1999-05-10 DJ Delorie <dj@cygnus.com>
[deliverable/binutils-gdb.git] / ltconfig
CommitLineData
252b5132
RH
1#! /bin/sh
2
3# ltconfig - Create a system-specific libtool.
4# Copyright (C) 1996-1999 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# Check that we are running under the correct shell.
29SHELL=${CONFIG_SHELL-/bin/sh}
30echo=echo
31if test "X$1" = X--no-reexec; then
32 # Discard the --no-reexec flag, and continue.
33 shift
34elif test "X$1" = X--fallback-echo; then
35 # used as fallback echo
36 shift
37 cat <<EOF
38$*
39EOF
40 exit 0
41elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
42 # Yippee, $echo works!
43 :
44else
45 # Restart under the correct shell.
46 exec "$SHELL" "$0" --no-reexec ${1+"$@"}
47fi
48
49# Find the correct PATH separator. Usually this is `:', but
50# DJGPP uses `;' like DOS.
51if test "X${PATH_SEPARATOR+set}" != "Xset"; then
52 UNAME=${UNAME-`uname 2>/dev/null`}
53 case X$UNAME in
54 *-DOS) PATH_SEPARATOR=';' ;;
55 *) PATH_SEPARATOR=':' ;;
56 esac
57fi
58
59# The HP-UX ksh and POSIX shell print the target directory to stdout
60# if CDPATH is set.
61if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
62
63if test "X${echo_test_string+set}" != "Xset"; then
64 # find a string as large as possible, as long as the shell can cope with it
65 for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
66 # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
67 if (echo_test_string="`eval $cmd`") 2>/dev/null &&
68 echo_test_string="`eval $cmd`" &&
69 (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
70 break
71 fi
72 done
73fi
74
75if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
76 test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
77 # The Solaris, AIX, and Digital Unix default echo programs unquote
78 # backslashes. This makes it impossible to quote backslashes using
79 # echo "$something" | sed 's/\\/\\\\/g'
80 #
81 # So, first we look for a working echo in the user's PATH.
82
83 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
84 for dir in $PATH /usr/ucb; do
85 if test -f $dir/echo &&
86 test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
87 test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
88 echo="$dir/echo"
89 break
90 fi
91 done
92 IFS="$save_ifs"
93
94 if test "X$echo" = Xecho; then
95 # We didn't find a better echo, so look for alternatives.
96 if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
97 test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
98 # This shell has a builtin print -r that does the trick.
99 echo='print -r'
100 elif test -f /bin/ksh && test "X$CONFIG_SHELL" != X/bin/ksh; then
101 # If we have ksh, try running ltconfig again with it.
102 ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
103 export ORIGINAL_CONFIG_SHELL
104 CONFIG_SHELL=/bin/ksh
105 export CONFIG_SHELL
106 exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
107 else
108 # Try using printf.
109 echo='printf "%s\n"'
110 if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
111 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
112 # Cool, printf works
113 :
114 elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
115 test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
116 CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
117 export CONFIG_SHELL
118 SHELL="$CONFIG_SHELL"
119 export SHELL
120 echo="$CONFIG_SHELL $0 --fallback-echo"
121 elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
122 test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
123 echo="$CONFIG_SHELL $0 --fallback-echo"
124 else
125 # maybe with a smaller string...
126 prev=:
127
128 for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
129 if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
130 break
131 fi
132 prev="$cmd"
133 done
134
135 if test "$prev" != 'sed 50q "$0"'; then
136 echo_test_string=`eval $prev`
137 export echo_test_string
138 exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
139 else
140 # Oops. We lost completely, so just stick with echo.
141 echo=echo
142 fi
143 fi
144 fi
145 fi
146fi
147
148# Sed substitution that helps us do robust quoting. It backslashifies
149# metacharacters that are still active within double-quoted strings.
150Xsed='sed -e s/^X//'
151sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
152
153# Same as above, but do not quote variable references.
154double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
155
156# Sed substitution to delay expansion of an escaped shell variable in a
157# double_quote_subst'ed string.
158delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
159
160# The name of this program.
161progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
162
163# Constants:
164PROGRAM=ltconfig
165PACKAGE=libtool
166VERSION=1.2f
167TIMESTAMP=" (1.385 1999/03/15 17:24:54)"
168ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
169ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
170rm="rm -f"
171
172help="Try \`$progname --help' for more information."
173
174# Global variables:
175default_ofile=libtool
176can_build_shared=yes
177enable_shared=yes
178# All known linkers require a `.a' archive for static linking.
179enable_static=yes
180enable_fast_install=yes
181enable_dlopen=unknown
182ltmain=
183silent=
184srcdir=
185ac_config_guess=
186ac_config_sub=
187host=
188nonopt=
189ofile="$default_ofile"
190verify_host=yes
191with_gcc=no
192with_gnu_ld=no
193need_locks=yes
194ac_ext=c
195objext=o
196libext=a
197cache_file=
198
199old_AR="$AR"
200old_CC="$CC"
201old_CFLAGS="$CFLAGS"
202old_CPPFLAGS="$CPPFLAGS"
203old_LD="$LD"
204old_LN_S="$LN_S"
205old_NM="$NM"
206old_RANLIB="$RANLIB"
207old_DLLTOOL="$DLLTOOL"
208old_AS="$AS"
209
210# Parse the command line options.
211args=
212prev=
213for option
214do
215 case "$option" in
216 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
217 *) optarg= ;;
218 esac
219
220 # If the previous option needs an argument, assign it.
221 if test -n "$prev"; then
222 eval "$prev=\$option"
223 prev=
224 continue
225 fi
226
227 case "$option" in
228 --help) cat <<EOM
229Usage: $progname [OPTION]... [HOST [LTMAIN]]
230
231Generate a system-specific libtool script.
