Re: [PATCH] Stop DTrace config option looping in non-interactive mode
[perl.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 package (which contains metaconfig) is available via SVN:
17 #     svn co https://svn.sourceforge.net/svnroot/dist/trunk/dist
18 #
19 #
20 # Though this script was generated by metaconfig, it is OK to send
21 # patches against it. It's up to the Configure pumpkin to backport
22 # the patch to the metaunits if it is accepted.
23 # See Porting/pumpkin.pod for more information on metaconfig.
24 #
25
26 # $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
27 #
28 # Generated on Wed Jan  9 22:02:14 CET 2008 [metaconfig 3.0 PL70]
29 # (with additional metaconfig patches by perlbug@perl.org)
30
31 cat >c1$$ <<EOF
32 ARGGGHHHH!!!!!
33
34 SCO csh still thinks true is false.  Write to SCO today and tell them that next
35 year Configure ought to "rm /bin/csh" unless they fix their blasted shell. :-)
36
37 (Actually, Configure ought to just patch csh in place.  Hmm.  Hmmmmm.  All
38 we'd have to do is go in and swap the && and || tokens, wherever they are.)
39
40 [End of diatribe. We now return you to your regularly scheduled programming...]
41 EOF
42 cat >c2$$ <<EOF
43
44 OOPS!  You naughty creature!  You didn't run Configure with sh!
45 I will attempt to remedy the situation by running sh for you...
46 EOF
47
48 true || cat c1$$ c2$$
49 true || exec sh $0 $argv:q
50
51 (exit $?0) || cat c2$$
52 (exit $?0) || exec sh $0 $argv:q
53 rm -f c1$$ c2$$
54
55 if test -f /dev/cputype -a -f /dev/drivers -a -f /dev/osversion; then
56         cat >&4 <<EOF
57 ***
58 *** I'm sorry but this system looks like Plan 9 and Plan 9 doesn't do
59 *** Configure that well.  (Plan 9 is close to UNIX but not close enough.)
60 *** Please read the README.plan9 for further instructions.
61 *** Cannot continue, aborting.
62 ***
63 EOF
64         exit 1
65 fi
66
67 if test ! -c /dev/null ; then
68         cat >&4 <<EOF
69 ***
70 *** I'm sorry, but /dev/null appears to be a file rather than a device.
71 *** Please consult your operating sytem's notes for making a device
72 *** in /dev.
73 *** Cannot continue, aborting.
74 ***
75 EOF
76         exit 1
77 fi
78
79 : compute my invocation name
80 me=$0
81 case "$0" in
82 */*)
83         me=`echo $0 | sed -e 's!.*/\(.*\)!\1!' 2>/dev/null`
84         test "$me" || me=$0
85         ;;
86 esac
87
88 : Proper separator for the PATH environment variable
89 p_=:
90 : On OS/2 this directory should exist if this is not floppy only system ":-]"
91 if test -d c:/. || ( uname -a | grep -i 'os\(/\|\)2' ) 2>&1 >/dev/null ; then
92         if test -n "$OS2_SHELL"; then
93                 p_=\;
94                 PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
95                 OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
96                 is_os2=yes
97         elif test -n "$DJGPP"; then
98                 case "X${MACHTYPE:-nonesuchmach}" in
99                 *cygwin) ;;
100                 *) p_=\; ;;
101                 esac
102         fi
103 fi
104
105 : Proper PATH setting
106 paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
107 paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
108 paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
109 paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
110 paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
111 paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /opt/ansic/bin /usr/ccs/bin"
112 paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
113 paths="$paths /sbin /usr/sbin /usr/libexec"
114 paths="$paths /system/gnu_library/bin"
115
116 for p in $paths
117 do
118         case "$p_$PATH$p_" in
119         *$p_$p$p_*) ;;
120         *) test -d $p && PATH=$PATH$p_$p ;;
121         esac
122 done
123
124 PATH=.$p_$PATH
125 export PATH
126
127 : shall we be using ksh?
128 inksh=''
129 needksh=''
130 avoidksh=''
131 newsh=/bin/ksh
132 changesh=''
133 if (PATH=.; alias -x) >/dev/null 2>&1; then
134                 inksh=true
135 fi
136 if test -f /hp-ux -a -f /bin/ksh; then
137         needksh='to avoid sh bug in "here document" expansion'
138 fi
139 if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname; then
140         if test X`/usr/bin/uname -v` = X4; then
141                 avoidksh="to avoid AIX 4's /bin/sh"
142                 newsh=/usr/bin/bsh
143         fi
144 fi
145 if test -f /osf_boot -a -f /usr/sbin/setld; then
146         if test X`/usr/bin/uname -s` = XOSF1; then
147                 avoidksh="to avoid Digital UNIX' ksh"
148                 newsh=/bin/sh
149                 unset BIN_SH
150         fi
151 fi
152 case "$inksh/$needksh" in
153 /[a-z]*)
154                 ENV=''
155                 changesh=true
156                 reason="$needksh"
157         ;;
158 esac
159 case "$inksh/$avoidksh" in
160 true/[a-z]*)
161         changesh=true
162         reason="$avoidksh"
163         ;;
164 esac
165 case "$inksh/$needksh-$avoidksh-" in
166 true/--)
167                 cat <<EOM
168 (I see you are using the Korn shell.  Some ksh's blow up on $me,
169 mainly on older exotic systems.  If yours does, try the Bourne shell instead.)
170 EOM
171         ;;
172 esac
173 case "$changesh" in
174 true)
175         export newsh
176         echo "(Feeding myself to $newsh $reason.)"
177         case "$0" in
178         Configure|*/Configure) exec $newsh $0 "$@";;
179         *) exec $newsh Configure "$@";;
180         esac
181         ;;
182 esac
183 test -x "${newsh}" || unset newsh
184
185 : if needed, set CDPATH to a harmless value that is not chatty
186 : avoid bash 2.02 problems with empty CDPATH.
187 case "$CDPATH" in
188 '')     ;;
189 *)      case "$SHELL" in
190         *bash*) CDPATH='.' ;;
191         *) CDPATH='' ;;
192         esac
193         ;;
194 esac
195
196 : Configure runs within the UU subdirectory
197 test -d UU || mkdir UU
198 cd UU && rm -f ./*
199
200 ccname=''
201 ccversion=''
202 ccsymbols=''
203 cppccsymbols=''
204 cppsymbols=''
205 from=''
206 run=''
207 targetarch=''
208 to=''
209 usecrosscompile=''
210 mistrustnm=''
211 perllibs=''
212 dynamic_ext=''
213 extensions=''
214 known_extensions=''
215 nonxs_ext=''
216 static_ext=''
217 useopcode=''
218 useposix=''
219 extras=''
220 d_bsd=''
221 d_eunice=''
222 d_xenix=''
223 eunicefix=''
224 Mcc=''
225 ar=''
226 awk=''
227 bash=''
228 bison=''
229 byacc=''
230 cat=''
231 chgrp=''
232 chmod=''
233 chown=''
234 comm=''
235 compress=''
236 cp=''
237 cpio=''
238 cpp=''
239 csh=''
240 date=''
241 dtrace=''
242 echo=''
243 egrep=''
244 emacs=''
245 expr=''
246 find=''
247 flex=''
248 gmake=''
249 grep=''
250 gzip=''
251 inews=''
252 ksh=''
253 less=''
254 line=''
255 lint=''
256 ln=''
257 lp=''
258 lpr=''
259 ls=''
260 mail=''
261 mailx=''
262 make=''
263 mkdir=''
264 more=''
265 mv=''
266 nm=''
267 nroff=''
268 perl=''
269 pg=''
270 pmake=''
271 pr=''
272 rm=''
273 rmail=''
274 sed=''
275 sendmail=''
276 shar=''
277 sleep=''
278 smail=''
279 sort=''
280 submit=''
281 tail=''
282 tar=''
283 tbl=''
284 tee=''
285 test=''
286 touch=''
287 tr=''
288 troff=''
289 uname=''
290 uniq=''
291 uuname=''
292 vi=''
293 zcat=''
294 zip=''
295 full_ar=''
296 full_sed=''
297 libswanted=''
298 hint=''
299 myuname=''
300 osname=''
301 osvers=''
302 Author=''
303 Date=''
304 Header=''
305 Id=''
306 Locker=''
307 Log=''
308 RCSfile=''
309 Revision=''
310 Source=''
311 State=''
312 _a=''
313 _exe=''
314 _o=''
315 archobjs=''
316 exe_ext=''
317 firstmakefile=''
318 lib_ext=''
319 obj_ext=''
320 path_sep=''
321 rm_try=''
322 afs=''
323 afsroot=''
324 alignbytes=''
325 ansi2knr=''
326 archlib=''
327 archlibexp=''
328 d_archlib=''
329 installarchlib=''
330 archname=''
331 myarchname=''
332 d_atolf=''
333 d_atoll=''
334 baserev=''
335 bin=''
336 binexp=''
337 initialinstalllocation=''
338 installbin=''
339 userelocatableinc=''
340 byteorder=''
341 cc=''
342 ccflags=''
343 cppflags=''
344 ldflags=''
345 lkflags=''
346 locincpth=''
347 optimize=''
348 cf_email=''
349 cf_by=''
350 cf_time=''
351 contains=''
352 cpp_stuff=''
353 cpplast=''
354 cppminus=''
355 cpprun=''
356 cppstdin=''
357 d__fwalk=''
358 d_access=''
359 d_accessx=''
360 d_aintl=''
361 d_alarm=''
362 asctime_r_proto=''
363 d_asctime_r=''
364 d_attribute_format=''
365 d_attribute_malloc=''
366 d_attribute_nonnull=''
367 d_attribute_noreturn=''
368 d_attribute_pure=''
369 d_attribute_unused=''
370 d_attribute_warn_unused_result=''
371 d_printf_format_null=''
372 d_bcmp=''
373 d_bcopy=''
374 d_builtin_choose_expr=''
375 d_builtin_expect=''
376 d_bzero=''
377 d_c99_variadic_macros=''
378 d_casti32=''
379 castflags=''
380 d_castneg=''
381 d_chown=''
382 d_chroot=''
383 d_chsize=''
384 d_class=''
385 d_clearenv=''
386 d_closedir=''
387 d_void_closedir=''
388 d_cmsghdr_s=''
389 d_const=''
390 d_copysignl=''
391 d_cplusplus=''
392 cryptlib=''
393 d_crypt=''
394 crypt_r_proto=''
395 d_crypt_r=''
396 d_csh=''
397 full_csh=''
398 d_ctermid=''
399 ctermid_r_proto=''
400 d_ctermid_r=''
401 ctime_r_proto=''
402 d_ctime_r=''
403 d_cuserid=''
404 d_dbl_dig=''
405 d_dbminitproto=''
406 d_difftime=''
407 d_dir_dd_fd=''
408 d_dirfd=''
409 d_dlerror=''
410 d_dlopen=''
411 d_dlsymun=''
412 d_dosuid=''
413 d_suidsafe=''
414 d_drand48_r=''
415 drand48_r_proto=''
416 d_drand48proto=''
417 d_dup2=''
418 d_eaccess=''
419 d_endgrent=''
420 d_endgrent_r=''
421 endgrent_r_proto=''
422 d_endhent=''
423 d_endhostent_r=''
424 endhostent_r_proto=''
425 d_endnent=''
426 d_endnetent_r=''
427 endnetent_r_proto=''
428 d_endpent=''
429 d_endprotoent_r=''
430 endprotoent_r_proto=''
431 d_endpwent=''
432 d_endpwent_r=''
433 endpwent_r_proto=''
434 d_endsent=''
435 d_endservent_r=''
436 endservent_r_proto=''
437 d_faststdio=''
438 d_fchdir=''
439 d_fchmod=''
440 d_fchown=''
441 d_fcntl=''
442 d_fcntl_can_lock=''
443 d_fd_macros=''
444 d_fd_set=''
445 d_fds_bits=''
446 d_fgetpos=''
447 d_finite=''
448 d_finitel=''
449 d_flexfnam=''
450 d_flock=''
451 d_flockproto=''
452 d_fork=''
453 d_fp_class=''
454 d_fpclass=''
455 d_fpclassify=''
456 d_fpclassl=''
457 d_fpos64_t=''
458 d_frexpl=''
459 d_fs_data_s=''
460 d_fseeko=''
461 d_fsetpos=''
462 d_fstatfs=''
463 d_fsync=''
464 d_ftello=''
465 d_ftime=''
466 d_gettimeod=''
467 d_futimes=''
468 d_Gconvert=''
469 d_getcwd=''
470 d_getespwnam=''
471 d_getfsstat=''
472 d_getgrent=''
473 d_getgrent_r=''
474 getgrent_r_proto=''
475 d_getgrgid_r=''
476 getgrgid_r_proto=''
477 d_getgrnam_r=''
478 getgrnam_r_proto=''
479 d_getgrps=''
480 d_gethbyaddr=''
481 d_gethbyname=''
482 d_gethent=''
483 aphostname=''
484 d_gethname=''
485 d_phostname=''
486 d_uname=''
487 d_gethostbyaddr_r=''
488 gethostbyaddr_r_proto=''
489 d_gethostbyname_r=''
490 gethostbyname_r_proto=''
491 d_gethostent_r=''
492 gethostent_r_proto=''
493 d_gethostprotos=''
494 d_getitimer=''
495 d_getlogin=''
496 d_getlogin_r=''
497 getlogin_r_proto=''
498 d_getmnt=''
499 d_getmntent=''
500 d_getnbyaddr=''
501 d_getnbyname=''
502 d_getnent=''
503 d_getnetbyaddr_r=''
504 getnetbyaddr_r_proto=''
505 d_getnetbyname_r=''
506 getnetbyname_r_proto=''
507 d_getnetent_r=''
508 getnetent_r_proto=''
509 d_getnetprotos=''
510 d_getpagsz=''
511 d_getpent=''
512 d_getpgid=''
513 d_getpgrp2=''
514 d_bsdgetpgrp=''
515 d_getpgrp=''
516 d_getppid=''
517 d_getprior=''
518 d_getpbyname=''
519 d_getpbynumber=''
520 d_getprotobyname_r=''
521 getprotobyname_r_proto=''
522 d_getprotobynumber_r=''
523 getprotobynumber_r_proto=''
524 d_getprotoent_r=''
525 getprotoent_r_proto=''
526 d_getprotoprotos=''
527 d_getprpwnam=''
528 d_getpwent=''
529 d_getpwent_r=''
530 getpwent_r_proto=''
531 d_getpwnam_r=''
532 getpwnam_r_proto=''
533 d_getpwuid_r=''
534 getpwuid_r_proto=''
535 d_getsent=''
536 d_getservbyname_r=''
537 getservbyname_r_proto=''
538 d_getservbyport_r=''
539 getservbyport_r_proto=''
540 d_getservent_r=''
541 getservent_r_proto=''
542 d_getservprotos=''
543 d_getspnam=''
544 d_getspnam_r=''
545 getspnam_r_proto=''
546 d_getsbyname=''
547 d_getsbyport=''
548 d_gmtime_r=''
549 gmtime_r_proto=''
550 d_gnulibc=''
551 gnulibc_version=''
552 d_hasmntopt=''
553 d_htonl=''
554 d_ilogbl=''
555 d_inetaton=''
556 d_int64_t=''
557 d_isascii=''
558 d_isfinite=''
559 d_isinf=''
560 d_isnan=''
561 d_isnanl=''
562 d_killpg=''
563 d_lchown=''
564 d_ldbl_dig=''
565 d_libm_lib_version=''
566 d_link=''
567 d_localtime_r=''
568 d_localtime_r_needs_tzset=''
569 localtime_r_proto=''
570 d_locconv=''
571 d_lockf=''
572 d_longdbl=''
573 longdblsize=''
574 d_longlong=''
575 longlongsize=''
576 d_lseekproto=''
577 d_lstat=''
578 d_madvise=''
579 d_malloc_good_size=''
580 d_malloc_size=''
581 d_mblen=''
582 d_mbstowcs=''
583 d_mbtowc=''
584 d_memchr=''
585 d_memcmp=''
586 d_memcpy=''
587 d_memmove=''
588 d_memset=''
589 d_mkdir=''
590 d_mkdtemp=''
591 d_mkfifo=''
592 d_mkstemp=''
593 d_mkstemps=''
594 d_mktime=''
595 d_mmap=''
596 mmaptype=''
597 d_modfl=''
598 d_modfl_pow32_bug=''
599 d_modflproto=''
600 d_mprotect=''
601 d_msg=''
602 d_msgctl=''
603 d_msgget=''
604 d_msghdr_s=''
605 d_msgrcv=''
606 d_msgsnd=''
607 d_msync=''
608 d_munmap=''
609 d_nice=''
610 d_nl_langinfo=''
611 d_off64_t=''
612 d_open3=''
613 d_fpathconf=''
614 d_pathconf=''
615 d_pause=''
616 d_pipe=''
617 d_poll=''
618 d_portable=''
619 d_procselfexe=''
620 procselfexe=''
621 d_old_pthread_create_joinable=''
622 old_pthread_create_joinable=''
623 d_pthread_atfork=''
624 d_pthread_attr_setscope=''
625 d_pthread_yield=''
626 d_sched_yield=''
627 sched_yield=''
628 d_qgcvt=''
629 d_random_r=''
630 random_r_proto=''
631 d_readdir64_r=''
632 readdir64_r_proto=''
633 d_readdir=''
634 d_rewinddir=''
635 d_seekdir=''
636 d_telldir=''
637 d_readdir_r=''
638 readdir_r_proto=''
639 d_readlink=''
640 d_readv=''
641 d_recvmsg=''
642 d_rename=''
643 d_rmdir=''
644 d_safebcpy=''
645 d_safemcpy=''
646 d_sanemcmp=''
647 d_sbrkproto=''
648 d_scalbnl=''
649 d_select=''
650 d_sem=''
651 d_semctl=''
652 d_semget=''
653 d_semop=''
654 d_sendmsg=''
655 d_setegid=''
656 d_seteuid=''
657 d_setgrent=''
658 d_setgrent_r=''
659 setgrent_r_proto=''
660 d_setgrps=''
661 d_sethent=''
662 d_sethostent_r=''
663 sethostent_r_proto=''
664 d_setitimer=''
665 d_setlinebuf=''
666 d_setlocale=''
667 d_setlocale_r=''
668 setlocale_r_proto=''
669 d_setnent=''
670 d_setnetent_r=''
671 setnetent_r_proto=''
672 d_setpent=''
673 d_setpgid=''
674 d_setpgrp2=''
675 d_bsdsetpgrp=''
676 d_setpgrp=''
677 d_setprior=''
678 d_setproctitle=''
679 d_setprotoent_r=''
680 setprotoent_r_proto=''
681 d_setpwent=''
682 d_setpwent_r=''
683 setpwent_r_proto=''
684 d_setregid=''
685 d_setresgid=''
686 d_setresuid=''
687 d_setreuid=''
688 d_setrgid=''
689 d_setruid=''
690 d_setsent=''
691 d_setservent_r=''
692 setservent_r_proto=''
693 d_setsid=''
694 d_setvbuf=''
695 d_sfio=''
696 usesfio=''
697 d_shm=''
698 d_shmat=''
699 d_shmatprototype=''
700 shmattype=''
701 d_shmctl=''
702 d_shmdt=''
703 d_shmget=''
704 d_sigaction=''
705 d_signbit=''
706 d_sigprocmask=''
707 d_sigsetjmp=''
