Tue Apr 14 16:31:35 1998 John Metzler <jmetzler@cygnus.com>
[deliverable/binutils-gdb.git] / ltconfig
... / ...
CommitLineData
1#! /bin/sh
2
3# ltconfig - Create a system-specific libtool.
4# Copyright (C) 1996-1998 Free Software Foundation, Inc.
5# Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
6#
7# This file is free software; you can redistribute it and/or modify it
8# under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful, but
13# WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15# General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20#
21# As a special exception to the GNU General Public License, if you
22# distribute this file as part of a program that contains a
23# configuration script generated by Autoconf, you may include it under
24# the same distribution terms that you use for the rest of that program.
25
26# A lot of this script is taken from autoconf-2.10.
27
28# The HP-UX ksh and POSIX shell print the target directory to stdout
29# if CDPATH is set.
30if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
31
32echo=echo
33if test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then :
34else
35 # The Solaris and AIX default echo program unquotes backslashes.
36 # This makes it impossible to quote backslashes using
37 # echo "$something" | sed 's/\\/\\\\/g'
38 # So, we emulate echo with printf '%s\n'
39 echo="printf %s\\n"
40 if test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then :
41 else
42 # Oops. We have no working printf. Try to find a not-so-buggy echo.
43 echo=echo
44 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
45 for dir in $PATH /usr/ucb; do
46 if test -f $dir/echo && test "X`$dir/echo '\t'`" = 'X\t'; then
47 echo="$dir/echo"
48 break
49 fi
50 done
51 IFS="$save_ifs"
52 fi
53fi
54
55# Sed substitution that helps us do robust quoting. It backslashifies
56# metacharacters that are still active within double-quoted strings.
57Xsed='sed -e s/^X//'
58sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
59
60# Same as above, but do not quote variable references.
61double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
62
63# The name of this program.
64progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
65
66# Constants:
67PROGRAM=ltconfig
68PACKAGE=libtool
69VERSION=1.2
70ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
71ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
72rm="rm -f"
73
74help="Try \`$progname --help' for more information."
75
76# Global variables:
77can_build_shared=yes
78enable_shared=yes
79# All known linkers require a `.a' archive for static linking.
80enable_static=yes
81ltmain=
82silent=
83srcdir=
84ac_config_guess=
85ac_config_sub=
86host=
87nonopt=
88verify_host=yes
89with_gcc=no
90with_gnu_ld=no
91
92old_AR="$AR"
93old_CC="$CC"
94old_CFLAGS="$CFLAGS"
95old_CPPFLAGS="$CPPFLAGS"
96old_LD="$LD"
97old_LN_S="$LN_S"
98old_NM="$NM"
99old_RANLIB="$RANLIB"
100old_DLLTOOL="$DLLTOOL"
101old_AS="$AS"
102
103# Parse the command line options.
104args=
105prev=
106for option
107do
108 case "$option" in
109 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
110 *) optarg= ;;
111 esac
112
113 # If the previous option needs an argument, assign it.
114 if test -n "$prev"; then
115 eval "$prev=\$option"
116 prev=
117 continue
118 fi
119
120 case "$option" in
121 --help) cat <<EOM
122Usage: $progname [OPTION]... LTMAIN [HOST]
123
124Generate a system-specific libtool script.
125
126 --disable-shared do not build shared libraries
127 --disable-static do not build static libraries
128 --help display this help and exit
129 --no-verify do not verify that HOST is a valid host type
130 --quiet same as \`--silent'
131 --silent do not print informational messages
132 --srcdir=DIR find \`config.guess' in DIR
133 --version output version information and exit
134 --with-gcc assume that the GNU C compiler will be used
135 --with-gnu-ld assume that the C compiler uses the GNU linker
136
137LTMAIN is the \`ltmain.sh' shell script fragment that provides basic libtool
138functionality.
139
140HOST is the canonical host system name [default=guessed].
141EOM
142 exit 0
143 ;;
144
145 --disable-shared) enable_shared=no ;;
146
147 --disable-static) enable_static=no ;;
148
149 --quiet | --silent) silent=yes ;;
150
151 --srcdir) prev=srcdir ;;
152 --srcdir=*) srcdir="$optarg" ;;
153
154 --no-verify) verify_host=no ;;
155
156 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION"; exit 0 ;;
157
158 --with-gcc) with_gcc=yes ;;
159 --with-gnu-ld) with_gnu_ld=yes ;;
160
161 -*)
162 echo "$progname: unrecognized option \`$option'" 1>&2
163 echo "$help" 1>&2
164 exit 1
165 ;;
166
167 *)
168 if test -z "$ltmain"; then
169 ltmain="$option"
170 elif test -z "$host"; then
171# This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
172# if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
173# echo "$progname: warning \`$option' is not a valid host type" 1>&2
174# fi
175 host="$option"
176 else
177 echo "$progname: too many arguments" 1>&2
178 echo "$help" 1>&2
179 exit 1
180 fi ;;
181 esac
182done
183
184if test -z "$ltmain"; then
185 echo "$progname: you must specify a LTMAIN file" 1>&2
186 echo "$help" 1>&2
187 exit 1
188fi
189
190if test -f "$ltmain"; then :
191else
192 echo "$progname: \`$ltmain' does not exist" 1>&2
193 echo "$help" 1>&2
194 exit 1
195fi
196
197# Quote any args containing shell metacharacters.
198ltconfig_args=
199for arg
200do
201 case "$arg" in
202 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
203 ltconfig_args="$ltconfig_args '$arg'" ;;
204 *) ltconfig_args="$ltconfig_args $arg" ;;
205 esac
206done
207
208# A relevant subset of AC_INIT.
209
210# File descriptor usage:
211# 0 standard input
212# 1 file creation
213# 2 errors and warnings
214# 3 some systems may open it to /dev/tty
215# 4 used on the Kubota Titan
216# 5 compiler messages saved in config.log
217# 6 checking for... messages and results
218if test "$silent" = yes; then
219 exec 6>/dev/null
220else
221 exec 6>&1
222fi
223exec 5>>./config.log
224
225# NLS nuisances.
226# Only set LANG and LC_ALL to C if already set.
227# These must not be set unconditionally because not all systems understand
228# e.g. LANG=C (notably SCO).