232
233 --debug enable verbose shell tracing
234 --disable-shared do not build shared libraries
235 --disable-static do not build static libraries
236 --disable-fast-install do not optimize for fast installation
237 --enable-dlopen enable dlopen support
238 --enable-dlopen-self enable support for dlopening programs
239 --help display this help and exit
240 --no-verify do not verify that HOST is a valid host type
241-o, --output=FILE specify the output file [default=$default_ofile]
242 --quiet same as \`--silent'
243 --silent do not print informational messages
244 --srcdir=DIR find \`config.guess' in DIR
245 --version output version information and exit
246 --with-gcc assume that the GNU C compiler will be used
247 --with-gnu-ld assume that the C compiler uses the GNU linker
248 --disable-lock disable file locking
249 --cache-file=FILE configure cache file
250
251LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
252that provides basic libtool functionality.
253
254HOST is the canonical host system name [default=guessed].
255EOM
256 exit 0
257 ;;
258
259 --debug)
260 echo "$progname: enabling shell trace mode"
261 set -x
262 ;;
263
264 --disable-shared) enable_shared=no ;;
265
266 --disable-static) enable_static=no ;;
267
268 --disable-fast-install) enable_fast_install=no ;;
269
270 --enable-dlopen) enable_dlopen=yes ;;
271
272 --quiet | --silent) silent=yes ;;
273
274 --srcdir) prev=srcdir ;;
275 --srcdir=*) srcdir="$optarg" ;;
276
277 --no-verify) verify_host=no ;;
278
279 --output | -o) prev=ofile ;;
280 --output=*) ofile="$optarg" ;;
281
282 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
283
284 --with-gcc) with_gcc=yes ;;
285 --with-gnu-ld) with_gnu_ld=yes ;;
286
287 --disable-lock) need_locks=no ;;
288
289 --cache-file=*) cache_file="$optarg" ;;
290
291 -*)
292 echo "$progname: unrecognized option \`$option'" 1>&2
293 echo "$help" 1>&2
294 exit 1
295 ;;
296
297 *)
298 if test -z "$ltmain"; then
299 ltmain="$option"
300 elif test -z "$host"; then
301# This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
302# if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
303# echo "$progname: warning \`$option' is not a valid host type" 1>&2
304# fi
305 host="$option"
306 else
307 echo "$progname: too many arguments" 1>&2
308 echo "$help" 1>&2
309 exit 1
310 fi ;;
311 esac
312done
313
314if test -z "$ltmain"; then
315 echo "$progname: you must specify a LTMAIN file" 1>&2
316 echo "$help" 1>&2
317 exit 1
318fi
319
320if test ! -f "$ltmain"; then
321 echo "$progname: \`$ltmain' does not exist" 1>&2
322 echo "$help" 1>&2
323 exit 1
324fi
325
326# Quote any args containing shell metacharacters.
327ltconfig_args=
328for arg
329do
330 case "$arg" in
331 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
332 ltconfig_args="$ltconfig_args '$arg'" ;;
333 *) ltconfig_args="$ltconfig_args $arg" ;;
334 esac
335done
336
337# A relevant subset of AC_INIT.
338
339# File descriptor usage:
340# 0 standard input
341# 1 file creation
342# 2 errors and warnings
343# 3 some systems may open it to /dev/tty
344# 4 used on the Kubota Titan
345# 5 compiler messages saved in config.log
346# 6 checking for... messages and results
347if test "$silent" = yes; then
348 exec 6>/dev/null
349else
350 exec 6>&1
351fi
352exec 5>>./config.log
353
354# NLS nuisances.
355# Only set LANG and LC_ALL to C if already set.
356# These must not be set unconditionally because not all systems understand
357# e.g. LANG=C (notably SCO).
358if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
359if test "${LANG+set}" = set; then LANG=C; export LANG; fi
360
361if test -n "$cache_file" && test -r "$cache_file"; then
362 echo "loading cache $cache_file within ltconfig"
363 . $cache_file
364fi
365
366if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
367 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
368 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
369 ac_n= ac_c='
370' ac_t=' '
371 else
372 ac_n=-n ac_c= ac_t=
373 fi
374else
375 ac_n= ac_c='\c' ac_t=
376fi
377
378if test -z "$srcdir"; then
379 # Assume the source directory is the same one as the path to LTMAIN.
380 srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
381 test "$srcdir" = "$ltmain" && srcdir=.
382fi
383
384trap "$rm conftest*; exit 1" 1 2 15
385if test "$verify_host" = yes; then
386 # Check for config.guess and config.sub.
387 ac_aux_dir=
388 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
389 if test -f $ac_dir/config.guess; then
390 ac_aux_dir=$ac_dir
391 break
392 fi
393 done
394 if test -z "$ac_aux_dir"; then
395 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
396 echo "$help" 1>&2
397 exit 1
398 fi
399 ac_config_guess=$ac_aux_dir/config.guess
400 ac_config_sub=$ac_aux_dir/config.sub
401
402 # Make sure we can run config.sub.
403 if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
404 else
405 echo "$progname: cannot run $ac_config_sub" 1>&2
406 echo "$help" 1>&2
407 exit 1
408 fi
409
410 echo $ac_n "checking host system type""... $ac_c" 1>&6
411
412 host_alias=$host
413 case "$host_alias" in
414 "")
415 if host_alias=`$SHELL $ac_config_guess`; then :
416 else
417 echo "$progname: cannot guess host type; you must specify one" 1>&2
418 echo "$help" 1>&2
419 exit 1
420 fi ;;
421 esac
422 host=`$SHELL $ac_config_sub $host_alias`
423 echo "$ac_t$host" 1>&6
424
425 # Make sure the host verified.
426 test -z "$host" && exit 1
427
428elif test -z "$host"; then
429 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
430 echo "$help" 1>&2
431 exit 1
432else
433 host_alias=$host
434fi
435
436# Transform linux* to *-*-linux-gnu*, to support old configure scripts.
437case "$host_os" in
438linux-gnu*) ;;
439linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
440esac
441
442host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
443host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
444host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
445
446case "$host_os" in
447aix3*)
448 # AIX sometimes has problems with the GCC collect2 program. For some
449 # reason, if we set the COLLECT_NAMES environment variable, the problems
450 # vanish in a puff of smoke.
451 if test "${COLLECT_NAMES+set}" != set; then
452 COLLECT_NAMES=
453 export COLLECT_NAMES
454 fi
455 ;;
456esac
457
458# Determine commands to create old-style static archives.