708 usesitecustomize=''
709 d_snprintf=''
710 d_vsnprintf=''
711 d_sockatmark=''
712 d_sockatmarkproto=''
713 d_msg_ctrunc=''
714 d_msg_dontroute=''
715 d_msg_oob=''
716 d_msg_peek=''
717 d_msg_proxy=''
718 d_oldsock=''
719 d_scm_rights=''
720 d_socket=''
721 d_sockpair=''
722 sockethdr=''
723 socketlib=''
724 d_socklen_t=''
725 d_socks5_init=''
726 d_sprintf_returns_strlen=''
727 d_sqrtl=''
728 d_srand48_r=''
729 srand48_r_proto=''
730 d_srandom_r=''
731 srandom_r_proto=''
732 d_sresgproto=''
733 d_sresuproto=''
734 d_statblks=''
735 d_statfs_f_flags=''
736 d_statfs_s=''
737 d_fstatvfs=''
738 d_statvfs=''
739 d_stdio_cnt_lval=''
740 d_stdio_ptr_lval=''
741 d_stdio_ptr_lval_nochange_cnt=''
742 d_stdio_ptr_lval_sets_cnt=''
743 d_stdiobase=''
744 d_stdstdio=''
745 stdio_base=''
746 stdio_bufsiz=''
747 stdio_cnt=''
748 stdio_filbuf=''
749 stdio_ptr=''
750 d_index=''
751 d_strchr=''
752 d_strcoll=''
753 d_strctcpy=''
754 d_strerrm=''
755 d_strerror=''
756 d_sysernlst=''
757 d_syserrlst=''
758 d_strerror_r=''
759 strerror_r_proto=''
760 d_strftime=''
761 d_strlcat=''
762 d_strlcpy=''
763 d_strtod=''
764 d_strtol=''
765 d_strtold=''
766 d_strtoll=''
767 d_strtoq=''
768 d_strtoul=''
769 d_strtoull=''
770 d_strtouq=''
771 d_strxfrm=''
772 d_symlink=''
773 d_syscall=''
774 d_syscallproto=''
775 d_sysconf=''
776 d_system=''
777 d_tcgetpgrp=''
778 d_tcsetpgrp=''
779 d_telldirproto=''
780 d_time=''
781 timetype=''
782 clocktype=''
783 d_times=''
784 d_tmpnam_r=''
785 tmpnam_r_proto=''
786 d_truncate=''
787 d_ttyname_r=''
788 ttyname_r_proto=''
789 d_tzname=''
790 d_u32align=''
791 d_ualarm=''
792 d_umask=''
793 d_semctl_semid_ds=''
794 d_semctl_semun=''
795 d_union_semun=''
796 d_unordered=''
797 d_unsetenv=''
798 d_usleep=''
799 d_usleepproto=''
800 d_ustat=''
801 d_pseudofork=''
802 d_vfork=''
803 usevfork=''
804 d_voidsig=''
805 signal_t=''
806 d_volatile=''
807 d_charvspr=''
808 d_vprintf=''
809 d_wait4=''
810 d_waitpid=''
811 d_wcstombs=''
812 d_wctomb=''
813 d_writev=''
814 dlext=''
815 cccdlflags=''
816 ccdlflags=''
817 dlsrc=''
818 ld=''
819 lddlflags=''
820 usedl=''
821 doublesize=''
822 ebcdic=''
823 fflushNULL=''
824 fflushall=''
825 fpossize=''
826 fpostype=''
827 gccansipedantic=''
828 gccosandvers=''
829 gccversion=''
830 gidformat=''
831 gidsign=''
832 gidsize=''
833 gidtype=''
834 groupstype=''
835 h_fcntl=''
836 h_sysfile=''
837 html1dir=''
838 html1direxp=''
839 installhtml1dir=''
840 html3dir=''
841 html3direxp=''
842 installhtml3dir=''
843 i_arpainet=''
844 i_assert=''
845 i_crypt=''
846 db_hashtype=''
847 db_prefixtype=''
848 db_version_major=''
849 db_version_minor=''
850 db_version_patch=''
851 i_db=''
852 i_dbm=''
853 i_rpcsvcdbm=''
854 d_dirnamlen=''
855 direntrytype=''
856 i_dirent=''
857 i_dld=''
858 i_dlfcn=''
859 i_fcntl=''
860 i_float=''
861 i_fp=''
862 i_fp_class=''
863 i_gdbm=''
864 d_grpasswd=''
865 i_grp=''
866 i_ieeefp=''
867 i_inttypes=''
868 i_langinfo=''
869 i_libutil=''
870 i_limits=''
871 i_locale=''
872 i_machcthr=''
873 i_malloc=''
874 i_math=''
875 i_memory=''
876 i_mntent=''
877 i_ndbm=''
878 i_netdb=''
879 i_neterrno=''
880 i_netinettcp=''
881 i_niin=''
882 i_sysin=''
883 i_poll=''
884 i_prot=''
885 i_pthread=''
886 d_pwage=''
887 d_pwchange=''
888 d_pwclass=''
889 d_pwcomment=''
890 d_pwexpire=''
891 d_pwgecos=''
892 d_pwpasswd=''
893 d_pwquota=''
894 i_pwd=''
895 i_sfio=''
896 i_shadow=''
897 i_socks=''
898 i_stddef=''
899 i_stdlib=''
900 i_string=''
901 strings=''
902 i_sunmath=''
903 i_sysaccess=''
904 i_sysdir=''
905 i_sysfile=''
906 d_voidtty=''
907 i_bsdioctl=''
908 i_sysfilio=''
909 i_sysioctl=''
910 i_syssockio=''
911 i_syslog=''
912 i_sysmman=''
913 i_sysmode=''
914 i_sysmount=''
915 i_sysndir=''
916 i_sysparam=''
917 i_sysresrc=''
918 i_syssecrt=''
919 i_sysselct=''
920 i_sysstat=''
921 i_sysstatfs=''
922 i_sysstatvfs=''
923 i_systimes=''
924 i_systypes=''
925 i_sysuio=''
926 i_sysun=''
927 i_sysutsname=''
928 i_sysvfs=''
929 i_syswait=''
930 i_sgtty=''
931 i_termio=''
932 i_termios=''
933 d_tm_tm_gmtoff=''
934 d_tm_tm_zone=''
935 i_systime=''
936 i_systimek=''
937 i_time=''
938 timeincl=''
939 i_unistd=''
940 i_ustat=''
941 i_utime=''
942 i_values=''
943 i_stdarg=''
944 i_varargs=''
945 i_varhdr=''
946 i_vfork=''
947 d_inc_version_list=''
948 inc_version_list=''
949 inc_version_list_init=''
950 installprefix=''
951 installprefixexp=''
952 installstyle=''
953 installusrbinperl=''
954 intsize=''
955 longsize=''
956 shortsize=''
957 issymlink=''
958 libc=''
959 ldlibpthname=''
960 libperl=''
961 shrpenv=''
962 useshrplib=''
963 glibpth=''
964 libpth=''
965 loclibpth=''
966 plibpth=''
967 xlibpth=''
968 ignore_versioned_solibs=''
969 libs=''
970 libsdirs=''
971 libsfiles=''
972 libsfound=''
973 libspath=''
974 lns=''
975 d_PRIEUldbl=''
976 d_PRIFUldbl=''
977 d_PRIGUldbl=''
978 d_PRIeldbl=''
979 d_PRIfldbl=''
980 d_PRIgldbl=''
981 d_SCNfldbl=''
982 sPRIEUldbl=''
983 sPRIFUldbl=''
984 sPRIGUldbl=''
985 sPRIeldbl=''
986 sPRIfldbl=''
987 sPRIgldbl=''
988 sSCNfldbl=''
989 lseeksize=''
990 lseektype=''
991 mad=''
992 madlyh=''
993 madlyobj=''
994 madlysrc=''
995 make_set_make=''
996 d_mymalloc=''
997 freetype=''
998 mallocobj=''
999 mallocsrc=''
1000 malloctype=''
1001 usemallocwrap=''
1002 usemymalloc=''
1003 installman1dir=''
1004 man1dir=''
1005 man1direxp=''
1006 man1ext=''
1007 installman3dir=''
1008 man3dir=''
1009 man3direxp=''
1010 man3ext=''
1011 modetype=''
1012 multiarch=''
1013 mydomain=''
1014 myhostname=''
1015 phostname=''
1016 c=''
1017 n=''
1018 d_eofnblk=''
1019 eagain=''
1020 o_nonblock=''
1021 rd_nodata=''
1022 need_va_copy=''
1023 netdb_hlen_type=''
1024 netdb_host_type=''
1025 netdb_name_type=''
1026 netdb_net_type=''
1027 groupcat=''
1028 hostcat=''
1029 passcat=''
1030 orderlib=''
1031 ranlib=''
1032 d_perl_otherlibdirs=''
1033 otherlibdirs=''
1034 package=''
1035 spackage=''
1036 pager=''
1037 api_revision=''
1038 api_subversion=''
1039 api_version=''
1040 api_versionstring=''
1041 patchlevel=''
1042 perl_patchlevel=''
1043 revision=''
1044 subversion=''
1045 version=''
1046 version_patchlevel_string=''
1047 perl5=''
1048 perladmin=''
1049 perlpath=''
1050 d_nv_preserves_uv=''
1051 d_nv_zero_is_allbits_zero=''
1052 i16size=''
1053 i16type=''
1054 i32size=''
1055 i32type=''
1056 i64size=''
1057 i64type=''
1058 i8size=''
1059 i8type=''
1060 ivsize=''
1061 ivtype=''
1062 nv_preserves_uv_bits=''
1063 nvsize=''
1064 nvtype=''
1065 u16size=''
1066 u16type=''
1067 u32size=''
1068 u32type=''
1069 u64size=''
1070 u64type=''
1071 u8size=''
1072 u8type=''
1073 uvsize=''
1074 uvtype=''
1075 ivdformat=''
1076 nvEUformat=''
1077 nvFUformat=''
1078 nvGUformat=''
1079 nveformat=''
1080 nvfformat=''
1081 nvgformat=''
1082 uvXUformat=''
1083 uvoformat=''
1084 uvuformat=''
1085 uvxformat=''
1086 pidtype=''
1087 prefix=''
1088 prefixexp=''
1089 installprivlib=''
1090 privlib=''
1091 privlibexp=''
1092 prototype=''
1093 ptrsize=''
1094 d_PRIXU64=''
1095 d_PRId64=''
1096 d_PRIi64=''
1097 d_PRIo64=''
1098 d_PRIu64=''
1099 d_PRIx64=''
1100 sPRIXU64=''
1101 sPRId64=''
1102 sPRIi64=''
1103 sPRIo64=''
1104 sPRIu64=''
1105 sPRIx64=''
1106 d_quad=''
1107 quadkind=''
1108 quadtype=''
1109 uquadtype=''
1110 drand01=''
1111 randbits=''
1112 randfunc=''
1113 randseedtype=''
1114 seedfunc=''
1115 installscript=''
1116 scriptdir=''
1117 scriptdirexp=''
1118 selectminbits=''
1119 selecttype=''
1120 sh=''
1121 sig_count=''
1122 sig_name=''
1123 sig_name_init=''
1124 sig_num=''
1125 sig_num_init=''
1126 sig_size=''
1127 d_sitearch=''
1128 installsitearch=''
1129 sitearch=''
1130 sitearchexp=''
1131 installsitebin=''
1132 sitebin=''
1133 sitebinexp=''
1134 installsitehtml1dir=''
1135 sitehtml1dir=''
1136 sitehtml1direxp=''
1137 installsitehtml3dir=''
1138 sitehtml3dir=''
1139 sitehtml3direxp=''
1140 installsitelib=''
1141 sitelib=''
1142 sitelib_stem=''
1143 sitelibexp=''
1144 installsiteman1dir=''
1145 siteman1dir=''
1146 siteman1direxp=''
1147 installsiteman3dir=''
1148 siteman3dir=''
1149 siteman3direxp=''
1150 siteprefix=''
1151 siteprefixexp=''
1152 installsitescript=''
1153 sitescript=''
1154 sitescriptexp=''
1155 sizesize=''
1156 sizetype=''
1157 so=''
1158 socksizetype=''
1159 sharpbang=''
1160 shsharp=''
1161 spitshell=''
1162 src=''
1163 ssizetype=''
1164 startperl=''
1165 startsh=''
1166 stdchar=''
1167 d_stdio_stream_array=''
1168 stdio_stream_array=''
1169 sysman=''
1170 trnl=''
1171 uidformat=''
1172 uidsign=''
1173 uidsize=''
1174 uidtype=''
1175 archname64=''
1176 use64bitall=''
1177 use64bitint=''
1178 usefaststdio=''
1179 ccflags_uselargefiles=''
1180 ldflags_uselargefiles=''
1181 libswanted_uselargefiles=''
1182 uselargefiles=''
1183 uselongdouble=''
1184 usemorebits=''
1185 usemultiplicity=''
1186 nm_opt=''
1187 nm_so_opt=''
1188 runnm=''
1189 usenm=''
1190 useperlio=''
1191 usesocks=''
1192 d_oldpthreads=''
1193 use5005threads=''
1194 useithreads=''
1195 usereentrant=''
1196 usethreads=''
1197 usedtrace=''
1198 incpath=''
1199 mips_type=''
1200 usrinc=''
1201 d_vendorarch=''
1202 installvendorarch=''
1203 vendorarch=''
1204 vendorarchexp=''
1205 d_vendorbin=''
1206 installvendorbin=''
1207 vendorbin=''
1208 vendorbinexp=''
1209 installvendorhtml1dir=''
1210 vendorhtml1dir=''
1211 vendorhtml1direxp=''
1212 installvendorhtml3dir=''
1213 vendorhtml3dir=''
1214 vendorhtml3direxp=''
1215 d_vendorlib=''
1216 installvendorlib=''
1217 vendorlib=''
1218 vendorlib_stem=''
1219 vendorlibexp=''
1220 installvendorman1dir=''
1221 vendorman1dir=''
1222 vendorman1direxp=''
1223 installvendorman3dir=''
1224 vendorman3dir=''
1225 vendorman3direxp=''
1226 usevendorprefix=''
1227 vendorprefix=''
1228 vendorprefixexp=''
1229 d_vendorscript=''
1230 installvendorscript=''
1231 vendorscript=''
1232 vendorscriptexp=''
1233 versiononly=''
1234 defvoidused=''
1235 voidflags=''
1236 yacc=''
1237 yaccflags=''
1238 CONFIG=''
1239
1240 define='define'
1241 undef='undef'
1242 smallmach='pdp11 i8086 z8000 i80286 iAPX286'
1243 rmlist=''
1244
1245 : We must find out about Eunice early
1246 eunicefix=':'
1247 if test -f /etc/unixtovms; then
1248         eunicefix=/etc/unixtovms
1249 fi
1250 if test -f /etc/unixtovms.exe; then
1251         eunicefix=/etc/unixtovms.exe
1252 fi
1253
1254 : Set executable suffix now -- needed before hints available
1255 if test -f "/libs/version.library"; then
1256 : Amiga OS
1257     _exe=""
1258 elif test -f "/system/gnu_library/bin/ar.pm"; then
1259 : Stratus VOS
1260     _exe=".pm"
1261 elif test -n "$DJGPP"; then
1262 : DOS DJGPP
1263     _exe=".exe"
1264 elif test -d c:/. -o -n "$is_os2" ; then
1265 : OS/2 or cygwin
1266     _exe=".exe"
1267 fi
1268
1269 i_whoami=''
1270 : Trailing extension.  Override this in a hint file, if needed.
1271 : Extra object files, if any, needed on this platform.
1272 archobjs=''
1273 archname=''
1274 groupstype=''
1275 libnames=''
1276 : change the next line if compiling for Xenix/286 on Xenix/386
1277 xlibpth='/usr/lib/386 /lib/386'
1278 : Possible local library directories to search.
1279 loclibpth="/usr/local/lib /opt/local/lib /usr/gnu/lib"
1280 loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
1281
1282 : general looking path for locating libraries
1283 glibpth="/lib /usr/lib $xlibpth"
1284 glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
1285 test -f /usr/shlib/libc.so && glibpth="/usr/shlib $glibpth"
1286 test -f /shlib/libc.so     && glibpth="/shlib $glibpth"
1287 test -d /usr/lib64         && glibpth="$glibpth /lib64 /usr/lib64 /usr/local/lib64"
1288
1289 : Private path used by Configure to find libraries.  Its value
1290 : is prepended to libpth. This variable takes care of special
1291 : machines, like the mips.  Usually, it should be empty.
1292 plibpth=''
1293
1294 : default library list
1295 libswanted=''
1296 : some systems want to use only the non-versioned libso:s
1297 ignore_versioned_solibs=''
1298 siteman1dir=''
1299 siteman3dir=''
1300 sitescript=''
1301 : set usethreads on the Configure command line to enable threads.
1302 usereentrant='undef'
1303 : full support for void wanted by default
1304 defvoidused=15
1305
1306 : Possible local include directories to search.
1307 : Set locincpth to "" in a hint file to defeat local include searches.
1308 locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
1309 locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
1310 :
1311 : no include file wanted by default
1312 inclwanted=''
1313
1314 : Enable -DEBUGGING and -DDEBUGGING from the command line
1315 EBUGGING=''
1316 DEBUGGING=old
1317
1318 ccname=''
1319 ccversion=''
1320 perllibs=''
1321 : set useposix=false in your hint file to disable the POSIX extension.
1322 useposix=true
1323 : set useopcode=false in your hint file to disable the Opcode extension.
1324 useopcode=true
1325 archname64=''
1326 ccflags_uselargefiles=''
1327 ldflags_uselargefiles=''
1328 libswanted_uselargefiles=''
1329 : set usemultiplicity on the Configure command line to enable multiplicity.
1330 : set usesocks on the Configure command line to enable socks.
1331 : List of libraries we want.
1332 : If anyone needs extra -lxxx, put those in a hint file.
1333 libswanted="sfio socket bind inet nsl nm ndbm gdbm dbm db malloc dl dld ld sun"
1334 libswanted="$libswanted m crypt sec util c cposix posix ucb bsd BSD"
1335 : We probably want to search /usr/shlib before most other libraries.
1336 : This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
1337 glibpth=`echo " $glibpth " | sed -e 's! /usr/shlib ! !'`
1338 glibpth="/usr/shlib $glibpth"
1339 : Do not use vfork unless overridden by a hint file.
1340 usevfork=false
1341
1342 : Find the basic shell for Bourne shell scripts
1343 case "$sh" in
1344 '')
1345         case "$SYSTYPE" in
1346         *bsd*|sys5*) xxx="/$SYSTYPE/bin/sh";;
1347         *) xxx='/bin/sh';;
1348         esac
1349         if test -f "$xxx"; then
1350                 sh="$xxx"
1351         else
1352                 : Build up a list and do a single loop so we can 'break' out.
1353                 pth=`echo $PATH | sed -e "s/$p_/ /g"`
1354                 for xxx in sh bash ksh pdksh ash; do
1355                         for p in $pth; do
1356                                 try="$try ${p}/${xxx}"
1357                         done
1358                 done
1359                 for xxx in $try; do
1360                         if test -f "$xxx"; then
1361                                 sh="$xxx";
1362                                 break
1363                         elif test "X$_exe" != X -a -f "$xxx$_exe"; then
1364                                 sh="$xxx";
1365                                 break
1366                         elif test -f "$xxx.exe"; then
1367                                 sh="$xxx";
1368                                 break
1369                         fi
1370                 done
1371         fi
1372         ;;
1373 esac
1374
1375 case "$sh" in
1376 '')     cat >&2 <<EOM
1377 $me:  Fatal Error:  I can't find a Bourne Shell anywhere.  
