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[perl5.git] / Configure
1 #! /bin/sh
2 #
3 # If these # comments don't work, trim them. Don't worry about any other
4 # shell scripts, Configure will trim # comments from them for you.
5 #
6 # (If you are trying to port this package to a machine without sh,
7 # I would suggest you have a look at the prototypical config_h.SH file
8 # and edit it to reflect your system. Some packages may include samples
9 # of config.h for certain machines, so you might look for one of those.)
10 #
11 # Yes, you may rip this off to use in other distribution packages. This
12 # script belongs to the public domain and cannot be copyrighted.
13 #
14 # (Note: this Configure script was generated automatically. Rather than
15 # working with this copy of Configure, you may wish to get metaconfig.
16 # The dist-3.0 package (which contains metaconfig) was posted in
17 # comp.sources.misc and is available on CPAN under authors/id/RAM so
18 # you may fetch it yourself from your nearest archive site.)
19 #
20
21 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
22 #
23 # Generated on Tue Jul  1 10:09:27 EEST 2003 [metaconfig 3.0 PL70]
24 # (with additional metaconfig patches by perlbug@perl.org)
25
26 cat >c1$$ <<EOF
27 ARGGGHHHH!!!!!
28
29 SCO csh still thinks true is false.  Write to SCO today and tell them that next
30 year Configure ought to "rm /bin/csh" unless they fix their blasted shell. :-)
31
32 (Actually, Configure ought to just patch csh in place.  Hmm.  Hmmmmm.  All
33 we'd have to do is go in and swap the && and || tokens, wherever they are.)
34
35 [End of diatribe. We now return you to your regularly scheduled programming...]
36 EOF
37 cat >c2$$ <<EOF
38
39 OOPS!  You naughty creature!  You didn't run Configure with sh!
40 I will attempt to remedy the situation by running sh for you...
41 EOF
42
43 true || cat c1$$ c2$$
44 true || exec sh $0 $argv:q
45
46 (exit $?0) || cat c2$$
47 (exit $?0) || exec sh $0 $argv:q
48 rm -f c1$$ c2$$
49
50 if test -f /dev/cputype -a -f /dev/drivers -a -f /dev/osversion; then
51         cat >&4 <<EOF
52 ***
53 *** I'm sorry but this system looks like Plan 9 and Plan 9 doesn't do
54 *** Configure that well.  (Plan 9 is close to UNIX but not close enough.)
55 *** Please read the README.plan9 for further instructions.
56 *** Cannot continue, aborting.
57 ***
58 EOF
59         exit 1
60 fi
61
62 : compute my invocation name
63 me=$0
64 case "$0" in
65 */*)
66         me=`echo $0 | sed -e 's!.*/\(.*\)!\1!' 2>/dev/null`
67         test "$me" || me=$0
68         ;;
69 esac
70
71 : Proper separator for the PATH environment variable
72 p_=:
73 : On OS/2 this directory should exist if this is not floppy only system :-]
74 if test -d c:/. || ( uname -a | grep -i 'os\(/\|\)2' ) 2>&1 >/dev/null ; then
75     if test -n "$OS2_SHELL"; then
76                 p_=\;
77                 PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
78                 OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
79                 is_os2=yes
80         elif test -n "$DJGPP"; then
81                 case "X${MACHTYPE:-nonesuchmach}" in
82                 *cygwin) ;;
83                 *) p_=\; ;;
84                 esac
85         fi
86 fi
87
88 : Proper PATH setting
89 paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
90 paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
91 paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
92 paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
93 paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
94 paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin"
95 paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
96 paths="$paths /sbin /usr/sbin /usr/libexec"
97 paths="$paths /system/gnu_library/bin"
98
99 for p in $paths
100 do
101         case "$p_$PATH$p_" in
102         *$p_$p$p_*) ;;
103         *) test -d $p && PATH=$PATH$p_$p ;;
104         esac
105 done
106
107 PATH=.$p_$PATH
108 export PATH
109
110 : shall we be using ksh?
111 inksh=''
112 needksh=''
113 avoidksh=''
114 newsh=/bin/ksh
115 changesh=''
116 if (PATH=.; alias -x) >/dev/null 2>&1; then
117                 inksh=true
118 fi
119 if test -f /hp-ux -a -f /bin/ksh; then
120         needksh='to avoid sh bug in "here document" expansion'
121 fi
122 if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname; then
123         if test X`/usr/bin/uname -v` = X4; then
124                 avoidksh="to avoid AIX 4's /bin/sh"
125                 newsh=/usr/bin/bsh
126         fi
127 fi
128 if test -f /osf_boot -a -f /usr/sbin/setld; then
129         if test X`/usr/bin/uname -s` = XOSF1; then
130                 avoidksh="to avoid Digital UNIX' ksh"
131                 newsh=/bin/sh
132                 unset BIN_SH # if this is 'xpg4' sh will start up ksh
133         fi
134 fi
135 case "$inksh/$needksh" in
136 /[a-z]*)
137                 ENV=''
138                 changesh=true
139                 reason="$needksh"
140         ;;
141 esac
142 case "$inksh/$avoidksh" in
143 true/[a-z]*)
144         changesh=true
145         reason="$avoidksh"
146         ;;
147 esac
148 case "$inksh/$needksh-$avoidksh-" in
149 true/--)
150                 cat <<EOM
151 (I see you are using the Korn shell.  Some ksh's blow up on $me,
152 mainly on older exotic systems.  If yours does, try the Bourne shell instead.)
153 EOM
154         ;;
155 esac
156 case "$changesh" in
157 true)
158         export newsh
159         echo "(Feeding myself to $newsh $reason.)"
160         case "$0" in
161         Configure|*/Configure) exec $newsh $0 "$@";;
162         *) exec $newsh Configure "$@";;
163         esac
164         ;;
165 esac
166
167 : if needed set CDPATH to a harmless value that is not chatty
168 : avoid bash 2.02 problems with empty CDPATH.
169 case "$CDPATH" in
170 '')     ;;
171 *)      case "$SHELL" in
172         *bash*) CDPATH='.' ;;
173         *)              CDPATH='' ;;
174         esac
175         ;;
176 esac
177 : Configure runs within the UU subdirectory
178 test -d UU || mkdir UU
179 cd UU && rm -f ./*
180
181 ccname=''
182 ccversion=''
183 ccsymbols=''
184 cppccsymbols=''
185 cppsymbols=''
186 from=''
187 run=''
188 targetarch=''
189 to=''
190 usecrosscompile=''
191 mistrustnm=''
192 perllibs=''
193 dynamic_ext=''
194 extensions=''
195 known_extensions=''
196 nonxs_ext=''
197 static_ext=''
198 useopcode=''
199 useposix=''
200 extras=''
201 d_bsd=''
202 d_eunice=''
203 d_xenix=''
204 eunicefix=''
205 Mcc=''
206 ar=''
207 awk=''
208 bash=''
209 bison=''
210 byacc=''
211 cat=''
212 chgrp=''
213 chmod=''
214 chown=''
215 comm=''
216 compress=''
217 cp=''
218 cpio=''
219 cpp=''
220 csh=''
221 date=''
222 echo=''
223 egrep=''
224 emacs=''
225 expr=''
226 find=''
227 flex=''
228 gmake=''
229 grep=''
230 gzip=''
231 inews=''
232 ksh=''
233 less=''
234 line=''
235 lint=''
236 ln=''
237 lp=''
238 lpr=''
239 ls=''
240 mail=''
241 mailx=''
242 make=''
243 mkdir=''
244 more=''
245 mv=''
246 nm=''
247 nroff=''
248 perl=''
249 pg=''
250 pmake=''
251 pr=''
252 rm=''
253 rmail=''
254 sed=''
255 sendmail=''
256 shar=''
257 sleep=''
258 smail=''
259 sort=''
260 submit=''
261 tail=''
262 tar=''
263 tbl=''
264 tee=''
265 test=''
266 touch=''
267 tr=''
268 troff=''
269 uname=''
270 uniq=''
271 uuname=''
272 vi=''
273 zcat=''
274 zip=''
275 full_ar=''
276 full_sed=''
277 libswanted=''
278 hint=''
279 myuname=''
280 osname=''
281 osvers=''
282 Author=''
283 Date=''
284 Header=''
285 Id=''
286 Locker=''
287 Log=''
288 RCSfile=''
289 Revision=''
290 Source=''
291 State=''
292 _a=''
293 _exe=''
294 _o=''
295 archobjs=''
296 exe_ext=''
297 firstmakefile=''
298 lib_ext=''
299 obj_ext=''
300 path_sep=''
301 afs=''
302 afsroot=''
303 alignbytes=''
304 ansi2knr=''
305 archlib=''
306 archlibexp=''
307 d_archlib=''
308 installarchlib=''
309 archname=''
310 myarchname=''
311 d_atolf=''
312 d_atoll=''
313 baserev=''
314 bin=''
315 binexp=''
316 installbin=''
317 byteorder=''
318 cc=''
319 ccflags=''
320 cppflags=''
321 ldflags=''
322 lkflags=''
323 locincpth=''
324 optimize=''
325 cf_email=''
326 cf_by=''
327 cf_time=''
328 charsize=''
329 contains=''
330 cpp_stuff=''
331 cpplast=''
332 cppminus=''
333 cpprun=''
334 cppstdin=''
335 d__fwalk=''
336 d_access=''
337 d_accessx=''
338 d_aintl=''
339 d_alarm=''
340 asctime_r_proto=''
341 d_asctime_r=''
342 d_attribut=''
343 d_bcmp=''
344 d_bcopy=''
345 d_bzero=''
346 d_casti32=''
347 castflags=''
348 d_castneg=''
349 d_chown=''
350 d_chroot=''
351 d_chsize=''
352 d_class=''
353 d_closedir=''
354 d_void_closedir=''
355 d_cmsghdr_s=''
356 d_const=''
357 d_copysignl=''
358 cryptlib=''
359 d_crypt=''
360 crypt_r_proto=''
361 d_crypt_r=''
362 d_csh=''
363 full_csh=''
364 ctermid_r_proto=''
365 d_ctermid_r=''
366 ctime_r_proto=''
367 d_ctime_r=''
368 d_cuserid=''
369 d_dbl_dig=''
370 d_dbminitproto=''
371 d_difftime=''
372 d_dirfd=''
373 d_dlerror=''
374 d_dlopen=''
375 d_dlsymun=''
376 d_dosuid=''
377 d_suidsafe=''
378 d_drand48_r=''
379 drand48_r_proto=''
380 d_drand48proto=''
381 d_dup2=''
382 d_eaccess=''
383 d_endgrent=''
384 d_endgrent_r=''
385 endgrent_r_proto=''
386 d_endhent=''
387 d_endhostent_r=''
388 endhostent_r_proto=''
389 d_endnent=''
390 d_endnetent_r=''
391 endnetent_r_proto=''
392 d_endpent=''
393 d_endprotoent_r=''
394 endprotoent_r_proto=''
395 d_endpwent=''
396 d_endpwent_r=''
397 endpwent_r_proto=''
398 d_endsent=''
399 d_endservent_r=''
400 endservent_r_proto=''
401 d_faststdio=''
402 d_fchdir=''
403 d_fchmod=''
404 d_fchown=''
405 d_fcntl=''
406 d_fcntl_can_lock=''
407 d_fd_macros=''
408 d_fd_set=''
409 d_fds_bits=''
410 d_fgetpos=''
411 d_finite=''
412 d_finitel=''
413 d_flexfnam=''
414 d_flock=''
415 d_flockproto=''
416 d_fork=''
417 d_fp_class=''
418 d_fpclass=''
419 d_fpclassify=''
420 d_fpclassl=''
421 d_fpos64_t=''
422 d_frexpl=''
423 d_fs_data_s=''
424 d_fseeko=''
425 d_fsetpos=''
426 d_fstatfs=''
427 d_fsync=''
428 d_ftello=''
429 d_ftime=''
430 d_gettimeod=''
431 d_Gconvert=''
432 d_getcwd=''
433 d_getespwnam=''
434 d_getfsstat=''
435 d_getgrent=''
436 d_getgrent_r=''
437 getgrent_r_proto=''
438 d_getgrgid_r=''
439 getgrgid_r_proto=''
440 d_getgrnam_r=''
441 getgrnam_r_proto=''
442 d_getgrps=''
443 d_gethbyaddr=''
444 d_gethbyname=''
445 d_gethent=''
446 aphostname=''
447 d_gethname=''
448 d_phostname=''
449 d_uname=''
450 d_gethostbyaddr_r=''
451 gethostbyaddr_r_proto=''
452 d_gethostbyname_r=''
453 gethostbyname_r_proto=''
454 d_gethostent_r=''
455 gethostent_r_proto=''
456 d_gethostprotos=''
457 d_getitimer=''
458 d_getlogin=''
459 d_getlogin_r=''
460 getlogin_r_proto=''
461 d_getmnt=''
462 d_getmntent=''
463 d_getnbyaddr=''
464 d_getnbyname=''
465 d_getnent=''
466 d_getnetbyaddr_r=''
467 getnetbyaddr_r_proto=''
468 d_getnetbyname_r=''
469 getnetbyname_r_proto=''
470 d_getnetent_r=''
471 getnetent_r_proto=''
472 d_getnetprotos=''
473 d_getpagsz=''
474 d_getpent=''
475 d_getpgid=''
476 d_getpgrp2=''
477 d_bsdgetpgrp=''
478 d_getpgrp=''
479 d_getppid=''
480 d_getprior=''
481 d_getpbyname=''
482 d_getpbynumber=''
483 d_getprotobyname_r=''
484 getprotobyname_r_proto=''
485 d_getprotobynumber_r=''
486 getprotobynumber_r_proto=''
487 d_getprotoent_r=''
488 getprotoent_r_proto=''
489 d_getprotoprotos=''
490 d_getprpwnam=''
491 d_getpwent=''
492 d_getpwent_r=''
493 getpwent_r_proto=''
494 d_getpwnam_r=''
495 getpwnam_r_proto=''
496 d_getpwuid_r=''
497 getpwuid_r_proto=''
498 d_getsent=''
499 d_getservbyname_r=''
500 getservbyname_r_proto=''
501 d_getservbyport_r=''
502 getservbyport_r_proto=''
503 d_getservent_r=''
504 getservent_r_proto=''
505 d_getservprotos=''
506 d_getspnam=''
507 d_getspnam_r=''
508 getspnam_r_proto=''
509 d_getsbyname=''
510 d_getsbyport=''
511 d_gmtime_r=''
512 gmtime_r_proto=''
513 d_gnulibc=''
514 gnulibc_version=''
515 d_hasmntopt=''
516 d_htonl=''
517 d_ilogbl=''
518 d_inetaton=''
519 d_int64_t=''
520 d_isascii=''
521 d_isfinite=''
522 d_isinf=''
523 d_isnan=''
524 d_isnanl=''
525 d_killpg=''
526 d_lchown=''
527 d_ldbl_dig=''
528 d_link=''
529 d_localtime_r=''
530 localtime_r_proto=''
531 d_locconv=''
532 d_lockf=''
533 d_longdbl=''
534 longdblsize=''
535 d_longlong=''
536 longlongsize=''
537 d_lseekproto=''
538 d_lstat=''
539 d_madvise=''
540 d_mblen=''
541 d_mbstowcs=''
542 d_mbtowc=''
543 d_memchr=''
544 d_memcmp=''
545 d_memcpy=''
546 d_memmove=''
547 d_memset=''
548 d_mkdir=''
549 d_mkdtemp=''
550 d_mkfifo=''
551 d_mkstemp=''
552 d_mkstemps=''
553 d_mktime=''
554 d_mmap=''
555 mmaptype=''
556 d_modfl=''
557 d_modfl_pow32_bug=''
558 d_modflproto=''
559 d_mprotect=''
560 d_msg=''
561 d_msgctl=''
562 d_msgget=''
563 d_msghdr_s=''
564 d_msgrcv=''
565 d_msgsnd=''
566 d_msync=''
567 d_munmap=''
568 d_nice=''
569 d_nl_langinfo=''
570 d_off64_t=''
571 d_open3=''
572 d_fpathconf=''
573 d_pathconf=''
574 d_pause=''
575 d_pipe=''
576 d_poll=''
577 d_portable=''
578 d_procselfexe=''
579 procselfexe=''
580 d_old_pthread_create_joinable=''
581 old_pthread_create_joinable=''
582 d_pthread_atfork=''
583 d_pthread_attr_setscope=''
584 d_pthread_yield=''
585 d_sched_yield=''
586 sched_yield=''
587 d_qgcvt=''
588 d_random_r=''
589 random_r_proto=''
590 d_readdir64_r=''
591 readdir64_r_proto=''
592 d_readdir=''
593 d_rewinddir=''
594 d_seekdir=''
595 d_telldir=''
596 d_readdir_r=''
597 readdir_r_proto=''
598 d_readlink=''
599 d_readv=''
600 d_recvmsg=''
601 d_rename=''
602 d_rmdir=''
603 d_safebcpy=''
604 d_safemcpy=''
605 d_sanemcmp=''
606 d_sbrkproto=''
607 d_scalbnl=''
608 d_select=''
609 d_sem=''
610 d_semctl=''
611 d_semget=''
612 d_semop=''
613 d_sendmsg=''
614 d_setegid=''
615 d_seteuid=''
616 d_setgrent=''
617 d_setgrent_r=''
618 setgrent_r_proto=''
619 d_setgrps=''
620 d_sethent=''
621 d_sethostent_r=''
622 sethostent_r_proto=''
623 d_setitimer=''
624 d_setlinebuf=''
625 d_setlocale=''
626 d_setlocale_r=''
627 setlocale_r_proto=''
628 d_setnent=''
629 d_setnetent_r=''
630 setnetent_r_proto=''
631 d_setpent=''
632 d_setpgid=''
633 d_setpgrp2=''
634 d_bsdsetpgrp=''
635 d_setpgrp=''
636 d_setprior=''
637 d_setproctitle=''
638 d_setprotoent_r=''
639 setprotoent_r_proto=''
640 d_setpwent=''
641 d_setpwent_r=''
642 setpwent_r_proto=''
643 d_setregid=''
644 d_setresgid=''
645 d_setresuid=''
646 d_setreuid=''
647 d_setrgid=''
648 d_setruid=''
649 d_setsent=''
650 d_setservent_r=''
651 setservent_r_proto=''
652 d_setsid=''
653 d_setvbuf=''
654 d_sfio=''
655 usesfio=''
656 d_shm=''
657 d_shmat=''
658 d_shmatprototype=''
659 shmattype=''
660 d_shmctl=''
661 d_shmdt=''
662 d_shmget=''
663 d_sigaction=''
664 d_sigprocmask=''
665 d_sigsetjmp=''
666 d_sockatmark=''
667 d_sockatmarkproto=''
668 d_msg_ctrunc=''
669 d_msg_dontroute=''
670 d_msg_oob=''
671 d_msg_peek=''
672 d_msg_proxy=''
673 d_oldsock=''
674 d_scm_rights=''
675 d_socket=''
676 d_sockpair=''
677 sockethdr=''
678 socketlib=''
679 d_socklen_t=''
680 d_socks5_init=''
681 d_sqrtl=''
682 d_srand48_r=''