229if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
230if test "${LANG+set}" = set; then LANG=C; export LANG; fi
231
232if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
233 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
234 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
235 ac_n= ac_c='
236' ac_t=' '
237 else
238 ac_n=-n ac_c= ac_t=
239 fi
240else
241 ac_n= ac_c='\c' ac_t=
242fi
243
244if test -z "$srcdir"; then
245 # Assume the source directory is the same one as the path to ltmain.sh.
246 srcdir=`$echo "$ltmain" | $Xsed -e 's%/[^/]*$%%'`
247 test "$srcdir" = "$ltmain" && srcdir=.
248fi
249
250trap "$rm conftest*; exit 1" 1 2 15
251if test "$verify_host" = yes; then
252 # Check for config.guess and config.sub.
253 ac_aux_dir=
254 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
255 if test -f $ac_dir/config.guess; then
256 ac_aux_dir=$ac_dir
257 break
258 fi
259 done
260 if test -z "$ac_aux_dir"; then
261 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
262 echo "$help" 1>&2
263 exit 1
264 fi
265 ac_config_guess=$ac_aux_dir/config.guess
266 ac_config_sub=$ac_aux_dir/config.sub
267
268 # Make sure we can run config.sub.
269 if $ac_config_sub sun4 >/dev/null 2>&1; then :
270 else
271 echo "$progname: cannot run $ac_config_sub" 1>&2
272 echo "$help" 1>&2
273 exit 1
274 fi
275
276 echo $ac_n "checking host system type""... $ac_c" 1>&6
277
278 host_alias=$host
279 case "$host_alias" in
280 "")
281 if host_alias=`$ac_config_guess`; then :
282 else
283 echo "$progname: cannot guess host type; you must specify one" 1>&2
284 echo "$help" 1>&2
285 exit 1
286 fi ;;
287 esac
288 host=`$ac_config_sub $host_alias`
289 echo "$ac_t$host" 1>&6
290
291 # Make sure the host verified.
292 test -z "$host" && exit 1
293
294elif test -z "$host"; then
295 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
296 echo "$help" 1>&2
297 exit 1
298else
299 host_alias=$host
300fi
301
302# Transform linux* to *-*-linux-gnu*, to support old configure scripts.
303case "$host_os" in
304linux-gnu*) ;;
305linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
306esac
307
308host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
309host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
310host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
311
312case "$host_os" in
313aix3*)
314 # AIX sometimes has problems with the GCC collect2 program. For some
315 # reason, if we set the COLLECT_NAMES environment variable, the problems
316 # vanish in a puff of smoke.
317 if test "${COLLECT_NAMES+set}" != set; then
318 COLLECT_NAMES=
319 export COLLECT_NAMES
320 fi
321 ;;
322esac
323
324# Determine commands to create old-style static archives.
325old_archive_cmds='$AR cru $oldlib$oldobjs'
326old_postinstall_cmds='chmod 644 $oldlib'
327old_postuninstall_cmds=
328
329# Set a sane default for `AR'.
330test -z "$AR" && AR=ar
331
332# If RANLIB is not set, then run the test.
333if test "${RANLIB+set}" != "set"; then
334 result=no
335
336 echo $ac_n "checking for ranlib... $ac_c" 1>&6
337 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
338 for dir in $PATH; do
339 test -z "$dir" && dir=.
340 if test -f $dir/ranlib; then
341 RANLIB="ranlib"
342 result="ranlib"
343 break
344 fi
345 done
346 IFS="$save_ifs"
347
348 echo "$ac_t$result" 1>&6
349fi
350
351if test -n "$RANLIB"; then
352 old_archive_cmds="$old_archive_cmds;\$RANLIB \$oldlib"
353 old_postinstall_cmds="\$RANLIB \$oldlib;$old_postinstall_cmds"
354fi
355
356# Set sane defaults for `DLLTOOL' and `AS', used on cygwin32.
357test -z "$DLLTOOL" && DLLTOOL=dlltool
358test -z "$AS" && AS=as
359
360# Check to see if we are using GCC.
361if test "$with_gcc" != yes || test -z "$CC"; then
362 # If CC is not set, then try to find GCC or a usable CC.
363 if test -z "$CC"; then
364 echo $ac_n "checking for gcc... $ac_c" 1>&6
365 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
366 for dir in $PATH; do
367 IFS="$save_ifs"
368 test -z "$dir" && dir=.
369 if test -f $dir/gcc; then
370 CC="gcc"
371 break
372 fi
373 done
374 IFS="$save_ifs"
375
376 if test -n "$CC"; then
377 echo "$ac_t$CC" 1>&6
378 else
379 echo "$ac_t"no 1>&6
380 fi
381 fi
382
383 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
384 if test -z "$CC"; then
385 echo $ac_n "checking for cc... $ac_c" 1>&6
386 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
387 cc_rejected=no
388 for dir in $PATH; do
389 test -z "$dir" && dir=.
390 if test -f $dir/cc; then
391 if test "$dir/cc" = "/usr/ucb/cc"; then
392 cc_rejected=yes
393 continue
394 fi
395 CC="cc"
396 break
397 fi
398 done
399 IFS="$save_ifs"
400 if test $cc_rejected = yes; then
401 # We found a bogon in the path, so make sure we never use it.
402 set dummy $CC
403 shift
404 if test $# -gt 0; then
405 # We chose a different compiler from the bogus one.
406 # However, it has the same name, so the bogon will be chosen
407 # first if we set CC to just the name; use the full file name.
408 shift
409 set dummy "$dir/cc" "$@"
410 shift
411 CC="$@"
412 fi
413 fi
414
415 if test -n "$CC"; then
416 echo "$ac_t$CC" 1>&6
417 else
418 echo "$ac_t"no 1>&6
419 fi
420
421 if test -z "$CC"; then
422 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
423 exit 1
424 fi
425 fi
426
427 # Now see if the compiler is really GCC.
428 with_gcc=no
429 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
430 echo "$progname:430: checking whether we are using GNU C" >&5
431
432 $rm conftest.c
433 cat > conftest.c <<EOF
434#ifdef __GNUC__
435 yes;
436#endif
437EOF
438 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:438: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
439 with_gcc=yes
440 fi
441 $rm conftest.c
442 echo "$ac_t$with_gcc" 1>&6
443fi
444
445# Allow CC to be a program name with arguments.