1378
1379 Usually it's in /bin/sh.  How did you even get this far?
1380 Please contact me (Perl Maintainers) at perlbug@perl.org and 
1381 we'll try to straighten this all out.
1382 EOM
1383         exit 1
1384         ;;
1385 esac
1386
1387 : see if sh knows # comments
1388 if `$sh -c '#' >/dev/null 2>&1`; then
1389         shsharp=true
1390         spitshell=cat
1391         xcat=/bin/cat
1392         test -f $xcat$_exe || xcat=/usr/bin/cat
1393         if test ! -f $xcat$_exe; then
1394                 for p in `echo $PATH | sed -e "s/$p_/ /g"` $paths; do
1395                         if test -f $p/cat$_exe; then
1396                                 xcat=$p/cat
1397                                 break
1398                         fi
1399                 done
1400                 if test ! -f $xcat$_exe; then
1401                         echo "Can't find cat anywhere!"
1402                         exit 1
1403                 fi
1404         fi
1405         echo "#!$xcat" >sharp
1406         $eunicefix sharp
1407         chmod +x sharp
1408         ./sharp > today
1409         if test -s today; then
1410                 sharpbang='#!'
1411         else
1412                 echo "#! $xcat" > sharp
1413                 $eunicefix sharp
1414                 chmod +x sharp
1415                 ./sharp > today
1416                 if test -s today; then
1417                         sharpbang='#! '
1418                 else
1419                         sharpbang=': use '
1420                 fi
1421         fi
1422 else
1423         echo " "
1424         echo "Your $sh doesn't grok # comments--I will strip them later on."
1425         shsharp=false
1426         cd ..
1427         echo "exec grep -v '^[  ]*#'" >spitshell
1428         chmod +x spitshell
1429         $eunicefix spitshell
1430         spitshell=`pwd`/spitshell
1431         cd UU
1432         echo "I presume that if # doesn't work, #! won't work either!"
1433         sharpbang=': use '
1434 fi
1435 rm -f sharp today
1436
1437 : figure out how to guarantee sh startup
1438 case "$startsh" in
1439 '') startsh=${sharpbang}${sh} ;;
1440 *)
1441 esac
1442 cat >sharp <<EOSS
1443 $startsh
1444 set abc
1445 test "$?abc" != 1
1446 EOSS
1447
1448 chmod +x sharp
1449 $eunicefix sharp
1450 if ./sharp; then
1451         : echo "Yup, it does."
1452 else
1453         echo "Hmm... '$startsh' does not guarantee sh startup..."
1454         echo "You may have to fix up the shell scripts to make sure $sh runs them."
1455 fi
1456 rm -f sharp
1457
1458 : Save command line options in file UU/cmdline.opt for later use in
1459 : generating config.sh.
1460 cat > cmdline.opt <<EOSH
1461 : Configure command line arguments.
1462 config_arg0='$0'
1463 config_args='$*'
1464 config_argc=$#
1465 EOSH
1466 argn=1
1467 args_exp=''
1468 args_sep=''
1469 for arg in "$@"; do
1470         cat >>cmdline.opt <<EOSH
1471 config_arg$argn='$arg'
1472 EOSH
1473         cat <<EOC | sed -e "s/'/'"'"'"'"'"'"'/g" > cmdl.opt
1474 $arg
1475 EOC
1476         arg_exp=`cat cmdl.opt`
1477         args_exp="$args_exp$args_sep'$arg_exp'"
1478         argn=`expr $argn + 1`
1479         args_sep=' '
1480 done
1481 rm -f cmdl.opt
1482
1483 : produce awk script to parse command line options
1484 cat >options.awk <<'EOF'
1485 BEGIN {
1486         optstr = "A:dD:eEf:hKOrsSU:V";  # getopt-style specification
1487
1488         len = length(optstr);
1489         for (i = 1; i <= len; i++) {
1490                 c = substr(optstr, i, 1);
1491                 if (i < len) a = substr(optstr, i + 1, 1); else a = "";
1492                 if (a == ":") {
1493                         arg[c] = 1;
1494                         i++;
1495                 }
1496                 opt[c] = 1;
1497         }
1498 }
1499 {
1500         expect = 0;
1501         str = $0;
1502         if (substr(str, 1, 1) != "-") {
1503                 printf("'%s'\n", str);
1504                 next;
1505         }
1506         len = length($0);
1507         for (i = 2; i <= len; i++) {
1508                 c = substr(str, i, 1);
1509                 if (!opt[c]) {
1510                         printf("-%s\n", substr(str, i));
1511                         next;
1512                 }
1513                 printf("-%s\n", c);
1514                 if (arg[c]) {
1515                         if (i < len)
1516                                 printf("'%s'\n", substr(str, i + 1));
1517                         else
1518                                 expect = 1;
1519                         next;
1520                 }
1521         }
1522 }
1523 END {
1524         if (expect)
1525                 print "?";
1526 }
1527 EOF
1528
1529 : process the command line options
1530 set X `for arg in "$@"; do echo "X$arg"; done |
1531         sed -e s/X// | awk -f options.awk`
1532 eval "set $*"
1533 shift
1534 rm -f options.awk
1535
1536 : set up default values
1537 fastread=''
1538 reuseval=false
1539 config_sh=''
1540 alldone=''
1541 error=''
1542 silent=''
1543 extractsh=''
1544 override=''
1545 knowitall=''
1546 rm -f optdef.sh posthint.sh
1547 cat >optdef.sh <<EOS
1548 $startsh
1549 EOS
1550
1551
1552 : option parsing
1553 while test $# -gt 0; do
1554         case "$1" in
1555         -d) shift; fastread=yes;;
1556         -e) shift; alldone=cont;;
1557         -f)
1558                 shift
1559                 cd ..
1560                 if test -r "$1"; then
1561                         config_sh="$1"
1562                 else
1563                         echo "$me: cannot read config file $1." >&2
1564                         error=true
1565                 fi
1566                 cd UU
1567                 shift;;
1568         --help|\
1569         -h) shift; error=true;;
1570         -r) shift; reuseval=true;;
1571         -s) shift; silent=true; realsilent=true;;
1572         -E) shift; alldone=exit;;
1573         -K) shift; knowitall=true;;
1574         -O) shift; override=true;;
1575         -S) shift; silent=true; extractsh=true;;
1576         -D)
1577                 shift
1578                 case "$1" in
1579                 *=)
1580                         echo "$me: use '-U symbol=', not '-D symbol='." >&2
1581                         echo "$me: ignoring -D $1" >&2
1582                         ;;
1583                 *=*) echo "$1" | \
1584                                 sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;;
1585                 *) echo "$1='define'" >> optdef.sh;;
1586                 esac
1587                 shift
1588                 ;;
1589         -U)
1590                 shift
1591                 case "$1" in
1592                 *=) echo "$1" >> optdef.sh;;
1593                 *=*)
1594                         echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2
1595                         echo "$me: ignoring -U $1" >&2
1596                         ;;
1597                 *) echo "$1='undef'" >> optdef.sh;;
1598                 esac
1599                 shift
1600                 ;;
1601         -A)
1602             shift
1603             xxx=''
1604             yyy="$1"
1605             zzz=''
1606             uuu=undef
1607             case "$yyy" in
1608             *=*) zzz=`echo "$yyy"|sed 's!=.*!!'`
1609                  case "$zzz" in
1610                  *:*) zzz='' ;;
1611                  *)   xxx=append
1612                       zzz=" "`echo "$yyy"|sed 's!^[^=]*=!!'`
1613                       yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
1614                  esac
1615                  ;;
1616             esac
1617             case "$xxx" in
1618             '')  case "$yyy" in
1619                  *:*) xxx=`echo "$yyy"|sed 's!:.*!!'`
1620                       yyy=`echo "$yyy"|sed 's!^[^:]*:!!'`
1621                       zzz=`echo "$yyy"|sed 's!^[^=]*=!!'`
1622                       yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
1623                  *)   xxx=`echo "$yyy"|sed 's!:.*!!'`
1624                       yyy=`echo "$yyy"|sed 's!^[^:]*:!!'` ;;
1625                  esac
1626                  ;;
1627             esac
1628             case "$xxx" in
1629             append)
1630                 echo "$yyy=\"\${$yyy}$zzz\""    >> posthint.sh ;;
1631             clear)
1632                 echo "$yyy=''"                  >> posthint.sh ;;
1633             define)
1634                 case "$zzz" in
1635                 '') zzz=define ;;
1636                 esac
1637                 echo "$yyy='$zzz'"              >> posthint.sh ;;
1638             eval)
1639                 echo "eval \"$yyy=$zzz\""       >> posthint.sh ;;
1640             prepend)
1641                 echo "$yyy=\"$zzz\${$yyy}\""    >> posthint.sh ;;
1642             undef)
1643                 case "$zzz" in
1644                 '') zzz="$uuu" ;;
1645                 esac
1646                 echo "$yyy=$zzz"                >> posthint.sh ;;
1647             *)  echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2 ;;
1648             esac
1649             shift
1650             ;;
1651         -V) echo "$me generated by metaconfig 3.0 PL70." >&2
1652             exit 0;;
1653         --) break;;
1654         -*) echo "$me: unknown option $1" >&2; shift; error=true;;
1655         *) break;;
1656         esac
1657 done
1658
1659 case "$error" in
1660 true)
1661         cat >&2 <<EOM
1662 Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
1663                  [-U symbol] [-U symbol=] [-A command:symbol...]
1664   -d : use defaults for all answers.
1665   -e : go on without questioning past the production of config.sh.
1666   -f : specify an alternate default configuration file.
1667   -h : print this help message and exit (with an error status).
1668   -r : reuse C symbols value if possible (skips costly nm extraction).
1669   -s : silent mode, only echoes questions and essential information.
1670   -D : define symbol to have some value:
1671          -D symbol         symbol gets the value 'define'
1672          -D symbol=value   symbol gets the value 'value'
1673        common used examples (see INSTALL for more info):
1674          -Duse64bitint            use 64bit integers
1675          -Duse64bitall            use 64bit integers and pointers
1676          -Dusethreads             use thread support
1677          -Dinc_version_list=none  do not include older perl trees in @INC
1678          -DEBUGGING=none          DEBUGGING options
1679          -Dcc=gcc                 choose your compiler
1680          -Dprefix=/opt/perl5      choose your destination
1681   -E : stop at the end of questions, after having produced config.sh.
1682   -K : do not use unless you know what you are doing.
1683   -O : let -D and -U override definitions from loaded configuration file.
1684   -S : perform variable substitutions on all .SH files (can mix with -f)
1685   -U : undefine symbol:
1686          -U symbol    symbol gets the value 'undef'
1687          -U symbol=   symbol gets completely empty
1688        e.g.:  -Uversiononly
1689   -A : manipulate symbol after the platform specific hints have been applied:
1690          -A append:symbol=value   append value to symbol
1691          -A symbol=value          like append:, but with a separating space
1692          -A define:symbol=value   define symbol to have value
1693          -A clear:symbol          define symbol to be ''
1694          -A define:symbol         define symbol to be 'define'
1695          -A eval:symbol=value     define symbol to be eval of value
1696          -A prepend:symbol=value  prepend value to symbol
1697          -A undef:symbol          define symbol to be 'undef'
1698          -A undef:symbol=         define symbol to be ''
1699        e.g.:  -A prepend:libswanted='cl pthread '
1700               -A ccflags=-DSOME_MACRO
1701   -V : print version number and exit (with a zero status).
1702 EOM
1703         exit 1
1704         ;;
1705 esac
1706
1707 : Sanity checks
1708 case "$fastread$alldone" in
1709 yescont|yesexit) ;;
1710 *)
1711         case "$extractsh" in
1712         true) ;;
1713         *)
1714                 if test ! -t 0; then
1715                         echo "Say 'sh Configure', not 'sh <Configure'"
1716                         exit 1
1717                 fi
1718                 ;;
1719         esac
1720         ;;
1721 esac
1722
1723 exec 4>&1
1724 case "$silent" in
1725 true) exec 1>/dev/null;;
1726 esac
1727
1728 : run the defines and the undefines, if any, but leave the file out there...
1729 touch optdef.sh
1730 . ./optdef.sh
1731 : create the posthint manipulation script and leave the file out there...
1732 touch posthint.sh
1733
1734 : set package name
1735 package=perl5
1736 first=`echo $package | sed -e 's/^\(.\).*/\1/'`
1737 last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
1738 case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
1739 ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
1740 *) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
1741 esac
1742
1743 : Some greps do not return status, grrr.
1744 echo "grimblepritz" >grimble
1745 if grep blurfldyick grimble >/dev/null 2>&1 ; then
1746         contains=contains
1747 elif grep grimblepritz grimble >/dev/null 2>&1 ; then
1748         contains=grep
1749 else
1750         contains=contains
1751 fi
1752 rm -f grimble
1753 : the following should work in any shell
1754 case "$contains" in
1755 contains*)
1756         echo " "
1757         echo "AGH!  Grep doesn't return a status.  Attempting remedial action."
1758         cat >contains <<'EOSS'
1759 grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
1760 EOSS
1761 chmod +x contains
1762 esac
1763
1764 : Find the path to the source tree
1765 case "$src" in
1766 '') case "$0" in
1767     */*) src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`
1768          case "$src" in
1769          /*)    ;;
1770          .)     ;;
1771          *)     src=`cd ../$src && pwd` ;;
1772          esac
1773          ;;
1774     *)   src='.';;
1775     esac;;
1776 esac
1777 case "$src" in
1778 '')     src=/
1779         rsrc=/
1780         ;;
1781 /*) rsrc="$src";;
1782 *) rsrc="../$src";;
1783 esac
1784 if test -f $rsrc/Configure && \
1785         $contains "^package=$package$" $rsrc/Configure >/dev/null 2>&1
1786 then
1787    : found it, so we are ok.
1788 else
1789         rsrc=''
1790         for src in . .. ../.. ../../.. ../../../..; do
1791                 if test -f ../$src/Configure && \
1792                         $contains "^package=$package$" ../$src/Configure >/dev/null 2>&1
1793                 then
1794                         rsrc=../$src
1795                         break
1796                 fi
1797         done
1798 fi
1799 case "$rsrc" in
1800 '')
1801         cat <<EOM >&4
1802
1803 Sorry, I can't seem to locate the source dir for $package.  Please start
1804 Configure with an explicit path -- i.e. /some/path/Configure.
1805
1806 EOM
1807         exit 1
1808         ;;
1809 ../.)   rsrc='..';;
1810 *)
1811         echo " "
1812         echo "Sources for $package found in \"$src\"." >&4
1813         ;;
1814 esac
1815
1816 : script used to extract .SH files with variable substitutions
1817 cat >extract <<'EOS'
1818 PERL_CONFIG_SH=true
1819 echo "Doing variable substitutions on .SH files..."
1820 if test -f MANIFEST; then
1821         set x `awk '{print $1}' < MANIFEST | grep '\.SH$'`
1822 else
1823         echo "(Looking for .SH files under the source directory.)"
1824         set x `(cd "$src"; find . -name "*.SH" -print)`
1825 fi
1826 shift
1827 case $# in
1828 0) set x `(cd "$src"; echo *.SH)`; shift;;
1829 esac
1830 if test ! -f "$src/$1"; then
1831         shift
1832 fi
1833 mkdir_p='
1834 name=$1;
1835 create="";
1836 while test $name; do
1837         if test ! -d "$name"; then
1838                 create="$name $create";
1839                 name=`echo $name | sed -e "s|^[^/]*$||"`;
1840                 name=`echo $name | sed -e "s|\(.*\)/.*|\1|"`;
1841         else
1842                 name="";
1843         fi;
1844 done;
1845 for file in $create; do
1846         mkdir $file;
1847 done
1848 '
1849 for file in $*; do
1850         case "$src" in
1851         ".")
1852                 case "$file" in
1853                 */*)
1854                         dir=`expr X$file : 'X\(.*\)/'`
1855                         file=`expr X$file : 'X.*/\(.*\)'`
1856                         (cd "$dir" && . ./$file)
1857                         ;;
1858                 *)
1859                         . ./$file
1860                         ;;
1861                 esac
1862                 ;;
1863         *)
1864                 case "$file" in
1865                 */*)
1866                         dir=`expr X$file : 'X\(.*\)/'`
1867                         file=`expr X$file : 'X.*/\(.*\)'`
1868                         (set x $dir; shift; eval $mkdir_p)
1869                         sh <"$src/$dir/$file"
1870                         ;;
1871                 *)
1872                         sh <"$src/$file"
1873                         ;;
1874                 esac
1875                 ;;
1876         esac
1877 done
1878 if test -f "$src/config_h.SH"; then
1879         if test ! -f config.h; then
1880         : oops, they left it out of MANIFEST, probably, so do it anyway.
1881         . "$src/config_h.SH"
1882         fi
1883 fi
1884 EOS
1885
1886 : extract files and exit if asked to do so
1887 case "$extractsh" in
1888 true)
1889         case "$realsilent" in
1890         true) ;;
1891         *) exec 1>&4;;
1892         esac
1893         case "$config_sh" in
1894         '') config_sh='config.sh';;
1895         esac
1896         echo " "
1897         echo "Fetching answers from $config_sh..."
1898         cd ..
1899         . $config_sh
1900         test "$override" && . ./optdef.sh
1901         echo " "
1902         . UU/extract
1903         rm -rf UU
1904         echo "Extraction done."
1905         exit 0
1906         ;;
1907 esac
1908
1909 : Eunice requires " " instead of "", can you believe it
1910 echo " "
1911 : Here we go...
1912 echo "Beginning of configuration questions for $package."
1913
1914 trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15
1915
1916 : first determine how to suppress newline on echo command
1917 echo " "
1918 echo "Checking echo to see how to suppress newlines..."
1919 (echo "hi there\c" ; echo " ") >.echotmp
1920 if $contains c .echotmp >/dev/null 2>&1 ; then
1921         echo "...using -n."
1922         n='-n'
1923         c=''
1924 else
1925         cat <<'EOM'
1926 ...using \c
1927 EOM
1928         n=''
1929         c='\c'
1930 fi
1931 echo $n "The star should be here-->$c"
1932 echo '*'
1933 rm -f .echotmp
1934
1935 : Now test for existence of everything in MANIFEST
1936 echo " "
1937 if test -f "$rsrc/MANIFEST"; then
1938         echo "First let's make sure your kit is complete.  Checking..." >&4
1939         awk '$1 !~ /PACK[A-Z]+/ {print $1}' "$rsrc/MANIFEST" | (split -l 50 2>/dev/null || split -50)
1940         rm -f missing
1941         tmppwd=`pwd`
1942         for filelist in x??; do
1943                 (cd "$rsrc"; ls `cat "$tmppwd/$filelist"` >/dev/null 2>>"$tmppwd/missing")
1944         done
1945         if test -s missing; then
1946                 cat missing >&4
1947                 cat >&4 <<'EOM'
1948
1949 THIS PACKAGE SEEMS TO BE INCOMPLETE.
1950
1951 You have the option of continuing the configuration process, despite the
1952 distinct possibility that your kit is damaged, by typing 'y'es.  If you
1953 do, don't blame me if something goes wrong.  I advise you to type 'n'o
1954 and contact the author (perlbug@perl.org).