683 srand48_r_proto=''
684 d_srandom_r=''
685 srandom_r_proto=''
686 d_sresgproto=''
687 d_sresuproto=''
688 d_statblks=''
689 d_statfs_f_flags=''
690 d_statfs_s=''
691 d_fstatvfs=''
692 d_statvfs=''
693 d_stdio_cnt_lval=''
694 d_stdio_ptr_lval=''
695 d_stdio_ptr_lval_nochange_cnt=''
696 d_stdio_ptr_lval_sets_cnt=''
697 d_stdiobase=''
698 d_stdstdio=''
699 stdio_base=''
700 stdio_bufsiz=''
701 stdio_cnt=''
702 stdio_filbuf=''
703 stdio_ptr=''
704 d_index=''
705 d_strchr=''
706 d_strcoll=''
707 d_strctcpy=''
708 d_strerrm=''
709 d_strerror=''
710 d_sysernlst=''
711 d_syserrlst=''
712 d_strerror_r=''
713 strerror_r_proto=''
714 d_strftime=''
715 d_strtod=''
716 d_strtol=''
717 d_strtold=''
718 d_strtoll=''
719 d_strtoq=''
720 d_strtoul=''
721 d_strtoull=''
722 d_strtouq=''
723 d_strxfrm=''
724 d_symlink=''
725 d_syscall=''
726 d_syscallproto=''
727 d_sysconf=''
728 d_system=''
729 d_tcgetpgrp=''
730 d_tcsetpgrp=''
731 d_telldirproto=''
732 d_time=''
733 timetype=''
734 clocktype=''
735 d_times=''
736 d_tmpnam_r=''
737 tmpnam_r_proto=''
738 d_truncate=''
739 d_ttyname_r=''
740 ttyname_r_proto=''
741 d_tzname=''
742 d_u32align=''
743 d_ualarm=''
744 d_umask=''
745 d_semctl_semid_ds=''
746 d_semctl_semun=''
747 d_union_semun=''
748 d_unordered=''
749 d_usleep=''
750 d_usleepproto=''
751 d_ustat=''
752 d_vfork=''
753 usevfork=''
754 d_voidsig=''
755 signal_t=''
756 d_volatile=''
757 d_charvspr=''
758 d_vprintf=''
759 d_wait4=''
760 d_waitpid=''
761 d_wcstombs=''
762 d_wctomb=''
763 d_writev=''
764 dlext=''
765 cccdlflags=''
766 ccdlflags=''
767 dlsrc=''
768 ld=''
769 lddlflags=''
770 usedl=''
771 doublesize=''
772 ebcdic=''
773 fflushNULL=''
774 fflushall=''
775 fpossize=''
776 fpostype=''
777 gccansipedantic=''
778 gccosandvers=''
779 gccversion=''
780 gidformat=''
781 gidsign=''
782 gidsize=''
783 gidtype=''
784 groupstype=''
785 h_fcntl=''
786 h_sysfile=''
787 html1dir=''
788 html1direxp=''
789 installhtml1dir=''
790 html3dir=''
791 html3direxp=''
792 installhtml3dir=''
793 i_arpainet=''
794 i_crypt=''
795 db_hashtype=''
796 db_prefixtype=''
797 db_version_major=''
798 db_version_minor=''
799 db_version_patch=''
800 i_db=''
801 i_dbm=''
802 i_rpcsvcdbm=''
803 d_dirnamlen=''
804 direntrytype=''
805 i_dirent=''
806 i_dld=''
807 i_dlfcn=''
808 i_fcntl=''
809 i_float=''
810 i_fp=''
811 i_fp_class=''
812 i_gdbm=''
813 d_grpasswd=''
814 i_grp=''
815 i_ieeefp=''
816 i_inttypes=''
817 i_langinfo=''
818 i_libutil=''
819 i_limits=''
820 i_locale=''
821 i_machcthr=''
822 i_malloc=''
823 i_math=''
824 i_memory=''
825 i_mntent=''
826 i_ndbm=''
827 i_netdb=''
828 i_neterrno=''
829 i_netinettcp=''
830 i_niin=''
831 i_sysin=''
832 i_poll=''
833 i_prot=''
834 i_pthread=''
835 d_pwage=''
836 d_pwchange=''
837 d_pwclass=''
838 d_pwcomment=''
839 d_pwexpire=''
840 d_pwgecos=''
841 d_pwpasswd=''
842 d_pwquota=''
843 i_pwd=''
844 i_sfio=''
845 i_shadow=''
846 i_socks=''
847 i_stddef=''
848 i_stdlib=''
849 i_string=''
850 strings=''
851 i_sunmath=''
852 i_sysaccess=''
853 i_sysdir=''
854 i_sysfile=''
855 d_voidtty=''
856 i_bsdioctl=''
857 i_sysfilio=''
858 i_sysioctl=''
859 i_syssockio=''
860 i_syslog=''
861 i_sysmman=''
862 i_sysmode=''
863 i_sysmount=''
864 i_sysndir=''
865 i_sysparam=''
866 i_sysresrc=''
867 i_syssecrt=''
868 i_sysselct=''
869 i_sysstat=''
870 i_sysstatfs=''
871 i_sysstatvfs=''
872 i_systimes=''
873 i_systypes=''
874 i_sysuio=''
875 i_sysun=''
876 i_sysutsname=''
877 i_sysvfs=''
878 i_syswait=''
879 i_sgtty=''
880 i_termio=''
881 i_termios=''
882 d_tm_tm_gmtoff=''
883 d_tm_tm_zone=''
884 i_systime=''
885 i_systimek=''
886 i_time=''
887 timeincl=''
888 i_unistd=''
889 i_ustat=''
890 i_utime=''
891 i_values=''
892 i_stdarg=''
893 i_varargs=''
894 i_varhdr=''
895 i_vfork=''
896 inc_version_list=''
897 inc_version_list_init=''
898 installprefix=''
899 installprefixexp=''
900 installstyle=''
901 installusrbinperl=''
902 intsize=''
903 longsize=''
904 shortsize=''
905 issymlink=''
906 libc=''
907 ldlibpthname=''
908 libperl=''
909 shrpenv=''
910 useshrplib=''
911 glibpth=''
912 libpth=''
913 loclibpth=''
914 plibpth=''
915 xlibpth=''
916 ignore_versioned_solibs=''
917 libs=''
918 libsdirs=''
919 libsfiles=''
920 libsfound=''
921 libspath=''
922 lns=''
923 d_PRIEUldbl=''
924 d_PRIFUldbl=''
925 d_PRIGUldbl=''
926 d_PRIeldbl=''
927 d_PRIfldbl=''
928 d_PRIgldbl=''
929 d_SCNfldbl=''
930 sPRIEUldbl=''
931 sPRIFUldbl=''
932 sPRIGUldbl=''
933 sPRIeldbl=''
934 sPRIfldbl=''
935 sPRIgldbl=''
936 sSCNfldbl=''
937 lseeksize=''
938 lseektype=''
939 make_set_make=''
940 d_mymalloc=''
941 freetype=''
942 mallocobj=''
943 mallocsrc=''
944 malloctype=''
945 usemymalloc=''
946 installman1dir=''
947 man1dir=''
948 man1direxp=''
949 man1ext=''
950 installman3dir=''
951 man3dir=''
952 man3direxp=''
953 man3ext=''
954 modetype=''
955 multiarch=''
956 mydomain=''
957 myhostname=''
958 phostname=''
959 c=''
960 n=''
961 d_eofnblk=''
962 eagain=''
963 o_nonblock=''
964 rd_nodata=''
965 need_va_copy=''
966 netdb_hlen_type=''
967 netdb_host_type=''
968 netdb_name_type=''
969 netdb_net_type=''
970 groupcat=''
971 hostcat=''
972 passcat=''
973 orderlib=''
974 ranlib=''
975 d_perl_otherlibdirs=''
976 otherlibdirs=''
977 package=''
978 spackage=''
979 pager=''
980 api_revision=''
981 api_subversion=''
982 api_version=''
983 api_versionstring=''
984 patchlevel=''
985 perl_patchlevel=''
986 revision=''
987 subversion=''
988 version=''
989 version_patchlevel_string=''
990 perl5=''
991 perladmin=''
992 perlpath=''
993 d_nv_preserves_uv=''
994 i16size=''
995 i16type=''
996 i32size=''
997 i32type=''
998 i64size=''
999 i64type=''
1000 i8size=''
1001 i8type=''
1002 ivsize=''
1003 ivtype=''
1004 nv_preserves_uv_bits=''
1005 nvsize=''
1006 nvtype=''
1007 u16size=''
1008 u16type=''
1009 u32size=''
1010 u32type=''
1011 u64size=''
1012 u64type=''
1013 u8size=''
1014 u8type=''
1015 uvsize=''
1016 uvtype=''
1017 ivdformat=''
1018 nvEUformat=''
1019 nvFUformat=''
1020 nvGUformat=''
1021 nveformat=''
1022 nvfformat=''
1023 nvgformat=''
1024 uvXUformat=''
1025 uvoformat=''
1026 uvuformat=''
1027 uvxformat=''
1028 pidtype=''
1029 prefix=''
1030 prefixexp=''
1031 installprivlib=''
1032 privlib=''
1033 privlibexp=''
1034 prototype=''
1035 ptrsize=''
1036 d_PRIXU64=''
1037 d_PRId64=''
1038 d_PRIi64=''
1039 d_PRIo64=''
1040 d_PRIu64=''
1041 d_PRIx64=''
1042 sPRIXU64=''
1043 sPRId64=''
1044 sPRIi64=''
1045 sPRIo64=''
1046 sPRIu64=''
1047 sPRIx64=''
1048 d_quad=''
1049 quadkind=''
1050 quadtype=''
1051 uquadtype=''
1052 drand01=''
1053 randbits=''
1054 randfunc=''
1055 randseedtype=''
1056 seedfunc=''
1057 installscript=''
1058 scriptdir=''
1059 scriptdirexp=''
1060 selectminbits=''
1061 selecttype=''
1062 sh=''
1063 sig_count=''
1064 sig_name=''
1065 sig_name_init=''
1066 sig_num=''
1067 sig_num_init=''
1068 sig_size=''
1069 installsitearch=''
1070 sitearch=''
1071 sitearchexp=''
1072 installsitebin=''
1073 sitebin=''
1074 sitebinexp=''
1075 installsitehtml1=''
1076 sitehtml1=''
1077 sitehtml1exp=''
1078 installsitehtml3=''
1079 sitehtml3=''
1080 sitehtml3exp=''
1081 installsitelib=''
1082 sitelib=''
1083 sitelib_stem=''
1084 sitelibexp=''
1085 installsiteman1=''
1086 siteman1=''
1087 siteman1exp=''
1088 installsiteman3=''
1089 siteman3=''
1090 siteman3exp=''
1091 siteprefix=''
1092 siteprefixexp=''
1093 installsitescript=''
1094 sitescript=''
1095 sitescriptexp=''
1096 sizesize=''
1097 sizetype=''
1098 so=''
1099 socksizetype=''
1100 sharpbang=''
1101 shsharp=''
1102 spitshell=''
1103 src=''
1104 ssizetype=''
1105 startperl=''
1106 startsh=''
1107 stdchar=''
1108 d_stdio_stream_array=''
1109 stdio_stream_array=''
1110 sysman=''
1111 trnl=''
1112 uidformat=''
1113 uidsign=''
1114 uidsize=''
1115 uidtype=''
1116 archname64=''
1117 use64bitall=''
1118 use64bitint=''
1119 usefaststdio=''
1120 ccflags_uselargefiles=''
1121 ldflags_uselargefiles=''
1122 libswanted_uselargefiles=''
1123 uselargefiles=''
1124 uselongdouble=''
1125 usemorebits=''
1126 usemultiplicity=''
1127 nm_opt=''
1128 nm_so_opt=''
1129 runnm=''
1130 usenm=''
1131 useperlio=''
1132 usesocks=''
1133 d_oldpthreads=''
1134 use5005threads=''
1135 useithreads=''
1136 usereentrant=''
1137 usethreads=''
1138 incpath=''
1139 mips_type=''
1140 usrinc=''
1141 d_vendorarch=''
1142 installvendorarch=''
1143 vendorarch=''
1144 vendorarchexp=''
1145 d_vendorbin=''
1146 installvendorbin=''
1147 vendorbin=''
1148 vendorbinexp=''
1149 installvendorhtml1=''
1150 vendorhtml1=''
1151 vendorhtml1exp=''
1152 installvendorhtml3=''
1153 vendorhtml3=''
1154 vendorhtml3exp=''
1155 d_vendorlib=''
1156 installvendorlib=''
1157 vendorlib=''
1158 vendorlib_stem=''
1159 vendorlibexp=''
1160 installvendorman1=''
1161 vendorman1=''
1162 vendorman1exp=''
1163 installvendorman3=''
1164 vendorman3=''
1165 vendorman3exp=''
1166 usevendorprefix=''
1167 vendorprefix=''
1168 vendorprefixexp=''
1169 d_vendorscript=''
1170 installvendorscript=''
1171 vendorscript=''
1172 vendorscriptexp=''
1173 versiononly=''
1174 defvoidused=''
1175 voidflags=''
1176 pm_apiversion=''
1177 xs_apiversion=''
1178 yacc=''
1179 yaccflags=''
1180 CONFIG=''
1181
1182 define='define'
1183 undef='undef'
1184 smallmach='pdp11 i8086 z8000 i80286 iAPX286'
1185 rmlist=''
1186
1187 : We must find out about Eunice early
1188 eunicefix=':'
1189 if test -f /etc/unixtovms; then
1190         eunicefix=/etc/unixtovms
1191 fi
1192 if test -f /etc/unixtovms.exe; then
1193         eunicefix=/etc/unixtovms.exe
1194 fi
1195
1196 : Set executable suffix now -- needed before hints available
1197 if test -f "/libs/version.library"; then
1198 : Amiga OS
1199     _exe=""
1200 elif test -f "/system/gnu_library/bin/ar.pm"; then
1201 : Stratus VOS
1202     _exe=".pm"
1203 elif test -n "$DJGPP"; then
1204 : DOS DJGPP
1205     _exe=".exe"
1206 elif test -d c:/. -o -n "$is_os2" ; then
1207 : OS/2 or cygwin
1208     _exe=".exe"
1209 fi
1210
1211 i_whoami=''
1212 : Possible local include directories to search.
1213 : Set locincpth to "" in a hint file to defeat local include searches.
1214 locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
1215 locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
1216 :
1217 : no include file wanted by default
1218 inclwanted=''
1219
1220 siteman1=''
1221 siteman3=''
1222 sitescript=''
1223 : Trailing extension.  Override this in a hint file, if needed.
1224 : Extra object files, if any, needed on this platform.
1225 archobjs=''
1226 groupstype=''
1227 libnames=''
1228 : change the next line if compiling for Xenix/286 on Xenix/386
1229 xlibpth='/usr/lib/386 /lib/386'
1230 : Possible local library directories to search.
1231 loclibpth="/usr/local/lib /opt/local/lib /usr/gnu/lib"
1232 loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
1233
1234 : general looking path for locating libraries
1235 glibpth="/lib /usr/lib $xlibpth"
1236 glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
1237 test -f /usr/shlib/libc.so && glibpth="/usr/shlib $glibpth"
1238 test -f /shlib/libc.so     && glibpth="/shlib $glibpth"
1239
1240 : Private path used by Configure to find libraries.  Its value
1241 : is prepended to libpth. This variable takes care of special
1242 : machines, like the mips.  Usually, it should be empty.
1243 plibpth=''
1244
1245 : default library list
1246 libswanted=''
1247 : some systems want to use only the non-versioned libso:s
1248 ignore_versioned_solibs=''
1249 : full support for void wanted by default
1250 defvoidused=15
1251
1252 ccname=''
1253 ccversion=''
1254 perllibs=''
1255 : set useposix=false in your hint file to disable the POSIX extension.
1256 useposix=true
1257 : set useopcode=false in your hint file to disable the Opcode extension.
1258 useopcode=true
1259 archname64=''
1260 ccflags_uselargefiles=''
1261 ldflags_uselargefiles=''
1262 libswanted_uselargefiles=''
1263 : set usemultiplicity on the Configure command line to enable multiplicity.
1264 : set usesocks on the Configure command line to enable socks.
1265 archname=''
1266 : set usethreads on the Configure command line to enable threads.
1267 usereentrant='undef'
1268 : List of libraries we want.
1269 : If anyone needs extra -lxxx, put those in a hint file.
1270 libswanted="sfio socket bind inet nsl nm ndbm gdbm dbm db malloc dl dld ld sun"
1271 libswanted="$libswanted m crypt sec util c cposix posix ucb bsd BSD"
1272 : We probably want to search /usr/shlib before most other libraries.
1273 : This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
1274 glibpth=`echo " $glibpth " | sed -e 's! /usr/shlib ! !'`
1275 glibpth="/usr/shlib $glibpth"
1276 : Do not use vfork unless overridden by a hint file.
1277 usevfork=false
1278
1279 : Find the basic shell for Bourne shell scripts
1280 case "$sh" in
1281 '')
1282         case "$SYSTYPE" in
1283         *bsd*|sys5*) xxx="/$SYSTYPE/bin/sh";;
1284         *) xxx='/bin/sh';;
1285         esac
1286         if test -f "$xxx"; then
1287                 sh="$xxx"
1288         else
1289                 : Build up a list and do a single loop so we can 'break' out.
1290                 pth=`echo $PATH | sed -e "s/$p_/ /g"`
1291                 for xxx in sh bash ksh pdksh ash; do
1292                         for p in $pth; do
1293                                 try="$try ${p}/${xxx}"
1294                         done
1295                 done
1296                 for xxx in $try; do
1297                         if test -f "$xxx"; then
1298                                 sh="$xxx";
1299                                 break
1300                         elif test "X$_exe" != X -a -f "$xxx$_exe"; then
1301                                 sh="$xxx";
1302                                 break
1303                         elif test -f "$xxx.exe"; then
1304                                 sh="$xxx";
1305                                 break
1306                         fi
1307                 done
1308         fi
1309         ;;
1310 esac
1311
1312 case "$sh" in
1313 '')     cat >&2 <<EOM
1314 $me:  Fatal Error:  I can't find a Bourne Shell anywhere.  
1315
1316 Usually it's in /bin/sh.  How did you even get this far?
1317 Please contact me (Perl Maintainers) at perlbug@perl.org and 
1318 we'll try to straighten this all out.
1319 EOM
1320         exit 1
1321         ;;
1322 esac
1323
1324 : see if sh knows # comments
1325 if `$sh -c '#' >/dev/null 2>&1`; then
1326         shsharp=true
1327         spitshell=cat
1328         xcat=/bin/cat
1329         test -f $xcat$_exe || xcat=/usr/bin/cat
1330         if test ! -f $xcat$_exe; then
1331                 for p in `echo $PATH | sed -e "s/$p_/ /g"` $paths; do
1332                         if test -f $p/cat$_exe; then
1333                                 xcat=$p/cat
1334                                 break
1335                         fi
1336                 done
1337                 if test ! -f $xcat$_exe; then
1338                         echo "Can't find cat anywhere!"