446set dummy $CC
447compiler="$2"
448
449echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
450pic_flag=
451special_shlib_compile_flags=
452wl=
453link_static_flag=
454no_builtin_flag=
455
456if test "$with_gcc" = yes; then
457 wl='-Wl,'
458 link_static_flag='-static'
459 no_builtin_flag=' -fno-builtin'
460
461 case "$host_os" in
462 aix3* | aix4* | irix5* | irix6* | osf3* | osf4*)
463 # PIC is the default for these OSes.
464 ;;
465 cygwin32* | os2*)
466 # We can build DLLs from non-PIC.
467 ;;
468 amigaos*)
469 # FIXME: we need at least 68020 code to build shared libraries, but
470 # adding the `-m68020' flag to GCC prevents building anything better,
471 # like `-m68040'.
472 pic_flag='-m68020 -resident32 -malways-restore-a4'
473 ;;
474 *)
475 pic_flag='-fPIC'
476 ;;
477 esac
478else
479 # PORTME Check for PIC flags for the system compiler.
480 case "$host_os" in
481 aix3* | aix4*)
482 # All AIX code is PIC.
483 link_static_flag='-bnso -bI:/lib/syscalls.exp'
484 ;;
485
486 hpux9* | hpux10* | hpux11*)
487 # Is there a better link_static_flag that works with the bundled CC?
488 wl='-Wl,'
489 link_static_flag="${wl}-a ${wl}archive"
490 pic_flag='+Z'
491 ;;
492
493 irix5* | irix6*)
494 wl='-Wl,'
495 link_static_flag='-non_shared'
496 # PIC (with -KPIC) is the default.
497 ;;
498
499 cygwin32* | os2*)
500 # We can build DLLs from non-PIC.
501 ;;
502
503 osf3* | osf4*)
504 # All OSF/1 code is PIC.
505 wl='-Wl,'
506 link_static_flag='-non_shared'
507 ;;
508
509 sco3.2v5*)
510 pic_flag='-Kpic'
511 link_static_flag='-dn'
512 special_shlib_compile_flags='-belf'
513 ;;
514
515 solaris2*)
516 pic_flag='-KPIC'
517 link_static_flag='-Bstatic'
518 wl='-Wl,'
519 ;;
520
521 sunos4*)
522 pic_flag='-PIC'
523 link_static_flag='-Bstatic'
524 wl='-Qoption ld '
525 ;;
526
527 sysv4.2uw2*)
528 pic_flag='-KPIC'
529 link_static_flag='-Bstatic'
530 wl='-Wl,'
531 ;;
532
533 uts4*)
534 pic_flag='-pic'
535 link_static_flag='-Bstatic'
536 ;;
537
538 *)
539 can_build_shared=no
540 ;;
541 esac
542fi
543
544if test -n "$pic_flag"; then
545 echo "$ac_t$pic_flag" 1>&6
546
547 # Check to make sure the pic_flag actually works.
548 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
549 $rm conftest*
550 echo > conftest.c
551 save_CFLAGS="$CFLAGS"
552 CFLAGS="$CFLAGS $pic_flag -DPIC"
553 echo "$progname:553: checking if $compiler PIC flag $pic_flag works" >&5
554 if { (eval echo $progname:554: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
555 # Append any warnings to the config.log.
556 cat conftest.err 1>&5
557
558 # On HP-UX, both CC and GCC only warn that PIC is supported... then they
559 # create non-PIC objects. So, if there were any warnings, we assume that
560 # PIC is not supported.
561 if test -s conftest.err; then
562 echo "$ac_t"no 1>&6
563 can_build_shared=no
564 pic_flag=
565 else
566 echo "$ac_t"yes 1>&6
567 pic_flag=" $pic_flag"
568 fi
569 else
570 # Append any errors to the config.log.
571 cat conftest.err 1>&5
572 can_build_shared=no
573 pic_flag=
574 echo "$ac_t"no 1>&6
575 fi
576 CFLAGS="$save_CFLAGS"
577 $rm conftest*
578else
579 echo "$ac_t"none 1>&6
580fi
581
582# Check for any special shared library compilation flags.
583if test -n "$special_shlib_compile_flags"; then
584 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
585 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then :
586 else
587 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
588 can_build_shared=no
589 fi
590fi
591
592echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
593$rm conftest*
594echo 'main(){return(0);}' > conftest.c
595save_LDFLAGS="$LDFLAGS"
596LDFLAGS="$LDFLAGS $link_static_flag"
597echo "$progname:597: checking if $compiler static flag $link_static_flag works" >&5
598if { (eval echo $progname:598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
599 echo "$ac_t$link_static_flag" 1>&6
600else
601 echo "$ac_t"none 1>&6
602 link_static_flag=
603fi
604LDFLAGS="$save_LDFLAGS"
605$rm conftest*
606
607if test -z "$LN_S"; then
608 # Check to see if we can use ln -s, or we need hard links.
609 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
610 $rm conftestdata
611 if ln -s X conftestdata 2>/dev/null; then
612 $rm conftestdata
613 LN_S="ln -s"
614 else
615 LN_S=ln
616 fi
617 if test "$LN_S" = "ln -s"; then
618 echo "$ac_t"yes 1>&6
619 else
620 echo "$ac_t"no 1>&6
621 fi
622fi
623
624# Make sure LD is an absolute path.
625if test -z "$LD"; then
626 ac_prog=ld
627 if test "$with_gcc" = yes; then
628 # Check if gcc -print-prog-name=ld gives a path.
629 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
630 echo "$progname:630: checking for ld used by GCC" >&5
631 ac_prog=`($CC -print-prog-name=ld) 2>&5`
632 case "$ac_prog" in
633 # Accept absolute paths.
634 /* | [A-Za-z]:\\*)
635 test -z "$LD" && LD="$ac_prog"
636 ;;
637 "")
638 # If it fails, then pretend we are not using GCC.
639 ac_prog=ld
640 ;;
641 *)
642 # If it is relative, then search for the first ld in PATH.
643 with_gnu_ld=unknown
644 ;;
645 esac
646 elif test "$with_gnu_ld" = yes; then
647 echo $ac_n "checking for GNU ld... $ac_c" 1>&6
648 echo "$progname:648: checking for GNU ld" >&5
649 else
650 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
651 echo "$progname:651: checking for non-GNU ld" >&5
652 fi
653
654 if test -z "$LD"; then
655 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
656 for ac_dir in $PATH; do
657 test -z "$ac_dir" && ac_dir=.
658 if test -f "$ac_dir/$ac_prog"; then
659 LD="$ac_dir/$ac_prog"
660 # Check to see if the program is GNU ld. I'd rather use --version,
661 # but apparently some GNU ld's only accept -v.
