 * This symbol holds the type used for the second argument to
1015 * [gs]etgroups(). Usually, this is the same of gidtype, but
1016 * sometimes it isn't. It can be int, ushort, uid_t, etc...
1017 * It may be necessary to include <sys/types.h> to get any
1018 * typedef'ed information. This is only required if you have
1019 * getgroups() or setgroups().
1021 #if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS)
1022 #define Groups_t gid_t /* Type for 2nd arg to [gs]etgroups() */
1026 * This symbol contains the type of the prefix structure element
1027 * in the <db.h> header file. In older versions of DB, it was
1028 * int, while in newer ones it is u_int32_t.
1031 * This symbol contains the type of the prefix structure element
1032 * in the <db.h> header file. In older versions of DB, it was
1033 * int, while in newer ones it is size_t.
1035 #define DB_Hash_t int /**/
1036 #define DB_Prefix_t int /**/
1039 * This symbol, if defined, indicates to the C program that it should
1040 * include <dirent.h>. Using this symbol also triggers the definition
1041 * of the Direntry_t define which ends up being 'struct dirent' or
1042 * 'struct direct' depending on the availability of <dirent.h>.
1045 * This symbol, if defined, indicates to the C program that the length
1046 * of directory entry names is provided by a d_namlen field. Otherwise
1047 * you need to do strlen() on the d_name field.
1050 * This symbol is set to 'struct direct' or 'struct dirent' depending on
1051 * whether dirent is available or not. You should use this pseudo type to
1052 * portably declare your directory entries.
1054 #define I_DIRENT /**/
1055 #undef DIRNAMLEN /**/
1056 #define Direntry_t struct dirent
1059 * This symbol, if defined, indicates that <dlfcn.h> exists and should
1065 * This manifest constant tells the C program to include <fcntl.h>.
1067 #define I_FCNTL /**/
1070 * This symbol, if defined, indicates to the C program that it should
1071 * include <float.h> to get definition of symbols like DBL_MAX or
1072 * DBL_MIN, i.e. machine dependent floating point values.
1074 #define I_FLOAT /**/
1077 * This symbol, if defined, indicates to the C program that it should
1083 * This symbol, if defined, indicates to the C program that it should
1084 * include <limits.h> to get definition of symbols like WORD_BIT or
1085 * LONG_MAX, i.e. machine dependant limitations.
1087 #define I_LIMITS /**/
1090 * This symbol, if defined, indicates to the C program that it should
1096 * This symbol, if defined, indicates to the C program that it should
1097 * include <memory.h>.
1099 #undef I_MEMORY /**/
1102 * This symbol, if defined, indicates that <ndbm.h> exists and should
1108 * This symbol, if defined, indicates that <net/errno.h> exists and
1109 * should be included.
1111 #undef I_NET_ERRNO /* config-skip */
1114 * This symbol, if defined, indicates to the C program that it should
1115 * include <netinet/in.h>. Otherwise, you may try <sys/in.h>.
1117 #define I_NETINET_IN /* config-skip */
1120 * This symbol, if defined, indicates to the C program that it should
1124 * This symbol, if defined, indicates to the C program that struct passwd
1125 * contains pw_quota.
1128 * This symbol, if defined, indicates to the C program that struct passwd
1132 * This symbol, if defined, indicates to the C program that struct passwd
1133 * contains pw_change.
1136 * This symbol, if defined, indicates to the C program that struct passwd
1137 * contains pw_class.
1140 * This symbol, if defined, indicates to the C program that struct passwd
1141 * contains pw_expire.
1144 * This symbol, if defined, indicates to the C program that struct passwd
1145 * contains pw_comment.
1148 * This symbol, if defined, indicates to the C program that struct passwd
1149 * contains pw_gecos.
1154 #undef PWCHANGE /**/
1156 #undef PWEXPIRE /**/
1157 #define PWGECOS /**/
1158 #undef PWCOMMENT /**/
1161 * This symbol, if defined, indicates that <stddef.h> exists and should
1164 #define I_STDDEF /**/
1167 * This symbol, if defined, indicates that <stdlib.h> exists and should
1170 #define I_STDLIB /**/
1173 * This symbol, if defined, indicates to the C program that it should
1174 * include <string.h> (USG systems) instead of <strings.h> (BSD systems).
1176 #define I_STRING /**/
1179 * This symbol, if defined, indicates to the C program that it should
1180 * include <sys/dir.h>.
1182 #undef I_SYS_DIR /**/
1185 * This symbol, if defined, indicates to the C program that it should
1186 * include <sys/file.h> to get definition of R_OK and friends.