1339                         exit 1
1340                 fi
1341         fi
1342         echo "#!$xcat" >sharp
1343         $eunicefix sharp
1344         chmod +x sharp
1345         ./sharp > today
1346         if test -s today; then
1347                 sharpbang='#!'
1348         else
1349                 echo "#! $xcat" > sharp
1350                 $eunicefix sharp
1351                 chmod +x sharp
1352                 ./sharp > today
1353                 if test -s today; then
1354                         sharpbang='#! '
1355                 else
1356                         sharpbang=': use '
1357                 fi
1358         fi
1359 else
1360         echo " "
1361         echo "Your $sh doesn't grok # comments--I will strip them later on."
1362         shsharp=false
1363         cd ..
1364         echo "exec grep -v '^[  ]*#'" >spitshell
1365         chmod +x spitshell
1366         $eunicefix spitshell
1367         spitshell=`pwd`/spitshell
1368         cd UU
1369         echo "I presume that if # doesn't work, #! won't work either!"
1370         sharpbang=': use '
1371 fi
1372 rm -f sharp today
1373
1374 : figure out how to guarantee sh startup
1375 case "$startsh" in
1376 '') startsh=${sharpbang}${sh} ;;
1377 *)
1378 esac
1379 cat >sharp <<EOSS
1380 $startsh
1381 set abc
1382 test "$?abc" != 1
1383 EOSS
1384
1385 chmod +x sharp
1386 $eunicefix sharp
1387 if ./sharp; then
1388         : echo "Yup, it does."
1389 else
1390         echo "Hmm... '$startsh' does not guarantee sh startup..."
1391         echo "You may have to fix up the shell scripts to make sure $sh runs them."
1392 fi
1393 rm -f sharp
1394
1395
1396 : Save command line options in file UU/cmdline.opt for later use in
1397 : generating config.sh.
1398 cat > cmdline.opt <<EOSH
1399 # Configure command line arguments.
1400 config_arg0='$0'
1401 config_args='$*'
1402 config_argc=$#
1403 EOSH
1404 argn=1
1405 args_exp=''
1406 args_sep=''
1407 for arg in "$@"; do
1408         cat >>cmdline.opt <<EOSH
1409 config_arg$argn='$arg'
1410 EOSH
1411         # Extreme backslashitis: replace each ' by '"'"'
1412         cat <<EOC | sed -e "s/'/'"'"'"'"'"'"'/g" > cmdl.opt
1413 $arg
1414 EOC
1415         arg_exp=`cat cmdl.opt`
1416         args_exp="$args_exp$args_sep'$arg_exp'"
1417         argn=`expr $argn + 1`
1418         args_sep=' '
1419 done
1420 # args_exp is good for restarting self: eval "set X $args_exp"; shift; $0 "$@"
1421 # used by ./hints/os2.sh
1422 rm -f cmdl.opt
1423
1424 : produce awk script to parse command line options
1425 cat >options.awk <<'EOF'
1426 BEGIN {
1427         optstr = "A:dD:eEf:hKOrsSU:V";  # getopt-style specification
1428
1429         len = length(optstr);
1430         for (i = 1; i <= len; i++) {
1431                 c = substr(optstr, i, 1);
1432                 if (i < len) a = substr(optstr, i + 1, 1); else a = "";
1433                 if (a == ":") {
1434                         arg[c] = 1;
1435                         i++;
1436                 }
1437                 opt[c] = 1;
1438         }
1439 }
1440 {
1441         expect = 0;
1442         str = $0;
1443         if (substr(str, 1, 1) != "-") {
1444                 printf("'%s'\n", str);
1445                 next;
1446         }
1447         len = length($0);
1448         for (i = 2; i <= len; i++) {
1449                 c = substr(str, i, 1);
1450                 if (!opt[c]) {
1451                         printf("-%s\n", substr(str, i));
1452                         next;
1453                 }
1454                 printf("-%s\n", c);
1455                 if (arg[c]) {
1456                         if (i < len)
1457                                 printf("'%s'\n", substr(str, i + 1));
1458                         else
1459                                 expect = 1;
1460                         next;
1461                 }
1462         }
1463 }
1464 END {
1465         if (expect)
1466                 print "?";
1467 }
1468 EOF
1469
1470 : process the command line options
1471 set X `for arg in "$@"; do echo "X$arg"; done |
1472         sed -e s/X// | awk -f options.awk`
1473 eval "set $*"
1474 shift
1475 rm -f options.awk
1476
1477 : set up default values
1478 fastread=''
1479 reuseval=false
1480 config_sh=''
1481 alldone=''
1482 error=''
1483 silent=''
1484 extractsh=''
1485 override=''
1486 knowitall=''
1487 rm -f optdef.sh posthint.sh
1488 cat >optdef.sh <<EOS
1489 $startsh
1490 EOS
1491
1492
1493 : option parsing
1494 while test $# -gt 0; do
1495         case "$1" in
1496         -d) shift; fastread=yes;;
1497         -e) shift; alldone=cont;;
1498         -f)
1499                 shift
1500                 cd ..
1501                 if test -r "$1"; then
1502                         config_sh="$1"
1503                 else
1504                         echo "$me: cannot read config file $1." >&2
1505                         error=true
1506                 fi
1507                 cd UU
1508                 shift;;
1509         -h) shift; error=true;;
1510         -r) shift; reuseval=true;;
1511         -s) shift; silent=true; realsilent=true;;
1512         -E) shift; alldone=exit;;
1513         -K) shift; knowitall=true;;
1514         -O) shift; override=true;;
1515         -S) shift; silent=true; extractsh=true;;
1516         -D)
1517                 shift
1518                 case "$1" in
1519                 *=)
1520                         echo "$me: use '-U symbol=', not '-D symbol='." >&2
1521                         echo "$me: ignoring -D $1" >&2
1522                         ;;
1523                 *=*) echo "$1" | \
1524                                 sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;;
1525                 *) echo "$1='define'" >> optdef.sh;;
1526                 esac
1527                 shift
1528                 ;;
1529         -U)
1530                 shift
1531                 case "$1" in
1532                 *=) echo "$1" >> optdef.sh;;
1533                 *=*)
1534                         echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2
1535                         echo "$me: ignoring -U $1" >&2
1536                         ;;
1537                 *) echo "$1='undef'" >> optdef.sh;;
1538                 esac
1539                 shift
1540                 ;;
1541         -A)
1542             shift
1543             xxx=''
1544             yyy="$1"
1545             zzz=''
1546             uuu=undef
1547             case "$yyy" in
1548             *=*) zzz=`echo "$yyy"|sed 's!=.*!!'`
1549                  case "$zzz" in
1550                  *:*) zzz='' ;;
1551                  *)   xxx=append
1552                       zzz=" "`echo "$yyy"|sed 's!^[^=]*=!!'` 
1553                       yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
1554                  esac
1555                  ;;
1556             esac
1557             case "$xxx" in
1558             '')  case "$yyy" in
1559                  *:*) xxx=`echo "$yyy"|sed 's!:.*!!'`
1560                       yyy=`echo "$yyy"|sed 's!^[^:]*:!!'`
1561                       zzz=`echo "$yyy"|sed 's!^[^=]*=!!'`
1562                       yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
1563                  *)   xxx=`echo "$yyy"|sed 's!:.*!!'`
1564                       yyy=`echo "$yyy"|sed 's!^[^:]*:!!'` ;;
1565                  esac
1566                  ;;       
1567             esac
1568             case "$xxx" in
1569             append)
1570                 echo "$yyy=\"\${$yyy}$zzz\""    >> posthint.sh ;;
1571             clear)
1572                 echo "$yyy=''"                  >> posthint.sh ;;
1573             define)
1574                 case "$zzz" in
1575                 '') zzz=define ;;
1576                 esac
1577                 echo "$yyy='$zzz'"              >> posthint.sh ;;
1578             eval)
1579                 echo "eval \"$yyy=$zzz\""       >> posthint.sh ;;
1580             prepend)
1581                 echo "$yyy=\"$zzz\${$yyy}\""    >> posthint.sh ;;
1582             undef)
1583                 case "$zzz" in
1584                 '') zzz="$uuu" ;;
1585                 esac
1586                 echo "$yyy=$zzz"                >> posthint.sh ;;
1587             *)  echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2 ;;
1588             esac
1589             shift
1590             ;;
1591         -V) echo "$me generated by metaconfig 3.0 PL70." >&2
1592             exit 0;;
1593         --) break;;
1594         -*) echo "$me: unknown option $1" >&2; shift; error=true;;
1595         *) break;;
1596         esac
1597 done
1598
1599 case "$error" in
1600 true)
1601         cat >&2 <<EOM
1602 Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
1603                  [-U symbol] [-U symbol=] [-A command:symbol...]
1604   -d : use defaults for all answers.
1605   -e : go on without questioning past the production of config.sh.
1606   -f : specify an alternate default configuration file.
1607   -h : print this help message and exit (with an error status).
1608   -r : reuse C symbols value if possible (skips costly nm extraction).
1609   -s : silent mode, only echoes questions and essential information.
1610   -D : define symbol to have some value:
1611          -D symbol         symbol gets the value 'define'
1612          -D symbol=value   symbol gets the value 'value'
1613   -E : stop at the end of questions, after having produced config.sh.
1614   -K : do not use unless you know what you are doing.
1615   -O : let -D and -U override definitions from loaded configuration file.
1616   -S : perform variable substitutions on all .SH files (can mix with -f)
1617   -U : undefine symbol:
1618          -U symbol    symbol gets the value 'undef'
1619          -U symbol=   symbol gets completely empty
1620   -A : manipulate symbol after the platform specific hints have been applied:
1621          -A symbol=value                append " "value to symbol
1622          -A append:symbol=value         append value to symbol
1623          -A define:symbol=value         define symbol to have value
1624          -A clear:symbol                define symbol to be ''
1625          -A define:symbol               define symbol to be 'define'
1626          -A eval:symbol=value           define symbol to be eval of value
1627          -A prepend:symbol=value        prepend value to symbol
1628          -A undef:symbol                define symbol to be 'undef'
1629          -A undef:symbol=               define symbol to be ''
1630   -V : print version number and exit (with a zero status).
1631 EOM
1632         exit 1
1633         ;;
1634 esac
1635
1636 : Sanity checks
1637 case "$fastread$alldone" in
1638 yescont|yesexit) ;;
1639 *)
1640         case "$extractsh" in
1641         true) ;;
1642         *)
1643                 if test ! -t 0; then
1644                         echo "Say 'sh Configure', not 'sh <Configure'"
1645                         exit 1
1646                 fi
1647                 ;;
1648         esac
1649         ;;
1650 esac
1651
1652 exec 4>&1
1653 case "$silent" in
1654 true) exec 1>/dev/null;;
1655 esac
1656
1657 : run the defines and the undefines, if any, but leave the file out there...
1658 touch optdef.sh
1659 . ./optdef.sh
1660 : create the posthint manipulation script and leave the file out there...
1661 touch posthint.sh
1662
1663 : set package name
1664 package=perl5
1665 first=`echo $package | sed -e 's/^\(.\).*/\1/'`
1666 last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
1667 case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
1668 ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
1669 *) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
1670 esac
1671
1672 : Some greps do not return status, grrr.
1673 echo "grimblepritz" >grimble
1674 if grep blurfldyick grimble >/dev/null 2>&1 ; then
1675         contains=contains
1676 elif grep grimblepritz grimble >/dev/null 2>&1 ; then
1677         contains=grep
1678 else
1679         contains=contains
1680 fi
1681 rm -f grimble
1682 : the following should work in any shell
1683 case "$contains" in
1684 contains*)
1685         echo " "
1686         echo "AGH!  Grep doesn't return a status.  Attempting remedial action."
1687         cat >contains <<'EOSS'
1688 grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
1689 EOSS
1690 chmod +x contains
1691 esac
1692
1693 : Find the path to the source tree
1694 case "$src" in
1695 '') case "$0" in
1696     */*) src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`
1697          case "$src" in
1698          /*)    ;;
1699          .)     ;;
1700          *)     src=`cd ../$src && pwd` ;;
1701          esac
1702          ;;
1703     *)   src='.';;
1704     esac;;
1705 esac
1706 case "$src" in
1707 '')     src=/
1708         rsrc=/
1709         ;;
1710 /*) rsrc="$src";;
1711 *) rsrc="../$src";;
1712 esac
1713 if test -f $rsrc/Configure && \
1714         $contains "^package=$package$" $rsrc/Configure >/dev/null 2>&1
1715 then
1716    : found it, so we are ok.
1717 else
1718         rsrc=''
1719         for src in . .. ../.. ../../.. ../../../..; do
1720                 if test -f ../$src/Configure && \
1721                         $contains "^package=$package$" ../$src/Configure >/dev/null 2>&1
1722                 then
1723                         rsrc=../$src
1724                         break
1725                 fi
1726         done
1727 fi
1728 case "$rsrc" in
1729 '')
1730         cat <<EOM >&4
1731
1732 Sorry, I can't seem to locate the source dir for $package.  Please start
1733 Configure with an explicit path -- i.e. /some/path/Configure.
1734
1735 EOM
1736         exit 1
1737         ;;
1738 ../.)   rsrc='..';;
1739 *)
1740         echo " "
1741         echo "Sources for $package found in \"$src\"." >&4
1742         ;;
1743 esac
1744
1745 : script used to extract .SH files with variable substitutions
1746 cat >extract <<'EOS'
1747 PERL_CONFIG_SH=true
1748 echo "Doing variable substitutions on .SH files..."
1749 if test -f MANIFEST; then
1750         set x `awk '{print $1}' < MANIFEST | grep '\.SH$'`
1751 else
1752         echo "(Looking for .SH files under the source directory.)"
1753         set x `(cd "$src"; find . -name "*.SH" -print)`
1754 fi
1755 shift
1756 case $# in
1757 0) set x `(cd "$src"; echo *.SH)`; shift;;
1758 esac
1759 if test ! -f "$src/$1"; then
1760         shift
1761 fi
1762 mkdir_p='
1763 name=$1;
1764 create="";
1765 while test $name; do
1766         if test ! -d "$name"; then
1767                 create="$name $create";
1768                 name=`echo $name | sed -e "s|^[^/]*$||"`;
1769                 name=`echo $name | sed -e "s|\(.*\)/.*|\1|"`;
1770         else
1771                 name="";
1772         fi;
1773 done;
1774 for file in $create; do
1775         mkdir $file;
1776 done
1777 '
1778 for file in $*; do
1779         case "$src" in
1780         ".")
1781                 case "$file" in
1782                 */*)
1783                         dir=`expr X$file : 'X\(.*\)/'`
1784                         file=`expr X$file : 'X.*/\(.*\)'`
1785                         (cd "$dir" && . ./$file)
1786                         ;;
1787                 *)
1788                         . ./$file
1789                         ;;
1790                 esac
1791                 ;;
1792         *)
1793                 case "$file" in
1794                 */*)
1795                         dir=`expr X$file : 'X\(.*\)/'`
1796                         file=`expr X$file : 'X.*/\(.*\)'`
1797                         (set x $dir; shift; eval $mkdir_p)
1798                         sh <"$src/$dir/$file"
1799                         ;;
1800                 *)
1801                         sh <"$src/$file"
1802                         ;;
1803                 esac
1804                 ;;
1805         esac
1806 done
1807 if test -f "$src/config_h.SH"; then
1808         if test ! -f config.h; then
1809         : oops, they left it out of MANIFEST, probably, so do it anyway.
1810         . "$src/config_h.SH"
1811         fi
1812 fi
1813 EOS
1814
1815 : extract files and exit if asked to do so
1816 case "$extractsh" in
1817 true)
1818         case "$realsilent" in
1819         true) ;;
1820         *) exec 1>&4;;
1821         esac
1822         case "$config_sh" in
1823         '') config_sh='config.sh';;
1824         esac
1825         echo " "
1826         echo "Fetching answers from $config_sh..."
1827         cd ..
1828         . $config_sh
1829         test "$override" && . ./optdef.sh
1830         echo " "
1831         . UU/extract
1832         rm -rf UU
1833         echo "Extraction done."
1834         exit 0
1835         ;;
1836 esac
1837
1838 : Eunice requires " " instead of "", can you believe it
1839 echo " "
1840 : Here we go...
1841 echo "Beginning of configuration questions for $package."
1842
1843 trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15
1844
1845 : first determine how to suppress newline on echo command
1846 echo " "
1847 echo "Checking echo to see how to suppress newlines..."
1848 (echo "hi there\c" ; echo " ") >.echotmp
1849 if $contains c .echotmp >/dev/null 2>&1 ; then
1850         echo "...using -n."
1851         n='-n'
1852         c=''
1853 else
1854         cat <<'EOM'
1855 ...using \c
1856 EOM
1857         n=''
1858         c='\c'
1859 fi
1860 echo $n "The star should be here-->$c"
1861 echo '*'
1862 rm -f .echotmp
1863
1864 : Now test for existence of everything in MANIFEST
1865 echo " "
1866 if test -f "$rsrc/MANIFEST"; then
1867         echo "First let's make sure your kit is complete.  Checking..." >&4
1868         awk '$1 !~ /PACK[A-Z]+/ {print $1}' "$rsrc/MANIFEST" | (split -l 50 2>/dev/null || split -50)
1869         rm -f missing
1870         tmppwd=`pwd`
1871         for filelist in x??; do
1872                 (cd "$rsrc"; ls `cat "$tmppwd/$filelist"` >/dev/null 2>>"$tmppwd/missing")
1873         done
1874         if test -s missing; then
1875                 cat missing >&4
1876                 cat >&4 <<'EOM'
1877
1878 THIS PACKAGE SEEMS TO BE INCOMPLETE.
1879
1880 You have the option of continuing the configuration process, despite the
1881 distinct possibility that your kit is damaged, by typing 'y'es.  If you
1882 do, don't blame me if something goes wrong.  I advise you to type 'n'o
1883 and contact the author (perlbug@perl.org).
1884
1885 EOM
1886                 echo $n "Continue? [n] $c" >&4
1887                 read ans
1888                 case "$ans" in
1889                 y*)
1890                         echo "Continuing..." >&4
1891                         rm -f missing
1892                         ;;
1893                 *)
1894                         echo "ABORTING..." >&4
1895                         kill $$
1896                         ;;
1897                 esac
1898         else
1899                 echo "Looks good..."
1900         fi
1901 else
1902         echo "There is no MANIFEST file.  I hope your kit is complete !"
1903 fi
1904 rm -f missing x??