459old_archive_cmds='$AR cru $oldlib$oldobjs'
460old_postinstall_cmds='chmod 644 $oldlib'
461old_postuninstall_cmds=
462
463# Set a sane default for `AR'.
464test -z "$AR" && AR=ar
465
466# If RANLIB is not set, then run the test.
467if test "${RANLIB+set}" != "set"; then
468 result=no
469
470 echo $ac_n "checking for ranlib... $ac_c" 1>&6
471 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
472 for dir in $PATH; do
473 test -z "$dir" && dir=.
474 if test -f $dir/ranlib; then
475 RANLIB="ranlib"
476 result="ranlib"
477 break
478 fi
479 done
480 IFS="$save_ifs"
481
482 echo "$ac_t$result" 1>&6
483fi
484
485if test -n "$RANLIB"; then
486 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
487 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
488fi
489
490# Set sane defaults for `DLLTOOL' and `AS', used on cygwin.
491test -z "$DLLTOOL" && DLLTOOL=dlltool
492test -z "$AS" && AS=as
493
494# Check to see if we are using GCC.
495if test "$with_gcc" != yes || test -z "$CC"; then
496 # If CC is not set, then try to find GCC or a usable CC.
497 if test -z "$CC"; then
498 echo $ac_n "checking for gcc... $ac_c" 1>&6
499 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
500 for dir in $PATH; do
501 IFS="$save_ifs"
502 test -z "$dir" && dir=.
503 if test -f $dir/gcc; then
504 CC="gcc"
505 break
506 fi
507 done
508 IFS="$save_ifs"
509
510 if test -n "$CC"; then
511 echo "$ac_t$CC" 1>&6
512 else
513 echo "$ac_t"no 1>&6
514 fi
515 fi
516
517 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
518 if test -z "$CC"; then
519 echo $ac_n "checking for cc... $ac_c" 1>&6
520 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
521 cc_rejected=no
522 for dir in $PATH; do
523 test -z "$dir" && dir=.
524 if test -f $dir/cc; then
525 if test "$dir/cc" = "/usr/ucb/cc"; then
526 cc_rejected=yes
527 continue
528 fi
529 CC="cc"
530 break
531 fi
532 done
533 IFS="$save_ifs"
534 if test $cc_rejected = yes; then
535 # We found a bogon in the path, so make sure we never use it.
536 set dummy $CC
537 shift
538 if test $# -gt 0; then
539 # We chose a different compiler from the bogus one.
540 # However, it has the same name, so the bogon will be chosen
541 # first if we set CC to just the name; use the full file name.
542 shift
543 set dummy "$dir/cc" "$@"
544 shift
545 CC="$@"
546 fi
547 fi
548
549 if test -n "$CC"; then
550 echo "$ac_t$CC" 1>&6
551 else
552 echo "$ac_t"no 1>&6
553 fi
554
555 if test -z "$CC"; then
556 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
557 exit 1
558 fi
559 fi
560
561 # Now see if the compiler is really GCC.
562 with_gcc=no
563 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
564 echo "$progname:564: checking whether we are using GNU C" >&5
565
566 $rm conftest.c
567 cat > conftest.c <<EOF
568#ifdef __GNUC__
569 yes;
570#endif
571EOF
572 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:572: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
573 with_gcc=yes
574 fi
575 $rm conftest.c
576 echo "$ac_t$with_gcc" 1>&6
577fi
578
579# Allow CC to be a program name with arguments.
580set dummy $CC
581compiler="$2"
582
583echo $ac_n "checking for object suffix... $ac_c" 1>&6
584$rm conftest*
585echo 'int i = 1;' > conftest.c
586echo "$progname:586: checking for object suffix" >& 5
587if { (eval echo $progname:587: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
588 # Append any warnings to the config.log.
589 cat conftest.err 1>&5
590
591 for ac_file in conftest.*; do
592 case $ac_file in
593 *.c) ;;
594 *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
595 esac
596 done
597else
598 cat conftest.err 1>&5
599 echo "$progname: failed program was:" >&5
600 cat conftest.c >&5
601fi
602$rm conftest*
603echo "$ac_t$objext" 1>&6
604
605echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
606pic_flag=
607special_shlib_compile_flags=
608wl=
609link_static_flag=
610no_builtin_flag=
611
612if test "$with_gcc" = yes; then
613 wl='-Wl,'
614 link_static_flag='-static'
615
616 case "$host_os" in
617 beos* | irix5* | irix6* | osf3* | osf4*)
618 # PIC is the default for these OSes.
619 ;;
620 aix*)
621 # Below there is a dirty hack to force normal static linking with -ldl
622 # The problem is because libdl dynamically linked with both libc and
623 # libC (AIX C++ library), which obviously doesn't included in libraries
624 # list by gcc. This cause undefined symbols with -static flags.
625 # This hack allows C programs to be linked with "-static -ldl", but
626 # we not sure about C++ programs.
627 link_static_flag="$link_static_flag ${wl}-lC"
628 ;;
629 cygwin* | mingw* | os2*)
630 # We can build DLLs from non-PIC.
631 ;;
632 amigaos*)
633 # FIXME: we need at least 68020 code to build shared libraries, but
634 # adding the `-m68020' flag to GCC prevents building anything better,
635 # like `-m68040'.
636 pic_flag='-m68020 -resident32 -malways-restore-a4'
637 ;;
638 *)
639 pic_flag='-fPIC'
640 ;;
641 esac
642else
643 # PORTME Check for PIC flags for the system compiler.
644 case "$host_os" in
645 aix3* | aix4*)
646 # All AIX code is PIC.
647 link_static_flag='-bnso -bI:/lib/syscalls.exp'
648 ;;
649
650 hpux9* | hpux10* | hpux11*)
651 # Is there a better link_static_flag that works with the bundled CC?
652 wl='-Wl,'
653 link_static_flag="${wl}-a ${wl}archive"
654 pic_flag='+Z'
655 ;;
656
657 irix5* | irix6*)
658 wl='-Wl,'
659 link_static_flag='-non_shared'
660 # PIC (with -KPIC) is the default.