1188 #undef I_SYS_FILE /**/
1191 * This symbol, if defined, indicates that <sys/ioctl.h> exists and should
1192 * be included. Otherwise, include <sgtty.h> or <termio.h>.
1194 #define I_SYS_IOCTL /**/
1197 * This symbol, if defined, indicates to the C program that it should
1198 * include <sys/ndir.h>.
1200 #undef I_SYS_NDIR /**/
1203 * This symbol, if defined, indicates to the C program that it should
1204 * include <sys/param.h>.
1206 #define I_SYS_PARAM /**/
1208 /* Plan 9: file position in Plan 9 is <select.h> */
1210 * This symbol, if defined, indicates to the C program that it should
1211 * include <sys/select.h> in order to get definition of struct timeval.
1213 #undef I_SYS_SELECT /**/
1216 * This symbol, if defined, indicates to the C program that it should
1217 * include <sys/times.h>.
1219 #define I_SYS_TIMES /**/
1222 * This symbol, if defined, indicates to the C program that it should
1223 * include <sys/types.h>.
1225 #define I_SYS_TYPES /**/
1228 * This symbol, if defined, indicates to the C program that it should
1229 * include <sys/un.h> to get UNIX domain socket definitions.
1231 #define I_SYS_UN /**/
1234 * This symbol, if defined, indicates that the program should include
1235 * <termio.h> rather than <sgtty.h>. There are also differences in
1236 * the ioctl() calls that depend on the value of this symbol.
1239 * This symbol, if defined, indicates that the program should include
1240 * the POSIX termios.h rather than sgtty.h or termio.h.
1241 * There are also differences in the ioctl() calls that depend on the
1242 * value of this symbol.
1245 * This symbol, if defined, indicates that the program should include
1246 * <sgtty.h> rather than <termio.h>. There are also differences in
1247 * the ioctl() calls that depend on the value of this symbol.
1249 #undef I_TERMIO /**/
1250 #define I_TERMIOS /**/
1253 /* Plan 9: P9 has both <time.h> and <sys/time.h> */
1255 * This symbol, if defined, indicates to the C program that it should
1259 * This symbol, if defined, indicates to the C program that it should
1260 * include <sys/time.h>.
1262 /* I_SYS_TIME_KERNEL:
1263 * This symbol, if defined, indicates to the C program that it should
1264 * include <sys/time.h> with KERNEL defined.
1267 #define I_SYS_TIME /**/
1268 #undef I_SYS_TIME_KERNEL /**/
1271 * This symbol, if defined, indicates to the C program that it should
1272 * include <unistd.h>.
1274 #define I_UNISTD /**/
1277 * This symbol, if defined, indicates to the C program that it should
1278 * include <utime.h>.
1280 #define I_UTIME /**/
1283 * This symbol, if defined, indicates to the C program that it should
1289 * This symbol holds the type used to declare offsets in the kernel.
1290 * It can be int, long, off_t, etc... It may be necessary to include
1291 * <sys/types.h> to get any typedef'ed information.
1293 #define Off_t off_t /* <offset> type */
1296 * This symbol holds the type used to declare file modes
1297 * for systems calls. It is usually mode_t, but may be
1298 * int or unsigned short. It may be necessary to include <sys/types.h>
1299 * to get any typedef'ed information.
1301 #define Mode_t mode_t /* file mode parameter for system calls */
1304 * If defined, this macro indicates that the C compiler can handle
1305 * function prototypes.
1308 * This macro is used to declare function parameters for folks who want
1309 * to make declarations with prototypes using a different style than
1310 * the above macros. Use double parentheses. For example:
1312 * int main _((int argc, char *argv[]));
1314 #define CAN_PROTOTYPE /**/
1315 #ifdef CAN_PROTOTYPE
1316 #define _(args) args /* config-skip */
1318 #define _(args) () /* config-skip */
1322 * This symbol contains the number of bits of random number the rand()
1323 * function produces. Usual values are 15, 16, and 31.
1325 #define RANDBITS 15 /**/
1328 * This symbol holds the type used for the 2nd, 3rd, and 4th
1329 * arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET
1330 * is defined, and 'int *' otherwise. This is only useful if you
1331 * have select(), of course.
1333 #define Select_fd_set_t fd_set * /**/
1336 * This symbol holds the type used to declare length parameters
1337 * for string functions. It is usually size_t, but may be
1338 * unsigned long, int, etc. It may be necessary to include
1339 * <sys/types.h> to get any typedef'ed information.