1905
1906 echo " "
1907 : Find the appropriate value for a newline for tr
1908 if test -n "$DJGPP"; then
1909        trnl='\012'
1910 fi
1911 if test X"$trnl" = X; then
1912         case "`echo foo|tr '\n' x 2>/dev/null`" in
1913         foox) trnl='\n' ;;
1914         esac
1915 fi
1916 if test X"$trnl" = X; then
1917         case "`echo foo|tr '\012' x 2>/dev/null`" in
1918         foox) trnl='\012' ;;
1919         esac
1920 fi
1921 if test X"$trnl" = X; then
1922        case "`echo foo|tr '\r\n' xy 2>/dev/null`" in
1923        fooxy) trnl='\n\r' ;;
1924        esac
1925 fi
1926 if test X"$trnl" = X; then
1927         cat <<EOM >&2
1928
1929 $me: Fatal Error: cannot figure out how to translate newlines with 'tr'.
1930
1931 EOM
1932         exit 1
1933 fi
1934
1935 : compute the number of columns on the terminal for proper question formatting
1936 case "$COLUMNS" in
1937 '') COLUMNS='80';;
1938 esac
1939
1940 : set up the echo used in my read
1941 myecho="case \"\$xxxm\" in
1942 '') echo $n \"\$rp $c\" >&4;;
1943 *) case \"\$rp\" in
1944         '') echo $n \"[\$xxxm] $c\";;
1945         *)
1946                 if test \`echo \"\$rp [\$xxxm]  \" | wc -c\` -ge $COLUMNS; then
1947                         echo \"\$rp\" >&4
1948                         echo $n \"[\$xxxm] $c\" >&4
1949                 else
1950                         echo $n \"\$rp [\$xxxm] $c\" >&4
1951                 fi
1952                 ;;
1953         esac;;
1954 esac"
1955
1956 : now set up to do reads with possible shell escape and default assignment
1957 cat <<EOSC >myread
1958 $startsh
1959 xxxm=\$dflt
1960 $myecho
1961 ans='!'
1962 case "\$fastread" in
1963 yes) case "\$dflt" in
1964         '') ;;
1965         *) ans='';
1966                 case "\$silent-\$rp" in
1967                 true-) ;;
1968                 *) echo " " >&4;;
1969                 esac;;
1970         esac;;
1971 *) case "\$silent" in
1972         true) case "\$rp" in
1973                 '') ans='';;
1974                 esac;;
1975         esac;;
1976 esac
1977 while expr "X\$ans" : "X!" >/dev/null; do
1978         read answ
1979         set x \$xxxm
1980         shift
1981         aok=''; eval "ans=\\"\$answ\\"" && aok=y
1982         case  "\$answ" in
1983         "!")
1984                 sh 1>&4
1985                 echo " "
1986                 $myecho
1987                 ;;
1988         !*)
1989                 set x \`expr "X\$ans" : "X!\(.*\)\$"\`
1990                 shift
1991                 sh 1>&4 -c "\$*"
1992                 echo " "
1993                 $myecho
1994                 ;;
1995         "\$ans")
1996                 case "\$ans" in
1997                 \\&*)
1998                         set x \`expr "X\$ans" : "X&\(.*\)\$"\`
1999                         shift
2000                         case "\$1" in
2001                         -d)
2002                                 fastread=yes
2003                                 echo "(OK, I'll run with -d after this question.)" >&4
2004                                 ;;
2005                         -*)
2006                                 echo "*** Sorry, \$1 not supported yet." >&4
2007                                 ;;
2008                         esac
2009                         $myecho
2010                         ans=!
2011                         ;;
2012                 esac;;
2013         *)
2014                 case "\$aok" in
2015                 y)
2016                         echo "*** Substitution done -- please confirm."
2017                         xxxm="\$ans"
2018                         ans=\`echo $n "\$ans$c" | tr '$trnl' ' '\`
2019                         xxxm="\$ans"
2020                         ans=!
2021                         ;;
2022                 *)
2023                         echo "*** Error -- try again."
2024                         ans=!
2025                         ;;
2026                 esac
2027                 $myecho
2028                 ;;
2029         esac
2030         case "\$ans\$xxxm\$nostick" in
2031         '')
2032                 ans=!
2033                 $myecho
2034                 ;;
2035         esac
2036 done
2037 case "\$ans" in
2038 '') ans="\$xxxm";;
2039 esac
2040 EOSC
2041
2042 : create .config dir to save info across Configure sessions
2043 test -d ../.config || mkdir ../.config
2044 cat >../.config/README <<EOF
2045 This directory created by Configure to save information that should
2046 persist across sessions for $package.
2047
2048 You may safely delete it if you wish.
2049 EOF
2050
2051 xversion=`awk '/define[         ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
2052 case "$usedevel" in
2053 $define|true|[yY]*) ;;
2054 *) case "$xversion" in
2055    *[13579])
2056         cat >&4 <<EOH
2057 *** WHOA THERE!!! ***
2058
2059     This is an UNSTABLE DEVELOPMENT release.
2060     The version of this $package distribution is $xversion, that is, odd,
2061     (as opposed to even) and that signifies a development release.
2062     If you want a maintenance release, you want an even-numbered version.
2063
2064     Do ***NOT*** install this into production use.
2065     Data corruption and crashes are possible.
2066
2067     It is most seriously suggested that you do not continue any further
2068     unless you want to help in developing and debugging Perl.
2069
2070     If you *still* want to build perl, you can answer 'y' now,
2071     or pass -Dusedevel to Configure.
2072
2073 EOH
2074         rp='Do you really want to continue?'
2075         dflt='n'
2076         . ./myread
2077         case "$ans" in
2078         [yY]) echo >&4 "Okay, continuing."
2079               usedevel="$define" ;;
2080         *) echo >&4 "Okay, bye."
2081            exit 1
2082            ;;
2083         esac
2084         ;;
2085     esac
2086     ;;
2087 esac
2088 case "$usedevel" in
2089 $define|true|[yY]*)
2090         case "$versiononly" in
2091         '') versiononly="$define" ;;
2092         esac
2093         case "$installusrbinperl" in
2094         '') installusrbinperl="$undef" ;;
2095         esac
2096         ;;
2097 esac
2098
2099 : general instructions
2100 needman=true
2101 firsttime=true
2102 user=`(logname) 2>/dev/null`
2103 case "$user" in
2104 '') user=`whoami 2>&1`;;
2105 esac
2106 if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
2107         firsttime=false
2108         echo " "
2109         rp='Would you like to see the instructions?'
2110         dflt=n
2111         . ./myread
2112         case "$ans" in
2113         [yY]*) ;;
2114         *) needman=false;;
2115         esac
2116 fi
2117 if $needman; then
2118         cat <<EOH
2119
2120 This installation shell script will examine your system and ask you questions
2121 to determine how the perl5 package should be installed. If you get
2122 stuck on a question, you may use a ! shell escape to start a subshell or
2123 execute a command.  Many of the questions will have default answers in square
2124 brackets; typing carriage return will give you the default.
2125
2126 On some of the questions which ask for file or directory names you are allowed
2127 to use the ~name construct to specify the login directory belonging to "name",
2128 even if you don't have a shell which knows about that.  Questions where this is
2129 allowed will be marked "(~name ok)".
2130
2131 EOH
2132         rp=''
2133         dflt='Type carriage return to continue'
2134         . ./myread
2135         cat <<'EOH'
2136
2137 The prompter used in this script allows you to use shell variables and
2138 backticks in your answers.  You may use $1, $2, etc...  to refer to the words
2139 in the default answer, as if the default line was a set of arguments given to a
2140 script shell.  This means you may also use $* to repeat the whole default line,
2141 so you do not have to re-type everything to add something to the default.
2142
2143 Everytime there is a substitution, you will have to confirm.  If there is an
2144 error (e.g. an unmatched backtick), the default answer will remain unchanged
2145 and you will be prompted again.
2146
2147 If you are in a hurry, you may run 'Configure -d'.  This will bypass nearly all
2148 the questions and use the computed defaults (or the previous answers if there
2149 was already a config.sh file). Type 'Configure -h' for a list of options.
2150 You may also start interactively and then answer '& -d' at any prompt to turn
2151 on the non-interactive behaviour for the remainder of the execution.
2152
2153 EOH
2154         . ./myread
2155         cat <<EOH
2156
2157 Much effort has been expended to ensure that this shell script will run on any
2158 Unix system.  If despite that it blows up on yours, your best bet is to edit
2159 Configure and run it again.  If you can't run Configure for some reason,
2160 you'll have to generate a config.sh file by hand.  Whatever problems you
2161 have, let me (perlbug@perl.org) know how I blew it.
2162
2163 This installation script affects things in two ways:
2164
2165 1) it may do direct variable substitutions on some of the files included
2166    in this kit.
2167 2) it builds a config.h file for inclusion in C programs.  You may edit
2168    any of these files as the need arises after running this script.
2169
2170 If you make a mistake on a question, there is no easy way to back up to it
2171 currently.  The easiest thing to do is to edit config.sh and rerun all the SH
2172 files.  Configure will offer to let you do this before it runs the SH files.
2173
2174 EOH
2175         dflt='Type carriage return to continue'
2176         . ./myread
2177         case "$firsttime" in
2178         true) echo $user >>../.config/instruct;;
2179         esac
2180 fi
2181
2182 : find out where common programs are
2183 echo " "
2184 echo "Locating common programs..." >&4
2185 cat <<EOSC >loc
2186 $startsh
2187 case \$# in
2188 0) exit 1;;
2189 esac
2190 thing=\$1
2191 shift
2192 dflt=\$1
2193 shift
2194 for dir in \$*; do
2195         case "\$thing" in
2196         .)
2197         if test -d \$dir/\$thing; then
2198                 echo \$dir
2199                 exit 0
2200         fi
2201         ;;
2202         *)
2203         for thisthing in \$dir/\$thing; do
2204                 : just loop through to pick last item
2205         done
2206         if test -f \$thisthing; then
2207                 echo \$thisthing
2208                 exit 0
2209         elif test "X$_exe" != X -a -f \$thisthing$_exe; then
2210                 echo \$thisthing
2211                 exit 0
2212         elif test -f \$dir/\$thing.exe; then
2213                 if test -n "$DJGPP"; then
2214                         echo \$dir/\$thing.exe
2215                 elif test "$eunicefix" != ":"; then
2216                         : on Eunice apparently
2217                         echo \$dir/\$thing
2218                         exit 0
2219                 fi
2220                 exit 0
2221         fi
2222         ;;
2223         esac
2224 done
2225 echo \$dflt
2226 exit 1
2227 EOSC
2228 chmod +x loc
2229 $eunicefix loc
2230 loclist="
2231 awk
2232 cat
2233 chmod
2234 comm
2235 cp
2236 echo
2237 expr
2238 grep
2239 ls
2240 mkdir
2241 rm
2242 sed
2243 sort
2244 touch
2245 tr
2246 uniq
2247 "
2248 trylist="
2249 Mcc
2250 ar
2251 bison
2252 byacc
2253 cpp
2254 csh
2255 date
2256 egrep
2257 gmake
2258 gzip
2259 less
2260 ln
2261 make
2262 more
2263 nm
2264 nroff
2265 pg
2266 test
2267 uname
2268 zip
2269 "
2270 pth=`echo $PATH | sed -e "s/$p_/ /g"`
2271 pth="$pth /lib /usr/lib"
2272 for file in $loclist; do
2273         eval xxx=\$$file
2274         case "$xxx" in
2275         /*|?:[\\/]*)
2276                 if test -f "$xxx"; then
2277                         : ok
2278                 else
2279                         echo "WARNING: no $xxx -- ignoring your setting for $file." >&4
2280                         xxx=`./loc $file $file $pth`
2281                 fi
2282                 ;;
2283         '') xxx=`./loc $file $file $pth`;;
2284         *) xxx=`./loc $xxx $xxx $pth`;;
2285         esac
2286         eval $file=$xxx$_exe
2287         eval _$file=$xxx
2288         case "$xxx" in
2289         /*)
2290                 echo $file is in $xxx.
2291                 ;;
2292         ?:[\\/]*)
2293                 echo $file is in $xxx.
2294                 ;;
2295         *)
2296                 echo "I don't know where '$file' is, and my life depends on it." >&4
2297                 echo "Go find a public domain implementation or fix your PATH setting!" >&4
2298                 exit 1
2299                 ;;
2300         esac
2301 done
2302 echo " "
2303 echo "Don't worry if any of the following aren't found..."
2304 say=offhand
2305 for file in $trylist; do
2306         eval xxx=\$$file
2307         case "$xxx" in
2308         /*|?:[\\/]*)
2309                 if test -f "$xxx"; then
2310                         : ok
2311                 else
2312                         echo "WARNING: no $xxx -- ignoring your setting for $file." >&4
2313                         xxx=`./loc $file $file $pth`
2314                 fi
2315                 ;;
2316         '') xxx=`./loc $file $file $pth`;;
2317         *) xxx=`./loc $xxx $xxx $pth`;;
2318         esac
2319         eval $file=$xxx$_exe
2320         eval _$file=$xxx
2321         case "$xxx" in
2322         /*)
2323                 echo $file is in $xxx.
2324                 ;;
2325         ?:[\\/]*)
2326                 echo $file is in $xxx.
2327                 ;;
2328         *)
2329                 echo "I don't see $file out there, $say."
2330                 say=either
2331                 ;;
2332         esac
2333 done
2334 case "$egrep" in
2335 egrep)
2336         echo "Substituting grep for egrep."
2337         egrep=$grep
2338         _egrep=$grep
2339         ;;
2340 esac
2341 case "$ln" in
2342 ln)
2343         echo "Substituting cp for ln."
2344         ln=$cp
2345         _ln=$cp
2346         ;;
2347 esac
2348 case "$make" in
2349 make)   
2350         case "$gmake" in
2351         gmake)
2352         echo "I can't find make or gmake, and my life depends on it." >&4
2353         echo "Go find a public domain implementation or fix your PATH setting!" >&4
2354         exit 1
2355         ;;
2356         esac
2357         ;;
2358 esac    
2359 case "$gmake" in
2360 gmake)  ;;
2361 *)      # We can't have osname yet.
2362         if test -f "/system/gnu_library/bin/ar.pm"; then # Stratus VOS
2363                 # Assume that gmake, if found, is definitely GNU make
2364                 # and prefer it over the system make.
2365                 echo "Substituting gmake for make."
2366                 make=$gmake
2367                 _make=$gmake
2368         fi
2369         ;;
2370 esac
2371 case "$test" in
2372 test)
2373         echo "Hopefully test is built into your sh."
2374         ;;
2375 *)
2376         if `sh -c "PATH= test true" >/dev/null 2>&1`; then
2377                 echo "Using the test built into your sh."
2378                 test=test
2379                 _test=test
2380         fi
2381         ;;
2382 esac
2383 case "$echo" in
2384 echo)
2385         echo "Hopefully echo is built into your sh."
2386         ;;
2387 '') ;;
2388 *)
2389         echo " "
2390 echo "Checking compatibility between $echo and builtin echo (if any)..." >&4
2391         $echo $n "hi there$c" >foo1
2392         echo $n "hi there$c" >foo2
2393         if cmp foo1 foo2 >/dev/null 2>&1; then
2394                 echo "They are compatible.  In fact, they may be identical."
2395         else
2396                 case "$n" in
2397                 '-n') n='' c='\c';;
2398                 *) n='-n' c='';;
2399                 esac
2400                 cat <<FOO
2401 They are not compatible!  You are probably running ksh on a non-USG system.
2402 I'll have to use $echo instead of the builtin, since Bourne shell doesn't
2403 have echo built in and we may have to run some Bourne shell scripts.  That
2404 means I'll have to use '$n$c' to suppress newlines now.  Life is ridiculous.
2405
2406 FOO
2407                 $echo $n "The star should be here-->$c"
2408                 $echo "*"
2409         fi
2410         $rm -f foo1 foo2
2411         ;;
2412 esac
2413
2414 cat <<EOS >trygcc
2415 $startsh
2416 EOS
2417 cat <<'EOSC' >>trygcc
2418 case "$cc" in
2419 '') ;;
2420 *)  $rm -f try try.*
2421     $cat >try.c <<EOM
2422 int main(int argc, char *argv[]) {
2423   return 0;
2424 }
2425 EOM
2426     if $cc -o try $ccflags $ldflags try.c; then
2427        :
2428     else
2429         echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
2430         despair=yes
2431         trygcc=yes
2432         case "$cc" in
2433         *gcc*) trygcc=no ;;
2434         esac
2435         case "`$cc -v -c try.c 2>&1`" in
2436         *gcc*) trygcc=no ;;
2437         esac
2438         if $test X"$trygcc" = Xyes; then
2439             if gcc -o try -c try.c; then
2440                 echo " "
2441                 echo "You seem to have a working gcc, though." >&4
2442                 rp="Would you like to use it?"
2443                 dflt=y
2444                 if $test -f myread; then
2445                     . ./myread
2446                 else
2447                     if $test -f UU/myread; then
2448                         . ./UU/myread
2449                     else
2450                         echo "Cannot find myread, sorry.  Aborting." >&2
2451                         exit 1
2452                     fi
2453                 fi  
2454                 case "$ans" in
2455                 [yY]*) cc=gcc; ccname=gcc; ccflags=''; despair=no;
2456                        if $test -f usethreads.cbu; then
2457                            $cat >&4 <<EOM 
2458
2459 *** However, any setting of the C compiler flags (e.g. for thread support)
2460 *** has been lost.  It may be necessary to pass -Dcc=gcc to Configure
2461 *** (together with e.g. -Dusethreads).