1955
1956 EOM
1957                 echo $n "Continue? [n] $c" >&4
1958                 read ans
1959                 case "$ans" in
1960                 y*)
1961                         echo "Continuing..." >&4
1962                         rm -f missing
1963                         ;;
1964                 *)
1965                         echo "ABORTING..." >&4
1966                         kill $$
1967                         ;;
1968                 esac
1969         else
1970                 echo "Looks good..."
1971         fi
1972 else
1973         echo "There is no MANIFEST file.  I hope your kit is complete !"
1974 fi
1975 rm -f missing x??
1976
1977 : Find the appropriate value for a newline for tr
1978 echo " "
1979 if test -n "$DJGPP"; then
1980        trnl='\012'
1981 fi
1982 if test X"$trnl" = X; then
1983         case "`echo foo|tr '\n' x 2>/dev/null`" in
1984         foox) trnl='\n' ;;
1985         esac
1986 fi
1987 if test X"$trnl" = X; then
1988         case "`echo foo|tr '\012' x 2>/dev/null`" in
1989         foox) trnl='\012' ;;
1990         esac
1991 fi
1992 if test X"$trnl" = X; then
1993        case "`echo foo|tr '\r\n' xy 2>/dev/null`" in
1994        fooxy) trnl='\n\r' ;;
1995        esac
1996 fi
1997 if test X"$trnl" = X; then
1998         cat <<EOM >&2
1999
2000 $me: Fatal Error: cannot figure out how to translate newlines with 'tr'.
2001
2002 EOM
2003         exit 1
2004 fi
2005
2006 : compute the number of columns on the terminal for proper question formatting
2007 case "$COLUMNS" in
2008 '') COLUMNS='80';;
2009 esac
2010
2011 : set up the echo used in my read
2012 myecho="case \"\$xxxm\" in
2013 '') echo $n \"\$rp $c\" >&4;;
2014 *) case \"\$rp\" in
2015         '') echo $n \"[\$xxxm] $c\";;
2016         *)
2017                 if test \`echo \"\$rp [\$xxxm]  \" | wc -c\` -ge $COLUMNS; then
2018                         echo \"\$rp\" >&4
2019                         echo $n \"[\$xxxm] $c\" >&4
2020                 else
2021                         echo $n \"\$rp [\$xxxm] $c\" >&4
2022                 fi
2023                 ;;
2024         esac;;
2025 esac"
2026
2027 : now set up to do reads with possible shell escape and default assignment
2028 cat <<EOSC >myread
2029 $startsh
2030 xxxm=\$dflt
2031 $myecho
2032 ans='!'
2033 case "\$fastread" in
2034 yes) case "\$dflt" in
2035         '') ;;
2036         *) ans='';
2037                 case "\$silent-\$rp" in
2038                 true-) ;;
2039                 *) echo " " >&4;;
2040                 esac;;
2041         esac;;
2042 *) case "\$silent" in
2043         true) case "\$rp" in
2044                 '') ans='';;
2045                 esac;;
2046         esac;;
2047 esac
2048 while expr "X\$ans" : "X!" >/dev/null; do
2049         read answ
2050         set x \$xxxm
2051         shift
2052         aok=''; eval "ans=\\"\$answ\\"" && aok=y
2053         case  "\$answ" in
2054         "!")
2055                 sh 1>&4
2056                 echo " "
2057                 $myecho
2058                 ;;
2059         !*)
2060                 set x \`expr "X\$ans" : "X!\(.*\)\$"\`
2061                 shift
2062                 sh 1>&4 -c "\$*"
2063                 echo " "
2064                 $myecho
2065                 ;;
2066         "\$ans")
2067                 case "\$ans" in
2068                 \\&*)
2069                         set x \`expr "X\$ans" : "X&\(.*\)\$"\`
2070                         shift
2071                         case "\$1" in
2072                         -d)
2073                                 fastread=yes
2074                                 echo "(OK, I'll run with -d after this question.)" >&4
2075                                 ;;
2076                         -*)
2077                                 echo "*** Sorry, \$1 not supported yet." >&4
2078                                 ;;
2079                         esac
2080                         $myecho
2081                         ans=!
2082                         ;;
2083                 esac;;
2084         *)
2085                 case "\$aok" in
2086                 y)
2087                         echo "*** Substitution done -- please confirm."
2088                         xxxm="\$ans"
2089                         ans=\`echo $n "\$ans$c" | tr '$trnl' ' '\`
2090                         xxxm="\$ans"
2091                         ans=!
2092                         ;;
2093                 *)
2094                         echo "*** Error -- try again."
2095                         ans=!
2096                         ;;
2097                 esac
2098                 $myecho
2099                 ;;
2100         esac
2101         case "\$ans\$xxxm\$nostick" in
2102         '')
2103                 ans=!
2104                 $myecho
2105                 ;;
2106         esac
2107 done
2108 case "\$ans" in
2109 '') ans="\$xxxm";;
2110 esac
2111 EOSC
2112
2113 : create .config dir to save info across Configure sessions
2114 test -d ../.config || mkdir ../.config
2115 cat >../.config/README <<EOF
2116 This directory created by Configure to save information that should
2117 persist across sessions for $package.
2118
2119 You may safely delete it if you wish.
2120 EOF
2121
2122 : See if we are using a devel version and want that
2123 xversion=`awk '/define[         ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
2124 case "$usedevel" in
2125 $define|true|[yY]*) ;;
2126 *) case "$xversion" in
2127    *[13579])
2128         cat >&4 <<EOH
2129 *** WHOA THERE!!! ***
2130
2131     This is an UNSTABLE DEVELOPMENT release.
2132     The version of this $package distribution is $xversion, that is, odd,
2133     (as opposed to even) and that signifies a development release.
2134     If you want a maintenance release, you want an even-numbered version.
2135
2136     Do ***NOT*** install this into production use.
2137     Data corruption and crashes are possible.
2138
2139     It is most seriously suggested that you do not continue any further
2140     unless you want to help in developing and debugging Perl.
2141
2142     If you *still* want to build perl, you can answer 'y' now,
2143     or pass -Dusedevel to Configure.
2144
2145 EOH
2146         rp='Do you really want to continue?'
2147         dflt='n'
2148         . ./myread
2149         case "$ans" in
2150         [yY]) echo >&4 "Okay, continuing."
2151               usedevel="$define" ;;
2152         *) echo >&4 "Okay, bye."
2153            exit 1
2154            ;;
2155         esac
2156         ;;
2157     esac
2158     ;;
2159 esac
2160 case "$usedevel" in
2161 $define|true|[yY]*)
2162         case "$versiononly" in
2163         '') versiononly="$define" ;;
2164         esac
2165         case "$installusrbinperl" in
2166         '') installusrbinperl="$undef" ;;
2167         esac
2168         ;;
2169 esac
2170
2171 : general instructions
2172 needman=true
2173 firsttime=true
2174 user=`(logname) 2>/dev/null`
2175 case "$user" in
2176 '') user=`whoami 2>&1`;;
2177 esac
2178 if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
2179         firsttime=false
2180         echo " "
2181         rp='Would you like to see the instructions?'
2182         dflt=n
2183         . ./myread
2184         case "$ans" in
2185         [yY]*) ;;
2186         *) needman=false;;
2187         esac
2188 fi
2189 if $needman; then
2190         cat <<EOH
2191
2192 This installation shell script will examine your system and ask you questions
2193 to determine how the perl5 package should be installed. If you get
2194 stuck on a question, you may use a ! shell escape to start a subshell or
2195 execute a command.  Many of the questions will have default answers in square
2196 brackets; typing carriage return will give you the default.
2197
2198 On some of the questions which ask for file or directory names you are allowed
2199 to use the ~name construct to specify the login directory belonging to "name",
2200 even if you don't have a shell which knows about that.  Questions where this is
2201 allowed will be marked "(~name ok)".
2202
2203 EOH
2204         rp=''
2205         dflt='Type carriage return to continue'
2206         . ./myread
2207         cat <<'EOH'
2208
2209 The prompter used in this script allows you to use shell variables and
2210 backticks in your answers.  You may use $1, $2, etc...  to refer to the words
2211 in the default answer, as if the default line was a set of arguments given to a
2212 script shell.  This means you may also use $* to repeat the whole default line,
2213 so you do not have to re-type everything to add something to the default.
2214
2215 Everytime there is a substitution, you will have to confirm.  If there is an
2216 error (e.g. an unmatched backtick), the default answer will remain unchanged
2217 and you will be prompted again.
2218
2219 If you are in a hurry, you may run 'Configure -d'.  This will bypass nearly all
2220 the questions and use the computed defaults (or the previous answers if there
2221 was already a config.sh file). Type 'Configure -h' for a list of options.
2222 You may also start interactively and then answer '& -d' at any prompt to turn
2223 on the non-interactive behaviour for the remainder of the execution.
2224
2225 EOH
2226         . ./myread
2227         cat <<EOH
2228
2229 Much effort has been expended to ensure that this shell script will run on any
2230 Unix system.  If despite that it blows up on yours, your best bet is to edit
2231 Configure and run it again.  If you can't run Configure for some reason,
2232 you'll have to generate a config.sh file by hand.  Whatever problems you
2233 have, let me (perlbug@perl.org) know how I blew it.
2234
2235 This installation script affects things in two ways:
2236
2237 1) it may do direct variable substitutions on some of the files included
2238    in this kit.
2239 2) it builds a config.h file for inclusion in C programs.  You may edit
2240    any of these files as the need arises after running this script.
2241
2242 If you make a mistake on a question, there is no easy way to back up to it
2243 currently.  The easiest thing to do is to edit config.sh and rerun all the SH
2244 files.  Configure will offer to let you do this before it runs the SH files.
2245
2246 EOH
2247         dflt='Type carriage return to continue'
2248         . ./myread
2249         case "$firsttime" in
2250         true) echo $user >>../.config/instruct;;
2251         esac
2252 fi
2253
2254 : find out where common programs are
2255 echo " "
2256 echo "Locating common programs..." >&4
2257 cat <<EOSC >loc
2258 $startsh
2259 case \$# in
2260 0) exit 1;;
2261 esac
2262 thing=\$1
2263 shift
2264 dflt=\$1
2265 shift
2266 for dir in \$*; do
2267         case "\$thing" in
2268         .)
2269         if test -d \$dir/\$thing; then
2270                 echo \$dir
2271                 exit 0
2272         fi
2273         ;;
2274         *)
2275         for thisthing in \$dir/\$thing; do
2276                 : just loop through to pick last item
2277         done
2278         if test -f \$thisthing; then
2279                 echo \$thisthing
2280                 exit 0
2281         elif test "X$_exe" != X -a -f \$thisthing$_exe; then
2282                 echo \$thisthing
2283                 exit 0
2284         elif test -f \$dir/\$thing.exe; then
2285                 if test -n "$DJGPP"; then
2286                         echo \$dir/\$thing.exe
2287                 elif test "$eunicefix" != ":"; then
2288                         : on Eunice apparently
2289                         echo \$dir/\$thing
2290                         exit 0
2291                 fi
2292                 exit 0
2293         fi
2294         ;;
2295         esac
2296 done
2297 echo \$dflt
2298 exit 1
2299 EOSC
2300 chmod +x loc
2301 $eunicefix loc
2302 loclist="
2303 awk
2304 cat
2305 chmod
2306 comm
2307 cp
2308 echo
2309 expr
2310 grep
2311 ls
2312 mkdir
2313 rm
2314 sed
2315 sort
2316 touch
2317 tr
2318 uniq
2319 "
2320 trylist="
2321 Mcc
2322 ar
2323 bison
2324 byacc
2325 cpp
2326 csh
2327 date
2328 egrep
2329 gmake
2330 gzip
2331 less
2332 ln
2333 make
2334 more
2335 nm
2336 nroff
2337 pg
2338 test
2339 uname
2340 zip
2341 "
2342 pth=`echo $PATH | sed -e "s/$p_/ /g"`
2343 pth="$pth /lib /usr/lib"
2344 for file in $loclist; do
2345         eval xxx=\$$file
2346         case "$xxx" in
2347         /*|?:[\\/]*)
2348                 if test -f "$xxx"; then
2349                         : ok
2350                 else
2351                         echo "WARNING: no $xxx -- ignoring your setting for $file." >&4
2352                         xxx=`./loc $file $file $pth`
2353                 fi
2354                 ;;
2355         '') xxx=`./loc $file $file $pth`;;
2356         *) xxx=`./loc $xxx $xxx $pth`;;
2357         esac
2358         eval $file=$xxx$_exe
2359         eval _$file=$xxx
2360         case "$xxx" in
2361         /*)
2362                 echo $file is in $xxx.
2363                 ;;
2364         ?:[\\/]*)
2365                 echo $file is in $xxx.
2366                 ;;
2367         *)
2368                 echo "I don't know where '$file' is, and my life depends on it." >&4
2369                 echo "Go find a public domain implementation or fix your PATH setting!" >&4
2370                 exit 1
2371                 ;;
2372         esac
2373 done
2374 echo " "
2375 echo "Don't worry if any of the following aren't found..."
2376 say=offhand
2377 for file in $trylist; do
2378         eval xxx=\$$file
2379         case "$xxx" in
2380         /*|?:[\\/]*)
2381                 if test -f "$xxx"; then
2382                         : ok
2383                 else
2384                         echo "WARNING: no $xxx -- ignoring your setting for $file." >&4
2385                         xxx=`./loc $file $file $pth`
2386                 fi
2387                 ;;
2388         '') xxx=`./loc $file $file $pth`;;
2389         *) xxx=`./loc $xxx $xxx $pth`;;
2390         esac
2391         eval $file=$xxx$_exe
2392         eval _$file=$xxx
2393         case "$xxx" in
2394         /*)
2395                 echo $file is in $xxx.
2396                 ;;
2397         ?:[\\/]*)
2398                 echo $file is in $xxx.
2399                 ;;
2400         *)
2401                 echo "I don't see $file out there, $say."
2402                 say=either
2403                 ;;
2404         esac
2405 done
2406 case "$egrep" in
2407 egrep)
2408         echo "Substituting grep for egrep."
2409         egrep=$grep
2410         _egrep=$grep
2411         ;;
2412 esac
2413 case "$ln" in
2414 ln)
2415         echo "Substituting cp for ln."
2416         ln=$cp
2417         _ln=$cp
2418         ;;
2419 esac
2420 case "$make" in
2421 make)
2422         case "$gmake" in
2423         gmake)
2424         echo "I can't find make or gmake, and my life depends on it." >&4
2425         echo "Go find a public domain implementation or fix your PATH setting!" >&4
2426         exit 1
2427         ;;
2428         esac
2429         ;;
2430 esac
2431 case "$gmake" in
2432 gmake)  ;;
2433 *)      # We can't have osname yet.
2434         if test -f "/system/gnu_library/bin/ar.pm"; then # Stratus VOS
2435                 # Assume that gmake, if found, is definitely GNU make
2436                 # and prefer it over the system make.
2437                 echo "Substituting gmake for make."
2438                 make=$gmake
2439                 _make=$gmake
2440         fi
2441         ;;
2442 esac
2443 case "$test" in
2444 test)
2445         echo "Hopefully test is built into your sh."
2446         ;;
2447 *)
2448         if `sh -c "PATH= test true" >/dev/null 2>&1`; then
2449                 echo "Using the test built into your sh."
2450                 test=test
2451                 _test=test
2452         fi
2453         ;;
2454 esac
2455 case "$echo" in
2456 echo)
2457         echo "Hopefully echo is built into your sh."
2458         ;;
2459 '') ;;
2460 *)
2461         echo " "
2462 echo "Checking compatibility between $echo and builtin echo (if any)..." >&4
2463         $echo $n "hi there$c" >foo1
2464         echo $n "hi there$c" >foo2
2465         if cmp foo1 foo2 >/dev/null 2>&1; then
2466                 echo "They are compatible.  In fact, they may be identical."
2467         else
2468                 case "$n" in
2469                 '-n') n='' c='\c';;
2470                 *) n='-n' c='';;
2471                 esac
2472                 cat <<FOO
2473 They are not compatible!  You are probably running ksh on a non-USG system.
2474 I'll have to use $echo instead of the builtin, since Bourne shell doesn't
2475 have echo built in and we may have to run some Bourne shell scripts.  That
2476 means I'll have to use '$n$c' to suppress newlines now.  Life is ridiculous.
2477
2478 FOO
2479                 $echo $n "The star should be here-->$c"
2480                 $echo "*"
2481         fi
2482         $rm -f foo1 foo2
2483         ;;
2484 esac
2485
2486 # This question was auctioned at YAPC::Europe-2007 in Vienna
2487 # I never promised you could answer it. I only auctioned the question.
2488 cat <<FOO
2489 The following message is sponsored by
2490
2491   Dresden.pm<--The stars should be here.
2492
2493 Dear Perl user, system administrator or package
2494 maintainer, the Perl community sends greetings to
2495 you. Do you (emblematical) greet back [Y/n]? n
2496
2497 FOO
2498
2499 : Check what type of C compiler we use
2500 cat <<EOS >trygcc
2501 $startsh
2502 EOS
2503 cat <<'EOSC' >>trygcc
2504 case "$cc" in
2505 '') ;;
2506 *)  $rm -f try try.*
2507     $cat >try.c <<EOM
2508 int main(int argc, char *argv[]) {
2509   return 0;
2510 }
2511 EOM
2512     if $cc -o try $ccflags $ldflags try.c; then
2513        :
2514     else
2515         echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
2516         despair=yes
2517         trygcc=yes
2518         case "$cc" in
2519         *gcc*) trygcc=no ;;
2520         esac
2521         # Skip this test because it gives a false match on output like:
2522         #    ./trygcc: line 23: cc: command not found
2523         # case "`$cc -v -c try.c 2>&1`" in
2524         # *gcc*) trygcc=no ;;
2525         # esac
2526         if $test X"$trygcc" = Xyes; then
2527             if gcc -o try -c try.c; then
2528                 echo " "
2529                 echo "You seem to have a working gcc, though." >&4
2530                 # Switching compilers may undo the work of hints files.
2531                 # The most common problem is -D_REENTRANT for threads.
2532                 # This heuristic catches that case, but gets false positives
2533                 # if -Dusethreads was not actually specified.  Better to
2534                 # bail out here with a useful message than fail 
2535                 # mysteriously later. Should we perhaps just try to
2536                 # re-invoke Configure -Dcc=gcc config_args ?
2537                 if $test -f usethreads.cbu; then
2538                         $cat >&4 <<EOM 
2539
2540 *** However, any setting of the C compiler flags (e.g. for thread support)
2541 *** will be lost.  It may be necessary for you to restart Configure and
2542 *** add -Dcc=gcc to your Configure command line.
2543
2544 EOM
2545                         rp="Would you like to go ahead and try gcc anyway?"
2546                         dflt=n
2547                 else
2548                         rp="Would you like to use it?"