1341 #define Size_t size_t /* length paramater for string functions */
1344 * This symbol holds the type used by functions that return
1345 * a count of bytes or an error condition. It must be a signed type.
1346 * It is usually ssize_t, but may be long or int, etc.
1347 * It may be necessary to include <sys/types.h> or <unistd.h>
1348 * to get any typedef'ed information.
1349 * We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
1351 #define SSize_t ssize_t /* signed count of bytes */
1354 * This symbol is defined to be the type of char used in stdio.h.
1355 * It has the values "unsigned char" or "char".
1357 #define STDCHAR char /**/
1360 * This symbol holds the type used to declare user ids in the kernel.
1361 * It can be int, ushort, uid_t, etc... It may be necessary to include
1362 * <sys/types.h> to get any typedef'ed information.
1364 #define Uid_t uid_t /* UID type */
1367 This symbol, if defined, indicates that the program is running under the
1368 * Plan 9 operating system.
1372 #define OSNAME "plan9"
1374 #define BIN_SH "/bin/rc" /* config-skip */
1377 * This symbol, if defined, indicates that we're using our own malloc.
1379 #undef MYMALLOC /**/
1382 #undef VMS /* config-skip */
1385 * This symbol holds the complete pathname to the sed program.
1387 #define LOC_SED "/bin/sed" /**/
1390 * This symbol contains the ~name expanded version of ARCHLIB, to be used
1391 * in programs that are not prepared to deal with ~ expansion at run-time.
1393 #define ARCHLIB_EXP "/_P9P_OBJTYPE/lib/perl/_P9P_VERSION"
1394 #define ARCHLIB "/_P9P_OBJTYPE/lib/perl/_P9P_VERSION"
1397 * This symbol holds a string representing the architecture name.
1398 * It may be used to construct an architecture-dependant pathname
1399 * where library files may be held under a private library, for
1402 #define ARCHNAME "plan9__P9P_OBJTYPE" /**/
1405 * This symbol hold the hexadecimal constant defined in byteorder,
1406 * i.e. 0x1234 or 0x4321, etc...
1408 #if _P9P_OBJTYPE == 386
1409 # define BYTEORDER 0x1234 /* little-endian */ /* config-skip */
1411 # define BYTEORDER 0x4321 /* big-endian */ /* config-skip */
1415 * This symbol, if defined, indicates that the C-shell exists.
1416 * If defined, contains the full pathname of csh.
1420 /* DLSYM_NEEDS_UNDERSCORE:
1421 * This symbol, if defined, indicates that we need to prepend an
1422 * underscore to the symbol name before calling dlsym(). This only
1423 * makes sense if you *have* dlsym, which we will presume is the
1424 * case if you're using dl_dlopen.xs.
1426 #undef DLSYM_NEEDS_UNDERSCORE /* */
1428 /* SETUID_SCRIPTS_ARE_SECURE_NOW:
1429 * This symbol, if defined, indicates that the bug that prevents
1430 * setuid scripts from being secure is not present in this kernel.
1433 * This symbol, if defined, indicates that the C program should
1434 * check the script that it is executing for setuid/setgid bits, and
1435 * attempt to emulate setuid/setgid on systems that have disabled
1436 * setuid #! scripts because the kernel can't do it securely.
1437 * It is up to the package designer to make sure that this emulation
1438 * is done securely. Among other things, it should do an fstat on
1439 * the script it just opened to make sure it really is a setuid/setgid
1440 * script, it should make sure the arguments passed correspond exactly
1441 * to the argument on the #! line, and it should not trust any
1442 * subprocesses to which it must pass the filename rather than the
1443 * file descriptor of the script to be executed.
1445 #define SETUID_SCRIPTS_ARE_SECURE_NOW /**/
1449 * This preprocessor macro is defined to convert a floating point
1450 * number to a string without a trailing decimal point. This
1451 * emulates the behavior of sprintf("%g"), but is sometimes much more
1452 * efficient. If gconvert() is not available, but gcvt() drops the
1453 * trailing decimal point, then gcvt() is used. If all else fails,
1454 * a macro using sprintf("%g") is used. Arguments for the Gconvert
1455 * macro are: value, number of digits, whether trailing zeros should
1456 * be retained, and the output buffer.
1457 * Possible values are:
1458 * d_Gconvert='gconvert((x),(n),(t),(b))'
1459 * d_Gconvert='gcvt((x),(n),(b))'
1460 * d_Gconvert='sprintf((b),"%.*g",(n),(x))'
1461 * The last two assume trailing zeros should not be kept.