2462
2463 EOM
2464                        fi;;
2465                 esac
2466             fi
2467         fi
2468     fi
2469     $rm -f try try.*
2470     ;;
2471 esac
2472 EOSC
2473
2474 cat <<EOS >checkcc
2475 $startsh
2476 EOS
2477 cat <<'EOSC' >>checkcc
2478 case "$cc" in        
2479 '') ;;
2480 *)  $rm -f try try.*              
2481     $cat >try.c <<EOM
2482 int main(int argc, char *argv[]) {
2483   return 0;
2484 }
2485 EOM
2486     if $cc -o try $ccflags $ldflags try.c; then
2487        :
2488     else
2489         if $test X"$despair" = Xyes; then
2490            echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
2491         fi
2492         $cat >&4 <<EOM         
2493 You need to find a working C compiler.
2494 Either (purchase and) install the C compiler supplied by your OS vendor,
2495 or for a free C compiler try http://gcc.gnu.org/
2496 I cannot continue any further, aborting.
2497 EOM
2498         exit 1
2499     fi
2500     $rm -f try try.*
2501     ;;
2502 esac
2503 EOSC
2504
2505 : determine whether symbolic links are supported
2506 echo " "
2507 $touch blurfl
2508 if $ln -s blurfl sym > /dev/null 2>&1 ; then
2509         echo "Symbolic links are supported." >&4
2510         lns="$ln -s"
2511 else
2512         echo "Symbolic links are NOT supported." >&4
2513         lns="$ln"
2514 fi
2515 $rm -f blurfl sym
2516
2517 : determine whether symbolic links are supported
2518 echo " "
2519 case "$lns" in
2520 *"ln"*" -s")
2521         echo "Checking how to test for symbolic links..." >&4
2522         $lns blurfl sym
2523         if $test "X$issymlink" = X; then
2524                 case "$newsh" in
2525                 '') sh     -c "PATH= test -h sym" >/dev/null 2>&1 ;;
2526                 *)  $newsh -c "PATH= test -h sym" >/dev/null 2>&1 ;;
2527                 esac
2528                 if test $? = 0; then
2529                         issymlink="test -h"
2530                 else
2531                         echo "Your builtin 'test -h' may be broken." >&4
2532                         case "$test" in
2533                         /*)     ;;
2534                         *)      pth=`echo $PATH | sed -e "s/$p_/ /g"`
2535                                 for p in $pth
2536                                 do
2537                                         if test -f "$p/$test"; then
2538                                                 test="$p/$test"
2539                                                 break
2540                                         fi
2541                                 done
2542                                 ;;
2543                         esac
2544                         case "$test" in
2545                         /*)
2546                                 echo "Trying external '$test -h'." >&4
2547                                 issymlink="$test -h"
2548                                 if $test ! -h sym >/dev/null 2>&1; then
2549                                         echo "External '$test -h' is broken, too." >&4
2550                                         issymlink=''
2551                                 fi
2552                                 ;;
2553                         *)      issymlink='' ;;
2554                         esac
2555                 fi              
2556         fi
2557         if $test "X$issymlink" = X; then
2558                 if $test -L sym 2>/dev/null; then
2559                         issymlink="$test -L"
2560                         echo "The builtin '$test -L' worked." >&4
2561                 fi
2562         fi
2563         if $test "X$issymlink" != X; then
2564                 echo "You can test for symbolic links with '$issymlink'." >&4
2565         else
2566                 echo "I do not know how you can test for symbolic links." >&4
2567         fi
2568         $rm -f blurfl sym
2569         ;;
2570 *)      echo "No symbolic links, so not testing for their testing..." >&4
2571         ;;
2572 esac
2573 echo " "
2574
2575
2576 case "$mksymlinks" in
2577 $define|true|[yY]*)
2578         case "$src" in
2579         ''|'.') echo "Cannot create symlinks in the original directory." >&4
2580                 exit 1
2581                 ;;
2582         *)      case "$lns:$issymlink" in
2583                 *"ln"*" -s:"*"test -"?)
2584                         echo "Creating the symbolic links..." >&4
2585                         echo "(First creating the subdirectories...)" >&4
2586                         cd ..
2587                         awk '{print $1}' $src/MANIFEST | grep / | sed 's:/[^/]*$::' | sort -u | while true; do
2588                                 read directory
2589                                 test -z "$directory" && break
2590                                 mkdir -p $directory
2591                         done
2592                         # Sanity check 1.
2593                         if test ! -d t/base; then
2594                                 echo "Failed to create the subdirectories.  Aborting." >&4
2595                                 exit 1
2596                         fi
2597                         echo "(Then creating the symlinks...)" >&4
2598                         awk '{print $1}' $src/MANIFEST | while true; do
2599                                 read filename
2600                                 test -z "$filename" && break
2601                                 if test -f $filename; then
2602                                         if $issymlink $filename; then
2603                                                 rm -f $filename
2604                                         fi
2605                                 fi
2606                                 if test -f $filename; then
2607                                         echo "$filename already exists, not symlinking."
2608                                 else
2609                                         ln -s $src/$filename $filename
2610                                 fi
2611                         done
2612                         # Sanity check 2.
2613                         if test ! -f t/base/lex.t; then
2614                                 echo "Failed to create the symlinks (t/base/lex.t missing).  Aborting." >&4
2615                                 exit 1
2616                         fi
2617                         cd UU
2618                         ;;
2619                 *)      echo "(I cannot figure out how to do symbolic links, ignoring mksymlinks)." >&4
2620                         ;;
2621                 esac
2622                 ;;
2623         esac
2624         ;;
2625 esac
2626
2627
2628 case "$usecrosscompile" in
2629 $define|true|[yY]*)
2630         $echo "Cross-compiling..."
2631         croak=''
2632         case "$cc" in
2633         *-*-gcc) # A cross-compiling gcc, probably.
2634             targetarch=`$echo $cc|$sed 's/-gcc$//'`
2635             ar=$targetarch-ar
2636             # leave out ld, choosing it is more complex
2637             nm=$targetarch-nm
2638             ranlib=$targetarch-ranlib
2639             $echo 'extern int foo;' > try.c
2640             set X `$cc -v -E try.c 2>&1 | $awk '/^#include </,/^End of search /'|$grep '/include'`
2641             shift
2642             if $test $# -gt 0; then
2643                 incpth="$incpth $*"
2644                 incpth="`$echo $incpth|$sed 's/^ //'`"
2645                 echo "Guessing incpth '$incpth'." >&4
2646                 for i in $*; do
2647                     j="`$echo $i|$sed 's,/include$,/lib,'`"
2648                     if $test -d $j; then
2649                         libpth="$libpth $j"
2650                     fi
2651                 done   
2652                 libpth="`$echo $libpth|$sed 's/^ //'`"
2653                 echo "Guessing libpth '$libpth'." >&4
2654             fi
2655             $rm -f try.c
2656             ;;
2657         esac
2658         case "$targetarch" in
2659         '') echo "Targetarch not defined." >&4; croak=y ;;
2660         *)  echo "Using targetarch $targetarch." >&4 ;;
2661         esac
2662         case "$incpth" in
2663         '') echo "Incpth not defined." >&4; croak=y ;;
2664         *)  echo "Using incpth '$incpth'." >&4 ;;
2665         esac
2666         case "$libpth" in
2667         '') echo "Libpth not defined." >&4; croak=y ;;
2668         *)  echo "Using libpth '$libpth'." >&4 ;;
2669         esac
2670         case "$usrinc" in
2671         '') for i in $incpth; do
2672                 if $test -f $i/errno.h -a -f $i/stdio.h -a -f $i/time.h; then
2673                     usrinc=$i
2674                     echo "Guessing usrinc $usrinc." >&4
2675                     break
2676                 fi
2677             done
2678             case "$usrinc" in
2679             '') echo "Usrinc not defined." >&4; croak=y ;;
2680             esac
2681             ;;
2682         *)  echo "Using usrinc $usrinc." >&4 ;;
2683         esac
2684         case "$targethost" in
2685         '') echo "Targethost not defined." >&4; croak=y ;;
2686         *)  echo "Using targethost $targethost." >&4
2687         esac
2688         locincpth=' '
2689         loclibpth=' '
2690         case "$croak" in
2691         y) echo "Cannot continue, aborting." >&4; exit 1 ;;
2692         esac
2693         case "$src" in
2694         /*) run=$src/Cross/run
2695             targetmkdir=$src/Cross/mkdir
2696             to=$src/Cross/to
2697             from=$src/Cross/from
2698             ;;
2699         *)  pwd=`$test -f ../Configure & cd ..; pwd`
2700             run=$pwd/Cross/run
2701             targetmkdir=$pwd/Cross/mkdir
2702             to=$pwd/Cross/to
2703             from=$pwd/Cross/from
2704             ;;
2705         esac
2706         case "$targetrun" in
2707         '') targetrun=ssh ;;
2708         esac
2709         case "$targetto" in
2710         '') targetto=scp ;;
2711         esac
2712         case "$targetfrom" in
2713         '') targetfrom=scp ;;
2714         esac
2715         run=$run-$targetrun
2716         to=$to-$targetto
2717         from=$from-$targetfrom
2718         case "$targetdir" in
2719         '')  targetdir=/tmp
2720              echo "Guessing targetdir $targetdir." >&4
2721              ;;
2722         esac
2723         case "$targetuser" in
2724         '')  targetuser=root
2725              echo "Guessing targetuser $targetuser." >&4
2726              ;;
2727         esac
2728         case "$targetfrom" in
2729         scp)    q=-q ;;
2730         *)      q='' ;;
2731         esac
2732         case "$targetrun" in
2733         ssh|rsh)
2734             cat >$run <<EOF
2735 #!/bin/sh
2736 case "\$1" in
2737 -cwd)
2738   shift
2739   cwd=\$1
2740   shift
2741   ;;
2742 esac
2743 case "\$cwd" in
2744 '') cwd=$targetdir ;;
2745 esac
2746 exe=\$1
2747 shift
2748 if $test ! -f \$exe.xok; then
2749   $to \$exe
2750   $touch \$exe.xok
2751 fi
2752 $targetrun -l $targetuser $targethost "cd \$cwd && ./\$exe \$@"
2753 EOF
2754             ;;
2755         *)  echo "Unknown targetrun '$targetrun'" >&4
2756             exit 1
2757             ;;
2758         esac
2759         case "$targetmkdir" in
2760         */Cross/mkdir)
2761             cat >$targetmkdir <<EOF
2762 #!/bin/sh
2763 $targetrun -l $targetuser $targethost "mkdir -p \$@"
2764 EOF
2765             $chmod a+rx $targetmkdir
2766             ;;
2767         *)  echo "Unknown targetmkdir '$targetmkdir'" >&4
2768             exit 1
2769             ;;
2770         esac
2771         case "$targetto" in
2772         scp|rcp)
2773             cat >$to <<EOF
2774 #!/bin/sh
2775 for f in \$@
2776 do
2777   case "\$f" in
2778   /*)
2779     $targetmkdir \`dirname \$f\`
2780     $targetto $q \$f $targetuser@$targethost:\$f            || exit 1
2781     ;;
2782   *)
2783     $targetmkdir $targetdir/\`dirname \$f\`
2784     $targetto $q \$f $targetuser@$targethost:$targetdir/\$f || exit 1
2785     ;;
2786   esac
2787 done
2788 exit 0
2789 EOF
2790             ;;
2791         cp) cat >$to <<EOF
2792 #!/bin/sh
2793 for f in \$@
2794 do
2795   case "\$f" in
2796   /*)
2797     $mkdir -p $targetdir/\`dirname \$f\`
2798     $cp \$f $targetdir/\$f || exit 1
2799     ;;
2800   *)
2801     $targetmkdir $targetdir/\`dirname \$f\`
2802     $cp \$f $targetdir/\$f || exit 1
2803     ;;
2804   esac
2805 done
2806 exit 0
2807 EOF
2808             ;;
2809         *)  echo "Unknown targetto '$targetto'" >&4
2810             exit 1
2811             ;;
2812         esac
2813         case "$targetfrom" in
2814         scp|rcp)
2815           cat >$from <<EOF
2816 #!/bin/sh
2817 for f in \$@
2818 do
2819   $rm -f \$f
2820   $targetfrom $q $targetuser@$targethost:$targetdir/\$f . || exit 1
2821 done
2822 exit 0
2823 EOF
2824             ;;
2825         cp) cat >$from <<EOF
2826 #!/bin/sh
2827 for f in \$@
2828 do
2829   $rm -f \$f
2830   cp $targetdir/\$f . || exit 1
2831 done
2832 exit 0
2833 EOF
2834             ;;
2835         *)  echo "Unknown targetfrom '$targetfrom'" >&4
2836             exit 1
2837             ;;
2838         esac
2839         if $test ! -f $run; then
2840             echo "Target 'run' script '$run' not found." >&4
2841         else
2842             $chmod a+rx $run
2843         fi
2844         if $test ! -f $to; then
2845             echo "Target 'to' script '$to' not found." >&4
2846         else
2847             $chmod a+rx $to
2848         fi
2849         if $test ! -f $from; then
2850             echo "Target 'from' script '$from' not found." >&4
2851         else
2852             $chmod a+rx $from
2853         fi
2854         if $test ! -f $run -o ! -f $to -o ! -f $from; then
2855             exit 1
2856         fi
2857         cat >&4 <<EOF
2858 Using '$run' for remote execution,
2859 and '$from' and '$to'
2860 for remote file transfer.
2861 EOF
2862         ;;
2863 *)      run=''
2864         to=:
2865         from=:
2866         usecrosscompile='undef'
2867         targetarch=''
2868         ;;
2869 esac
2870
2871 : see whether [:lower:] and [:upper:] are supported character classes
2872 echo " "
2873 case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
2874 ABYZ)
2875         echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4
2876         up='[:upper:]'
2877         low='[:lower:]'
2878         ;;
2879 *)      # There is a discontinuity in EBCDIC between 'I' and 'J'
2880         # (0xc9 and 0xd1), therefore that is a nice testing point.
2881         if test "X$up" = X -o "X$low" = X; then
2882             case "`echo IJ | $tr '[I-J]' '[i-j]' 2>/dev/null`" in
2883             ij) up='[A-Z]'
2884                 low='[a-z]'
2885                 ;;
2886             esac
2887         fi
2888         if test "X$up" = X -o "X$low" = X; then
2889             case "`echo IJ | $tr I-J i-j 2>/dev/null`" in
2890             ij) up='A-Z'
2891                 low='a-z'
2892                 ;;
2893             esac
2894         fi
2895         if test "X$up" = X -o "X$low" = X; then
2896             case "`echo IJ | od -x 2>/dev/null`" in
2897             *C9D1*|*c9d1*)
2898                 echo "Hey, this might be EBCDIC." >&4
2899                 if test "X$up" = X -o "X$low" = X; then
2900                     case "`echo IJ | $tr '[A-IJ-RS-Z]' '[a-ij-rs-z]' 2>/dev/null`" in
2901                     ij) up='[A-IJ-RS-Z]'
2902                         low='[a-ij-rs-z]'
2903                         ;;
2904                     esac
2905                 fi
2906                 if test "X$up" = X -o "X$low" = X; then
2907                     case "`echo IJ | $tr A-IJ-RS-Z a-ij-rs-z 2>/dev/null`" in
2908                     ij) up='A-IJ-RS-Z'
2909                         low='a-ij-rs-z'
2910                         ;;
2911                     esac
2912                 fi
2913                 ;;
2914             esac
2915         fi
2916 esac
2917 case "`echo IJ | $tr \"$up\" \"$low\" 2>/dev/null`" in
2918 ij)
2919     echo "Using $up and $low to convert case." >&4
2920     ;;
2921 *)
2922     echo "I don't know how to translate letters from upper to lower case." >&4
2923     echo "Your tr is not acting any way I know of." >&4
2924     exit 1
2925     ;;
2926 esac
2927 : set up the translation script tr, must be called with ./tr of course
2928 cat >tr <<EOSC
2929 $startsh
2930 case "\$1\$2" in
2931 '[A-Z][a-z]') exec $tr '$up' '$low';;
2932 '[a-z][A-Z]') exec $tr '$low' '$up';;
2933 esac
2934 exec $tr "\$@"
2935 EOSC
2936 chmod +x tr
2937 $eunicefix tr
2938
2939 : Try to determine whether config.sh was made on this system
2940 case "$config_sh" in
2941 '')
2942 myuname=`$uname -a 2>/dev/null`
2943 $test -z "$myuname" && myuname=`hostname 2>/dev/null`
2944 # tr '[A-Z]' '[a-z]' would not work in EBCDIC
2945 # because the A-Z/a-z are not consecutive.
2946 myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e 's/\///g' | \
2947         ./tr '[A-Z]' '[a-z]' | $tr $trnl ' '`
2948 newmyuname="$myuname"
2949 dflt=n
2950 case "$knowitall" in
2951 '')
2952         if test -f ../config.sh; then
2953                 if $contains myuname= ../config.sh >/dev/null 2>&1; then
2954                         eval "`grep myuname= ../config.sh`"
2955                 fi
2956                 if test "X$myuname" = "X$newmyuname"; then
2957                         dflt=y
2958                 fi
2959         fi
2960         ;;
2961 *) dflt=y;;
2962 esac
2963
2964 : Get old answers from old config file if Configure was run on the
2965 : same system, otherwise use the hints.
2966 hint=default
2967 cd ..
2968 if test -f config.sh; then
2969         echo " "
2970         rp="I see a config.sh file.  Shall I use it to set the defaults?"
2971         . UU/myread
2972         case "$ans" in
2973         n*|N*) echo "OK, I'll ignore it."
2974                 mv config.sh config.sh.old
2975                 myuname="$newmyuname"
2976                 ;;
2977         *)  echo "Fetching default answers from your old config.sh file..." >&4
2978                 tmp_n="$n"
2979                 tmp_c="$c"
2980                 tmp_sh="$sh"
2981                 . ./config.sh
2982                 cp config.sh UU
2983                 n="$tmp_n"
2984                 c="$tmp_c"
2985                 : Older versions did not always set $sh.  Catch re-use of such
2986                 : an old config.sh.
2987                 case "$sh" in
2988                 '') sh="$tmp_sh" ;;
2989                 esac
2990                 hint=previous
2991                 ;;
2992         esac
2993 fi
2994 . ./UU/checkcc
2995 if test ! -f config.sh; then
2996         $cat <<EOM
2997
2998 First time through, eh?  I have some defaults handy for some systems
2999 that need some extra help getting the Configure answers right:
3000
3001 EOM
3002         (cd $src/hints; ls -C *.sh) | $sed 's/\.sh/   /g' >&4
3003         dflt=''
3004         : Half the following guesses are probably wrong... If you have better
3005         : tests or hints, please send them to perlbug@perl.org
3006         : The metaconfig authors would also appreciate a copy...