661 ;;
662
663 cygwin* | mingw* | os2*)
664 # We can build DLLs from non-PIC.
665 ;;
666
667 osf3* | osf4*)
668 # All OSF/1 code is PIC.
669 wl='-Wl,'
670 link_static_flag='-non_shared'
671 ;;
672
673 sco3.2v5*)
674 pic_flag='-Kpic'
675 link_static_flag='-dn'
676 special_shlib_compile_flags='-belf'
677 ;;
678
679 solaris*)
680 pic_flag='-KPIC'
681 link_static_flag='-Bstatic'
682 wl='-Wl,'
683 ;;
684
685 sunos4*)
686 pic_flag='-PIC'
687 link_static_flag='-Bstatic'
688 wl='-Qoption ld '
689 ;;
690
691 sysv4.2uw2* | sysv4.3* | sysv5*)
692 pic_flag='-KPIC'
693 link_static_flag='-Bstatic'
694 wl='-Wl,'
695 ;;
696
697 uts4*)
698 pic_flag='-pic'
699 link_static_flag='-Bstatic'
700 ;;
701
702 *)
703 can_build_shared=no
704 ;;
705 esac
706fi
707
708if test -n "$pic_flag"; then
709 echo "$ac_t$pic_flag" 1>&6
710
711 # Check to make sure the pic_flag actually works.
712 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
713 $rm conftest*
714 echo "int some_variable = 0;" > conftest.c
715 save_CFLAGS="$CFLAGS"
716 CFLAGS="$CFLAGS $pic_flag -DPIC"
717 echo "$progname:717: checking if $compiler PIC flag $pic_flag works" >&5
718 if { (eval echo $progname:718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
719 # Append any warnings to the config.log.
720 cat conftest.err 1>&5
721
722 case "$host_os" in
723 hpux9* | hpux10* | hpux11*)
724 # On HP-UX, both CC and GCC only warn that PIC is supported... then they
725 # create non-PIC objects. So, if there were any warnings, we assume that
726 # PIC is not supported.
727 if test -s conftest.err; then
728 echo "$ac_t"no 1>&6
729 can_build_shared=no
730 pic_flag=
731 else
732 echo "$ac_t"yes 1>&6
733 pic_flag=" $pic_flag"
734 fi
735 ;;
736 *)
737 echo "$ac_t"yes 1>&6
738 pic_flag=" $pic_flag"
739 ;;
740 esac
741 else
742 # Append any errors to the config.log.
743 cat conftest.err 1>&5
744 can_build_shared=no
745 pic_flag=
746 echo "$ac_t"no 1>&6
747 fi
748 CFLAGS="$save_CFLAGS"
749 $rm conftest*
750else
751 echo "$ac_t"none 1>&6
752fi
753
754# Check to see if options -o and -c are simultaneously supported by compiler
755echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
756$rm conftest*
757echo "int some_variable = 0;" > conftest.c
758save_CFLAGS="$CFLAGS"
759CFLAGS="$CFLAGS -c -o conftest2.o"
760echo "$progname:760: checking if $compiler supports -c -o file.o" >&5
761if { (eval echo $progname:761: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest2.o; then
762
763 # The compiler can only warn and ignore the option if not recognized
764 # So say no if there are warnings
765 if test -s conftest.err; then
766 echo "$ac_t"no 1>&6
767 compiler_c_o=no
768 else
769 echo "$ac_t"yes 1>&6
770 compiler_c_o=yes
771 fi
772else
773 # Append any errors to the config.log.
774 cat conftest.err 1>&5
775 compiler_c_o=no
776 echo "$ac_t"no 1>&6
777fi
778CFLAGS="$save_CFLAGS"
779$rm conftest*
780
781if test x"$compiler_c_o" = x"yes"; then
782 # Check to see if we can write to a .lo
783 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
784 $rm conftest*
785 echo "int some_variable = 0;" > conftest.c
786 save_CFLAGS="$CFLAGS"
787 CFLAGS="$CFLAGS -c -o conftest.lo"
788 echo "$progname:788: checking if $compiler supports -c -o file.lo" >&5
789if { (eval echo $progname:789: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
790
791 # The compiler can only warn and ignore the option if not recognized
792 # So say no if there are warnings
793 if test -s conftest.err; then
794 echo "$ac_t"no 1>&6
795 compiler_o_lo=no
796 else
797 echo "$ac_t"yes 1>&6
798 compiler_o_lo=yes
799 fi
800 else
801 # Append any errors to the config.log.
802 cat conftest.err 1>&5
803 compiler_o_lo=no
804 echo "$ac_t"no 1>&6
805 fi
806 CFLAGS="$save_CFLAGS"
807 $rm conftest*
808else
809 compiler_o_lo=no
810fi
811
812# Check to see if we can do hard links to lock some files if needed
813hard_links="nottested"
814if test "$compiler_c_o" = no && test "$need_locks" != no; then
815 # do not overwrite the value of need_locks provided by the user
816 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
817 hard_links=yes
818 $rm conftest*
819 ln conftest.a conftest.b 2>/dev/null && hard_links=no
820 touch conftest.a
821 ln conftest.a conftest.b 2>&5 || hard_links=no
822 ln conftest.a conftest.b 2>/dev/null && hard_links=no
823 echo "$ac_t$hard_links" 1>&6
824 $rm conftest*
825 if test "$hard_links" = no; then
826 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
827 need_locks=warn
828 fi
829else
830 need_locks=no
831fi
832
833if test "$with_gcc" = yes; then
834 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
835 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
836 $rm conftest*
837 echo "int some_variable = 0;" > conftest.c
838 save_CFLAGS="$CFLAGS"
839 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
840 echo "$progname:840: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
841 if { (eval echo $progname:841: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
842
843 # The compiler can only warn and ignore the option if not recognized
844 # So say no if there are warnings
845 if test -s conftest.err; then
846 echo "$ac_t"no 1>&6
847 compiler_rtti_exceptions=no
848 else
849 echo "$ac_t"yes 1>&6
850 compiler_rtti_exceptions=yes
851 fi
852 else
853 # Append any errors to the config.log.