662 # Break only if it was the GNU/non-GNU ld that we prefer.
663 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
664 test "$with_gnu_ld" != no && break
665 else
666 test "$with_gnu_ld" != yes && break
667 fi
668 fi
669 done
670 IFS="$ac_save_ifs"
671 fi
672
673 if test -n "$LD"; then
674 echo "$ac_t$LD" 1>&6
675 else
676 echo "$ac_t"no 1>&6
677 fi
678
679 if test -z "$LD"; then
680 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
681 exit 1
682 fi
683fi
684
685# Check to see if it really is or is not GNU ld.
686echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
687# I'd rather use --version here, but apparently some GNU ld's only accept -v.
688if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
689 with_gnu_ld=yes
690else
691 with_gnu_ld=no
692fi
693echo "$ac_t$with_gnu_ld" 1>&6
694
695# See if the linker supports building shared libraries.
696echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
697
698allow_undefined_flag=
699no_undefined_flag=
700archive_cmds=
701old_archive_from_new_cmds=
702export_dynamic_flag_spec=
703hardcode_libdir_flag_spec=
704hardcode_libdir_separator=
705hardcode_direct=no
706hardcode_minus_L=no
707hardcode_shlibpath_var=unsupported
708runpath_var=
709
710case "$host_os" in
711amigaos* | sunos4* | cygwin32*)
712 # On these operating systems, we should treat GNU ld like the system ld.
713 gnu_ld_acts_native=yes
714 ;;
715*)
716 gnu_ld_acts_native=no
717 ;;
718esac
719
720ld_shlibs=yes
721if test "$with_gnu_ld" = yes && test "$gnu_ld_acts_native" != yes; then
722
723 # See if GNU ld supports shared libraries.
724 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
725 archive_cmds='$CC -shared ${wl}-soname $wl$soname -o $lib$libobjs'
726 runpath_var=LD_RUN_PATH
727 ld_shlibs=yes
728 else
729 ld_shlibs=no
730 fi
731
732 if test "$ld_shlibs" = yes; then
733 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
734 export_dynamic_flag_spec='${wl}--export-dynamic'
735 fi
736else
737 # PORTME fill in a description of your system's linker (not GNU ld)
738 case "$host_os" in
739 aix3*)
740 allow_undefined_flag=unsupported
741 archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$LD -o $objdir/$soname$libobjs -bE:$lib.exp -T512 -H512 -bM:SRE;$AR cru $lib $objdir/$soname'
742 # Note: this linker hardcodes the directories in LIBPATH if there
743 # are no directories specified by -L.
744 hardcode_minus_L=yes
745 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
746 # Neither direct hardcoding nor static linking is supported with a
747 # broken collect2.
748 hardcode_direct=unsupported
749 fi
750 ;;
751
752 aix4*)
753 allow_undefined_flag=unsupported
754 archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$CC -o $objdir/$soname$libobjs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry;$AR cru $lib $objdir/$soname'
755 hardcode_direct=yes
756 hardcode_minus_L=yes
757 ;;
758
759 amigaos*)
760 archive_cmds='$rm $objdir/a2ixlibrary.data;$echo "#define NAME $libname" > $objdir/a2ixlibrary.data;$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data;$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data;$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data;$AR cru $lib$libobjs;$RANLIB $lib;(cd $objdir && a2ixlibrary -32)'
761 hardcode_libdir_flag_spec='-L$libdir'
762 hardcode_minus_L=yes
763 ;;
764
765 cygwin32*)
766 # hardcode_libdir_flag_spec is actually meaningless, as there is
767 # no search path for DLLs.
768 hardcode_libdir_flag_spec='-L$libdir'
769 allow_undefined_flag=unsupported
770 # Very, very bogus.
771 echo '
772#include <windows.h>
773
774struct _reent *_impure_ptr;
775extern struct _reent *__imp_reent_data;
776BOOL APIENTRY
777__dll_entry (HINSTANCE hinst, DWORD reason, LPVOID reserved)
778{
779 _impure_ptr = __imp_reent_data;
780}
781' > libtool.c
782 archive_cmds='$CC -c libtool.c;echo EXPORTS > $soname.def;$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' >> $soname.def;$LD -s --base-file $soname.base --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$DLLTOOL --as=$AS --dllname $soname --def $soname.def --base-file $soname.base --output-exp $soname.exp;$LD -s --base-file $soname.base $soname.exp --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$DLLTOOL --as=$AS --dllname $soname --def $soname.def --base-file $soname.base --output-exp $soname.exp;$LD $soname.exp --dll -e ___dll_entry@12 -o $lib libtool.o$libobjs$deplibs;$rm libtool.o $soname.base $soname.exp'
783 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $soname.def --output-lib $objdir/$libname.a'
784 ;;
785
786 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
787 # support. Future versions do this automatically, but an explicit c++rt0.o
788 # does not break anything, and helps significantly (at the cost of a little
789 # extra space).
790 freebsd2.2*)
791 archive_cmds='$LD -Bshareable -o $lib$libobjs /usr/lib/c++rt0.o'
792 hardcode_libdir_flag_spec='-R$libdir'
793 hardcode_direct=yes
794 hardcode_minus_L=yes
795 hardcode_shlibpath_var=no
796 ;;
797
798 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
799 freebsd2*)
800 archive_cmds='$LD -Bshareable -o $lib$libobjs'
801 hardcode_direct=yes
802 hardcode_minus_L=yes
803 hardcode_shlibpath_var=no
804 ;;
805
806 # FreeBSD 3, at last, uses gcc -shared to do shared libraries.