2549                         dflt=y
2550                 fi
2551                 if $test -f myread; then
2552                     . ./myread
2553                 else
2554                     if $test -f UU/myread; then
2555                         . ./UU/myread
2556                     else
2557                         echo "Cannot find myread, sorry.  Aborting." >&2
2558                         exit 1
2559                     fi
2560                 fi  
2561                 case "$ans" in
2562                 [yY]*) cc=gcc; ccname=gcc; ccflags=''; despair=no;
2563                 esac
2564             fi
2565         fi
2566     fi
2567     $rm -f try try.*
2568     ;;
2569 esac
2570 EOSC
2571
2572 cat <<EOS >checkcc
2573 $startsh
2574 EOS
2575 cat <<'EOSC' >>checkcc
2576 case "$cc" in        
2577 '') ;;
2578 *)  $rm -f try try.*              
2579     $cat >try.c <<EOM
2580 int main(int argc, char *argv[]) {
2581   return 0;
2582 }
2583 EOM
2584     if $cc -o try $ccflags $ldflags try.c; then
2585        :
2586     else
2587         if $test X"$despair" = Xyes; then
2588            echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
2589         fi
2590         $cat >&4 <<EOM         
2591 You need to find a working C compiler.
2592 Either (purchase and) install the C compiler supplied by your OS vendor,
2593 or for a free C compiler try http://gcc.gnu.org/
2594 I cannot continue any further, aborting.
2595 EOM
2596         exit 1
2597     fi
2598     $rm -f try try.*
2599     ;;
2600 esac
2601 EOSC
2602
2603 : determine whether symbolic links are supported
2604 echo " "
2605 $touch blurfl
2606 if $ln -s blurfl sym > /dev/null 2>&1 ; then
2607         echo "Symbolic links are supported." >&4
2608         lns="$ln -s"
2609 else
2610         echo "Symbolic links are NOT supported." >&4
2611         lns="$ln"
2612 fi
2613 $rm -f blurfl sym
2614
2615 : determine whether symbolic links are supported
2616 echo " "
2617 case "$lns" in
2618 *"ln"*" -s")
2619         echo "Checking how to test for symbolic links..." >&4
2620         $lns blurfl sym
2621         if $test "X$issymlink" = X; then
2622                 case "$newsh" in
2623                 '') sh     -c "PATH= test -h sym" >/dev/null 2>&1 ;;
2624                 *)  $newsh -c "PATH= test -h sym" >/dev/null 2>&1 ;;
2625                 esac
2626                 if test $? = 0; then
2627                         issymlink="test -h"
2628                 else
2629                         echo "Your builtin 'test -h' may be broken." >&4
2630                         case "$test" in
2631                         /*)     ;;
2632                         *)      pth=`echo $PATH | sed -e "s/$p_/ /g"`
2633                                 for p in $pth
2634                                 do
2635                                         if test -f "$p/$test"; then
2636                                                 test="$p/$test"
2637                                                 break
2638                                         fi
2639                                 done
2640                                 ;;
2641                         esac
2642                         case "$test" in
2643                         /*)
2644                                 echo "Trying external '$test -h'." >&4
2645                                 issymlink="$test -h"
2646                                 if $test ! -h sym >/dev/null 2>&1; then
2647                                         echo "External '$test -h' is broken, too." >&4
2648                                         issymlink=''
2649                                 fi
2650                                 ;;
2651                         *)      issymlink='' ;;
2652                         esac
2653                 fi              
2654         fi
2655         if $test "X$issymlink" = X; then
2656                 if $test -L sym 2>/dev/null; then
2657                         issymlink="$test -L"
2658                         echo "The builtin '$test -L' worked." >&4
2659                 fi
2660         fi
2661         if $test "X$issymlink" != X; then
2662                 echo "You can test for symbolic links with '$issymlink'." >&4
2663         else
2664                 echo "I do not know how you can test for symbolic links." >&4
2665         fi
2666         $rm -f blurfl sym
2667         ;;
2668 *)      echo "No symbolic links, so not testing for their testing..." >&4
2669         ;;
2670 esac
2671 echo " "
2672
2673
2674 case "$mksymlinks" in
2675 $define|true|[yY]*)
2676         case "$src" in
2677         ''|'.') echo "Cannot create symlinks in the original directory." >&4
2678                 exit 1
2679                 ;;
2680         *)      case "$lns:$issymlink" in
2681                 *"ln"*" -s:"*"test -"?)
2682                         echo "Creating the symbolic links..." >&4
2683                         echo "(First creating the subdirectories...)" >&4
2684                         cd ..
2685                         awk '{print $1}' $src/MANIFEST | grep / | sed 's:/[^/]*$::' | sort -u | while true; do
2686                                 read directory
2687                                 test -z "$directory" && break
2688                                 mkdir -p $directory
2689                         done
2690                         # Sanity check 1.
2691                         if test ! -d t/base; then
2692                                 echo "Failed to create the subdirectories.  Aborting." >&4
2693                                 exit 1
2694                         fi
2695                         echo "(Then creating the symlinks...)" >&4
2696                         awk '{print $1}' $src/MANIFEST | while true; do
2697                                 read filename
2698                                 test -z "$filename" && break
2699                                 if test -f $filename; then
2700                                         if $issymlink $filename; then
2701                                                 rm -f $filename
2702                                         fi
2703                                 fi
2704                                 if test -f $filename; then
2705                                         echo "$filename already exists, not symlinking."
2706                                 else
2707                                         ln -s $src/$filename $filename
2708                                 fi
2709                         done
2710                         # Sanity check 2.
2711                         if test ! -f t/base/lex.t; then
2712                                 echo "Failed to create the symlinks (t/base/lex.t missing).  Aborting." >&4
2713                                 exit 1
2714                         fi
2715                         cd UU
2716                         ;;
2717                 *)      echo "(I cannot figure out how to do symbolic links, ignoring mksymlinks)." >&4
2718                         ;;
2719                 esac
2720                 ;;
2721         esac
2722         ;;
2723 esac
2724
2725 : Check for Cross-Compilation
2726 case "$usecrosscompile" in
2727 $define|true|[yY]*)
2728         $echo "Cross-compiling..."
2729         croak=''
2730         case "$cc" in
2731         *-*-gcc) # A cross-compiling gcc, probably.
2732             targetarch=`$echo $cc|$sed 's/-gcc$//'`
2733             ar=$targetarch-ar
2734             # leave out ld, choosing it is more complex
2735             nm=$targetarch-nm
2736             ranlib=$targetarch-ranlib
2737             $echo 'extern int foo;' > try.c
2738             set X `$cc -v -E try.c 2>&1 | $awk '/^#include </,/^End of search /'|$grep '/include'`
2739             shift
2740             if $test $# -gt 0; then
2741                 incpth="$incpth $*"
2742                 incpth="`$echo $incpth|$sed 's/^ //'`"
2743                 echo "Guessing incpth '$incpth'." >&4
2744                 for i in $*; do
2745                     j="`$echo $i|$sed 's,/include$,/lib,'`"
2746                     if $test -d $j; then
2747                         libpth="$libpth $j"
2748                     fi
2749                 done   
2750                 libpth="`$echo $libpth|$sed 's/^ //'`"
2751                 echo "Guessing libpth '$libpth'." >&4
2752             fi
2753             $rm -f try.c
2754             ;;
2755         esac
2756         case "$targetarch" in
2757         '') echo "Targetarch not defined." >&4; croak=y ;;
2758         *)  echo "Using targetarch $targetarch." >&4 ;;
2759         esac
2760         case "$incpth" in
2761         '') echo "Incpth not defined." >&4; croak=y ;;
2762         *)  echo "Using incpth '$incpth'." >&4 ;;
2763         esac
2764         case "$libpth" in
2765         '') echo "Libpth not defined." >&4; croak=y ;;
2766         *)  echo "Using libpth '$libpth'." >&4 ;;
2767         esac
2768         case "$usrinc" in
2769         '') for i in $incpth; do
2770                 if $test -f $i/errno.h -a -f $i/stdio.h -a -f $i/time.h; then
2771                     usrinc=$i
2772                     echo "Guessing usrinc $usrinc." >&4
2773                     break
2774                 fi
2775             done
2776             case "$usrinc" in
2777             '') echo "Usrinc not defined." >&4; croak=y ;;
2778             esac
2779             ;;
2780         *)  echo "Using usrinc $usrinc." >&4 ;;
2781         esac
2782         case "$targethost" in
2783         '') echo "Targethost not defined." >&4; croak=y ;;
2784         *)  echo "Using targethost $targethost." >&4
2785         esac
2786         locincpth=' '
2787         loclibpth=' '
2788         case "$croak" in
2789         y) echo "Cannot continue, aborting." >&4; exit 1 ;;
2790         esac
2791         case "$src" in
2792         /*) run=$src/Cross/run
2793             targetmkdir=$src/Cross/mkdir
2794             to=$src/Cross/to
2795             from=$src/Cross/from
2796             ;;
2797         *)  pwd=`$test -f ../Configure & cd ..; pwd`
2798             run=$pwd/Cross/run
2799             targetmkdir=$pwd/Cross/mkdir
2800             to=$pwd/Cross/to
2801             from=$pwd/Cross/from
2802             ;;
2803         esac
2804         case "$targetrun" in
2805         '') targetrun=ssh ;;
2806         esac
2807         case "$targetto" in
2808         '') targetto=scp ;;
2809         esac
2810         case "$targetfrom" in
2811         '') targetfrom=scp ;;
2812         esac
2813         run=$run-$targetrun
2814         to=$to-$targetto
2815         from=$from-$targetfrom
2816         case "$targetdir" in
2817         '')  targetdir=/tmp
2818              echo "Guessing targetdir $targetdir." >&4
2819              ;;
2820         esac
2821         case "$targetuser" in
2822         '')  targetuser=root
2823              echo "Guessing targetuser $targetuser." >&4
2824              ;;
2825         esac
2826         case "$targetfrom" in
2827         scp)    q=-q ;;
2828         *)      q='' ;;
2829         esac
2830         case "$targetrun" in
2831         ssh|rsh)
2832             cat >$run <<EOF
2833 #!/bin/sh
2834 case "\$1" in
2835 -cwd)
2836   shift
2837   cwd=\$1
2838   shift
2839   ;;
2840 esac
2841 case "\$cwd" in
2842 '') cwd=$targetdir ;;
2843 esac
2844 exe=\$1
2845 shift
2846 if $test ! -f \$exe.xok; then
2847   $to \$exe
2848   $touch \$exe.xok
2849 fi
2850 $targetrun -l $targetuser $targethost "cd \$cwd && ./\$exe \$@"
2851 EOF
2852             ;;
2853         *)  echo "Unknown targetrun '$targetrun'" >&4
2854             exit 1
2855             ;;
2856         esac
2857         case "$targetmkdir" in
2858         */Cross/mkdir)
2859             cat >$targetmkdir <<EOF
2860 #!/bin/sh
2861 $targetrun -l $targetuser $targethost "mkdir -p \$@"
2862 EOF
2863             $chmod a+rx $targetmkdir
2864             ;;
2865         *)  echo "Unknown targetmkdir '$targetmkdir'" >&4
2866             exit 1
2867             ;;
2868         esac
2869         case "$targetto" in
2870         scp|rcp)
2871             cat >$to <<EOF
2872 #!/bin/sh
2873 for f in \$@
2874 do
2875   case "\$f" in
2876   /*)
2877     $targetmkdir \`dirname \$f\`
2878     $targetto $q \$f $targetuser@$targethost:\$f            || exit 1
2879     ;;
2880   *)
2881     $targetmkdir $targetdir/\`dirname \$f\`
2882     $targetto $q \$f $targetuser@$targethost:$targetdir/\$f || exit 1
2883     ;;
2884   esac
2885 done
2886 exit 0
2887 EOF
2888             ;;
2889         cp) cat >$to <<EOF
2890 #!/bin/sh
2891 for f in \$@
2892 do
2893   case "\$f" in
2894   /*)
2895     $mkdir -p $targetdir/\`dirname \$f\`
2896     $cp \$f $targetdir/\$f || exit 1
2897     ;;
2898   *)
2899     $targetmkdir $targetdir/\`dirname \$f\`
2900     $cp \$f $targetdir/\$f || exit 1
2901     ;;
2902   esac
2903 done
2904 exit 0
2905 EOF
2906             ;;
2907         *)  echo "Unknown targetto '$targetto'" >&4
2908             exit 1
2909             ;;
2910         esac
2911         case "$targetfrom" in
2912         scp|rcp)
2913           cat >$from <<EOF
2914 #!/bin/sh
2915 for f in \$@
2916 do
2917   $rm -f \$f
2918   $targetfrom $q $targetuser@$targethost:$targetdir/\$f . || exit 1
2919 done
2920 exit 0
2921 EOF
2922             ;;
2923         cp) cat >$from <<EOF
2924 #!/bin/sh
2925 for f in \$@
2926 do
2927   $rm -f \$f
2928   cp $targetdir/\$f . || exit 1
2929 done
2930 exit 0
2931 EOF
2932             ;;
2933         *)  echo "Unknown targetfrom '$targetfrom'" >&4
2934             exit 1
2935             ;;
2936         esac
2937         if $test ! -f $run; then
2938             echo "Target 'run' script '$run' not found." >&4
2939         else
2940             $chmod a+rx $run
2941         fi
2942         if $test ! -f $to; then
2943             echo "Target 'to' script '$to' not found." >&4
2944         else
2945             $chmod a+rx $to
2946         fi
2947         if $test ! -f $from; then
2948             echo "Target 'from' script '$from' not found." >&4
2949         else
2950             $chmod a+rx $from
2951         fi
2952         if $test ! -f $run -o ! -f $to -o ! -f $from; then
2953             exit 1
2954         fi
2955         cat >&4 <<EOF
2956 Using '$run' for remote execution,
2957 and '$from' and '$to'
2958 for remote file transfer.
2959 EOF
2960         ;;
2961 *)      run=''
2962         to=:
2963         from=:
2964         usecrosscompile='undef'
2965         targetarch=''
2966         ;;
2967 esac
2968
2969 : see whether [:lower:] and [:upper:] are supported character classes
2970 echo " "
2971 case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
2972 ABYZ)
2973         echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4
2974         up='[:upper:]'
2975         low='[:lower:]'
2976         ;;
2977 *)      # There is a discontinuity in EBCDIC between 'R' and 'S'
2978         # (0xd9 and 0xe2), therefore that is a nice testing point.
2979         if test "X$up" = X -o "X$low" = X; then
2980             case "`echo RS | $tr '[R-S]' '[r-s]' 2>/dev/null`" in
2981             rs) up='[A-Z]'
2982                 low='[a-z]'
2983                 ;;
2984             esac
2985         fi
2986         if test "X$up" = X -o "X$low" = X; then
2987             case "`echo RS | $tr R-S r-s 2>/dev/null`" in
2988             rs) up='A-Z'
2989                 low='a-z'
2990                 ;;
2991             esac
2992         fi
2993         if test "X$up" = X -o "X$low" = X; then
2994             case "`echo RS | od -x 2>/dev/null`" in
2995             *D9E2*|*d9e2*)
2996                 echo "Hey, this might be EBCDIC." >&4
2997                 if test "X$up" = X -o "X$low" = X; then
2998                     case "`echo RS | $tr '[A-IJ-RS-Z]' '[a-ij-rs-z]' 2>/dev/null`" in
2999                     rs) up='[A-IJ-RS-Z]'
3000                         low='[a-ij-rs-z]'
3001                         ;;
3002                     esac
3003                 fi
3004                 if test "X$up" = X -o "X$low" = X; then
3005                     case "`echo RS | $tr A-IJ-RS-Z a-ij-rs-z 2>/dev/null`" in
3006                     rs) up='A-IJ-RS-Z'
3007                         low='a-ij-rs-z'
3008                         ;;
3009                     esac
3010                 fi
3011                 ;;
3012             esac
3013         fi
3014 esac
3015 case "`echo RS | $tr \"$up\" \"$low\" 2>/dev/null`" in
3016 rs)
3017     echo "Using $up and $low to convert case." >&4
3018     ;;
3019 *)
3020     echo "I don't know how to translate letters from upper to lower case." >&4
3021     echo "Your tr is not acting any way I know of." >&4
3022     exit 1
3023     ;;
3024 esac
3025 : set up the translation script tr, must be called with ./tr of course
3026 cat >tr <<EOSC
3027 $startsh
3028 case "\$1\$2" in
3029 '[A-Z][a-z]') exec $tr '$up' '$low';;
3030 '[a-z][A-Z]') exec $tr '$low' '$up';;
3031 esac
3032 exec $tr "\$@"
3033 EOSC
3034 chmod +x tr
3035 $eunicefix tr
3036
3037 : Try to determine whether config.sh was made on this system
3038 case "$config_sh" in
3039 '')
3040 myuname=`$uname -a 2>/dev/null`
3041 $test -z "$myuname" && myuname=`hostname 2>/dev/null`
3042 # tr '[A-Z]' '[a-z]' would not work in EBCDIC
3043 # because the A-Z/a-z are not consecutive.
3044 myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e "s,['/],,g" | \
3045         ./tr '[A-Z]' '[a-z]' | $tr $trnl ' '`
3046 newmyuname="$myuname"
3047 dflt=n
3048 case "$knowitall" in
3049 '')
3050         if test -f ../config.sh; then
3051                 if $contains myuname= ../config.sh >/dev/null 2>&1; then
3052                         eval "`grep myuname= ../config.sh`"
3053                 fi
3054                 if test "X$myuname" = "X$newmyuname"; then
3055                         dflt=y
3056                 fi
3057         fi
3058         ;;
3059 *) dflt=y;;
3060 esac
3061
3062 : Get old answers from old config file if Configure was run on the
3063 : same system, otherwise use the hints.
3064 hint=default
3065 cd ..
3066 if test -f config.sh; then
3067         echo " "
3068         rp="I see a config.sh file.  Shall I use it to set the defaults?"
3069         . UU/myread
3070         case "$ans" in
3071         n*|N*) echo "OK, I'll ignore it."
3072                 mv config.sh config.sh.old
3073                 myuname="$newmyuname"
3074                 ;;
3075         *)  echo "Fetching default answers from your old config.sh file..." >&4
3076                 tmp_n="$n"
3077                 tmp_c="$c"
3078                 tmp_sh="$sh"
3079                 . ./config.sh
3080                 cp config.sh UU
3081                 n="$tmp_n"
3082                 c="$tmp_c"
3083                 : Older versions did not always set $sh.  Catch re-use of such
3084                 : an old config.sh.
3085                 case "$sh" in
3086                 '') sh="$tmp_sh" ;;
3087                 esac
3088                 hint=previous
3089                 ;;
3090         esac
3091 fi
3092 . ./UU/checkcc
3093 if test ! -f config.sh; then
3094         $cat <<EOM
3095
3096 First time through, eh?  I have some defaults handy for some systems
3097 that need some extra help getting the Configure answers right:
3098
3099 EOM
3100         (cd $src/hints; ls -C *.sh) | $sed 's/\.sh/   /g' >&4
3101         dflt=''
3102         : Half the following guesses are probably wrong... If you have better
3103         : tests or hints, please send them to perlbug@perl.org
3104         : The metaconfig authors would also appreciate a copy...