854 cat conftest.err 1>&5
855 compiler_rtti_exceptions=no
856 echo "$ac_t"no 1>&6
857 fi
858 CFLAGS="$save_CFLAGS"
859 $rm conftest*
860
861 if test "$compiler_rtti_exceptions" = "yes"; then
862 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
863 else
864 no_builtin_flag=' -fno-builtin'
865 fi
866
867fi
868
869# Check for any special shared library compilation flags.
870if test -n "$special_shlib_compile_flags"; then
871 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
872 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then :
873 else
874 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
875 can_build_shared=no
876 fi
877fi
878
879echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
880$rm conftest*
881echo 'main(){return(0);}' > conftest.c
882save_LDFLAGS="$LDFLAGS"
883LDFLAGS="$LDFLAGS $link_static_flag"
884echo "$progname:884: checking if $compiler static flag $link_static_flag works" >&5
885if { (eval echo $progname:885: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
886 echo "$ac_t$link_static_flag" 1>&6
887else
888 echo "$ac_t"none 1>&6
889 link_static_flag=
890fi
891LDFLAGS="$save_LDFLAGS"
892$rm conftest*
893
894if test -z "$LN_S"; then
895 # Check to see if we can use ln -s, or we need hard links.
896 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
897 $rm conftestdata
898 if ln -s X conftestdata 2>/dev/null; then
899 $rm conftestdata
900 LN_S="ln -s"
901 else
902 LN_S=ln
903 fi
904 if test "$LN_S" = "ln -s"; then
905 echo "$ac_t"yes 1>&6
906 else
907 echo "$ac_t"no 1>&6
908 fi
909fi
910
911# Make sure LD is an absolute path.
912if test -z "$LD"; then
913 ac_prog=ld
914 if test "$with_gcc" = yes; then
915 # Check if gcc -print-prog-name=ld gives a path.
916 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
917 echo "$progname:917: checking for ld used by GCC" >&5
918 ac_prog=`($CC -print-prog-name=ld) 2>&5`
919 case "$ac_prog" in
920 # Accept absolute paths.
921 /* | [A-Za-z]:[\\/]*)
922 re_direlt='/[^/][^/]*/\.\./'
923 # Canonicalize the path of ld
924 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
925 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
926 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
927 done
928 test -z "$LD" && LD="$ac_prog"
929 ;;
930 "")
931 # If it fails, then pretend we are not using GCC.
932 ac_prog=ld
933 ;;
934 *)
935 # If it is relative, then search for the first ld in PATH.
936 with_gnu_ld=unknown
937 ;;
938 esac
939 elif test "$with_gnu_ld" = yes; then
940 echo $ac_n "checking for GNU ld... $ac_c" 1>&6
941 echo "$progname:941: checking for GNU ld" >&5
942 else
943 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
944 echo "$progname:944: checking for non-GNU ld" >&5
945 fi
946
947 if test -z "$LD"; then
948 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
949 for ac_dir in $PATH; do
950 test -z "$ac_dir" && ac_dir=.
951 if test -f "$ac_dir/$ac_prog"; then
952 LD="$ac_dir/$ac_prog"
953 # Check to see if the program is GNU ld. I'd rather use --version,
954 # but apparently some GNU ld's only accept -v.
955 # Break only if it was the GNU/non-GNU ld that we prefer.
956 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
957 test "$with_gnu_ld" != no && break
958 else
959 test "$with_gnu_ld" != yes && break
960 fi
961 fi
962 done
963 IFS="$ac_save_ifs"
964 fi
965
966 if test -n "$LD"; then
967 echo "$ac_t$LD" 1>&6
968 else
969 echo "$ac_t"no 1>&6
970 fi
971
972 if test -z "$LD"; then
973 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
974 exit 1
975 fi
976fi
977
978# Check to see if it really is or is not GNU ld.
979echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
980# I'd rather use --version here, but apparently some GNU ld's only accept -v.
981if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
982 with_gnu_ld=yes
983else
984 with_gnu_ld=no
985fi
986echo "$ac_t$with_gnu_ld" 1>&6
987
988# See if the linker supports building shared libraries.
989echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
990
991allow_undefined_flag=
992no_undefined_flag=
993need_lib_prefix=unknown
994need_version=unknown
995# when you set need_version to no, make sure it does not cause -set_version
996# flags to be left without arguments
997archive_cmds=
998archive_expsym_cmds=
999old_archive_from_new_cmds=
1000export_dynamic_flag_spec=
1001whole_archive_flag_spec=
1002thread_safe_flag_spec=
1003hardcode_libdir_flag_spec=
1004hardcode_libdir_separator=
1005hardcode_direct=no
1006hardcode_minus_L=no
1007hardcode_shlibpath_var=unsupported
1008runpath_var=
1009always_export_symbols=no
1010export_symbols_cmds='$NM $libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1011# include_expsyms should be a list of space-separated symbols to be *always*
1012# included in the symbol list
1013include_expsyms=
1014# exclude_expsyms can be an egrep regular expression of symbols to exclude
1015# it will be wrapped by ` (' and `)$', so one must not match beginning or
1016# end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1017# as well as any symbol that contains `d'.
1018exclude_expsyms=
1019
1020case "$host_os" in
1021cygwin* | mingw*)
1022 # FIXME: the MSVC++ port hasn't been tested in a loooong time
1023 # When not using gcc, we currently assume that we are using
1024 # Microsoft Visual C++.
1025 if test "$with_gcc" != yes; then
1026 with_gnu_ld=no
1027 fi
1028 ;;
1029
1030freebsd2* | sunos4*)
1031 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1032 ;;
1033
1034esac
1035
1036ld_shlibs=yes
1037if test "$with_gnu_ld" = yes; then
1038 # If archive_cmds runs LD, not CC, wlarc should be empty
1039 wlarc='${wl}'
1040
1041 # See if GNU ld supports shared libraries.
1042 case "$host_os" in
1043 aix3* | aix4*)
1044 # On AIX, the GNU linker is very broken
1045 ld_shlibs=no
1046 cat <<EOF 1>&2
1047
1048*** Warning: the GNU linker, at least up to release 2.9.1, is reported
1049*** to be unable to reliably create shared libraries on AIX.