1463 #define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
1466 * This is the buffer type to be used with Sigsetjmp and Siglongjmp.
1469 * This macro is used in the same way as sigsetjmp(), but will invoke
1470 * traditional setjmp() if sigsetjmp isn't available.
1473 * This macro is used in the same way as siglongjmp(), but will invoke
1474 * traditional longjmp() if siglongjmp isn't available.
1476 #define HAS_SIGSETJMP /**/ /* config-skip */
1477 #define Sigjmp_buf sigjmp_buf /* config-skip */
1478 #define Sigsetjmp(buf,save_mask) sigsetjmp(buf,save_mask) /* config-skip */
1479 #define Siglongjmp(buf,retval) siglongjmp(buf,retval) /* config-skip */
1481 /* USE_DYNAMIC_LOADING:
1482 * This symbol, if defined, indicates that dynamic loading of
1483 * some sort is available.
1485 #undef USE_DYNAMIC_LOADING /**/
1488 * This symbol, if defined, indicates that <dbm.h> exists and should
1492 * This symbol, if defined, indicates that <rpcsvc/dbm.h> exists and
1493 * should be included.
1496 #undef I_RPCSVC_DBM /**/
1499 * This symbol, if defined, indicates to the C program that it should
1500 * include <locale.h>.
1502 #define I_LOCALE /**/
1505 * This symbol, if defined, indicates to the C program that it should
1506 * include <sys/stat.h>.
1508 #define I_SYS_STAT /**/
1511 * This symbol, if defined, indicates that <stdarg.h> exists and should
1515 * This symbol, if defined, indicates to the C program that it should
1516 * include <varargs.h>.
1518 #define I_STDARG /**/
1519 #undef I_VARARGS /**/
1522 * This symbol contains the value of sizeof(int) so that the C
1523 * preprocessor can make decisions based on it.
1526 * This symbol contains the value of sizeof(long) so that the C
1527 * preprocessor can make decisions based on it.
1530 * This symbol contains the value of sizeof(short) so that the C
1531 * preprocessor can make decisions based on it.
1533 #define INTSIZE 4 /**/
1534 #define LONGSIZE 4 /**/
1535 #define SHORTSIZE 2 /**/
1538 * This variable contains the return type of free(). It is usually
1539 * void, but occasionally int.
1542 * This symbol is the type of pointer returned by malloc and realloc.
1544 #define Malloc_t void * /**/
1545 #define Free_t void /**/
1548 * This symbol is to be used during open() or fcntl(F_SETFL) to turn on
1549 * non-blocking I/O for the file descriptor. Note that there is no way
1550 * back, i.e. you cannot turn it blocking again this way. If you wish to
1551 * alternatively switch between blocking and non-blocking, use the
1552 * ioctl(FIOSNBIO) call instead, but that is not supported by all devices.
1555 * This symbol holds the errno error code set by read() when no data was
1556 * present on the non-blocking file descriptor.
1559 * This symbol holds the return code from read() when no data is present
1560 * on the non-blocking file descriptor. Be careful! If EOF_NONBLOCK is
1561 * not defined, then you can't distinguish between no data and EOF by
1562 * issuing a read(). You'll have to find another way to tell for sure!
1565 * This symbol, if defined, indicates to the C program that a read() on
1566 * a non-blocking file descriptor will return 0 on EOF, and not the value
1567 * held in RD_NODATA (-1 usually, in that case!).
1569 #define VAL_O_NONBLOCK O_NONBLOCK
1570 #define VAL_EAGAIN EAGAIN
1571 #define RD_NODATA -1
1572 #define EOF_NONBLOCK
1575 * This symbol contains the ~name expanded version of OLDARCHLIB, to be
1576 * used in programs that are not prepared to deal with ~ expansion at
1579 #undef OLDARCHLIB_EXP /**/
1580 #undef OLDARCHLIB /**/
1583 * This symbol contains the ~name expanded version of PRIVLIB, to be used
1584 * in programs that are not prepared to deal with ~ expansion at run-time.
1586 #define PRIVLIB_EXP "/sys/lib/perl" /* */
1587 #define PRIVLIB "/sys/lib/perl" /* */
1590 * This symbol contains a list of signal names in order of
1591 * signal number. This is intended
1592 * to be used as a static array initialization, like this:
1593 * char *sig_name[] = { SIG_NAME };
1594 * The signals in the list are separated with commas, and each signal
1595 * is surrounded by double quotes. There is no leading SIG in the signal
1596 * name, i.e. SIGQUIT is known as "QUIT".