3105         $test -f /irix && osname=irix
3106         $test -f /xenix && osname=sco_xenix
3107         $test -f /dynix && osname=dynix
3108         $test -f /dnix && osname=dnix
3109         $test -f /lynx.os && osname=lynxos
3110         $test -f /unicos && osname=unicos && osvers=`$uname -r`
3111         $test -f /unicosmk && osname=unicosmk && osvers=`$uname -r`
3112         $test -f /unicosmk.ar && osname=unicosmk && osvers=`$uname -r`
3113         $test -f /bin/mips && /bin/mips && osname=mips
3114         $test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \
3115                 $sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4
3116         $test -d /usr/apollo/bin && osname=apollo
3117         $test -f /etc/saf/_sactab && osname=svr4
3118         $test -d /usr/include/minix && osname=minix
3119         $test -f /system/gnu_library/bin/ar.pm && osname=vos
3120         if $test -d /MachTen -o -d /MachTen_Folder; then
3121                 osname=machten
3122                 if $test -x /sbin/version; then
3123                         osvers=`/sbin/version | $awk '{print $2}' |
3124                         $sed -e 's/[A-Za-z]$//'`
3125                 elif $test -x /usr/etc/version; then
3126                         osvers=`/usr/etc/version | $awk '{print $2}' |
3127                         $sed -e 's/[A-Za-z]$//'`
3128                 else
3129                         osvers="$2.$3"
3130                 fi
3131         fi
3132
3133         $test -f /sys/posix.dll &&
3134                 $test -f /usr/bin/what &&
3135                 set X `/usr/bin/what /sys/posix.dll` &&
3136                 $test "$3" = UWIN &&
3137                 osname=uwin &&
3138                 osvers="$5"
3139
3140         if $test -f $uname; then
3141                 set X $myuname
3142                 shift
3143
3144                 case "$5" in
3145                 fps*) osname=fps ;;
3146                 mips*)
3147                         case "$4" in
3148                         umips) osname=umips ;;
3149                         *) osname=mips ;;
3150                         esac;;
3151                 [23]100) osname=mips ;;
3152                 next*) osname=next ;;
3153                 i386*)
3154                         tmp=`/bin/uname -X 2>/dev/null|awk '/3\.2v[45]/{ print $(NF) }'`
3155                         if $test "$tmp" != "" -a "$3" = "3.2" -a -f '/etc/systemid'; then
3156                                 osname='sco'
3157                                 osvers=$tmp
3158                         elif $test -f /etc/kconfig; then
3159                                 osname=isc
3160                                 if test "$lns" = "$ln -s"; then
3161                                         osvers=4
3162                                 elif $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then
3163                                         osvers=3
3164                                 elif $contains _POSIX_SOURCE /usr/include/stdio.h > /dev/null 2>&1 ; then
3165                                         osvers=2
3166                                 fi
3167                         fi
3168                         tmp=''
3169                         ;;
3170                 pc*)
3171                         if test -n "$DJGPP"; then
3172                                 osname=dos
3173                                 osvers=djgpp
3174                         fi
3175                         ;;
3176                 esac
3177
3178                 case "$1" in
3179                 aix) osname=aix
3180                         tmp=`( (oslevel) 2>/dev/null || echo "not found") 2>&1`
3181                         case "$tmp" in
3182                         # oslevel can fail with:
3183                         # oslevel: Unable to acquire lock.
3184                         *not\ found) osvers="$4"."$3" ;;
3185                         '<3240'|'<>3240') osvers=3.2.0 ;;
3186                         '=3240'|'>3240'|'<3250'|'<>3250') osvers=3.2.4 ;;
3187                         '=3250'|'>3250') osvers=3.2.5 ;;
3188                         *) osvers=$tmp;;
3189                         esac
3190                         ;;
3191                 bsd386) osname=bsd386
3192                         osvers=`$uname -r`
3193                         ;;
3194                 cygwin*) osname=cygwin
3195                         osvers="$3"
3196                         ;;
3197                 *dc.osx) osname=dcosx
3198                         osvers="$3"
3199                         ;;
3200                 dnix) osname=dnix
3201                         osvers="$3"
3202                         ;;
3203                 domainos) osname=apollo
3204                         osvers="$3"
3205                         ;;
3206                 dgux)   osname=dgux
3207                         osvers="$3"
3208                         ;;
3209                 dragonfly) osname=dragonfly
3210                         osvers="$3"
3211                         ;;
3212                 dynixptx*) osname=dynixptx
3213                         osvers=`echo "$4"|sed 's/^v//'`
3214                         ;;
3215                 freebsd) osname=freebsd
3216                         osvers="$3" ;;
3217                 genix)  osname=genix ;;
3218                 gnu)    osname=gnu
3219                         osvers="$3" ;;
3220                 hp*)    osname=hpux
3221                         osvers=`echo "$3" | $sed 's,.*\.\([0-9]*\.[0-9]*\),\1,'`
3222                         ;;
3223                 irix*)  osname=irix
3224                         case "$3" in
3225                         4*) osvers=4 ;;
3226                         5*) osvers=5 ;;
3227                         *)      osvers="$3" ;;
3228                         esac
3229                         ;;
3230                 linux)  osname=linux
3231                         case "$3" in
3232                         *)      osvers="$3" ;;
3233                         esac
3234                         ;;
3235                 MiNT)   osname=mint
3236                         ;;
3237                 netbsd*) osname=netbsd
3238                         osvers="$3"
3239                         ;;
3240                 news-os) osvers="$3"
3241                         case "$3" in
3242                         4*) osname=newsos4 ;;
3243                         *) osname=newsos ;;
3244                         esac
3245                         ;;
3246                 next*) osname=next ;;
3247                 nonstop-ux) osname=nonstopux ;;
3248                 openbsd) osname=openbsd
3249                         osvers="$3"
3250                         ;;
3251                 os2)    osname=os2
3252                         osvers="$4"
3253                         ;;
3254                 POSIX-BC | posix-bc ) osname=posix-bc
3255                         osvers="$3"
3256                         ;;
3257                 powerux | power_ux | powermax_os | powermaxos | \
3258                 powerunix | power_unix) osname=powerux
3259                         osvers="$3"
3260                         ;;
3261                 qnx) osname=qnx
3262                         osvers="$4"
3263                         ;;
3264                 solaris) osname=solaris
3265                         case "$3" in
3266                         5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;;
3267                         *)      osvers="$3" ;;
3268                         esac
3269                         ;;
3270                 sunos) osname=sunos
3271                         case "$3" in
3272                         5*) osname=solaris
3273                                 osvers=`echo $3 | $sed 's/^5/2/g'` ;;
3274                         *)      osvers="$3" ;;
3275                         esac
3276                         ;;
3277                 titanos) osname=titanos
3278                         case "$3" in
3279                         1*) osvers=1 ;;
3280                         2*) osvers=2 ;;
3281                         3*) osvers=3 ;;
3282                         4*) osvers=4 ;;
3283                         *)      osvers="$3" ;;
3284                         esac
3285                         ;;
3286                 ultrix) osname=ultrix
3287                         osvers="$3"
3288                         ;;
3289                 osf1|mls+)      case "$5" in
3290                                 alpha)
3291                                         osname=dec_osf
3292                                         osvers=`sizer -v | awk -FUNIX '{print $2}' | awk '{print $1}' |  tr '[A-Z]' '[a-z]' | sed 's/^[xvt]//'`
3293                                         case "$osvers" in
3294                                         [1-9].[0-9]*) ;;
3295                                         *) osvers=`echo "$3" | sed 's/^[xvt]//'` ;;
3296                                         esac
3297                                         ;;
3298                         hp*)    osname=hp_osf1  ;;
3299                         mips)   osname=mips_osf1 ;;
3300                         esac
3301                         ;;
3302                 # UnixWare 7.1.2 is known as Open UNIX 8
3303                 openunix|unixware) osname=svr5
3304                         osvers="$4"
3305                         ;;
3306                 uts)    osname=uts
3307                         osvers="$3"
3308                         ;;
3309                 vos) osvers="$3"
3310                         ;;
3311                 $2) case "$osname" in
3312                         *isc*) ;;
3313                         *freebsd*) ;;
3314                         svr*)
3315                                 : svr4.x or possibly later
3316                                 case "svr$3" in
3317                                 ${osname}*)
3318                                         osname=svr$3
3319                                         osvers=$4
3320                                         ;;
3321                                 esac
3322                                 case "$osname" in
3323                                 svr4.0)
3324                                         : Check for ESIX
3325                                         if test -f /stand/boot ; then
3326                                                 eval `grep '^INITPROG=[a-z/0-9]*$' /stand/boot`
3327                                                 if test -n "$INITPROG" -a -f "$INITPROG"; then
3328                         isesix=`strings -a $INITPROG|grep 'ESIX SYSTEM V/386 Release 4.0'`
3329                                                         if test -n "$isesix"; then
3330                                                                 osname=esix4
3331                                                         fi
3332                                                 fi
3333                                         fi
3334                                         ;;
3335                                 esac
3336                                 ;;
3337                         *)      if test -f /etc/systemid; then
3338                                         osname=sco
3339                                         set `echo $3 | $sed 's/\./ /g'` $4
3340                                         if $test -f $src/hints/sco_$1_$2_$3.sh; then
3341                                                 osvers=$1.$2.$3
3342                                         elif $test -f $src/hints/sco_$1_$2.sh; then
3343                                                 osvers=$1.$2
3344                                         elif $test -f $src/hints/sco_$1.sh; then
3345                                                 osvers=$1
3346                                         fi
3347                                 else
3348                                         case "$osname" in
3349                                         '') : Still unknown.  Probably a generic Sys V.
3350                                                 osname="sysv"
3351                                                 osvers="$3"
3352                                                 ;;
3353                                         esac
3354                                 fi
3355                                 ;;
3356                         esac
3357                         ;;
3358                 *)      case "$osname" in
3359                         '') : Still unknown.  Probably a generic BSD.
3360                                 osname="$1"
3361                                 osvers="$3"
3362                                 ;;
3363                         esac
3364                         ;;
3365                 esac
3366         else
3367                 if test -f /vmunix -a -f $src/hints/news_os.sh; then
3368                         (what /vmunix | UU/tr '[A-Z]' '[a-z]') > UU/kernel.what 2>&1
3369                         if $contains news-os UU/kernel.what >/dev/null 2>&1; then
3370                                 osname=news_os
3371                         fi
3372                         $rm -f UU/kernel.what
3373                 elif test -d c:/. -o -n "$is_os2" ; then
3374                         set X $myuname
3375                         osname=os2
3376                         osvers="$5"
3377                 fi
3378         fi
3379
3380         case "$targetarch" in
3381         '') ;;
3382         *)  hostarch=$osname
3383             osname=`echo $targetarch|sed 's,^[^-]*-,,'`
3384             osvers=''
3385             ;;
3386         esac
3387
3388         : Now look for a hint file osname_osvers, unless one has been
3389         : specified already.
3390         case "$hintfile" in
3391         ''|' ')
3392                 file=`echo "${osname}_${osvers}" | $sed -e 's%\.%_%g' -e 's%_$%%'`
3393                 : Also try without trailing minor version numbers.
3394                 xfile=`echo $file | $sed -e 's%_[^_]*$%%'`
3395                 xxfile=`echo $xfile | $sed -e 's%_[^_]*$%%'`
3396                 xxxfile=`echo $xxfile | $sed -e 's%_[^_]*$%%'`
3397                 xxxxfile=`echo $xxxfile | $sed -e 's%_[^_]*$%%'`
3398                 case "$file" in
3399                 '') dflt=none ;;
3400                 *)  case "$osvers" in
3401                         '') dflt=$file
3402                                 ;;
3403                         *)  if $test -f $src/hints/$file.sh ; then
3404                                         dflt=$file
3405                                 elif $test -f $src/hints/$xfile.sh ; then
3406                                         dflt=$xfile
3407                                 elif $test -f $src/hints/$xxfile.sh ; then
3408                                         dflt=$xxfile
3409                                 elif $test -f $src/hints/$xxxfile.sh ; then
3410                                         dflt=$xxxfile
3411                                 elif $test -f $src/hints/$xxxxfile.sh ; then
3412                                         dflt=$xxxxfile
3413                                 elif $test -f "$src/hints/${osname}.sh" ; then
3414                                         dflt="${osname}"
3415                                 else
3416                                         dflt=none
3417                                 fi
3418                                 ;;
3419                         esac
3420                         ;;
3421                 esac
3422                 if $test -f Policy.sh ; then
3423                         case "$dflt" in
3424                         *Policy*) ;;
3425                         none) dflt="Policy" ;;
3426                         *) dflt="Policy $dflt" ;;
3427                         esac
3428                 fi
3429                 ;;
3430         *)
3431                 dflt=`echo $hintfile | $sed 's/\.sh$//'`
3432                 ;;
3433         esac
3434
3435         if $test -f Policy.sh ; then
3436                 $cat <<EOM
3437
3438 There's also a Policy hint file available, which should make the
3439 site-specific (policy) questions easier to answer.
3440 EOM
3441
3442         fi
3443
3444         $cat <<EOM
3445
3446 You may give one or more space-separated answers, or "none" if appropriate.
3447 If you have a handcrafted Policy.sh file or a Policy.sh file generated by a
3448 previous run of Configure, you may specify it as well as or instead of
3449 OS-specific hints.  If hints are provided for your OS, you should use them:
3450 although Perl can probably be built without hints on many platforms, using
3451 hints often improve performance and may enable features that Configure can't
3452 set up on its own. If there are no hints that match your OS, specify "none";
3453 DO NOT give a wrong version or a wrong OS.
3454
3455 EOM
3456
3457         rp="Which of these apply, if any?"
3458         . UU/myread
3459         tans=$ans
3460         for file in $tans; do
3461                 if $test X$file = XPolicy -a -f Policy.sh; then
3462                         . Policy.sh
3463                         $cat Policy.sh >> UU/config.sh
3464                 elif $test -f $src/hints/$file.sh; then
3465                         . $src/hints/$file.sh
3466                         $cat $src/hints/$file.sh >> UU/config.sh
3467                 elif $test X"$tans" = X -o X"$tans" = Xnone ; then
3468                         : nothing
3469                 else
3470                         : Give one chance to correct a possible typo.
3471                         echo "$file.sh does not exist"
3472                         dflt=$file
3473                         rp="hint to use instead?"
3474                         . UU/myread
3475                         for file in $ans; do
3476                                 if $test -f "$src/hints/$file.sh"; then
3477                                         . $src/hints/$file.sh
3478                                         $cat $src/hints/$file.sh >> UU/config.sh
3479                                 elif $test X$ans = X -o X$ans = Xnone ; then
3480                                         : nothing
3481                                 else
3482                                         echo "$file.sh does not exist -- ignored."
3483                                 fi
3484                         done
3485                 fi
3486         done
3487
3488         hint=recommended
3489         : Remember our hint file for later.
3490         if $test -f "$src/hints/$file.sh" ; then
3491                 hintfile="$file"
3492         else
3493                 hintfile=''
3494         fi
3495 fi
3496 cd UU
3497 ;;
3498 *)
3499         echo " "
3500         echo "Fetching default answers from $config_sh..." >&4
3501         tmp_n="$n"
3502         tmp_c="$c"
3503         cd ..
3504         cp $config_sh config.sh 2>/dev/null
3505         chmod +w config.sh
3506         . ./config.sh
3507         cd UU
3508         cp ../config.sh .
3509         n="$tmp_n"
3510         c="$tmp_c"
3511         hint=previous
3512         ;;
3513 esac
3514 test "$override" && . ./optdef.sh
3515
3516 : Restore computed paths
3517 for file in $loclist $trylist; do
3518         eval $file="\$_$file"
3519 done
3520
3521 cat << EOM
3522
3523 Configure uses the operating system name and version to set some defaults.
3524 The default value is probably right if the name rings a bell. Otherwise,
3525 since spelling matters for me, either accept the default or answer "none"
3526 to leave it blank.
3527
3528 EOM
3529 case "$osname" in
3530         ''|' ')
3531                 case "$hintfile" in
3532                 ''|' '|none) dflt=none ;;
3533                 *)  dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/_.*$//'` ;;
3534                 esac
3535                 ;;
3536         *) dflt="$osname" ;;
3537 esac
3538 rp="Operating system name?"
3539 . ./myread
3540 case "$ans" in
3541 none)  osname='' ;;
3542 *) osname=`echo "$ans" | $sed -e 's/[   ][      ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;;
3543 esac
3544 echo " "
3545 case "$osvers" in
3546         ''|' ')
3547                 case "$hintfile" in
3548                 ''|' '|none) dflt=none ;;
3549                 *)      dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'`
3550                         dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'`
3551                         case "$dflt" in
3552                         ''|' ') dflt=none ;;
3553                         esac
3554                         ;;
3555                 esac
3556                 ;;
3557         *) dflt="$osvers" ;;
3558 esac
3559 rp="Operating system version?"
3560 . ./myread
3561 case "$ans" in
3562 none)  osvers='' ;;
3563 *) osvers="$ans" ;;
3564 esac
3565
3566
3567 . ./posthint.sh
3568
3569 : who configured the system
3570 cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
3571 case "$cf_by" in
3572 "")
3573         cf_by=`(logname) 2>/dev/null`
3574         case "$cf_by" in
3575         "")
3576                 cf_by=`(whoami) 2>/dev/null`
3577                 case "$cf_by" in
3578                 "") cf_by=unknown ;;
3579                 esac ;;
3580         esac ;;
3581 esac
3582
3583 : decide how portable to be.  Allow command line overrides.
3584 case "$d_portable" in
3585 "$undef") ;;
3586 *)      d_portable="$define" ;;
3587 esac
3588
3589 : set up shell script to do ~ expansion
3590 cat >filexp <<EOSS
3591 $startsh
3592 : expand filename
3593 case "\$1" in
3594  ~/*|~)
3595         echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
3596         ;;
3597  ~*)
3598         if $test -f /bin/csh; then
3599                 /bin/csh -f -c "glob \$1"
3600                 failed=\$?
3601                 echo ""
3602                 exit \$failed
3603         else
3604                 name=\`$expr x\$1 : '..\([^/]*\)'\`
3605                 dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
3606                 if $test ! -d "\$dir"; then
3607                         me=\`basename \$0\`
3608                         echo "\$me: can't locate home directory for: \$name" >&2
3609                         exit 1
3610                 fi
3611                 case "\$1" in
3612                 */*)
3613                         echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
3614                         ;;
3615                 *)
3616                         echo \$dir
3617                         ;;
3618                 esac
3619         fi
3620         ;;
3621 *)
3622         echo \$1
3623         ;;
3624 esac
3625 EOSS
3626 chmod +x filexp
3627 $eunicefix filexp
3628
3629 : now set up to get a file name
3630 cat <<EOS >getfile
3631 $startsh
3632 EOS
3633 cat <<'EOSC' >>getfile
3634 tilde=''
3635 fullpath=''
3636 already=''
3637 skip=''
3638 none_ok=''
3639 exp_file=''
3640 nopath_ok=''
3641 orig_rp="$rp"
3642 orig_dflt="$dflt"
3643 case "$gfpth" in
3644 '') gfpth='.' ;;
3645 esac
3646
3647 case "$fn" in
3648 *\(*)
3649         : getfile will accept an answer from the comma-separated list
3650         : enclosed in parentheses even if it does not meet other criteria.