3007         $test -f /irix && osname=irix
3008         $test -f /xenix && osname=sco_xenix
3009         $test -f /dynix && osname=dynix
3010         $test -f /dnix && osname=dnix
3011         $test -f /lynx.os && osname=lynxos
3012         $test -f /unicos && osname=unicos && osvers=`$uname -r`
3013         $test -f /unicosmk && osname=unicosmk && osvers=`$uname -r`
3014         $test -f /unicosmk.ar && osname=unicosmk && osvers=`$uname -r`
3015         $test -f /bin/mips && /bin/mips && osname=mips
3016         $test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \
3017                 $sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4
3018         $test -d /usr/apollo/bin && osname=apollo
3019         $test -f /etc/saf/_sactab && osname=svr4
3020         $test -d /usr/include/minix && osname=minix
3021         $test -f /system/gnu_library/bin/ar.pm && osname=vos
3022         if $test -d /MachTen -o -d /MachTen_Folder; then
3023                 osname=machten
3024                 if $test -x /sbin/version; then
3025                         osvers=`/sbin/version | $awk '{print $2}' |
3026                         $sed -e 's/[A-Za-z]$//'`
3027                 elif $test -x /usr/etc/version; then
3028                         osvers=`/usr/etc/version | $awk '{print $2}' |
3029                         $sed -e 's/[A-Za-z]$//'`
3030                 else
3031                         osvers="$2.$3"
3032                 fi
3033         fi
3034
3035         $test -f /sys/posix.dll &&
3036                 $test -f /usr/bin/what &&
3037                 set X `/usr/bin/what /sys/posix.dll` &&
3038                 $test "$3" = UWIN &&
3039                 osname=uwin &&
3040                 osvers="$5"
3041
3042         if $test -f $uname; then
3043                 set X $myuname
3044                 shift
3045
3046                 case "$5" in
3047                 fps*) osname=fps ;;
3048                 mips*)
3049                         case "$4" in
3050                         umips) osname=umips ;;
3051                         *) osname=mips ;;
3052                         esac;;
3053                 [23]100) osname=mips ;;
3054                 next*) osname=next ;;
3055                 i386*)
3056                         tmp=`/bin/uname -X 2>/dev/null|awk '/3\.2v[45]/{ print $(NF) }'`
3057                         if $test "$tmp" != "" -a "$3" = "3.2" -a -f '/etc/systemid'; then
3058                                 osname='sco'
3059                                 osvers=$tmp
3060                         elif $test -f /etc/kconfig; then
3061                                 osname=isc
3062                                 if test "$lns" = "$ln -s"; then
3063                                         osvers=4
3064                                 elif $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then
3065                                         osvers=3
3066                                 elif $contains _POSIX_SOURCE /usr/include/stdio.h > /dev/null 2>&1 ; then
3067                                         osvers=2
3068                                 fi
3069                         fi
3070                         tmp=''
3071                         ;;
3072                 pc*)
3073                         if test -n "$DJGPP"; then
3074                                 osname=dos
3075                                 osvers=djgpp
3076                         fi
3077                         ;;
3078                 esac
3079
3080                 case "$1" in
3081                 aix) osname=aix
3082                         tmp=`( (oslevel) 2>/dev/null || echo "not found") 2>&1`
3083                         case "$tmp" in
3084                         'not found') osvers="$4"."$3" ;;
3085                         '<3240'|'<>3240') osvers=3.2.0 ;;
3086                         '=3240'|'>3240'|'<3250'|'<>3250') osvers=3.2.4 ;;
3087                         '=3250'|'>3250') osvers=3.2.5 ;;
3088                         *) osvers=$tmp;;
3089                         esac
3090                         ;;
3091                 bsd386) osname=bsd386
3092                         osvers=`$uname -r`
3093                         ;;
3094                 cygwin*) osname=cygwin
3095                         osvers="$3"
3096                         ;;
3097                 *dc.osx) osname=dcosx
3098                         osvers="$3"
3099                         ;;
3100                 dnix) osname=dnix
3101                         osvers="$3"
3102                         ;;
3103                 domainos) osname=apollo
3104                         osvers="$3"
3105                         ;;
3106                 dgux) osname=dgux 
3107                         osvers="$3"
3108                         ;;
3109                 dynixptx*) osname=dynixptx
3110                         osvers=`echo "$4"|sed 's/^v//'`
3111                         ;;
3112                 freebsd) osname=freebsd 
3113                         osvers="$3" ;;
3114                 genix) osname=genix ;;
3115                 hp*) osname=hpux 
3116                         osvers=`echo "$3" | $sed 's,.*\.\([0-9]*\.[0-9]*\),\1,'`
3117                         ;;
3118                 irix*) osname=irix
3119                         case "$3" in
3120                         4*) osvers=4 ;;
3121                         5*) osvers=5 ;;
3122                         *)      osvers="$3" ;;
3123                         esac
3124                         ;;
3125                 linux) osname=linux
3126                         case "$3" in
3127                         *)      osvers="$3" ;;
3128                         esac
3129                         ;;
3130                 MiNT) osname=mint
3131                         ;;
3132                 netbsd*) osname=netbsd
3133                         osvers="$3"
3134                         ;;
3135                 news-os) osvers="$3"
3136                         case "$3" in
3137                         4*) osname=newsos4 ;;
3138                         *) osname=newsos ;;
3139                         esac
3140                         ;;
3141                 next*) osname=next ;;
3142                 nonstop-ux) osname=nonstopux ;;
3143                 openbsd) osname=openbsd
3144                         osvers="$3"
3145                         ;;
3146                 os2)    osname=os2
3147                         osvers="$4"
3148                         ;;
3149                 POSIX-BC | posix-bc ) osname=posix-bc
3150                         osvers="$3"
3151                         ;;
3152                 powerux | power_ux | powermax_os | powermaxos | \
3153                 powerunix | power_unix) osname=powerux
3154                         osvers="$3"
3155                         ;;
3156                 qnx) osname=qnx
3157                         osvers="$4"
3158                         ;;
3159                 solaris) osname=solaris
3160                         case "$3" in
3161                         5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;;
3162                         *)      osvers="$3" ;;
3163                         esac
3164                         ;;
3165                 sunos) osname=sunos
3166                         case "$3" in
3167                         5*) osname=solaris
3168                                 osvers=`echo $3 | $sed 's/^5/2/g'` ;;
3169                         *)      osvers="$3" ;;
3170                         esac
3171                         ;;
3172                 titanos) osname=titanos
3173                         case "$3" in
3174                         1*) osvers=1 ;;
3175                         2*) osvers=2 ;;
3176                         3*) osvers=3 ;;
3177                         4*) osvers=4 ;;
3178                         *)      osvers="$3" ;;
3179                         esac
3180                         ;;
3181                 ultrix) osname=ultrix
3182                         osvers="$3"
3183                         ;;
3184                 osf1|mls+)      case "$5" in
3185                                 alpha)
3186                                         osname=dec_osf
3187                                         osvers=`sizer -v | awk -FUNIX '{print $2}' | awk '{print $1}' |  tr '[A-Z]' '[a-z]' | sed 's/^[xvt]//'`
3188                                         case "$osvers" in
3189                                         [1-9].[0-9]*) ;;
3190                                         *) osvers=`echo "$3" | sed 's/^[xvt]//'` ;;
3191                                         esac
3192                                         ;;
3193                         hp*)    osname=hp_osf1  ;;
3194                         mips)   osname=mips_osf1 ;;
3195                         esac
3196                         ;;
3197                 # UnixWare 7.1.2 is known as Open UNIX 8
3198                 openunix|unixware) osname=svr5
3199                         osvers="$4"
3200                         ;;
3201                 uts)    osname=uts
3202                         osvers="$3"
3203                         ;;
3204                 vos) osvers="$3"
3205                         ;;
3206                 $2) case "$osname" in
3207                         *isc*) ;;
3208                         *freebsd*) ;;
3209                         svr*)
3210                                 : svr4.x or possibly later
3211                                 case "svr$3" in 
3212                                 ${osname}*)
3213                                         osname=svr$3
3214                                         osvers=$4
3215                                         ;;
3216                                 esac
3217                                 case "$osname" in
3218                                 svr4.0)
3219                                         : Check for ESIX
3220                                         if test -f /stand/boot ; then
3221                                                 eval `grep '^INITPROG=[a-z/0-9]*$' /stand/boot`
3222                                                 if test -n "$INITPROG" -a -f "$INITPROG"; then
3223                         isesix=`strings -a $INITPROG|grep 'ESIX SYSTEM V/386 Release 4.0'`
3224                                                         if test -n "$isesix"; then
3225                                                                 osname=esix4
3226                                                         fi
3227                                                 fi
3228                                         fi
3229                                         ;;
3230                                 esac
3231                                 ;;
3232                         *)      if test -f /etc/systemid; then
3233                                         osname=sco
3234                                         set `echo $3 | $sed 's/\./ /g'` $4
3235                                         if $test -f $src/hints/sco_$1_$2_$3.sh; then
3236                                                 osvers=$1.$2.$3
3237                                         elif $test -f $src/hints/sco_$1_$2.sh; then
3238                                                 osvers=$1.$2
3239                                         elif $test -f $src/hints/sco_$1.sh; then
3240                                                 osvers=$1
3241                                         fi
3242                                 else
3243                                         case "$osname" in
3244                                         '') : Still unknown.  Probably a generic Sys V.
3245                                                 osname="sysv"
3246                                                 osvers="$3"
3247                                                 ;;
3248                                         esac
3249                                 fi
3250                                 ;;
3251                         esac
3252                         ;;
3253                 *)      case "$osname" in
3254                         '') : Still unknown.  Probably a generic BSD.
3255                                 osname="$1"
3256                                 osvers="$3"
3257                                 ;;
3258                         esac
3259                         ;;
3260                 esac
3261         else
3262                 if test -f /vmunix -a -f $src/hints/news_os.sh; then
3263                         (what /vmunix | UU/tr '[A-Z]' '[a-z]') > UU/kernel.what 2>&1
3264                         if $contains news-os UU/kernel.what >/dev/null 2>&1; then
3265                                 osname=news_os
3266                         fi
3267                         $rm -f UU/kernel.what
3268                 elif test -d c:/. -o -n "$is_os2" ; then
3269                         set X $myuname
3270                         osname=os2
3271                         osvers="$5"
3272                 fi
3273         fi
3274         
3275         case "$targetarch" in
3276         '') ;;
3277         *)  hostarch=$osname
3278             osname=`echo $targetarch|sed 's,^[^-]*-,,'`
3279             osvers=''
3280             ;;
3281         esac
3282
3283         : Now look for a hint file osname_osvers, unless one has been
3284         : specified already.
3285         case "$hintfile" in
3286         ''|' ')
3287                 file=`echo "${osname}_${osvers}" | $sed -e 's%\.%_%g' -e 's%_$%%'`
3288                 : Also try without trailing minor version numbers.
3289                 xfile=`echo $file | $sed -e 's%_[^_]*$%%'`
3290                 xxfile=`echo $xfile | $sed -e 's%_[^_]*$%%'`
3291                 xxxfile=`echo $xxfile | $sed -e 's%_[^_]*$%%'`
3292                 xxxxfile=`echo $xxxfile | $sed -e 's%_[^_]*$%%'`
3293                 case "$file" in
3294                 '') dflt=none ;;
3295                 *)  case "$osvers" in
3296                         '') dflt=$file
3297                                 ;;
3298                         *)  if $test -f $src/hints/$file.sh ; then
3299                                         dflt=$file
3300                                 elif $test -f $src/hints/$xfile.sh ; then
3301                                         dflt=$xfile
3302                                 elif $test -f $src/hints/$xxfile.sh ; then
3303                                         dflt=$xxfile
3304                                 elif $test -f $src/hints/$xxxfile.sh ; then
3305                                         dflt=$xxxfile
3306                                 elif $test -f $src/hints/$xxxxfile.sh ; then
3307                                         dflt=$xxxxfile
3308                                 elif $test -f "$src/hints/${osname}.sh" ; then
3309                                         dflt="${osname}"
3310                                 else
3311                                         dflt=none
3312                                 fi
3313                                 ;;
3314                         esac
3315                         ;;
3316                 esac
3317                 if $test -f Policy.sh ; then
3318                         case "$dflt" in
3319                         *Policy*) ;;
3320                         none) dflt="Policy" ;;
3321                         *) dflt="Policy $dflt" ;;
3322                         esac
3323                 fi
3324                 ;;
3325         *)
3326                 dflt=`echo $hintfile | $sed 's/\.sh$//'`
3327                 ;;
3328         esac
3329
3330         if $test -f Policy.sh ; then
3331                 $cat <<EOM
3332
3333 There's also a Policy hint file available, which should make the
3334 site-specific (policy) questions easier to answer.
3335 EOM
3336
3337         fi
3338
3339         $cat <<EOM
3340
3341 You may give one or more space-separated answers, or "none" if appropriate.
3342 A well-behaved OS will have no hints, so answering "none" or just "Policy"
3343 is a good thing.  DO NOT give a wrong version or a wrong OS.
3344
3345 EOM
3346
3347         rp="Which of these apply, if any?"
3348         . UU/myread
3349         tans=$ans
3350         for file in $tans; do
3351                 if $test X$file = XPolicy -a -f Policy.sh; then
3352                         . Policy.sh
3353                         $cat Policy.sh >> UU/config.sh
3354                 elif $test -f $src/hints/$file.sh; then
3355                         . $src/hints/$file.sh
3356                         $cat $src/hints/$file.sh >> UU/config.sh
3357                 elif $test X"$tans" = X -o X"$tans" = Xnone ; then
3358                         : nothing
3359                 else
3360                         : Give one chance to correct a possible typo.
3361                         echo "$file.sh does not exist"
3362                         dflt=$file
3363                         rp="hint to use instead?"
3364                         . UU/myread
3365                         for file in $ans; do
3366                                 if $test -f "$src/hints/$file.sh"; then
3367                                         . $src/hints/$file.sh
3368                                         $cat $src/hints/$file.sh >> UU/config.sh
3369                                 elif $test X$ans = X -o X$ans = Xnone ; then
3370                                         : nothing
3371                                 else
3372                                         echo "$file.sh does not exist -- ignored."
3373                                 fi
3374                         done
3375                 fi
3376         done
3377
3378         hint=recommended
3379         : Remember our hint file for later.
3380         if $test -f "$src/hints/$file.sh" ; then
3381                 hintfile="$file"
3382         else
3383                 hintfile=''
3384         fi
3385 fi
3386 cd UU
3387 ;;
3388 *)
3389         echo " "
3390         echo "Fetching default answers from $config_sh..." >&4
3391         tmp_n="$n"
3392         tmp_c="$c"
3393         cd ..
3394         cp $config_sh config.sh 2>/dev/null
3395         chmod +w config.sh
3396         . ./config.sh
3397         cd UU
3398         cp ../config.sh .
3399         n="$tmp_n"
3400         c="$tmp_c"
3401         hint=previous
3402         ;;
3403 esac
3404 test "$override" && . ./optdef.sh
3405
3406 : Restore computed paths
3407 for file in $loclist $trylist; do
3408         eval $file="\$_$file"
3409 done
3410
3411 cat << EOM
3412
3413 Configure uses the operating system name and version to set some defaults.
3414 The default value is probably right if the name rings a bell. Otherwise,
3415 since spelling matters for me, either accept the default or answer "none"
3416 to leave it blank.
3417
3418 EOM
3419 case "$osname" in
3420         ''|' ')
3421                 case "$hintfile" in
3422                 ''|' '|none) dflt=none ;;
3423                 *)  dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/_.*$//'` ;;
3424                 esac
3425                 ;;
3426         *) dflt="$osname" ;;
3427 esac
3428 rp="Operating system name?"
3429 . ./myread
3430 case "$ans" in
3431 none)  osname='' ;;
3432 *) osname=`echo "$ans" | $sed -e 's/[   ][      ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;;
3433 esac
3434 echo " "
3435 case "$osvers" in
3436         ''|' ')
3437                 case "$hintfile" in
3438                 ''|' '|none) dflt=none ;;
3439                 *)      dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'`
3440                         dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'`
3441                         case "$dflt" in
3442                         ''|' ') dflt=none ;;
3443                         esac
3444                         ;;
3445                 esac
3446                 ;;
3447         *) dflt="$osvers" ;;
3448 esac
3449 rp="Operating system version?"
3450 . ./myread
3451 case "$ans" in
3452 none)  osvers='' ;;
3453 *) osvers="$ans" ;;
3454 esac
3455
3456
3457 . ./posthint.sh
3458
3459 : who configured the system
3460 cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
3461 cf_by=`(logname) 2>/dev/null`
3462 case "$cf_by" in
3463 "")
3464         cf_by=`(whoami) 2>/dev/null`
3465         case "$cf_by" in
3466         "") cf_by=unknown ;;
3467         esac ;;
3468 esac
3469
3470 : set up the script used to warn in case of inconsistency
3471 cat <<EOS >whoa
3472 $startsh
3473 EOS
3474 cat <<'EOSC' >>whoa
3475 dflt=y
3476 echo " "
3477 echo "*** WHOA THERE!!! ***" >&4
3478 echo "    The $hint value for \$$var on this machine was \"$was\"!" >&4
3479 rp="    Keep the $hint value?"
3480 . ./myread
3481 case "$ans" in
3482 y) td=$was; tu=$was;;
3483 esac
3484 EOSC
3485
3486 : function used to set $1 to $val
3487 setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
3488 case "$val$was" in
3489 $define$undef) . ./whoa; eval "$var=\$td";;
3490 $undef$define) . ./whoa; eval "$var=\$tu";;
3491 *) eval "$var=$val";;
3492 esac'
3493
3494 case "$usesocks" in
3495 $define|true|[yY]*)     dflt='y';;
3496 *) dflt='n';;
3497 esac
3498 cat <<EOM
3499
3500 Perl can be built to use the SOCKS proxy protocol library.  To do so,
3501 Configure must be run with -Dusesocks.  If you use SOCKS you also need
3502 to use the PerlIO abstraction layer, this will be implicitly selected.
3503
3504 If this doesn't make any sense to you, just accept the default '$dflt'.
3505 EOM
3506 rp='Build Perl for SOCKS?'
3507 . ./myread
3508 case "$ans" in
3509 y|Y)    val="$define" ;;     
3510 *)      val="$undef" ;;
3511 esac
3512 set usesocks
3513 eval $setvar
3514
3515 case "$usesocks" in
3516 $define|true|[yY]*) useperlio="$define";;
3517 esac
3518
3519 case "$useperlio" in
3520 $define|true|[yY]*|'')  dflt='y';;
3521 *) dflt='n';;
3522 esac
3523 cat <<EOM
3524
3525 Previous version of $package used the standard IO mechanisms as
3526 defined in <stdio.h>.  Versions 5.003_02 and later of $package allow
3527 alternate IO mechanisms via the PerlIO abstraction layer, but the
3528 stdio mechanism is still available if needed.  The abstraction layer
3529 can use AT&T's sfio (if you already have sfio installed) or regular stdio.
3530 Using PerlIO with sfio may cause problems with some extension modules.
3531
3532 If this doesn't make any sense to you, just accept the default '$dflt'.
3533 EOM
3534 rp='Use the PerlIO abstraction layer?'
3535 . ./myread
3536 case "$ans" in
3537 y|Y) 
3538         val="$define"
3539         ;;
3540 *)      
3541         echo "Ok, doing things the stdio way."
3542         val="$undef"
3543         ;;
3544 esac
3545 set useperlio
3546 eval $setvar 
3547
3548 case "$usesocks" in
3549 $define|true|[yY]*)
3550         case "$useperlio" in
3551         $define|true|[yY]*) ;;
3552         *)      cat >&4 <<EOM
3553
3554 You are using the SOCKS proxy protocol library which means that you
3555 should also use the PerlIO layer.  You may be headed for trouble.
3556
3557 EOM
3558                 ;;
3559         esac
3560         ;;
3561 esac
3562
3563         
3564 case "$usethreads" in
3565 $define|true|[yY]*)     dflt='y';;
3566 *)     # Catch case where user specified ithreads or 5005threads but
3567        # forgot -Dusethreads (A.D. 4/2002)
3568        case "$useithreads$use5005threads" in
3569        *$define*)      
3570                 case "$useperlio" in
3571                 "$define")      dflt='y' ;;
3572                 *)              dflt='n' ;;
3573                 esac
3574                 ;;
3575        *)       dflt='n';;
3576        esac
3577        ;;
3578 esac
3579 cat <<EOM
3580
3581 Perl can be built to take advantage of threads on some systems.
3582 To do so, Configure can be run with -Dusethreads.
3583
3584 Note that Perl built with threading support runs slightly slower
3585 and uses more memory than plain Perl. The current implementation
3586 is believed to be stable, but it is fairly new, and so should be
3587 treated with caution.
3588
3589 If this doesn't make any sense to you, just accept the default '$dflt'.
3590 EOM
3591 rp='Build a threading Perl?'