807 freebsd3*)
808 archive_cmds='$CC -shared -o $lib$libobjs'
809 hardcode_libdir_flag_spec='-R$libdir'
810 hardcode_direct=yes
811 hardcode_minus_L=yes
812 hardcode_shlibpath_var=no
813 ;;
814
815 hpux9*)
816 archive_cmds='$rm $objdir/$soname;$LD -b +s +b $install_libdir -o $objdir/$soname$libobjs;mv $objdir/$soname $lib'
817 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
818 hardcode_direct=yes
819 hardcode_minus_L=yes
820 export_dynamic_flag_spec='${wl}-E'
821 ;;
822
823 hpux10* | hpux11*)
824 archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib$libobjs'
825 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
826 hardcode_direct=yes
827 hardcode_minus_L=yes
828 export_dynamic_flag_spec='${wl}-E'
829 ;;
830
831 irix5* | irix6*)
832 archive_cmds='$LD -shared -o $lib -soname $soname -set_version $verstring$libobjs'
833 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
834 ;;
835
836 netbsd*)
837 # Tested with NetBSD 1.2 ld
838 archive_cmds='$LD -Bshareable -o $lib$libobjs'
839 hardcode_libdir_flag_spec='-R$libdir'
840 hardcode_direct=yes
841 hardcode_shlibpath_var=no
842 ;;
843
844 openbsd*)
845 archive_cmds='$LD -Bshareable -o $lib$libobjs'
846 hardcode_libdir_flag_spec='-R$libdir'
847 hardcode_direct=yes
848 hardcode_shlibpath_var=no
849 ;;
850
851 os2*)
852 hardcode_libdir_flag_spec='-L$libdir'
853 hardcode_minus_L=yes
854 allow_undefined_flag=unsupported
855 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def;$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def;$echo DATA >> $objdir/$libname.def;$echo " SINGLE NONSHARED" >> $objdir/$libname.def;$echo EXPORTS >> $objdir/$libname.def;emxexp$libobjs >> $objdir/$libname.def;$CC -Zdll -Zcrtdll -o $lib$libobjs $objdir/$libname.def'
856 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
857 ;;
858
859 osf3* | osf4*)
860 allow_undefined_flag=' -expect_unresolved \*'
861 archive_cmds='$LD -shared${allow_undefined_flag} -o $lib -soname $soname -set_version $verstring$libobjs$deplibs'
862 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
863 hardcode_libdir_separator=:
864 ;;
865
866 sco3.2v5*)
867 archive_cmds='$LD -G -o $lib$libobjs'
868 hardcode_direct=yes
869 ;;
870
871 solaris2*)
872 no_undefined_flag=' -z text'
873 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib$libobjs'
874 hardcode_libdir_flag_spec='-R$libdir'
875 hardcode_shlibpath_var=no
876
877 # Solaris 2 before 2.5 hardcodes -L paths.
878 case "$host_os" in
879 solaris2.[0-4]*)
880 hardcode_minus_L=yes
881 ;;
882 esac
883 ;;
884
885 sunos4*)
886 if test "$with_gcc" = yes; then
887 archive_cmds='$CC -shared -o $lib$libobjs'
888 else
889 archive_cmds='$LD -assert pure-text -Bstatic -o $lib$libobjs'
890 fi
891
892 if test "$with_gnu_ld" = yes; then
893 export_dynamic_flag_spec='${wl}-export-dynamic'
894 fi
895 hardcode_libdir_flag_spec='-L$libdir'
896 hardcode_direct=yes
897 hardcode_minus_L=yes
898 hardcode_shlibpath_var=no
899 ;;
900
901 uts4*)
902 archive_cmds='$LD -G -h $soname -o $lib$libobjs'
903 hardcode_libdir_flag_spec='-L$libdir'
904 hardcode_direct=no
905 hardcode_minus_L=no
906 hardcode_shlibpath_var=no
907 ;;
908
909 *)
910 ld_shlibs=no
911 can_build_shared=no
912 ;;
913 esac
914fi
915echo "$ac_t$ld_shlibs" 1>&6
916
917if test -z "$NM"; then
918 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
919 case "$NM" in
920 /* | [A-Za-z]:\\*) ;; # Let the user override the test with a path.
921 *)
922 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
923 for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
924 test -z "$ac_dir" && ac_dir=.
925 if test -f $ac_dir/nm; then
926 # Check to see if the nm accepts a BSD-compat flag.
927 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
928 # nm: unknown option "B" ignored
929 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
930 NM="$ac_dir/nm -B"
931 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
932 NM="$ac_dir/nm -p"
933 else
934 NM="$ac_dir/nm"
935 fi
936 break
937 fi
938 done
939 IFS="$ac_save_ifs"
940 test -z "$NM" && NM=nm
941 ;;
942 esac
943 echo "$ac_t$NM" 1>&6
944fi
945
946# Check for command to grab the raw symbol name followed by C symbol from nm.
947echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
948
949# These are sane defaults that work on at least a few old systems.
950# [They come from Ultrix. What could be older than Ultrix?!! ;)]
951
952# Character class describing NM global symbol codes.
953symcode='[BCDEGRSTU]'
954
955# Regexp to match symbols that can be accessed directly from C.
956sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
957
958# Transform the above into a raw symbol and a C symbol.
959symxfrm='\1 \1'
960
961# Define system-specific variables.
962case "$host_os" in
963aix*)
964 symcode='[BCDTU]'
965 ;;
966cygwin32*)
967 sympat='_\([_A-Za-z][_A-Za-z0-9]*\)'
968 symxfrm='_\1 \1'
969 ;;
970irix*)
971 # Cannot use undefined symbols on IRIX because inlined functions mess us up.
972 symcode='[BCDEGRST]'
973 ;;
974solaris2*)
975 symcode='[BDTU]'
976 ;;
977esac
978
979# If we're using GNU nm, then use its standard symbol codes.
980if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
981 symcode='[ABCDGISTUW]'
982fi
983
984case "$host_os" in
985cygwin32*)
986 # We do not want undefined symbols on cygwin32. The user must
987 # arrange to define them via -l arguments.
988 symcode='[ABCDGISTW]'
989 ;;
990esac
991
992# Write the raw and C identifiers.
993global_symbol_pipe="sed -n -e 's/^.* $symcode $sympat$/$symxfrm/p'"
994
995# Check to see that the pipe works correctly.
996pipe_works=no
997$rm conftest*
998cat > conftest.c <<EOF
999#ifdef __cplusplus
1000extern "C" {
1001#endif
1002char nm_test_var;
1003void nm_test_func(){}
1004#ifdef __cplusplus
1005}
1006#endif
1007main(){nm_test_var='a';nm_test_func();return(0);}
1008EOF
1009
1010echo "$progname:1010: checking if global_symbol_pipe works" >&5
1011if { (eval echo $progname:1011: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.o; then
1012 # Now try to grab the symbols.
1013 nlist=conftest.nm
1014 if { echo "$progname:1014: eval \"$NM conftest.o | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.o | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1015
1016 # Try sorting and uniquifying the output.