1597 * Gaps in the signal numbers (up to NSIG) are filled in with NUMnn,
1598 * etc., where nn is the actual signal number (e.g. NUM37).
1599 * The signal number for sig_name[i] is stored in sig_num[i].
1600 * The last element is 0 to terminate the list with a NULL. This
1601 * corresponds to the 0 at the end of the sig_num list.
1604 * This symbol contains a list of signal numbers, in the same order as the
1605 * SIG_NAME list. It is suitable for static array initialization, as in:
1606 * int sig_num[] = { SIG_NUM };
1607 * The signals in the list are separated with commas, and the indices
1608 * within that list and the SIG_NAME list match, so it's easy to compute
1609 * the signal name from a number or vice versa at the price of a small
1610 * dynamic linear lookup.
1611 * Duplicates are allowed, but are moved to the end of the list.
1612 * The signal number corresponding to sig_name[i] is sig_number[i].
1613 * if (i < NSIG) then sig_number[i] == i.
1614 * The last element is 0, corresponding to the 0 at the end of
1615 * the sig_name list.
1617 #define SIG_NAME "ZERO","HUP","INT","QUIT","ILL","ABRT","FPE","KILL","SEGV","PIPE","ALRM","TERM","USR1","USR2","CHLD","CONT","STOP","TSTP","TTIN","TTOU",0 /* config-skip */
1618 #define SIG_NUM 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,0 /* config-skip */
1621 * This symbol contains the ~name expanded version of SITELIB, to be used
1622 * in programs that are not prepared to deal with ~ expansion at run-time.
1624 #define SITELIB_EXP "/sys/lib/perl/site_perl" /* */
1625 #define SITELIB "/sys/lib/perl/site_perl" /* */
1628 * This symbol contains the ~name expanded version of SITEARCH, to be used
1629 * in programs that are not prepared to deal with ~ expansion at run-time.
1631 #define SITEARCH_EXP "/_P9P_OBJTYPE/lib/perl/_P9P_VERSION/site_perl" /* */
1632 #define SITEARCH "/_P9P_OBJTYPE/lib/perl/_P9P_VERSION/site_perl" /* */
1635 * This variable contains the string to put in front of a perl
1636 * script to make sure (one hopes) that it runs with perl and not
1639 #define STARTPERL "#!/bin/perl" /**/
1642 * Just here to shut up compiler warnings.
1644 #define SH_PATH "/bin/rc" /**/
1646 #define PERLIO_IS_STDIO /* config-skip */
1650 * This symbol, if defined, indicates that the PerlIO abstraction should
1651 * be used throughout. If not defined, stdio should be
1652 * used in a fully backward compatible manner.
1654 #undef USE_PERLIO /**/
1657 * This symbol, if defined, indicates that sfio should
1660 #undef USE_SFIO /**/
1663 * This symbol, if defined, indicates to the C program that
1664 * the getpgid(pid) function is available to get the
1667 #undef HAS_GETPGID /**/
1670 * This symbol, if defined, indicates to the C program that it should
1671 * include <sys/resource.h>.
1673 #define I_SYS_RESOURCE /**/
1676 * This symbol, if defined, indicates to the C program that it should
1677 * include <sys/wait.h>.
1679 #define I_SYS_WAIT /**/
1682 * This symbol, if defined, indicates to the C program that it should
1683 * include <values.h> to get definition of symbols like MINFLOAT or
1684 * MAXLONG, i.e. machine dependant limitations. Probably, you
1685 * should use <limits.h> instead, if it is available.
1687 #undef I_VALUES /**/
1690 * This symbol indicates how much support of the void type is given by this
1691 * compiler. What various bits mean:
1693 * 1 = supports declaration of void
1694 * 2 = supports arrays of pointers to functions returning void
1695 * 4 = supports comparisons between pointers to void functions and
1696 * addresses of void functions
1697 * 8 = suports declaration of generic void pointers
1699 * The package designer should define VOIDUSED to indicate the requirements
1700 * of the package. This can be done either by #defining VOIDUSED before
1701 * including config.h, or by defining defvoidused in Myinit.U. If the
1702 * latter approach is taken, only those flags will be tested. If the
1703 * level of void support necessary is not present, defines void to int.
1708 #define VOIDFLAGS 15
1709 #if (VOIDFLAGS & VOIDUSED) != VOIDUSED
1710 #define void int /* is void to be avoided? */ /* config-skip */
1711 #define M_VOID /* Xenix strikes again */ /* config-skip */