3651         expr "$fn" : '.*(\(.*\)).*' | $tr ',' $trnl >getfile.ok
3652         fn=`echo $fn | sed 's/(.*)//'`
3653         ;;
3654 esac
3655
3656 case "$fn" in
3657 *:*)
3658         loc_file=`expr $fn : '.*:\(.*\)'`
3659         fn=`expr $fn : '\(.*\):.*'`
3660         ;;
3661 esac
3662
3663 case "$fn" in
3664 *~*) tilde=true;;
3665 esac
3666 case "$fn" in
3667 */*) fullpath=true;;
3668 esac
3669 case "$fn" in
3670 *+*) skip=true;;
3671 esac
3672 case "$fn" in
3673 *n*) none_ok=true;;
3674 esac
3675 case "$fn" in
3676 *e*) exp_file=true;;
3677 esac
3678 case "$fn" in
3679 *p*) nopath_ok=true;;
3680 esac
3681
3682 case "$fn" in
3683 *f*) type='File';;
3684 *d*) type='Directory';;
3685 *l*) type='Locate';;
3686 esac
3687
3688 what="$type"
3689 case "$what" in
3690 Locate) what='File';;
3691 esac
3692
3693 case "$exp_file" in
3694 '')
3695         case "$d_portable" in
3696         "$define") ;;
3697         *) exp_file=true;;
3698         esac
3699         ;;
3700 esac
3701
3702 cd ..
3703 while test "$type"; do
3704         redo=''
3705         rp="$orig_rp"
3706         dflt="$orig_dflt"
3707         case "$tilde" in
3708         true) rp="$rp (~name ok)";;
3709         esac
3710         . UU/myread
3711         if test -f UU/getfile.ok && \
3712                 $contains "^$ans\$" UU/getfile.ok >/dev/null 2>&1
3713         then
3714                 value="$ans"
3715                 ansexp="$ans"
3716                 break
3717         fi
3718         case "$ans" in
3719         none)
3720                 value=''
3721                 ansexp=''
3722                 case "$none_ok" in
3723                 true) type='';;
3724                 esac
3725                 ;;
3726         *)
3727                 case "$tilde" in
3728                 '') value="$ans"
3729                         ansexp="$ans";;
3730                 *)
3731                         value=`UU/filexp $ans`
3732                         case $? in
3733                         0)
3734                                 if test "$ans" != "$value"; then
3735                                         echo "(That expands to $value on this system.)"
3736                                 fi
3737                                 ;;
3738                         *) value="$ans";;
3739                         esac
3740                         ansexp="$value"
3741                         case "$exp_file" in
3742                         '') value="$ans";;
3743                         esac
3744                         ;;
3745                 esac
3746                 case "$fullpath" in
3747                 true)
3748                         case "$ansexp" in
3749                         /*) value="$ansexp" ;;
3750                         [a-zA-Z]:/*) value="$ansexp" ;;
3751                         *)
3752                                 redo=true
3753                                 case "$already" in
3754                                 true)
3755                                 echo "I shall only accept a full path name, as in /bin/ls." >&4
3756                                 echo "Use a ! shell escape if you wish to check pathnames." >&4
3757                                         ;;
3758                                 *)
3759                                 echo "Please give a full path name, starting with slash." >&4
3760                                         case "$tilde" in
3761                                         true)
3762                                 echo "Note that using ~name is ok provided it expands well." >&4
3763                                                 already=true
3764                                                 ;;
3765                                         esac
3766                                 esac
3767                                 ;;
3768                         esac
3769                         ;;
3770                 esac
3771                 case "$redo" in
3772                 '')
3773                         case "$type" in
3774                         File)
3775                                 for fp in $gfpth; do
3776                                         if test "X$fp" = X.; then
3777                                             pf="$ansexp"
3778                                         else    
3779                                             pf="$fp/$ansexp"
3780                                         fi
3781                                         if test -f "$pf"; then
3782                                                 type=''
3783                                         elif test -r "$pf" || (test -h "$pf") >/dev/null 2>&1
3784                                         then
3785                                                 echo "($value is not a plain file, but that's ok.)"
3786                                                 type=''
3787                                         fi
3788                                         if test X"$type" = X; then
3789                                             value="$pf"
3790                                             break
3791                                         fi
3792                                 done
3793                                 ;;
3794                         Directory)
3795                                 for fp in $gfpth; do
3796                                         if test "X$fp" = X.; then
3797                                             dir="$ans"
3798                                             direxp="$ansexp"
3799                                         else    
3800                                             dir="$fp/$ansexp"
3801                                             direxp="$fp/$ansexp"
3802                                         fi
3803                                         if test -d "$direxp"; then
3804                                                 type=''
3805                                                 value="$dir"
3806                                                 break
3807                                         fi
3808                                 done
3809                                 ;;
3810                         Locate)
3811                                 if test -d "$ansexp"; then
3812                                         echo "(Looking for $loc_file in directory $value.)"
3813                                         value="$value/$loc_file"
3814                                         ansexp="$ansexp/$loc_file"
3815                                 fi
3816                                 if test -f "$ansexp"; then
3817                                         type=''
3818                                 fi
3819                                 case "$nopath_ok" in
3820                                 true)   case "$value" in
3821                                         */*) ;;
3822                                         *)      echo "Assuming $value will be in people's path."
3823                                                 type=''
3824                                                 ;;
3825                                         esac
3826                                         ;;
3827                                 esac
3828                                 ;;
3829                         esac
3830
3831                         case "$skip" in
3832                         true) type='';
3833                         esac
3834
3835                         case "$type" in
3836                         '') ;;
3837                         *)
3838                                 if test "$fastread" = yes; then
3839                                         dflt=y
3840                                 else
3841                                         dflt=n
3842                                 fi
3843                                 rp="$what $value doesn't exist.  Use that name anyway?"
3844                                 . UU/myread
3845                                 dflt=''
3846                                 case "$ans" in
3847                                 y*) type='';;
3848                                 *) echo " ";;
3849                                 esac
3850                                 ;;
3851                         esac
3852                         ;;
3853                 esac
3854                 ;;
3855         esac
3856 done
3857 cd UU
3858 ans="$value"
3859 rp="$orig_rp"
3860 dflt="$orig_dflt"
3861 rm -f getfile.ok
3862 test "X$gfpthkeep" != Xy && gfpth=""
3863 EOSC
3864
3865 : determine root of directory hierarchy where package will be installed.
3866 case "$prefix" in
3867 '')
3868         dflt=`./loc . /usr/local /usr/local /local /opt /usr`
3869         ;;
3870 *?/)
3871         dflt=`echo "$prefix" | sed 's/.$//'`
3872         ;;
3873 *)
3874         dflt="$prefix"
3875         ;;
3876 esac
3877 $cat <<EOM
3878
3879 By default, $package will be installed in $dflt/bin, manual pages
3880 under $dflt/man, etc..., i.e. with $dflt as prefix for all
3881 installation directories. Typically this is something like /usr/local.
3882 If you wish to have binaries under /usr/bin but other parts of the
3883 installation under /usr/local, that's ok: you will be prompted
3884 separately for each of the installation directories, the prefix being
3885 only used to set the defaults.
3886
3887 EOM
3888 fn=d~
3889 rp='Installation prefix to use?'
3890 . ./getfile
3891 oldprefix=''
3892 case "$prefix" in
3893 '') ;;
3894 *)
3895         case "$ans" in
3896         "$prefix") ;;
3897         *) oldprefix="$prefix";;
3898         esac
3899         ;;
3900 esac
3901 prefix="$ans"
3902 prefixexp="$ansexp"
3903
3904 case "$afsroot" in
3905 '')     afsroot=/afs ;;
3906 *)      afsroot=$afsroot ;;
3907 esac
3908
3909 : is AFS running?
3910 echo " "
3911 case "$afs" in
3912 $define|true)   afs=true ;;
3913 $undef|false)   afs=false ;;
3914 *)      if test -d $afsroot; then
3915                 afs=true
3916         else
3917                 afs=false
3918         fi
3919         ;;
3920 esac
3921 if $afs; then
3922         echo "AFS may be running... I'll be extra cautious then..." >&4
3923 else
3924         echo "AFS does not seem to be running..." >&4
3925 fi
3926
3927 : determine installation prefix for where package is to be installed.
3928 if $afs; then 
3929 $cat <<EOM
3930
3931 Since you are running AFS, I need to distinguish the directory in which
3932 files will reside from the directory in which they are installed (and from
3933 which they are presumably copied to the former directory by occult means).
3934
3935 EOM
3936         case "$installprefix" in
3937         '') dflt=`echo $prefix | sed 's#^/afs/#/afs/.#'`;;
3938         *) dflt="$installprefix";;
3939         esac
3940 else
3941 $cat <<EOM
3942
3943 In some special cases, particularly when building $package for distribution,
3944 it is convenient to distinguish the directory in which files should be
3945 installed from the directory ($prefix) in which they will
3946 eventually reside.  For most users, these two directories are the same.
3947
3948 EOM
3949         case "$installprefix" in
3950         '') dflt=$prefix ;;
3951         *) dflt=$installprefix;;
3952         esac
3953 fi
3954 fn=d~
3955 rp='What installation prefix should I use for installing files?'
3956 . ./getfile
3957 installprefix="$ans"
3958 installprefixexp="$ansexp"
3959
3960 : Perform the prefixexp/installprefixexp correction if necessary
3961 cat <<EOS >installprefix
3962 $startsh
3963 EOS
3964 cat <<'EOSC' >>installprefix
3965 : Change installation prefix, if necessary.
3966 if $test X"$prefix" != X"$installprefix"; then
3967     eval "install${prefixvar}=\`echo \$${prefixvar}exp | sed \"s#^\$prefixexp#\$installprefixexp#\"\`"
3968 else
3969     eval "install${prefixvar}=\"\$${prefixvar}exp\""
3970 fi
3971 EOSC
3972 chmod +x installprefix
3973 $eunicefix installprefix
3974
3975 : Set variables such as privlib and privlibexp from the output of ./getfile
3976 : performing the prefixexp/installprefixexp correction if necessary.
3977 cat <<EOS >setprefixvar
3978 $startsh
3979 EOS
3980 cat <<'EOSC' >>setprefixvar
3981 eval "${prefixvar}=\"\$ans\""
3982 eval "${prefixvar}exp=\"\$ansexp\""
3983 . ./installprefix
3984 EOSC
3985 chmod +x setprefixvar
3986 $eunicefix setprefixvar
3987
3988 : set up the script used to warn in case of inconsistency
3989 cat <<EOS >whoa
3990 $startsh
3991 EOS
3992 cat <<'EOSC' >>whoa
3993 dflt=y
3994 case "$hint" in
3995     recommended)
3996         case "$hintfile" in
3997         '')     echo "The $hint value for \$$var on this machine was \"$was\"!" >&4
3998                 ;;
3999         *)      echo "Hmm.  Based on the hints in hints/$hintfile.sh, " >&4
4000                 echo "the $hint value for \$$var on this machine was \"$was\"!" >&4
4001                 ;;
4002         esac
4003         ;;
4004     *)  echo " "
4005         echo "*** WHOA THERE!!! ***" >&4
4006         echo "    The $hint value for \$$var on this machine was \"$was\"!" >&4
4007         ;;
4008 esac
4009 rp="    Keep the $hint value?"
4010 . ./myread
4011 case "$ans" in
4012 y) td=$was; tu=$was;;
4013 esac
4014 EOSC
4015
4016 : function used to set $1 to $val
4017 setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
4018 case "$val$was" in
4019 $define$undef) . ./whoa; eval "$var=\$td";;
4020 $undef$define) . ./whoa; eval "$var=\$tu";;
4021 *) eval "$var=$val";;
4022 esac'
4023
4024 case "$usesocks" in
4025 $define|true|[yY]*)     dflt='y';;
4026 *) dflt='n';;
4027 esac
4028 cat <<EOM
4029
4030 Perl can be built to use the SOCKS proxy protocol library.  To do so,
4031 Configure must be run with -Dusesocks.  If you use SOCKS you also need
4032 to use the PerlIO abstraction layer, this will be implicitly selected.
4033
4034 If this doesn't make any sense to you, just accept the default '$dflt'.
4035 EOM
4036 rp='Build Perl for SOCKS?'
4037 . ./myread
4038 case "$ans" in
4039 y|Y)    val="$define" ;;
4040 *)      val="$undef" ;;
4041 esac
4042 set usesocks
4043 eval $setvar
4044
4045 case "$usesocks" in
4046 $define|true|[yY]*) useperlio="$define";;
4047 esac
4048
4049 case "$useperlio" in
4050 $define|true|[yY]*|'')  dflt='y';;
4051 *) dflt='n';;
4052 esac
4053 cat <<EOM
4054
4055 Previous version of $package used the standard IO mechanisms as
4056 defined in <stdio.h>.  Versions 5.003_02 and later of $package allow
4057 alternate IO mechanisms via the PerlIO abstraction layer, but the
4058 stdio mechanism is still available if needed.  The abstraction layer
4059 can use AT&T's sfio (if you already have sfio installed) or regular stdio.
4060 Using PerlIO with sfio may cause problems with some extension modules.
4061
4062 If this doesn't make any sense to you, just accept the default '$dflt'.
4063 EOM
4064 rp='Use the PerlIO abstraction layer?'
4065 . ./myread
4066 case "$ans" in
4067 y|Y) 
4068         val="$define"
4069         ;;
4070 *)      
4071         echo "Ok, doing things the stdio way."
4072         val="$undef"
4073         ;;
4074 esac
4075 set useperlio
4076 eval $setvar 
4077
4078 case "$usesocks" in
4079 $define|true|[yY]*)
4080         case "$useperlio" in
4081         $define|true|[yY]*) ;;
4082         *)      cat >&4 <<EOM
4083
4084 You are using the SOCKS proxy protocol library which means that you
4085 should also use the PerlIO layer.  You may be headed for trouble.
4086
4087 EOM
4088                 ;;
4089         esac
4090         ;;
4091 esac
4092
4093         
4094 : get the patchlevel
4095 echo " "
4096 echo "Getting the current patchlevel..." >&4
4097 if $test -r $rsrc/patchlevel.h;then
4098         revision=`awk '/define[         ]+PERL_REVISION/ {print $3}' $rsrc/patchlevel.h`
4099         patchlevel=`awk '/define[       ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
4100         subversion=`awk '/define[       ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
4101         api_revision=`awk '/define[     ]+PERL_API_REVISION/ {print $3}' $rsrc/patchlevel.h`
4102         api_version=`awk '/define[      ]+PERL_API_VERSION/ {print $3}' $rsrc/patchlevel.h`
4103         api_subversion=`awk '/define[   ]+PERL_API_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
4104         perl_patchlevel=`egrep ',"(MAINT|SMOKE)[0-9][0-9]*"' $rsrc/patchlevel.h|tail -1|sed 's/[^0-9]//g'`
4105 else
4106         revision=0
4107         patchlevel=0
4108         subversion=0
4109         api_revision=0
4110         api_version=0
4111         api_subversion=0
4112         perl_patchlevel=0
4113         $echo "(You do not have patchlevel.h.  Eek.)"
4114 fi
4115 if $test -r $rsrc/.patch ; then
4116         if $test "X$perl_patchlevel" = "X" || $test "`cat $rsrc/.patch`" -gt "$perl_patchlevel" ; then
4117                 perl_patchlevel=`cat $rsrc/.patch`
4118         fi
4119 fi
4120 : Define a handy string here to avoid duplication in myconfig.SH and configpm.
4121 version_patchlevel_string="version $patchlevel subversion $subversion"
4122 case "$perl_patchlevel" in
4123 0|'') ;;
4124 *) version_patchlevel_string="$version_patchlevel_string patch $perl_patchlevel" ;;
4125 esac
4126
4127 $echo "(You have $package $version_patchlevel_string.)"
4128
4129 case "$osname" in
4130 dos|vms)
4131         : XXX Should be a Configure test for double-dots in filenames.
4132         version=`echo $revision $patchlevel $subversion | \
4133                  $awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
4134         api_versionstring=`echo $api_revision $api_version $api_subversion | \
4135                  $awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
4136         ;;
4137 *)
4138         version=`echo $revision $patchlevel $subversion | \
4139                  $awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
4140         api_versionstring=`echo $api_revision $api_version $api_subversion | \
4141                  $awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
4142         ;;
4143 esac
4144 : Special case the 5.005_xx maintenance series, which used 5.005
4145 : without any subversion label as a subdirectory in $sitelib
4146 if test "${api_revision}${api_version}${api_subversion}" = "550"; then
4147         api_versionstring='5.005'
4148 fi
4149
4150 : Do we want threads support and if so, what type
4151 case "$usethreads" in
4152 $define|true|[yY]*)     dflt='y';;
4153 *)     # Catch case where user specified ithreads or 5005threads but
4154        # forgot -Dusethreads (A.D. 4/2002)
4155        case "$useithreads$use5005threads" in
4156        *$define*)
4157                 case "$useperlio" in
4158                 "$define")      dflt='y' ;;
4159                 *)              dflt='n' ;;
4160                 esac
4161                 ;;
4162        *)       dflt='n';;
4163        esac
4164        ;;
4165 esac
4166 cat <<EOM
4167
4168 Perl can be built to take advantage of threads on some systems.
4169 To do so, Configure can be run with -Dusethreads.
4170
4171 Note that Perl built with threading support runs slightly slower
4172 and uses more memory than plain Perl. The current implementation
4173 is believed to be stable, but it is fairly new, and so should be
4174 treated with caution.
4175
4176 If this doesn't make any sense to you, just accept the default '$dflt'.
4177 EOM
4178 rp='Build a threading Perl?'
4179 . ./myread
4180 case "$ans" in
4181 y|Y)    val="$define" ;;
4182 *)      val="$undef" ;;
4183 esac
4184 set usethreads
4185 eval $setvar
4186
4187 if $test $patchlevel -lt 9; then
4188     case "$usethreads" in
4189     $define)
4190         $cat <<EOM
4191
4192 Since release 5.6, Perl has had two different threading implementations,
4193 the newer interpreter-based version (ithreads) with one interpreter per
4194 thread, and the older 5.005 version (5005threads).
4195 The 5005threads version is effectively unmaintained and will probably be
4196 removed in Perl 5.10, so there should be no need to build a Perl using it
4197 unless needed for backwards compatibility with some existing 5.005threads
4198 code.
4199
4200 EOM
4201         : Default to ithreads unless overridden on command line or with
4202         : old config.sh
4203         dflt='y'
4204         case "$use5005threads" in
4205                 $define|true|[yY]*) dflt='n';;
4206         esac
4207         case "$useithreads" in
4208                 $undef|false|[nN]*) dflt='n';;
4209         esac
4210         rp='Use the newer interpreter-based ithreads?'
4211         . ./myread
4212         case "$ans" in
4213         y|Y)    val="$define" ;;
4214         *)      val="$undef" ;;
4215         esac
4216         set useithreads
4217         eval $setvar
4218         : Now set use5005threads to the opposite value.
4219         case "$useithreads" in
4220         $define) val="$undef" ;;
4221         *) val="$define" ;;
4222         esac
4223         set use5005threads
4224         eval $setvar
4225         ;;
4226     *)
4227         useithreads="$undef"
4228         use5005threads="$undef"
4229         ;;
4230     esac
4231
4232     case "$useithreads$use5005threads" in
4233     "$define$define")
4234         $cat >&4 <<EOM
4235
4236 You cannot have both the ithreads and the 5.005 threads enabled
4237 at the same time.  Disabling the 5.005 threads since they are
4238 much less stable than the ithreads.
4239
4240 EOM
4241         use5005threads="$undef"
4242         ;;
4243     esac
4244
4245 else
4246 : perl-5.9.x and later
4247
4248     if test X"$usethreads" = "X$define"; then
4249         case "$use5005threads" in
4250             $define|true|[yY]*)
4251                 $cat >&4 <<EOM
4252
4253 5.005 threads has been removed for 5.10.  Perl will be built using ithreads.