1017 if sort "$nlist" | uniq > "$nlist"T; then
1018 mv -f "$nlist"T "$nlist"
1019 wcout=`wc "$nlist" 2>/dev/null`
1020 count=`$echo "X$wcout" | $Xsed -e 's/^[ ]*\([0-9][0-9]*\).*$/\1/'`
1021 (test "$count" -ge 0) 2>/dev/null || count=-1
1022 else
1023 rm -f "$nlist"T
1024 count=-1
1025 fi
1026
1027 # Make sure that we snagged all the symbols we need.
1028 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1029 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1030 cat <<EOF > conftest.c
1031#ifdef __cplusplus
1032extern "C" {
1033#endif
1034
1035EOF
1036 # Now generate the symbol file.
1037 sed 's/^.* \(.*\)$/extern char \1;/' < "$nlist" >> conftest.c
1038
1039 cat <<EOF >> conftest.c
1040#if defined (__STDC__) && __STDC__
1041# define __ptr_t void *
1042#else
1043# define __ptr_t char *
1044#endif
1045
1046/* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */
1047int dld_preloaded_symbol_count = $count;
1048
1049/* The mapping between symbol names and symbols. */
1050struct {
1051 char *name;
1052 __ptr_t address;
1053}
1054dld_preloaded_symbols[] =
1055{
1056EOF
1057 sed 's/^\(.*\) \(.*\)$/ {"\1", (__ptr_t) \&\2},/' < "$nlist" >> conftest.c
1058 cat <<\EOF >> conftest.c
1059 {0, (__ptr_t) 0}
1060};
1061
1062#ifdef __cplusplus
1063}
1064#endif
1065EOF
1066 # Now try linking the two files.
1067 mv conftest.o conftestm.o
1068 save_LIBS="$LIBS"
1069 save_CFLAGS="$CFLAGS"
1070 LIBS='conftestm.o'
1071 CFLAGS="$CFLAGS$no_builtin_flag"
1072 if { (eval echo $progname:1072: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1073 pipe_works=yes
1074 else
1075 echo "$progname: failed program was:" >&5
1076 cat conftest.c >&5
1077 fi
1078 LIBS="$save_LIBS"
1079 else
1080 echo "cannot find nm_test_func in $nlist" >&5
1081 fi
1082 else
1083 echo "cannot find nm_test_var in $nlist" >&5
1084 fi
1085 else
1086 echo "cannot run $global_symbol_pipe" >&5
1087 fi
1088else
1089 echo "$progname: failed program was:" >&5
1090 cat conftest.c >&5
1091fi
1092$rm conftest*
1093
1094# Do not use the global_symbol_pipe unless it works.
1095echo "$ac_t$pipe_works" 1>&6
1096test "$pipe_works" = yes || global_symbol_pipe=
1097
1098# Check hardcoding attributes.
1099echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1100hardcode_action=
1101if test -n "$hardcode_libdir_flag_spec" || \
1102 test -n "$runpath_var"; then
1103
1104 # We can hardcode non-existant directories.
1105 if test "$hardcode_direct" != no && \
1106 test "$hardcode_minus_L" != no && \
1107 test "$hardcode_shlibpath_var" != no; then
1108
1109 # Linking always hardcodes the temporary library directory.
1110 hardcode_action=relink
1111 else
1112 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1113 hardcode_action=immediate
1114 fi
1115elif test "$hardcode_direct" != yes && \
1116 test "$hardcode_minus_L" != yes && \
1117 test "$hardcode_shlibpath_var" != yes; then
1118 # We cannot hardcode anything.
1119 hardcode_action=unsupported
1120else
1121 # We can only hardcode existing directories.
1122 hardcode_action=relink
1123fi
1124echo "$ac_t$hardcode_action" 1>&6
1125test "$hardcode_action" = unsupported && can_build_shared=no
1126
1127
1128reload_flag=
1129reload_cmds='$LD$reload_flag -o $output$reload_objs'
1130echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1131# PORTME Some linker may need a different reload flag.
1132reload_flag='-r'
1133echo "$ac_t$reload_flag"
1134test -n "$reload_flag" && reload_flag=" $reload_flag"
1135
1136# PORTME Fill in your ld.so characteristics
1137library_names_spec=
1138libname_spec='lib$name'
1139soname_spec=
1140postinstall_cmds=
1141postuninstall_cmds=
1142finish_cmds=
1143finish_eval=
1144shlibpath_var=
1145version_type=none
1146dynamic_linker="$host_os ld.so"
1147
1148echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1149case "$host_os" in
1150aix3* | aix4*)
1151 version_type=linux
1152 library_names_spec='${libname}${release}.so.$versuffix $libname.a'
1153 shlibpath_var=LIBPATH
1154
1155 # AIX has no versioning support, so we append a major version to the name.
1156 soname_spec='${libname}${release}.so.$major'
1157 ;;
1158
1159amigaos*)
1160 library_names_spec='$libname.ixlibrary $libname.a'
1161 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1162 finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done'
1163 ;;
1164
1165cygwin32*)
1166 library_names_spec='${libname}${release}.dll $libname.a'
1167 dynamic_linker='Win32 ld.exe'
1168 shlibpath_var=PATH
1169 ;;
1170
1171freebsd2* | freebsd3*)
1172 version_type=sunos
1173 library_names_spec='${libname}${release}.so.$versuffix $libname.so'
1174 finish_cmds='PATH="$PATH:/sbin" ldconfig -m $libdir'
1175 shlibpath_var=LD_LIBRARY_PATH
1176 ;;
1177
1178gnu*)
1179 version_type=sunos
1180 library_names_spec='${libname}${release}.so.$versuffix'
1181 shlibpath_var=LD_LIBRARY_PATH
1182 ;;
1183
1184hpux9* | hpux10* | hpux11*)
1185 # Give a soname corresponding to the major version so that dld.sl refuses to
1186 # link against other versions.
1187 dynamic_linker="$host_os dld.sl"
1188 version_type=sunos
1189 shlibpath_var=SHLIB_PATH
1190 library_names_spec='${libname}${release}.sl.$versuffix ${libname}${release}.sl.$major $libname.sl'
1191 soname_spec='${libname}${release}.sl.$major'
1192 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1193 postinstall_cmds='chmod 555 $lib'
1194 ;;
1195
1196irix5* | irix6*)
1197 version_type=osf
1198 soname_spec='${libname}${release}.so'
1199 library_names_spec='${libname}${release}.so.$versuffix $libname.so'
1200 shlibpath_var=LD_LIBRARY_PATH
1201 ;;
1202
1203# No shared lib support for Linux oldld, aout, or coff.