3592 . ./myread
3593 case "$ans" in
3594 y|Y)    val="$define" ;;
3595 *)      val="$undef" ;;
3596 esac
3597 set usethreads
3598 eval $setvar
3599
3600 case "$usethreads" in
3601 $define)
3602         $cat <<EOM
3603
3604 Since release 5.6, Perl has had two different threading implementations,
3605 the newer interpreter-based version (ithreads) with one interpreter per
3606 thread, and the older 5.005 version (5005threads).
3607 The 5005threads version is effectively unmaintained and will probably be
3608 removed in Perl 5.10, so there should be no need to build a Perl using it
3609 unless needed for backwards compatibility with some existing 5.005threads
3610 code.
3611
3612 EOM
3613         : Default to ithreads unless overridden on command line or with
3614         : old config.sh
3615         dflt='y'
3616         case "$use5005threads" in
3617                 $define|true|[yY]*) dflt='n';;
3618         esac
3619         case "$useithreads" in
3620                 $undef|false|[nN]*) dflt='n';;
3621         esac
3622         rp='Use the newer interpreter-based ithreads?'
3623         . ./myread
3624         case "$ans" in
3625         y|Y)    val="$define" ;;
3626         *)      val="$undef" ;;
3627         esac
3628         set useithreads
3629         eval $setvar
3630         : Now set use5005threads to the opposite value.
3631         case "$useithreads" in
3632         $define) val="$undef" ;;
3633         *) val="$define" ;;
3634         esac
3635         set use5005threads
3636         eval $setvar
3637         ;;
3638 *)
3639         useithreads="$undef"
3640         use5005threads="$undef"
3641         ;;
3642 esac
3643
3644 case "$useithreads$use5005threads" in
3645 "$define$define")
3646         $cat >&4 <<EOM
3647
3648 You cannot have both the ithreads and the 5.005 threads enabled
3649 at the same time.  Disabling the 5.005 threads since they are
3650 much less stable than the ithreads.
3651
3652 EOM
3653         use5005threads="$undef"
3654         ;;
3655 esac
3656
3657 if test X"$usethreads" = "X$define" -a "X$useperlio" = "Xundef"; then
3658         cat >&4 <<EOF
3659 ***
3660 *** To build with ithreads you must also use the PerlIO layer.
3661 *** Cannot continue, aborting.
3662 ***
3663 EOF
3664         exit 1
3665 fi
3666
3667 case "$d_oldpthreads" in
3668 '')     : Configure tests would be welcome here.  For now, assume undef.
3669         val="$undef" ;;
3670 *)      val="$d_oldpthreads" ;;
3671 esac
3672 set d_oldpthreads
3673 eval $setvar
3674
3675
3676 case "$usethreads" in
3677 "$define"|true|[yY]*)
3678 : Look for a hint-file generated 'call-back-unit'.  If the
3679 : user has specified that a threading perl is to be built,
3680 : we may need to set or change some other defaults.
3681         if $test -f usethreads.cbu; then
3682                 echo "Your platform has some specific hints for threaded builds, using them..."
3683                 . ./usethreads.cbu
3684         else
3685                 $cat <<EOM
3686 (Your platform doesn't have any specific hints for threaded builds.
3687  Assuming POSIX threads, then.)
3688 EOM
3689         fi
3690         ;;
3691 esac
3692
3693 cat <<EOM
3694
3695 Perl can be built so that multiple Perl interpreters can coexist
3696 within the same Perl executable.
3697 EOM
3698
3699 case "$useithreads" in
3700 $define)
3701         cat <<EOM
3702 This multiple interpreter support is required for interpreter-based threads.
3703 EOM
3704         val="$define"
3705         ;;
3706 *)      case "$usemultiplicity" in
3707         $define|true|[yY]*)     dflt='y';;
3708         *) dflt='n';;
3709         esac
3710         echo " "
3711         echo "If this doesn't make any sense to you, just accept the default '$dflt'."
3712         rp='Build Perl for multiplicity?'
3713         . ./myread
3714         case "$ans" in
3715         y|Y)    val="$define" ;;
3716         *)      val="$undef" ;;
3717         esac
3718         ;;
3719 esac
3720 set usemultiplicity
3721 eval $setvar
3722
3723
3724 case "$usemorebits" in
3725 "$define"|true|[yY]*)
3726         use64bitint="$define"
3727         uselongdouble="$define"
3728         usemorebits="$define"
3729         ;;
3730 *)      usemorebits="$undef"
3731         ;;
3732 esac
3733
3734 : make some quick guesses about what we are up against
3735 echo " "
3736 $echo $n "Hmm...  $c"
3737 echo exit 1 >bsd
3738 echo exit 1 >usg
3739 echo exit 1 >v7
3740 echo exit 1 >osf1
3741 echo exit 1 >eunice
3742 echo exit 1 >xenix
3743 echo exit 1 >venix
3744 echo exit 1 >os2
3745 d_bsd="$undef"
3746 $cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
3747 if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
3748 then
3749         echo "Looks kind of like an OSF/1 system, but we'll see..."
3750         echo exit 0 >osf1
3751 elif test `echo abc | $tr a-z A-Z` = Abc ; then
3752         xxx=`./loc addbib blurfl $pth`
3753         if $test -f $xxx; then
3754         echo "Looks kind of like a USG system with BSD features, but we'll see..."
3755                 echo exit 0 >bsd
3756                 echo exit 0 >usg
3757         else
3758                 if $contains SIGTSTP foo >/dev/null 2>&1 ; then
3759                         echo "Looks kind of like an extended USG system, but we'll see..."
3760                 else
3761                         echo "Looks kind of like a USG system, but we'll see..."
3762                 fi
3763                 echo exit 0 >usg
3764         fi
3765 elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
3766         echo "Looks kind of like a BSD system, but we'll see..."
3767         d_bsd="$define"
3768         echo exit 0 >bsd
3769 else
3770         echo "Looks kind of like a Version 7 system, but we'll see..."
3771         echo exit 0 >v7
3772 fi
3773 case "$eunicefix" in
3774 *unixtovms*)
3775         $cat <<'EOI'
3776 There is, however, a strange, musty smell in the air that reminds me of
3777 something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
3778 EOI
3779         echo exit 0 >eunice
3780         d_eunice="$define"
3781 : it so happens the Eunice I know will not run shell scripts in Unix format
3782         ;;
3783 *)
3784         echo " "
3785         echo "Congratulations.  You aren't running Eunice."
3786         d_eunice="$undef"
3787         ;;
3788 esac
3789 : Detect OS2.  The p_ variable is set above in the Head.U unit.
3790 : Note that this also -- wrongly -- detects e.g. dos-djgpp, which also uses
3791 : semicolon as a patch separator
3792 case "$p_" in
3793 :) ;;
3794 *)
3795         $cat <<'EOI'
3796 I have the feeling something is not exactly right, however...don't tell me...
3797 lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
3798 (Or you may be running DOS with DJGPP.)
3799 EOI
3800         echo exit 0 >os2
3801         ;;
3802 esac
3803 if test -f /xenix; then
3804         echo "Actually, this looks more like a XENIX system..."
3805         echo exit 0 >xenix
3806         d_xenix="$define"
3807 else
3808         echo " "
3809         echo "It's not Xenix..."
3810         d_xenix="$undef"
3811 fi
3812 chmod +x xenix
3813 $eunicefix xenix
3814 if test -f /venix; then
3815         echo "Actually, this looks more like a VENIX system..."
3816         echo exit 0 >venix
3817 else
3818         echo " "
3819         if ./xenix; then
3820                 : null
3821         else
3822                 echo "Nor is it Venix..."
3823         fi
3824 fi
3825 chmod +x bsd usg v7 osf1 eunice xenix venix os2
3826 $eunicefix bsd usg v7 osf1 eunice xenix venix os2
3827 $rm -f foo
3828
3829 case "$cc" in
3830 '') dflt=cc;;
3831 *) dflt="$cc";;
3832 esac
3833 rp="Use which C compiler?"
3834 . ./myread
3835 cc="$ans"
3836
3837 : See if they have not cc but they do have gcc
3838 . ./trygcc
3839 : Look for a hint-file generated 'call-back-unit'.  Now that the
3840 : user has specified the compiler, we may need to set or change some
3841 : other defaults.
3842 if $test -f cc.cbu; then
3843     . ./cc.cbu
3844 fi
3845 . ./checkcc
3846
3847 echo " "
3848 echo "Checking for GNU cc in disguise and/or its version number..." >&4
3849 $cat >try.c <<EOM
3850 #include <stdio.h>
3851 int main() {
3852 #ifdef __GNUC__
3853 #ifdef __VERSION__
3854         printf("%s\n", __VERSION__);
3855 #else
3856         printf("%s\n", "1");
3857 #endif
3858 #endif
3859         return(0);
3860 }
3861 EOM
3862 if $cc -o try $ccflags $ldflags try.c; then
3863         gccversion=`$run ./try`
3864         case "$gccversion" in
3865         '') echo "You are not using GNU cc." ;;
3866         *)  echo "You are using GNU cc $gccversion."
3867             ccname=gcc
3868             ;;
3869         esac
3870 else
3871         echo " "
3872         echo "*** WHOA THERE!!! ***" >&4
3873         echo "    Your C compiler \"$cc\" doesn't seem to be working!" >&4
3874         case "$knowitall" in
3875         '')
3876         echo "    You'd better start hunting for one and let me know about it." >&4
3877                 exit 1
3878                 ;;
3879         esac
3880 fi
3881 $rm -f try try.*
3882 case "$gccversion" in
3883 1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
3884 esac
3885 case "$gccversion" in
3886 '') gccosandvers='' ;;
3887 *) gccshortvers=`echo "$gccversion"|sed 's/ .*//'`
3888    gccosandvers=`$cc -v 2>&1|grep '/specs$'|sed "s!.*/[^-/]*-[^-/]*-\([^-/]*\)/$gccshortvers/specs!\1!"`
3889    gccshortvers=''
3890    case "$gccosandvers" in
3891    $osname) gccosandvers='' ;; # linux gccs seem to have no linux osvers, grr
3892    $osname$osvers) ;; # looking good
3893    $osname*) cat <<EOM >&4
3894
3895 *** WHOA THERE!!! ***
3896
3897     Your gcc has not been compiled for the exact release of
3898     your operating system ($gccosandvers versus $osname$osvers).
3899
3900     In general it is a good idea to keep gcc synchronized with
3901     the operating system because otherwise serious problems
3902     may ensue when trying to compile software, like Perl.
3903
3904     I'm trying to be optimistic here, though, and will continue.
3905     If later during the configuration and build icky compilation
3906     problems appear (headerfile conflicts being the most common
3907     manifestation), I suggest reinstalling the gcc to match
3908     your operating system release.
3909
3910 EOM
3911       ;;
3912    *) gccosandvers='' ;; # failed to parse, better be silent
3913    esac
3914    ;;
3915 esac
3916 case "$ccname" in
3917 '') ccname="$cc" ;;
3918 esac
3919
3920 # gcc 3.* complain about adding -Idirectories that they already know about,
3921 # so we will take those off from locincpth.
3922 case "$gccversion" in
3923 3*)
3924     echo "main(){}">try.c
3925     for incdir in $locincpth; do
3926        warn=`$cc $ccflags -I$incdir -c try.c 2>&1 | \
3927              grep '^c[cp]p*[01]: warning: changing search order '`
3928        if test "X$warn" != X; then
3929            locincpth=`echo " $locincpth " | sed "s! $incdir ! !"`
3930        fi
3931     done
3932     $rm -f try try.*
3933 esac
3934
3935 : decide how portable to be.  Allow command line overrides.
3936 case "$d_portable" in
3937 "$undef") ;;
3938 *)      d_portable="$define" ;;
3939 esac
3940
3941 : set up shell script to do ~ expansion
3942 cat >filexp <<EOSS
3943 $startsh
3944 : expand filename
3945 case "\$1" in
3946  ~/*|~)
3947         echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
3948         ;;
3949  ~*)
3950         if $test -f /bin/csh; then
3951                 /bin/csh -f -c "glob \$1"
3952                 failed=\$?
3953                 echo ""
3954                 exit \$failed
3955         else
3956                 name=\`$expr x\$1 : '..\([^/]*\)'\`
3957                 dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
3958                 if $test ! -d "\$dir"; then
3959                         me=\`basename \$0\`
3960                         echo "\$me: can't locate home directory for: \$name" >&2
3961                         exit 1
3962                 fi
3963                 case "\$1" in
3964                 */*)
3965                         echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
3966                         ;;
3967                 *)
3968                         echo \$dir
3969                         ;;
3970                 esac
3971         fi
3972         ;;
3973 *)
3974         echo \$1
3975         ;;
3976 esac
3977 EOSS
3978 chmod +x filexp
3979 $eunicefix filexp
3980
3981 : now set up to get a file name
3982 cat <<EOS >getfile
3983 $startsh
3984 EOS
3985 cat <<'EOSC' >>getfile
3986 tilde=''
3987 fullpath=''
3988 already=''
3989 skip=''
3990 none_ok=''
3991 exp_file=''
3992 nopath_ok=''
3993 orig_rp="$rp"
3994 orig_dflt="$dflt"
3995 case "$gfpth" in
3996 '') gfpth='.' ;;
3997 esac
3998
3999 case "$fn" in
4000 *\(*)
4001         : getfile will accept an answer from the comma-separated list
4002         : enclosed in parentheses even if it does not meet other criteria.
4003         expr "$fn" : '.*(\(.*\)).*' | $tr ',' $trnl >getfile.ok
4004         fn=`echo $fn | sed 's/(.*)//'`
4005         ;;
4006 esac
4007
4008 case "$fn" in
4009 *:*)
4010         loc_file=`expr $fn : '.*:\(.*\)'`
4011         fn=`expr $fn : '\(.*\):.*'`
4012         ;;
4013 esac
4014
4015 case "$fn" in
4016 *~*) tilde=true;;
4017 esac
4018 case "$fn" in
4019 */*) fullpath=true;;
4020 esac
4021 case "$fn" in
4022 *+*) skip=true;;
4023 esac
4024 case "$fn" in
4025 *n*) none_ok=true;;
4026 esac
4027 case "$fn" in
4028 *e*) exp_file=true;;
4029 esac
4030 case "$fn" in
4031 *p*) nopath_ok=true;;
4032 esac
4033
4034 case "$fn" in
4035 *f*) type='File';;
4036 *d*) type='Directory';;
4037 *l*) type='Locate';;
4038 esac
4039
4040 what="$type"
4041 case "$what" in
4042 Locate) what='File';;
4043 esac
4044
4045 case "$exp_file" in
4046 '')
4047         case "$d_portable" in
4048         "$define") ;;
4049         *) exp_file=true;;
4050         esac
4051         ;;
4052 esac
4053
4054 cd ..
4055 while test "$type"; do
4056         redo=''
4057         rp="$orig_rp"
4058         dflt="$orig_dflt"
4059         case "$tilde" in
4060         true) rp="$rp (~name ok)";;
4061         esac
4062         . UU/myread
4063         if test -f UU/getfile.ok && \
4064                 $contains "^$ans\$" UU/getfile.ok >/dev/null 2>&1
4065         then
4066                 value="$ans"
4067                 ansexp="$ans"
4068                 break
4069         fi
4070         case "$ans" in
4071         none)
4072                 value=''
4073                 ansexp=''
4074                 case "$none_ok" in
4075                 true) type='';;
4076                 esac
4077                 ;;
4078         *)
4079                 case "$tilde" in
4080                 '') value="$ans"
4081                         ansexp="$ans";;
4082                 *)
4083                         value=`UU/filexp $ans`
4084                         case $? in
4085                         0)
4086                                 if test "$ans" != "$value"; then
4087                                         echo "(That expands to $value on this system.)"
4088                                 fi
4089                                 ;;
4090                         *) value="$ans";;
4091                         esac
4092                         ansexp="$value"
4093                         case "$exp_file" in
4094                         '') value="$ans";;
4095                         esac
4096                         ;;
4097                 esac
4098                 case "$fullpath" in
4099                 true)
4100                         case "$ansexp" in
4101                         /*) value="$ansexp" ;;
4102                         [a-zA-Z]:/*) value="$ansexp" ;;
4103                         *)
4104                                 redo=true
4105                                 case "$already" in
4106                                 true)
4107                                 echo "I shall only accept a full path name, as in /bin/ls." >&4
4108                                 echo "Use a ! shell escape if you wish to check pathnames." >&4
4109                                         ;;
4110                                 *)
4111                                 echo "Please give a full path name, starting with slash." >&4
4112                                         case "$tilde" in
4113                                         true)
4114                                 echo "Note that using ~name is ok provided it expands well." >&4
4115                                                 already=true
4116                                                 ;;
4117                                         esac
4118                                 esac
4119                                 ;;
4120                         esac
4121                         ;;
4122                 esac
4123                 case "$redo" in
4124                 '')
4125                         case "$type" in
4126                         File)
4127                                 for fp in $gfpth; do
4128                                         if test "X$fp" = X.; then
4129                                             pf="$ansexp"
4130                                         else    
4131                                             pf="$fp/$ansexp"
4132                                         fi
4133                                         if test -f "$pf"; then
4134                                                 type=''
4135                                         elif test -r "$pf" || (test -h "$pf") >/dev/null 2>&1
4136                                         then
4137                                                 echo "($value is not a plain file, but that's ok.)"
4138                                                 type=''
4139                                         fi
4140                                         if test X"$type" = X; then
4141                                             value="$pf"
4142                                             break
4143                                         fi
4144                                 done
4145                                 ;;
4146                         Directory)
4147                                 for fp in $gfpth; do
4148                                         if test "X$fp" = X.; then
4149                                             dir="$ans"
4150                                             direxp="$ansexp"
4151                                         else    
4152                                             dir="$fp/$ansexp"
4153                                             direxp="$fp/$ansexp"
4154                                         fi
4155                                         if test -d "$direxp"; then
4156                                                 type=''
4157                                                 value="$dir"
4158                                                 break
4159                                         fi
4160                                 done
4161                                 ;;
4162                         Locate)
4163                                 if test -d "$ansexp"; then
4164                                         echo "(Looking for $loc_file in directory $value.)"
4165                                         value="$value/$loc_file"
4166                                         ansexp="$ansexp/$loc_file"
4167                                 fi
4168                                 if test -f "$ansexp"; then
4169                                         type=''
4170                                 fi
4171                                 case "$nopath_ok" in
4172                                 true)   case "$value" in
4173                                         */*) ;;
4174                                         *)      echo "Assuming $value will be in people's path."
4175                                                 type=''
4176                                                 ;;
4177                                         esac
4178                                         ;;
4179                                 esac
4180                                 ;;
4181                         esac
4182
4183                         case "$skip" in
4184                         true) type='';
4185                         esac
4186
4187                         case "$type" in
4188                         '') ;;
4189                         *)
4190                                 if test "$fastread" = yes; then
4191                                         dflt=y
4192                                 else
4193                                         dflt=n
4194                                 fi
4195                                 rp="$what $value doesn't exist.  Use that name anyway?"