1050*** Therefore, libtool is disabling shared libraries support. If you
1051*** really care for shared libraries, you may want to modify your PATH
1052*** so that a non-GNU linker is found, and then restart.
1053
1054EOF
1055 ;;
1056
1057 amigaos*)
1058 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1059 hardcode_libdir_flag_spec='-L$libdir'
1060 hardcode_minus_L=yes
1061 ;;
1062
1063 sunos4*)
1064 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1065 wlarc=
1066 hardcode_direct=yes
1067 hardcode_minus_L=yes
1068 hardcode_shlibpath_var=no
1069 ;;
1070
1071 beos*)
1072 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1073 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1074 else
1075 ld_shlibs=no
1076 fi
1077 ;;
1078
1079 cygwin* | mingw*)
1080 # hardcode_libdir_flag_spec is actually meaningless, as there is
1081 # no search path for DLLs.
1082 hardcode_libdir_flag_spec='-L$libdir'
1083 allow_undefined_flag=unsupported
1084 always_export_symbols=yes
1085
1086 # Extract the symbol export list from an `--export-all' def file,
1087 # then regenerate the def file from the symbol export list, so that
1088 # the compiled dll only exports the symbol export list.
1089 export_symbols_cmds='rm -f $objdir/$soname-ltdll.c~
1090 sed -e "/^# \/\* ltdll.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1091 (cd $objdir && $CC -c $soname-ltdll.c)~
1092 $DLLTOOL --export-all --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def $objdir/$soname-ltdll.$objext $libobjs~
1093 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols'
1094
1095 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1096 _lt_hint=1;
1097 for symbol in `cat $export_symbols`; do
1098 echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def;
1099 _lt_hint=`expr 1 + \$_lt_hint`;
1100 done~
1101 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1102 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1103 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1104 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1105 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts'
1106
1107 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1108 ;;
1109
1110 *)
1111 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1112 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1113 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1114 else
1115 ld_shlibs=no
1116 fi
1117 ;;
1118 esac
1119
1120 if test "$ld_shlibs" = yes; then
1121 runpath_var=LD_RUN_PATH
1122 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1123 export_dynamic_flag_spec='${wl}--export-dynamic'
1124 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1125 fi
1126else
1127 # PORTME fill in a description of your system's linker (not GNU ld)
1128 case "$host_os" in
1129 aix3*)
1130 allow_undefined_flag=unsupported
1131 always_export_symbols=yes
1132 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1133 # Note: this linker hardcodes the directories in LIBPATH if there
1134 # are no directories specified by -L.
1135 hardcode_minus_L=yes
1136 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1137 # Neither direct hardcoding nor static linking is supported with a
1138 # broken collect2.
1139 hardcode_direct=unsupported
1140 fi
1141 ;;
1142
1143 aix4*)
1144 allow_undefined_flag=
1145 if test "$with_gcc" = yes; then
1146 if strings `${CC} -print-prog-name=collect2` | \
1147 grep resolve_lib_name >/dev/null
1148 then
1149 # We have reworked collect2
1150 hardcode_direct=yes
1151 else
1152 # We have old collect2
1153 hardcode_direct=unsupported
1154 fi
1155 archive_cmds='$CC -shared ${wl}-bnoentry -o $objdir/$soname $libobjs $deplibs $linkopts'
1156 else
1157 always_export_symbols=yes
1158 archive_expsym_cmds='$CC -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bM:SRE ${wl}-bnoentry'
1159 hardcode_direct=yes
1160 fi
1161 hardcode_minus_L=yes
1162 # Though LIBPATH variable hardcodes shlibpath into executable,
1163 # it doesn't affect searching for -l* libraries; this confuses
1164 # tests in mdemo.
1165 hardcode_shlibpath_var=unsupported
1166 hardcode_libdir_flag_spec='-L$libdir'
1167 ;;
1168
1169 amigaos*)
1170 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 $objdir && a2ixlibrary -32)'
1171 hardcode_libdir_flag_spec='-L$libdir'
1172 hardcode_minus_L=yes
1173 ;;
1174
1175 cygwin* | mingw*)
1176 # When not using gcc, we currently assume that we are using
1177 # Microsoft Visual C++.
1178 # hardcode_libdir_flag_spec is actually meaningless, as there is
1179 # no search path for DLLs.
1180 hardcode_libdir_flag_spec=' '
1181 allow_undefined_flag=unsupported
1182 # Tell ltmain to make .lib files, not .a files.
1183 libext=lib
1184 # FIXME: Setting linknames here is a bad hack.
1185 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1186 # The linker will automatically build a .lib file if we build a DLL.
1187 old_archive_from_new_cmds='true'
1188 # FIXME: Should let the user specify the lib program.
1189 old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1190 fix_srcfile_path='`cygpath -w $srcfile`'
1191 ;;
1192
1193 freebsd1*)
1194 ld_shlibs=no
1195 can_build_shared=no
1196 ;;
1197
1198 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1199 # support. Future versions do this automatically, but an explicit c++rt0.o
1200 # does not break anything, and helps significantly (at the cost of a little
1201 # extra space).