1204linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1205 dynamic_linker=no
1206 ;;
1207
1208# This must be Linux ELF.
1209linux-gnu*)
1210 version_type=linux
1211 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major $libname.so'
1212 soname_spec='${libname}${release}.so.$major'
1213 finish_cmds='PATH="$PATH:/sbin" ldconfig -n $libdir'
1214 shlibpath_var=LD_LIBRARY_PATH
1215
1216 if test -f /lib/ld.so.1; then
1217 dynamic_linker='GNU ld.so'
1218 else
1219 # Only the GNU ld.so supports shared libraries on MkLinux.
1220 case "$host_cpu" in
1221 powerpc*) dynamic_linker=no ;;
1222 *) dynamic_linker='Linux ld.so' ;;
1223 esac
1224 fi
1225 ;;
1226
1227netbsd* | openbsd*)
1228 version_type=sunos
1229 library_names_spec='${libname}${release}.so.$versuffix'
1230 finish_cmds='PATH="$PATH:/sbin" ldconfig -m $libdir'
1231 shlibpath_var=LD_LIBRARY_PATH
1232 ;;
1233
1234os2*)
1235 libname_spec='$name'
1236 library_names_spec='$libname.dll $libname.a'
1237 dynamic_linker='OS/2 ld.exe'
1238 shlibpath_var=LIBPATH
1239 ;;
1240
1241osf3* | osf4*)
1242 version_type=osf
1243 soname_spec='${libname}${release}.so'
1244 library_names_spec='${libname}${release}.so.$versuffix $libname.so'
1245 shlibpath_var=LD_LIBRARY_PATH
1246 ;;
1247
1248sco3.2v5*)
1249 version_type=osf
1250 soname_spec='${libname}${release}.so.$major'
1251 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major $libname.so'
1252 shlibpath_var=LD_LIBRARY_PATH
1253 ;;
1254
1255solaris2*)
1256 version_type=linux
1257 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major $libname.so'
1258 soname_spec='${libname}${release}.so.$major'
1259 shlibpath_var=LD_LIBRARY_PATH
1260 ;;
1261
1262sunos4*)
1263 version_type=sunos
1264 library_names_spec='${libname}${release}.so.$versuffix'
1265 finish_cmds='PATH="$PATH:/usr/etc" ldconfig $libdir'
1266 shlibpath_var=LD_LIBRARY_PATH
1267 ;;
1268
1269sysv4.2uw2*)
1270 version_type=linux
1271 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major $libname.so'
1272 soname_spec='${libname}${release}.so.$major'
1273 shlibpath_var=LD_LIBRARY_PATH
1274 ;;
1275
1276uts4*)
1277 version_type=linux
1278 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major $libname.so'
1279 soname_spec='${libname}${release}.so.$major'
1280 shlibpath_var=LD_LIBRARY_PATH
1281 ;;
1282
1283*)
1284 dynamic_linker=no
1285 ;;
1286esac
1287echo "$ac_t$dynamic_linker"
1288test "$dynamic_linker" = no && can_build_shared=no
1289
1290# Report the final consequences.
1291echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1292
1293echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
1294test "$can_build_shared" = "no" && enable_shared=no
1295
1296# On AIX, shared libraries and static libraries use the same namespace, and
1297# are all built from PIC.
1298case "$host_os" in
1299aix*)
1300 test "$enable_shared" = yes && enable_static=no
1301 if test -n "$RANLIB"; then
1302 archive_cmds="$archive_cmds;\$RANLIB \$lib"
1303 postinstall_cmds='$RANLIB $lib'
1304 fi
1305 ;;
1306esac
1307
1308echo "$ac_t$enable_shared" 1>&6
1309
1310# Make sure either enable_shared or enable_static is yes.
1311test "$enable_shared" = yes || enable_static=yes
1312
1313echo "checking whether to build static libraries... $enable_static" 1>&6
1314
1315echo $ac_n "checking for objdir... $ac_c" 1>&6
1316rm -f .libs 2>/dev/null
1317mkdir .libs 2>/dev/null
1318if test -d .libs; then
1319 objdir=.libs
1320else
1321 # MS-DOS does not allow filenames that begin with a dot.
1322 objdir=_libs
1323fi
1324rmdir .libs 2>/dev/null
1325echo "$ac_t$objdir" 1>&6
1326
1327# Copy echo and quote the copy, instead of the original, because it is
1328# used later.
1329ltecho="$echo"
1330
1331# Now quote all the things that may contain metacharacters.
1332for var in ltecho old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
1333 old_LN_S old_DLLTOOL old_AS AR CC LD LN_S NM DLLTOOL AS reload_flag \
1334 reload_cmds wl pic_flag link_static_flag no_builtin_flag \
1335 export_dynamic_flag_spec libname_spec library_names_spec soname_spec RANLIB \
1336 old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
1337 old_postuninstall_cmds archive_cmds postinstall_cmds postuninstall_cmds \
1338 allow_undefined_flag no_undefined_flag \
1339 finish_cmds finish_eval global_symbol_pipe \
1340 hardcode_libdir_flag_spec hardcode_libdir_separator; do
1341
1342 case "$var" in
1343 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
1344 old_postinstall_cmds | old_postuninstall_cmds | archive_cmds | \
1345 postinstall_cmds | postuninstall_cmds | finish_cmds)
1346 # Double-quote double-evaled strings.
1347 eval "$var=\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\"\`"
1348 ;;
1349 *)
1350 eval "$var=\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`"
1351 ;;
1352 esac
1353done
1354
1355ofile=libtool
1356trap "$rm $ofile; exit 1" 1 2 15
1357echo creating $ofile
1358$rm $ofile
1359cat <<EOF > $ofile
1360#! /bin/sh
1361
1362# libtool - Provide generalized library-building support services.
1363# Generated automatically by $PROGRAM - GNU $PACKAGE $VERSION
1364# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
1365#
1366# Copyright (C) 1996-1998 Free Software Foundation, Inc.
1367# Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
1368#
1369# This program is free software; you can redistribute it and/or modify
1370# it under the terms of the GNU General Public License as published by
1371# the Free Software Foundation; either version 2 of the License, or
1372# (at your option) any later version.
1373#
1374# This program is distributed in the hope that it will be useful, but
1375# WITHOUT ANY WARRANTY; without even the implied warranty of
1376# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1377# General Public License for more details.