4254
4255 EOM
4256             ;;
4257         esac
4258     fi
4259
4260     use5005threads="$undef"
4261     useithreads="$usethreads"
4262 fi
4263
4264 if test X"$usethreads" = "X$define" -a "X$useperlio" = "Xundef"; then
4265         cat >&4 <<EOF
4266 ***
4267 *** To build with ithreads you must also use the PerlIO layer.
4268 *** Cannot continue, aborting.
4269 ***
4270 EOF
4271         exit 1
4272 fi
4273
4274 case "$d_oldpthreads" in
4275 '')     : Configure tests would be welcome here.  For now, assume undef.
4276         val="$undef" ;;
4277 *)      val="$d_oldpthreads" ;;
4278 esac
4279 set d_oldpthreads
4280 eval $setvar
4281
4282
4283 : Look for a hint-file generated 'call-back-unit'.  If the
4284 : user has specified that a threading perl is to be built,
4285 : we may need to set or change some other defaults.
4286 if $test -f usethreads.cbu; then
4287     echo "Your platform has some specific hints regarding threaded builds, using them..."
4288     . ./usethreads.cbu
4289 else
4290     case "$usethreads" in
4291         "$define"|true|[yY]*)
4292                 $cat <<EOM
4293 (Your platform does not have any specific hints for threaded builds.
4294  Assuming POSIX threads, then.)
4295 EOM
4296         ;;
4297     esac
4298 fi
4299
4300 cat <<EOM
4301
4302 Perl can be built so that multiple Perl interpreters can coexist
4303 within the same Perl executable.
4304 EOM
4305
4306 case "$useithreads" in
4307 $define)
4308         cat <<EOM
4309 This multiple interpreter support is required for interpreter-based threads.
4310 EOM
4311         val="$define"
4312         ;;
4313 *)      case "$usemultiplicity" in
4314         $define|true|[yY]*)     dflt='y';;
4315         *) dflt='n';;
4316         esac
4317         echo " "
4318         echo "If this doesn't make any sense to you, just accept the default '$dflt'."
4319         rp='Build Perl for multiplicity?'
4320         . ./myread
4321         case "$ans" in
4322         y|Y)    val="$define" ;;
4323         *)      val="$undef" ;;
4324         esac
4325         ;;
4326 esac
4327 set usemultiplicity
4328 eval $setvar
4329
4330
4331 case "$usemorebits" in
4332 "$define"|true|[yY]*)
4333         use64bitint="$define"
4334         uselongdouble="$define"
4335         usemorebits="$define"
4336         ;;
4337 *)      usemorebits="$undef"
4338         ;;
4339 esac
4340
4341 : make some quick guesses about what we are up against
4342 echo " "
4343 $echo $n "Hmm...  $c"
4344 echo exit 1 >bsd
4345 echo exit 1 >usg
4346 echo exit 1 >v7
4347 echo exit 1 >osf1
4348 echo exit 1 >eunice
4349 echo exit 1 >xenix
4350 echo exit 1 >venix
4351 echo exit 1 >os2
4352 d_bsd="$undef"
4353 $cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
4354 if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
4355 then
4356         echo "Looks kind of like an OSF/1 system, but we'll see..."
4357         echo exit 0 >osf1
4358 elif test `echo abc | $tr a-z A-Z` = Abc ; then
4359         xxx=`./loc addbib blurfl $pth`
4360         if $test -f $xxx; then
4361         echo "Looks kind of like a USG system with BSD features, but we'll see..."
4362                 echo exit 0 >bsd
4363                 echo exit 0 >usg
4364         else
4365                 if $contains SIGTSTP foo >/dev/null 2>&1 ; then
4366                         echo "Looks kind of like an extended USG system, but we'll see..."
4367                 else
4368                         echo "Looks kind of like a USG system, but we'll see..."
4369                 fi
4370                 echo exit 0 >usg
4371         fi
4372 elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
4373         echo "Looks kind of like a BSD system, but we'll see..."
4374         d_bsd="$define"
4375         echo exit 0 >bsd
4376 else
4377         echo "Looks kind of like a Version 7 system, but we'll see..."
4378         echo exit 0 >v7
4379 fi
4380 case "$eunicefix" in
4381 *unixtovms*)
4382         $cat <<'EOI'
4383 There is, however, a strange, musty smell in the air that reminds me of
4384 something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
4385 EOI
4386         echo exit 0 >eunice
4387         d_eunice="$define"
4388 : it so happens the Eunice I know will not run shell scripts in Unix format
4389         ;;
4390 *)
4391         echo " "
4392         echo "Congratulations.  You aren't running Eunice."
4393         d_eunice="$undef"
4394         ;;
4395 esac
4396 : Detect OS2.  The p_ variable is set above in the Head.U unit.
4397 : Note that this also -- wrongly -- detects e.g. dos-djgpp, which also uses
4398 : semicolon as a patch separator
4399 case "$p_" in
4400 :) ;;
4401 *)
4402         $cat <<'EOI'
4403 I have the feeling something is not exactly right, however...don't tell me...
4404 lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
4405 (Or you may be running DOS with DJGPP.)
4406 EOI
4407         echo exit 0 >os2
4408         ;;
4409 esac
4410 if test -f /xenix; then
4411         echo "Actually, this looks more like a XENIX system..."
4412         echo exit 0 >xenix
4413         d_xenix="$define"
4414 else
4415         echo " "
4416         echo "It's not Xenix..."
4417         d_xenix="$undef"
4418 fi
4419 chmod +x xenix
4420 $eunicefix xenix
4421 if test -f /venix; then
4422         echo "Actually, this looks more like a VENIX system..."
4423         echo exit 0 >venix
4424 else
4425         echo " "
4426         if ./xenix; then
4427                 : null
4428         else
4429                 echo "Nor is it Venix..."
4430         fi
4431 fi
4432 chmod +x bsd usg v7 osf1 eunice xenix venix os2
4433 $eunicefix bsd usg v7 osf1 eunice xenix venix os2
4434 $rm -f foo
4435
4436 case "$cc" in
4437 '') dflt=cc;;
4438 *) dflt="$cc";;
4439 esac
4440 rp="Use which C compiler?"
4441 . ./myread
4442 cc="$ans"
4443
4444 : See if they have not cc but they do have gcc
4445 . ./trygcc
4446 : Look for a hint-file generated 'call-back-unit'.  Now that the
4447 : user has specified the compiler, we may need to set or change some
4448 : other defaults.
4449 if $test -f cc.cbu; then
4450     . ./cc.cbu
4451 fi
4452 . ./checkcc
4453
4454 : Check if we are using GNU gcc and what its version is
4455 echo " "
4456 echo "Checking for GNU cc in disguise and/or its version number..." >&4
4457 $cat >try.c <<EOM
4458 #include <stdio.h>
4459 int main() {
4460 #if defined(__GNUC__) && !defined(__INTEL_COMPILER)
4461 #ifdef __VERSION__
4462         printf("%s\n", __VERSION__);
4463 #else
4464         printf("%s\n", "1");
4465 #endif
4466 #endif
4467         return(0);
4468 }
4469 EOM
4470 if $cc -o try $ccflags $ldflags try.c; then
4471         gccversion=`$run ./try`
4472         case "$gccversion" in
4473         '') echo "You are not using GNU cc." ;;
4474         *)  echo "You are using GNU cc $gccversion."
4475             ccname=gcc
4476             ;;
4477         esac
4478 else
4479         echo " "
4480         echo "*** WHOA THERE!!! ***" >&4
4481         echo "    Your C compiler \"$cc\" doesn't seem to be working!" >&4
4482         case "$knowitall" in
4483         '')
4484         echo "    You'd better start hunting for one and let me know about it." >&4
4485                 exit 1
4486                 ;;
4487         esac
4488 fi
4489 $rm -f try try.*
4490 case "$gccversion" in
4491 1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
4492 esac
4493 case "$gccversion" in
4494 '') gccosandvers='' ;;
4495 *) gccshortvers=`echo "$gccversion"|sed 's/ .*//'`
4496    gccosandvers=`$cc -v 2>&1|grep '/specs$'|sed "s!.*/[^-/]*-[^-/]*-\([^-/]*\)/$gccshortvers/specs!\1!"`
4497    gccshortvers=''
4498    case "$gccosandvers" in
4499    $osname) gccosandvers='' ;; # linux gccs seem to have no linux osvers, grr
4500    $osname$osvers) ;; # looking good
4501    $osname*) cat <<EOM >&4
4502
4503 *** WHOA THERE!!! ***
4504
4505     Your gcc has not been compiled for the exact release of
4506     your operating system ($gccosandvers versus $osname$osvers).
4507
4508     In general it is a good idea to keep gcc synchronized with
4509     the operating system because otherwise serious problems
4510     may ensue when trying to compile software, like Perl.
4511
4512     I'm trying to be optimistic here, though, and will continue.
4513     If later during the configuration and build icky compilation
4514     problems appear (headerfile conflicts being the most common
4515     manifestation), I suggest reinstalling the gcc to match
4516     your operating system release.
4517
4518 EOM
4519       ;;
4520    *) gccosandvers='' ;; # failed to parse, better be silent
4521    esac
4522    ;;
4523 esac
4524 case "$ccname" in
4525 '') ccname="$cc" ;;
4526 esac
4527
4528 # gcc 3.* complain about adding -Idirectories that they already know about,
4529 # so we will take those off from locincpth.
4530 case "$gccversion" in
4531 3*)
4532     echo "main(){}">try.c
4533     for incdir in $locincpth; do
4534        warn=`$cc $ccflags -I$incdir -c try.c 2>&1 | \
4535              grep '^c[cp]p*[01]: warning: changing search order '`
4536        if test "X$warn" != X; then
4537            locincpth=`echo " $locincpth " | sed "s! $incdir ! !"`
4538        fi
4539     done
4540     $rm -f try try.*
4541 esac
4542
4543 : What should the include directory be ?
4544 echo " "
4545 $echo $n "Hmm...  $c"
4546 dflt='/usr/include'
4547 incpath=''
4548 mips_type=''
4549 if $test -f /bin/mips && /bin/mips; then
4550         echo "Looks like a MIPS system..."
4551         $cat >usr.c <<'EOCP'
4552 #ifdef SYSTYPE_BSD43
4553 /bsd43
4554 #endif
4555 EOCP
4556         if cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
4557                 dflt='/bsd43/usr/include'
4558                 incpath='/bsd43'
4559                 mips_type='BSD 4.3'
4560         else
4561                 mips_type='System V'
4562         fi
4563         $rm -f usr.c usr.out
4564         echo "and you're compiling with the $mips_type compiler and libraries."
4565         xxx_prompt=y
4566         echo "exit 0" >mips
4567 else
4568         echo "Doesn't look like a MIPS system."
4569         xxx_prompt=n
4570         echo "exit 1" >mips
4571 fi
4572 chmod +x mips
4573 $eunicefix mips
4574 case "$usrinc" in
4575 '') ;;
4576 *) dflt="$usrinc";;
4577 esac
4578 case "$xxx_prompt" in
4579 y)      fn=d/
4580         echo " "
4581         rp='Where are the include files you want to use?'
4582         . ./getfile
4583         usrinc="$ans"
4584         ;;
4585 *)      usrinc="$dflt"
4586         ;;
4587 esac
4588
4589 : see how we invoke the C preprocessor
4590 echo " "
4591 echo "Now, how can we feed standard input to your C preprocessor..." >&4
4592 cat <<'EOT' >testcpp.c
4593 #define ABC abc
4594 #define XYZ xyz
4595 ABC.XYZ
4596 EOT
4597 cd ..
4598 if test ! -f cppstdin; then
4599         if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
4600                 # AIX cc -E doesn't show the absolute headerfile
4601                 # locations but we'll cheat by using the -M flag.
4602                 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 .$$.c' > cppstdin
4603         else
4604                 echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
4605         fi
4606 else
4607         echo "Keeping your $hint cppstdin wrapper."
4608 fi
4609 chmod 755 cppstdin
4610 wrapper=`pwd`/cppstdin
4611 ok='false'
4612 cd UU
4613
4614 if $test "X$cppstdin" != "X" && \
4615         $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
4616         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
4617 then
4618         echo "You used to use $cppstdin $cppminus so we'll use that again."
4619         case "$cpprun" in
4620         '') echo "But let's see if we can live without a wrapper..." ;;
4621         *)
4622                 if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
4623                         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
4624                 then
4625                         echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
4626                         ok='true'
4627                 else
4628                         echo "(However, $cpprun $cpplast does not work, let's see...)"
4629                 fi
4630                 ;;
4631         esac
4632 else
4633         case "$cppstdin" in
4634         '') ;;
4635         *)
4636                 echo "Good old $cppstdin $cppminus does not seem to be of any help..."
4637                 ;;
4638         esac
4639 fi
4640
4641 if $ok; then
4642         : nothing
4643 elif echo 'Maybe "'"$cc"' -E" will work...'; \
4644         $cc -E <testcpp.c >testcpp.out 2>&1; \
4645         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4646         echo "Yup, it does."
4647         x_cpp="$cc -E"
4648         x_minus='';
4649 elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
4650         $cc -E - <testcpp.c >testcpp.out 2>&1; \
4651         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4652         echo "Yup, it does."
4653         x_cpp="$cc -E"
4654         x_minus='-';
4655 elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
4656         $cc -P <testcpp.c >testcpp.out 2>&1; \
4657         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4658         echo "Yipee, that works!"
4659         x_cpp="$cc -P"
4660         x_minus='';
4661 elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
4662         $cc -P - <testcpp.c >testcpp.out 2>&1; \
4663         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4664         echo "At long last!"
4665         x_cpp="$cc -P"
4666         x_minus='-';
4667 elif echo 'No such luck, maybe "'$cpp'" will work...'; \
4668         $cpp <testcpp.c >testcpp.out 2>&1; \
4669         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4670         echo "It works!"
4671         x_cpp="$cpp"
4672         x_minus='';
4673 elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
4674         $cpp - <testcpp.c >testcpp.out 2>&1; \
4675         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4676         echo "Hooray, it works!  I was beginning to wonder."
4677         x_cpp="$cpp"
4678         x_minus='-';
4679 elif echo 'Uh-uh.  Time to get fancy.  Trying a wrapper...'; \
4680         $wrapper <testcpp.c >testcpp.out 2>&1; \
4681         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4682         x_cpp="$wrapper"
4683         x_minus=''
4684         echo "Eureka!"
4685 else
4686         dflt=''
4687         rp="No dice.  I can't find a C preprocessor.  Name one:"
4688         . ./myread
4689         x_cpp="$ans"
4690         x_minus=''
4691         $x_cpp <testcpp.c >testcpp.out 2>&1
4692         if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
4693                 echo "OK, that will do." >&4
4694         else
4695 echo "Sorry, I can't get that to work.  Go find one and rerun Configure." >&4
4696                 exit 1
4697         fi
4698 fi
4699
4700 case "$ok" in
4701 false)
4702         cppstdin="$x_cpp"
4703         cppminus="$x_minus"
4704         cpprun="$x_cpp"
4705         cpplast="$x_minus"
4706         set X $x_cpp
4707         shift
4708         case "$1" in
4709         "$cpp")
4710                 echo "Perhaps can we force $cc -E using a wrapper..."
4711                 if $wrapper <testcpp.c >testcpp.out 2>&1; \
4712                         $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
4713                 then
4714                         echo "Yup, we can."
4715                         cppstdin="$wrapper"
4716                         cppminus='';
4717                 else
4718                         echo "Nope, we'll have to live without it..."
4719                 fi
4720                 ;;
4721         esac
4722         case "$cpprun" in
4723         "$wrapper")
4724                 cpprun=''
4725                 cpplast=''
4726                 ;;
4727         esac
4728         ;;
4729 esac
4730
4731 case "$cppstdin" in
4732 "$wrapper"|'cppstdin') ;;
4733 *) $rm -f $wrapper;;
4734 esac
4735 $rm -f testcpp.c testcpp.out
4736
4737 : Set private lib path
4738 case "$plibpth" in
4739 '') if ./mips; then
4740                 plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
4741         fi;;
4742 esac
4743 case "$libpth" in
4744 ' ') dlist='';;
4745 '') dlist="$loclibpth $plibpth $glibpth";;
4746 *) dlist="$libpth";;
4747 esac
4748
4749 : Now check and see which directories actually exist, avoiding duplicates
4750 libpth=''
4751 for xxx in $dlist
4752 do
4753     if $test -d $xxx; then
4754                 case " $libpth " in
4755                 *" $xxx "*) ;;
4756                 *) libpth="$libpth $xxx";;
4757                 esac
4758     fi
4759 done
4760 $cat <<'EOM'
4761
4762 Some systems have incompatible or broken versions of libraries.  Among
4763 the directories listed in the question below, please remove any you
4764 know not to be holding relevant libraries, and add any that are needed.
4765 Say "none" for none.
4766
4767 EOM
4768 case "$libpth" in
4769 '') dflt='none';;
4770 *)
4771         set X $libpth
4772         shift
4773         dflt=${1+"$@"}
4774         ;;
4775 esac
4776 rp="Directories to use for library searches?"
4777 . ./myread
4778 case "$ans" in
4779 none) libpth=' ';;
4780 *) libpth="$ans";;
4781 esac
4782
4783 : compute shared library extension
4784 case "$so" in
4785 '')
4786         if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
4787                 dflt='sl'
4788         else
4789                 dflt='so'
4790         fi
4791         ;;
4792 *) dflt="$so";;
4793 esac
4794 $cat <<EOM
4795
4796 On some systems, shared libraries may be available.  Answer 'none' if
4797 you want to suppress searching of shared libraries for the remainder
4798 of this configuration.
4799
4800 EOM
4801 rp='What is the file extension used for shared libraries?'
4802 . ./myread
4803 so="$ans"
4804
4805 : Define several unixisms.
4806 : Hints files or command line option can be used to override them.
4807 : The convoluted testing is in case hints files set either the old
4808 : or the new name.
4809 case "$_exe" in
4810 '')     case "$exe_ext" in
4811         '')     ;;
4812         *)      _exe="$exe_ext" ;;
4813         esac
4814         ;;
4815 esac
4816 case "$_a" in
4817 '')     case "$lib_ext" in
4818     '') _a='.a';;
4819         *)      _a="$lib_ext" ;;
4820         esac
4821         ;;
4822 esac
4823 case "$_o" in
4824 '') case "$obj_ext" in
4825         '')     _o='.o';;
4826         *)      _o="$obj_ext";;
4827         esac
4828         ;;
4829 esac
4830 case "$p_" in
4831 '') case "$path_sep" in
4832         '')     p_=':';;
4833         *)      p_="$path_sep";;
4834         esac
4835         ;;
4836 esac
4837 exe_ext=$_exe
4838 lib_ext=$_a
4839 obj_ext=$_o
4840 path_sep=$p_
4841
4842 rm_try="$rm -f try try$_exe a.out .out try.[cho] try.$_o core core.try* try.core*"
4843
4844 : Which makefile gets called first.  This is used by make depend.
4845 case "$firstmakefile" in
4846 '') firstmakefile='makefile';;
4847 esac
4848
4849 case "$ccflags" in
4850 *-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;;
4851 esac
4852
4853 case "$uselongdouble" in
4854 $define|true|[yY]*)     dflt='y';;
4855 *) dflt='n';;
4856 esac
4857 cat <<EOM
4858
4859 Perl can be built to take advantage of long doubles which
4860 (if available) may give more accuracy and range&nbs