1202 freebsd2.2*)
1203 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1204 hardcode_libdir_flag_spec='-R$libdir'
1205 hardcode_direct=yes
1206 hardcode_minus_L=no # verified on 2.2.6
1207 hardcode_shlibpath_var=no
1208 ;;
1209
1210 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1211 freebsd2*)
1212 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1213 hardcode_direct=yes
1214 hardcode_minus_L=yes
1215 hardcode_shlibpath_var=no
1216 ;;
1217
1218 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1219 freebsd*)
1220 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1221 hardcode_libdir_flag_spec='-R$libdir'
1222 hardcode_direct=yes
1223 hardcode_minus_L=no
1224 hardcode_shlibpath_var=no
1225 ;;
1226
1227 hpux9*)
1228 archive_cmds='$rm $objdir/$soname~$LD -b +s +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib'
1229 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1230 hardcode_direct=yes
1231 hardcode_minus_L=yes
1232 export_dynamic_flag_spec='${wl}-E'
1233 ;;
1234
1235 hpux10* | hpux11*)
1236 archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib $libobjs $deplibs $linkopts'
1237 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1238 hardcode_direct=yes
1239 hardcode_minus_L=yes
1240 export_dynamic_flag_spec='${wl}-E'
1241 ;;
1242
1243 irix5* | irix6*)
1244 if test "$with_gcc" = yes; then
1245 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
1246 else
1247 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
1248 fi
1249 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1250 hardcode_libdir_separator=:
1251 ;;
1252
1253 netbsd*)
1254 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1255 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
1256 else
1257 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
1258 fi
1259 hardcode_libdir_flag_spec='${wl}-R$libdir'
1260 hardcode_direct=yes
1261 hardcode_shlibpath_var=no
1262 ;;
1263
1264 openbsd*)
1265 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1266 hardcode_libdir_flag_spec='-R$libdir'
1267 hardcode_direct=yes
1268 hardcode_shlibpath_var=no
1269 ;;
1270
1271 os2*)
1272 hardcode_libdir_flag_spec='-L$libdir'
1273 hardcode_minus_L=yes
1274 allow_undefined_flag=unsupported
1275 archive_cmds='$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 $deplibs $linkopts $objdir/$libname.def'
1276 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1277 ;;
1278
1279 osf3* | osf4*)
1280 if test "$with_gcc" = yes; then
1281 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1282 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
1283 else
1284 allow_undefined_flag=' -expect_unresolved \*'
1285 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
1286 fi
1287 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1288 hardcode_libdir_separator=:
1289 ;;
1290
1291 sco3.2v5*)
1292 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
1293 hardcode_direct=yes
1294 ;;
1295
1296 solaris*)
1297 no_undefined_flag=' -z text'
1298 # $CC -shared without GNU ld will not create a library from C++
1299 # object files and a static libstdc++, better avoid it by now
1300 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1301 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1302 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1303 hardcode_libdir_flag_spec='-R$libdir'
1304 hardcode_shlibpath_var=no
1305 ;;
1306
1307 sunos4*)
1308 # Why do we need -Bstatic? To avoid inter-library dependencies, maybe...
1309 if test "$with_gcc" = yes; then
1310 # Use -fPIC here because libgcc is multilibbed
1311 archive_cmds='$CC -shared ${wl}-Bstatic -fPIC -o $lib $libobjs $deplibs $linkopts'
1312 else
1313 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1314 fi
1315 hardcode_libdir_flag_spec='-L$libdir'
1316 hardcode_direct=yes
1317 hardcode_minus_L=yes
1318 hardcode_shlibpath_var=no
1319 ;;
1320
1321 sysv4.3*)
1322 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1323 hardcode_direct=no
1324 hardcode_minus_L=no
1325 hardcode_shlibpath_var=no
1326 export_dynamic_flag_spec='-Bexport'
1327 ;;
1328
1329 uts4*)
1330 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1331 hardcode_libdir_flag_spec='-L$libdir'
1332 hardcode_direct=no
1333 hardcode_minus_L=no
1334 hardcode_shlibpath_var=no
1335 ;;
1336
1337 dgux*)
1338 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1339 hardcode_libdir_flag_spec='-L$libdir'
1340 hardcode_direct=no
1341 hardcode_minus_L=no
1342 hardcode_shlibpath_var=no
1343 ;;
1344
1345 *)
1346 ld_shlibs=no
1347 can_build_shared=no
1348 ;;
1349 esac
1350fi
1351echo "$ac_t$ld_shlibs" 1>&6
1352
1353if test -z "$NM"; then
1354 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1355 case "$NM" in
1356 /* | [A-Za-z]:[/\\]*) ;; # Let the user override the test with a path.
1357 *)
1358 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1359 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1360 test -z "$ac_dir" && ac_dir=.
1361 if test -f $ac_dir/nm; then
1362 # Check to see if the nm accepts a BSD-compat flag.
1363 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1364 # nm: unknown option "B" ignored
1365 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1366 NM="$ac_dir/nm -B"
1367 break
1368 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1369 NM="$ac_dir/nm -p"
1370 break
1371 else
1372 NM=${NM="$ac_dir/nm"} # keep the first match, but
1373 continue # so that we can try to find one that supports BSD flags
1374 fi
1375 fi
1376 done
1377 IFS="$ac_save_ifs"
1378 test -z "$NM" && NM=nm
1379 ;;
1380 esac
1381 echo "$ac_t$NM" 1>&6
1382fi
1383
1384# Check for command to grab the raw symbol name followed by C symbol from nm.
1385echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1386
1387# These are sane defaults that work on at least a few old systems.
1388# [They come from Ultrix. What could be older than Ultrix?!! ;)]
1389
1390# Character class describing NM global symbol codes.
1391symcode='[BCDEGRST]'
1392
1393# Regexp to match symbols that can be accessed directly from C.
1394sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1395
1396# Transform the above into a raw symbol and a C symbol.
1397symxfrm='\1 \2\3 \3'
1398
1399# Transform an extracted symbol line into a proper C declaration
1400global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1401
1402# Define system-specific variables.
1403case "$host_os" in
1404aix*)
1405 symcode='[BCDT]'
1406 ;;
1407cygwin* | mingw*)
1408 symcode='[ABCDGISTW]'
1409 ;;
1410hpux*) # Its linker distinguishes data from code symbols
1411 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1412 ;;
1413irix*)
1414 symcode='[BCDEGRST]'
1415 ;;
1416solaris*)
1417 symcode='[BDT]'
1418 ;;
1419esac
1420
1421# If we're using GNU nm, then use its standard symbol codes.
1422if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1423 symcode='[ABCDGISTW]'
1424fi
1425
1426# Try without a prefix undercore, then with it.
1427for ac_symprfx in "" "_"; do
1428
1429 # Write the raw and C identifiers.
1430 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1431
1432 # Check to see that the pipe works correctly.