1378#
1379# You should have received a copy of the GNU General Public License
1380# along with this program; if not, write to the Free Software
1381# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1382#
1383# As a special exception to the GNU General Public License, if you
1384# distribute this file as part of a program that contains a
1385# configuration script generated by Autoconf, you may include it under
1386# the same distribution terms that you use for the rest of that program.
1387
1388# This program was configured as follows,
1389# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
1390#
1391# CC="$old_CC" CFLAGS="$old_CFLAGS" CPPFLAGS="$old_CPPFLAGS" \\
1392# LD="$old_LD" NM="$old_NM" RANLIB="$old_RANLIB" LN_S="$old_LN_S" \\
1393# DLLTOOL="$old_DLLTOOL" AS="$old_AS" \\
1394# $0$ltconfig_args
1395#
1396# Compiler and other test output produced by $progname, useful for
1397# debugging $progname, is in ./config.log if it exists.
1398
1399# Sed that helps us avoid accidentally triggering echo(1) options like -n.
1400Xsed="sed -e s/^X//"
1401
1402# The HP-UX ksh and POSIX shell print the target directory to stdout
1403# if CDPATH is set.
1404if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
1405
1406# An echo program that does not interpret backslashes.
1407echo="$ltecho"
1408
1409# The version of $progname that generated this script.
1410LTCONFIG_VERSION="$VERSION"
1411
1412# Shell to use when invoking shell scripts.
1413SHELL=${CONFIG_SHELL-/bin/sh}
1414
1415# Whether or not to build libtool libraries.
1416build_libtool_libs=$enable_shared
1417
1418# Whether or not to build old-style libraries.
1419build_old_libs=$enable_static
1420
1421# The host system.
1422host_alias="$host_alias"
1423host="$host"
1424
1425# The archiver.
1426AR="$AR"
1427
1428# The default C compiler.
1429CC="$CC"
1430
1431# The linker used to build libraries.
1432LD="$LD"
1433
1434# Whether we need hard or soft links.
1435LN_S="$LN_S"
1436
1437# A BSD-compatible nm program.
1438NM="$NM"
1439
1440# Used on cygwin32: DLL creation program.
1441DLLTOOL="$DLLTOOL"
1442
1443# Used on cygwin32: assembler.
1444AS="$AS"
1445
1446# The name of the directory that contains temporary libtool files.
1447objdir="$objdir"
1448
1449# How to create reloadable object files.
1450reload_flag="$reload_flag"
1451reload_cmds="$reload_cmds"
1452
1453# How to pass a linker flag through the compiler.
1454wl="$wl"
1455
1456# Additional compiler flags for building library objects.
1457pic_flag="$pic_flag"
1458
1459# Compiler flag to prevent dynamic linking.
1460link_static_flag="$link_static_flag"
1461
1462# Compiler flag to turn off builtin functions.
1463no_builtin_flag="$no_builtin_flag"
1464
1465# Compiler flag to allow reflexive dlopens.
1466export_dynamic_flag_spec="$export_dynamic_flag_spec"
1467
1468# Library versioning type.
1469version_type=$version_type
1470
1471# Format of library name prefix.
1472libname_spec="$libname_spec"
1473
1474# List of archive names. First name is the real one, the rest are links.
1475# The last name is the one that the linker finds with -lNAME.
1476library_names_spec="$library_names_spec"
1477
1478# The coded name of the library, if different from the real name.
1479soname_spec="$soname_spec"
1480
1481# Commands used to build and install an old-style archive.
1482RANLIB="$RANLIB"
1483old_archive_cmds="$old_archive_cmds"
1484old_postinstall_cmds="$old_postinstall_cmds"
1485old_postuninstall_cmds="$old_postuninstall_cmds"
1486
1487# Create an old-style archive from a shared archive.
1488old_archive_from_new_cmds="$old_archive_from_new_cmds"
1489
1490# Commands used to build and install a shared archive.
1491archive_cmds="$archive_cmds"
1492postinstall_cmds="$postinstall_cmds"
1493postuninstall_cmds="$postuninstall_cmds"
1494
1495# Flag that allows shared libraries with undefined symbols to be built.
1496allow_undefined_flag="$allow_undefined_flag"
1497
1498# Flag that forces no undefined symbols.
1499no_undefined_flag="$no_undefined_flag"
1500
1501# Commands used to finish a libtool library installation in a directory.
1502finish_cmds="$finish_cmds"
1503
1504# Same as above, but a single script fragment to be evaled but not shown.
1505finish_eval="$finish_eval"
1506
1507# Take the output of nm and produce a listing of raw symbols and C names.
1508global_symbol_pipe="$global_symbol_pipe"
1509
1510# This is the shared library runtime path variable.
1511runpath_var=$runpath_var
1512
1513# This is the shared library path variable.
1514shlibpath_var=$shlibpath_var
1515
1516# How to hardcode a shared library path into an executable.
1517hardcode_action=$hardcode_action
1518
1519# Flag to hardcode \$libdir into a binary during linking.
1520# This must work even if \$libdir does not exist.
1521hardcode_libdir_flag_spec="$hardcode_libdir_flag_spec"
1522
1523# Whether we need a single -rpath flag with a separated argument.
1524hardcode_libdir_separator="$hardcode_libdir_separator"
1525
1526# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
1527# resulting binary.
1528hardcode_direct=$hardcode_direct
1529
1530# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
1531# resulting binary.
1532hardcode_minus_L=$hardcode_minus_L
1533
1534# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
1535# the resulting binary.
1536hardcode_shlibpath_var=$hardcode_shlibpath_var
1537
1538EOF
1539
1540case "$host_os" in
1541aix3*)
1542 cat <<\EOF >> $ofile
1543# AIX sometimes has problems with the GCC collect2 program. For some
1544# reason, if we set the COLLECT_NAMES environment variable, the problems
1545# vanish in a puff of smoke.
1546if test "${COLLECT_NAMES+set}" != set; then
1547 COLLECT_NAMES=
1548 export COLLECT_NAMES
1549fi
1550
1551EOF
1552 ;;
1553esac
1554
1555# Append the ltmain.sh script.
1556cat "$ltmain" >> $ofile || (rm -f $ofile; exit 1)
1557
1558chmod +x $ofile
1559exit 0
1560
1561# Local Variables:
1562# mode:shell-script
1563# sh-indentation:2
1564# End:
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