4196                                 . UU/myread
4197                                 dflt=''
4198                                 case "$ans" in
4199                                 y*) type='';;
4200                                 *) echo " ";;
4201                                 esac
4202                                 ;;
4203                         esac
4204                         ;;
4205                 esac
4206                 ;;
4207         esac
4208 done
4209 cd UU
4210 ans="$value"
4211 rp="$orig_rp"
4212 dflt="$orig_dflt"
4213 rm -f getfile.ok
4214 test "X$gfpthkeep" != Xy && gfpth=""
4215 EOSC
4216
4217 : What should the include directory be ?
4218 echo " "
4219 $echo $n "Hmm...  $c"
4220 dflt='/usr/include'
4221 incpath=''
4222 mips_type=''
4223 if $test -f /bin/mips && /bin/mips; then
4224         echo "Looks like a MIPS system..."
4225         $cat >usr.c <<'EOCP'
4226 #ifdef SYSTYPE_BSD43
4227 /bsd43
4228 #endif
4229 EOCP
4230         if cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
4231                 dflt='/bsd43/usr/include'
4232                 incpath='/bsd43'
4233                 mips_type='BSD 4.3'
4234         else
4235                 mips_type='System V'
4236         fi
4237         $rm -f usr.c usr.out
4238         echo "and you're compiling with the $mips_type compiler and libraries."
4239         xxx_prompt=y
4240         echo "exit 0" >mips
4241 else
4242         echo "Doesn't look like a MIPS system."
4243         xxx_prompt=n
4244         echo "exit 1" >mips
4245 fi
4246 chmod +x mips
4247 $eunicefix mips
4248 case "$usrinc" in
4249 '') ;;
4250 *) dflt="$usrinc";;
4251 esac
4252 case "$xxx_prompt" in
4253 y)      fn=d/
4254         echo " "
4255         rp='Where are the include files you want to use?'
4256         . ./getfile
4257         usrinc="$ans"
4258         ;;
4259 *)      usrinc="$dflt"
4260         ;;
4261 esac
4262
4263 : see how we invoke the C preprocessor
4264 echo " "
4265 echo "Now, how can we feed standard input to your C preprocessor..." >&4
4266 cat <<'EOT' >testcpp.c
4267 #define ABC abc
4268 #define XYZ xyz
4269 ABC.XYZ
4270 EOT
4271 cd ..
4272 if test ! -f cppstdin; then
4273         if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
4274                 # AIX cc -E doesn't show the absolute headerfile
4275                 # locations but we'll cheat by using the -M flag.
4276                 echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
4277         else
4278                 echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
4279         fi
4280 else
4281         echo "Keeping your $hint cppstdin wrapper."
4282 fi
4283 chmod 755 cppstdin
4284 wrapper=`pwd`/cppstdin
4285 ok='false'
4286 cd UU
4287
4288 if $test "X$cppstdin" != "X" && \
4289         $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
4290         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
4291 then
4292         echo "You used to use $cppstdin $cppminus so we'll use that again."
4293         case "$cpprun" in
4294         '') echo "But let's see if we can live without a wrapper..." ;;
4295         *)
4296                 if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
4297                         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
4298                 then
4299                         echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
4300                         ok='true'
4301                 else
4302                         echo "(However, $cpprun $cpplast does not work, let's see...)"
4303                 fi
4304                 ;;
4305         esac
4306 else
4307         case "$cppstdin" in
4308         '') ;;
4309         *)
4310                 echo "Good old $cppstdin $cppminus does not seem to be of any help..."
4311                 ;;
4312         esac
4313 fi
4314
4315 if $ok; then
4316         : nothing
4317 elif echo 'Maybe "'"$cc"' -E" will work...'; \
4318         $cc -E <testcpp.c >testcpp.out 2>&1; \
4319         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4320         echo "Yup, it does."
4321         x_cpp="$cc -E"
4322         x_minus='';
4323 elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
4324         $cc -E - <testcpp.c >testcpp.out 2>&1; \
4325         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4326         echo "Yup, it does."
4327         x_cpp="$cc -E"
4328         x_minus='-';
4329 elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
4330         $cc -P <testcpp.c >testcpp.out 2>&1; \
4331         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4332         echo "Yipee, that works!"
4333         x_cpp="$cc -P"
4334         x_minus='';
4335 elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
4336         $cc -P - <testcpp.c >testcpp.out 2>&1; \
4337         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4338         echo "At long last!"
4339         x_cpp="$cc -P"
4340         x_minus='-';
4341 elif echo 'No such luck, maybe "'$cpp'" will work...'; \
4342         $cpp <testcpp.c >testcpp.out 2>&1; \
4343         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4344         echo "It works!"
4345         x_cpp="$cpp"
4346         x_minus='';
4347 elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
4348         $cpp - <testcpp.c >testcpp.out 2>&1; \
4349         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4350         echo "Hooray, it works!  I was beginning to wonder."
4351         x_cpp="$cpp"
4352         x_minus='-';
4353 elif echo 'Uh-uh.  Time to get fancy.  Trying a wrapper...'; \
4354         $wrapper <testcpp.c >testcpp.out 2>&1; \
4355         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4356         x_cpp="$wrapper"
4357         x_minus=''
4358         echo "Eureka!"
4359 else
4360         dflt=''
4361         rp="No dice.  I can't find a C preprocessor.  Name one:"
4362         . ./myread
4363         x_cpp="$ans"
4364         x_minus=''
4365         $x_cpp <testcpp.c >testcpp.out 2>&1
4366         if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4367                 echo "OK, that will do." >&4
4368         else
4369 echo "Sorry, I can't get that to work.  Go find one and rerun Configure." >&4
4370                 exit 1
4371         fi
4372 fi
4373
4374 case "$ok" in
4375 false)
4376         cppstdin="$x_cpp"
4377         cppminus="$x_minus"
4378         cpprun="$x_cpp"
4379         cpplast="$x_minus"
4380         set X $x_cpp
4381         shift
4382         case "$1" in
4383         "$cpp")
4384                 echo "Perhaps can we force $cc -E using a wrapper..."
4385                 if $wrapper <testcpp.c >testcpp.out 2>&1; \
4386                         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
4387                 then
4388                         echo "Yup, we can."
4389                         cppstdin="$wrapper"
4390                         cppminus='';
4391                 else
4392                         echo "Nope, we'll have to live without it..."
4393                 fi
4394                 ;;
4395         esac
4396         case "$cpprun" in
4397         "$wrapper")
4398                 cpprun=''
4399                 cpplast=''
4400                 ;;
4401         esac
4402         ;;
4403 esac
4404
4405 case "$cppstdin" in
4406 "$wrapper"|'cppstdin') ;;
4407 *) $rm -f $wrapper;;
4408 esac
4409 $rm -f testcpp.c testcpp.out
4410
4411 : Set private lib path
4412 case "$plibpth" in
4413 '') if ./mips; then
4414                 plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
4415         fi;;
4416 esac
4417 case "$libpth" in
4418 ' ') dlist='';;
4419 '') dlist="$loclibpth $plibpth $glibpth";;
4420 *) dlist="$libpth";;
4421 esac
4422
4423 : Now check and see which directories actually exist, avoiding duplicates
4424 libpth=''
4425 for xxx in $dlist
4426 do
4427     if $test -d $xxx; then
4428                 case " $libpth " in
4429                 *" $xxx "*) ;;
4430                 *) libpth="$libpth $xxx";;
4431                 esac
4432     fi
4433 done
4434 $cat <<'EOM'
4435
4436 Some systems have incompatible or broken versions of libraries.  Among
4437 the directories listed in the question below, please remove any you
4438 know not to be holding relevant libraries, and add any that are needed.
4439 Say "none" for none.
4440
4441 EOM
4442 case "$libpth" in
4443 '') dflt='none';;
4444 *)
4445         set X $libpth
4446         shift
4447         dflt=${1+"$@"}
4448         ;;
4449 esac
4450 rp="Directories to use for library searches?"
4451 . ./myread
4452 case "$ans" in
4453 none) libpth=' ';;
4454 *) libpth="$ans";;
4455 esac
4456
4457 : compute shared library extension
4458 case "$so" in
4459 '')
4460         if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
4461                 dflt='sl'
4462         else
4463                 dflt='so'
4464         fi
4465         ;;
4466 *) dflt="$so";;
4467 esac
4468 $cat <<EOM
4469
4470 On some systems, shared libraries may be available.  Answer 'none' if
4471 you want to suppress searching of shared libraries for the remainder
4472 of this configuration.
4473
4474 EOM
4475 rp='What is the file extension used for shared libraries?'
4476 . ./myread
4477 so="$ans"
4478
4479 : Define several unixisms.
4480 : Hints files or command line option can be used to override them.
4481 : The convoluted testing is in case hints files set either the old
4482 : or the new name.
4483 case "$_exe" in
4484 '')     case "$exe_ext" in
4485         '')     ;;
4486         *)      _exe="$exe_ext" ;;
4487         esac
4488         ;;
4489 esac
4490 case "$_a" in
4491 '')     case "$lib_ext" in
4492     '') _a='.a';;
4493         *)      _a="$lib_ext" ;;
4494         esac
4495         ;;
4496 esac
4497 case "$_o" in
4498 '') case "$obj_ext" in
4499         '')     _o='.o';;
4500         *)      _o="$obj_ext";;
4501         esac
4502         ;;
4503 esac
4504 case "$p_" in
4505 '') case "$path_sep" in
4506         '')     p_=':';;
4507         *)      p_="$path_sep";;
4508         esac
4509         ;;
4510 esac
4511 exe_ext=$_exe
4512 lib_ext=$_a
4513 obj_ext=$_o
4514 path_sep=$p_
4515
4516 : Which makefile gets called first.  This is used by make depend.
4517 case "$firstmakefile" in
4518 '') firstmakefile='makefile';;
4519 esac
4520
4521 case "$ccflags" in
4522 *-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;;
4523 esac
4524
4525 case "$uselongdouble" in
4526 $define|true|[yY]*)     dflt='y';;
4527 *) dflt='n';;
4528 esac
4529 cat <<EOM
4530
4531 Perl can be built to take advantage of long doubles which
4532 (if available) may give more accuracy and range for floating point numbers.
4533
4534 If this doesn't make any sense to you, just accept the default '$dflt'.
4535 EOM
4536 rp='Try to use long doubles if available?'
4537 . ./myread
4538 case "$ans" in
4539 y|Y)    val="$define"   ;;
4540 *)      val="$undef"    ;;
4541 esac
4542 set uselongdouble
4543 eval $setvar
4544
4545 case "$uselongdouble" in
4546 true|[yY]*) uselongdouble="$define" ;;
4547 esac
4548
4549 case "$uselongdouble" in
4550 $define)
4551 : Look for a hint-file generated 'call-back-unit'.  If the
4552 : user has specified that long doubles should be used,
4553 : we may need to set or change some other defaults.
4554         if $test -f uselongdouble.cbu; then
4555                 echo "Your platform has some specific hints for long doubles, using them..."
4556                 . ./uselongdouble.cbu
4557         else
4558                 $cat <<EOM
4559 (Your platform doesn't have any specific hints for long doubles.)
4560 EOM
4561         fi
4562         ;;
4563 esac
4564
4565 : Looking for optional libraries
4566 echo " "
4567 echo "Checking for optional libraries..." >&4
4568 case "$libs" in
4569 ' '|'') dflt='';;
4570 *) dflt="$libs";;
4571 esac
4572 case "$libswanted" in
4573 '') libswanted='c_s';;
4574 esac
4575 case "$usesocks" in
4576 "$define") libswanted="$libswanted socks5 socks5_sh" ;;
4577 esac
4578 libsfound=''
4579 libsfiles=''
4580 libsdirs=''
4581 libspath=''
4582 for thisdir in $libpth $xlibpth; do
4583   test -d $thisdir && libspath="$libspath $thisdir"
4584 done
4585 for thislib in $libswanted; do
4586         for thisdir in $libspath; do
4587             xxx=''
4588             if $test ! -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
4589                 xxx=`ls $thisdir/lib$thislib.$so.[0-9] 2>/dev/null|sed -n '$p'`
4590                 $test -f "$xxx" && eval $libscheck
4591                 $test -f "$xxx" && libstyle=shared
4592             fi
4593             if test ! -f "$xxx"; then
4594                 xxx=$thisdir/lib$thislib.$so
4595                 $test -f "$xxx" && eval $libscheck
4596                 $test -f "$xxx" && libstyle=shared
4597             fi  
4598             if test ! -f "$xxx"; then
4599                 xxx=$thisdir/lib$thislib$_a
4600                 $test -f "$xxx" && eval $libscheck
4601                 $test -f "$xxx" && libstyle=static
4602             fi
4603             if test ! -f "$xxx"; then
4604                 xxx=$thisdir/$thislib$_a
4605                 $test -f "$xxx" && eval $libscheck
4606                 $test -f "$xxx" && libstyle=static
4607             fi
4608             if test ! -f "$xxx"; then
4609                 xxx=$thisdir/lib${thislib}_s$_a
4610                 $test -f "$xxx" && eval $libscheck
4611                 $test -f "$xxx" && libstyle=static
4612                 $test -f "$xxx" && thislib=${thislib}_s
4613             fi
4614             if test ! -f "$xxx"; then
4615                 xxx=$thisdir/Slib$thislib$_a
4616                 $test -f "$xxx" && eval $libscheck
4617                 $test -f "$xxx" && libstyle=static
4618             fi
4619             if $test -f "$xxx"; then
4620                 case "$libstyle" in
4621                 shared) echo "Found -l$thislib (shared)." ;;
4622                 static) echo "Found -l$thislib." ;;
4623                 *)      echo "Found -l$thislib ($libstyle)." ;;
4624                 esac
4625                 case " $dflt " in
4626                 *"-l$thislib "*);;
4627                 *) dflt="$dflt -l$thislib"
4628                    libsfound="$libsfound $xxx"
4629                    yyy=`basename $xxx`
4630                    libsfiles="$libsfiles $yyy"
4631                    yyy=`echo $xxx|$sed -e "s%/$yyy\\$%%"`
4632                    case " $libsdirs " in
4633                    *" $yyy "*) ;;
4634                    *) libsdirs="$libsdirs $yyy" ;;
4635                    esac
4636                    ;;
4637                 esac
4638                 break
4639             fi  
4640         done
4641         if $test ! -f "$xxx"; then
4642             echo "No -l$thislib."
4643         fi
4644 done
4645 set X $dflt
4646 shift
4647 dflt="$*"
4648 case "$libs" in
4649 '') dflt="$dflt";;
4650 *) dflt="$libs";;
4651 esac
4652 case "$dflt" in
4653 ' '|'') dflt='none';;
4654 esac
4655
4656 $cat <<EOM
4657
4658 In order to compile $package on your machine, a number of libraries
4659 are usually needed.  Include any other special libraries here as well.
4660 Say "none" for none.  The default list is almost always right.
4661 EOM
4662
4663 echo " "
4664 rp="What libraries to use?"
4665 . ./myread
4666 case "$ans" in
4667 none) libs=' ';;
4668 *) libs="$ans";;
4669 esac
4670
4671 : determine optimization, if desired, or use for debug flag also
4672 case "$optimize" in
4673 ' '|$undef) dflt='none';;
4674 '') dflt='-O';;
4675 *) dflt="$optimize";;
4676 esac
4677 $cat <<EOH
4678
4679 By default, $package compiles with the -O flag to use the optimizer.
4680 Alternately, you might want to use the symbolic debugger, which uses
4681 the -g flag (on traditional Unix systems).  Either flag can be
4682 specified here.  To use neither flag, specify the word "none".
4683
4684 EOH
4685 rp="What optimizer/debugger flag should be used?"
4686 . ./myread
4687 optimize="$ans"
4688 case "$optimize" in
4689 'none') optimize=" ";;
4690 esac
4691
4692 dflt=''
4693 : We will not override a previous value, but we might want to
4694 : augment a hint file
4695 case "$hint" in
4696 default|recommended)
4697         case "$gccversion" in
4698         1*) dflt='-fpcc-struct-return' ;;
4699         esac
4700         case "$optimize" in
4701         *-g*) dflt="$dflt -DDEBUGGING";;
4702         esac
4703         case "$gccversion" in
4704         2*) if test -d /etc/conf/kconfig.d &&
4705                         $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
4706                 then
4707                         dflt="$dflt -posix"
4708                 fi
4709                 ;;
4710         esac
4711         case "$gccversion" in
4712         1*) ;;
4713         2.[0-8]*) ;;
4714         ?*)     echo " "
4715                 echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
4716                 echo 'int main(void) { return 0; }' > gcctest.c
4717                 if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
4718                         echo "Yes, it does." 2>&1
4719                         case "$ccflags" in
4720                         *strict-aliasing*) 
4721                                 echo "Leaving current flags $ccflags alone." 2>&1
4722                                 ;;
4723                         *) dflt="$dflt -fno-strict-aliasing" ;;
4724                         esac
4725                 else
4726                         echo "Nope, it doesn't, but that's ok." 2>&1
4727                 fi
4728                 ;;
4729         esac
4730         ;;
4731 esac
4732
4733 case "$mips_type" in
4734 *BSD*|'') inclwanted="$locincpth $usrinc";;
4735 *) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
4736 esac
4737 for thisincl in $inclwanted; do
4738         if $test -d $thisincl; then
4739                 if $test x$thisincl != x$usrinc; then
4740                         case "$dflt" in
4741                         *" -I$thisincl "*);;
4742                         *) dflt="$dflt -I$thisincl ";;
4743                         esac
4744                 fi
4745         fi
4746 done
4747
4748 inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
4749         xxx=true;
4750 elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
4751         xxx=true;
4752 else
4753         xxx=false;
4754 fi;
4755 if $xxx; then
4756         case "$dflt" in
4757         *$2*);;
4758         *) dflt="$dflt -D$2";;
4759         esac;
4760 fi'
4761
4762 set signal.h LANGUAGE_C; eval $inctest
4763
4764 case "$usesocks" in
4765 $define)
4766         ccflags="$ccflags -DSOCKS"
4767         ;;
4768 esac
4769
4770 case "$hint" in
4771 default|recommended) dflt="$ccflags $dflt" ;;
4772 *) dflt="$ccflags";;
4773 esac
4774
4775 case "$dflt" in
4776 ''|' ') dflt=none;;
4777 esac
4778
4779 $cat <<EOH
4780
4781 Your C compiler may want other flags.  For this question you should include
4782 -I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
4783 but you should NOT include libraries or ld flags like -lwhatever.  If you
4784 want $package to honor its debug switch, you should include -DDEBUGGING here.
4785 Your C compiler might also need additional flags, such as -D_POSIX_SOURCE.
4786
4787 To use no flags, specify the word "none".
4788
4789 EOH
4790 set X $dflt
4791 shift
4792 dflt=${1+"$@"}
4793 rp="Any additional cc flags?"
4794 . ./myread
4795 case "$ans" in
4796 none) ccflags='';;
4797 *) ccflags="$ans";;
4798 esac
4799
4800 : the following weeds options from ccflags that are of no interest to cpp
4801 case "$cppflags" in
4802 '') cppflags="$ccflags" ;;
4803 *)  cppflags="$cppflags $ccflags" ;;
4804 esac
4805 case "$gccversion" in
4806 1*) cppflags="$cppflags -D__GNUC__"