1433 pipe_works=no
1434 $rm conftest*
1435 cat > conftest.c <<EOF
1436#ifdef __cplusplus
1437extern "C" {
1438#endif
1439char nm_test_var;
1440void nm_test_func(){}
1441#ifdef __cplusplus
1442}
1443#endif
1444main(){nm_test_var='a';nm_test_func();return(0);}
1445EOF
1446
1447 echo "$progname:1447: checking if global_symbol_pipe works" >&5
1448 if { (eval echo $progname:1448: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1449 # Now try to grab the symbols.
1450 nlist=conftest.nm
1451 if { echo "$progname:1451: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1452
1453 # Try sorting and uniquifying the output.
1454 if sort "$nlist" | uniq > "$nlist"T; then
1455 mv -f "$nlist"T "$nlist"
1456 else
1457 rm -f "$nlist"T
1458 fi
1459
1460 # Make sure that we snagged all the symbols we need.
1461 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1462 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1463 cat <<EOF > conftest.c
1464#ifdef __cplusplus
1465extern "C" {
1466#endif
1467
1468EOF
1469 # Now generate the symbol file.
1470 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1471
1472 cat <<EOF >> conftest.c
1473#if defined (__STDC__) && __STDC__
1474# define lt_ptr_t void *
1475#else
1476# define lt_ptr_t char *
1477# define const
1478#endif
1479
1480/* The mapping between symbol names and symbols. */
1481const struct {
1482 const char *name;
1483 lt_ptr_t address;
1484}
1485lt_preloaded_symbols[] =
1486{
1487EOF
1488 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1489 cat <<\EOF >> conftest.c
1490 {0, (lt_ptr_t) 0}
1491};
1492
1493#ifdef __cplusplus
1494}
1495#endif
1496EOF
1497 # Now try linking the two files.
1498 mv conftest.$objext conftestm.$objext
1499 save_LIBS="$LIBS"
1500 save_CFLAGS="$CFLAGS"
1501 LIBS="conftestm.$objext"
1502 CFLAGS="$CFLAGS$no_builtin_flag"
1503 if { (eval echo $progname:1503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1504 pipe_works=yes
1505 else
1506 echo "$progname: failed program was:" >&5
1507 cat conftest.c >&5
1508 fi
1509 LIBS="$save_LIBS"
1510 else
1511 echo "cannot find nm_test_func in $nlist" >&5
1512 fi
1513 else
1514 echo "cannot find nm_test_var in $nlist" >&5
1515 fi
1516 else
1517 echo "cannot run $global_symbol_pipe" >&5
1518 fi
1519 else
1520 echo "$progname: failed program was:" >&5
1521 cat conftest.c >&5
1522 fi
1523 $rm conftest*
1524
1525 # Do not use the global_symbol_pipe unless it works.
1526 if test "$pipe_works" = yes; then
1527 break
1528 else
1529 global_symbol_pipe=
1530 fi
1531done
1532echo "$ac_t$pipe_works" 1>&6
1533
1534if test -z "$global_symbol_pipe"; then
1535 global_symbol_to_cdecl=
1536fi
1537
1538# Check hardcoding attributes.
1539echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1540hardcode_action=
1541if test -n "$hardcode_libdir_flag_spec" || \
1542 test -n "$runpath_var"; then
1543
1544 # We can hardcode non-existant directories.
1545 if test "$hardcode_direct" != no && \
1546 test "$hardcode_minus_L" != no && \
1547 test "$hardcode_shlibpath_var" != no; then
1548
1549 # Linking always hardcodes the temporary library directory.
1550 hardcode_action=relink
1551 else
1552 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1553 hardcode_action=immediate
1554 fi
1555else
1556 # We cannot hardcode anything, or else we can only hardcode existing
1557 # directories.
1558 hardcode_action=unsupported
1559fi
1560echo "$ac_t$hardcode_action" 1>&6
1561
1562
1563reload_flag=
1564reload_cmds='$LD$reload_flag -o $output$reload_objs'
1565echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1566# PORTME Some linkers may need a different reload flag.
1567reload_flag='-r'
1568echo "$ac_t$reload_flag" 1>&6
1569test -n "$reload_flag" && reload_flag=" $reload_flag"
1570
1571# PORTME Fill in your ld.so characteristics
1572library_names_spec=
1573libname_spec='lib$name'
1574soname_spec=
1575postinstall_cmds=
1576postuninstall_cmds=
1577finish_cmds=
1578finish_eval=
1579shlibpath_var=
1580shlibpath_overrides_runpath=unknown
1581version_type=none
1582dynamic_linker="$host_os ld.so"
1583sys_lib_dlsearch_path_spec="/lib /usr/lib"
1584sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1585file_magic_cmd=
1586file_magic_test_file=
1587deplibs_check_method='unknown'
1588# Need to set the preceding variable on all platforms that support
1589# interlibrary dependencies.
1590# 'none' -- dependencies not supported.
1591# `unknown' -- same as none, but documents that we really don't know.
1592# 'pass_all' -- all dependencies passed with no checks.
1593# 'test_compile' -- check by making test program.
1594# 'file_magic [regex]' -- check by looking for files in library path
1595# which responds to the $file_magic_cmd with a given egrep regex.
1596# If you have `file' or equivalent on your system and you're not sure
1597# whether `pass_all' will *always* work, you probably want this one.
1598echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1599case "$host_os" in
1600aix3*)
1601 version_type=linux
1602 library_names_spec='${libname}${release}.so$versuffix $libname.a'
1603 shlibpath_var=LIBPATH
1604
1605 # AIX has no versioning support, so we append a major version to the name.
1606 soname_spec='${libname}${release}.so$major'
1607 ;;
1608
1609aix4*)
1610 version_type=linux
1611 # AIX has no versioning support, so currently we can not hardcode correct
1612 # soname into executable. Probably we can add versioning support to
1613 # collect2, so additional links can be useful in future.
1614 # We preserve .a as extension for shared libraries though AIX4.2
1615 # and later linker supports .so
1616 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1617 shlibpath_var=LIBPATH
1618 deplibs_check_method=pass_all
1619 ;;
1620
1621amigaos*)
1622 library_names_spec='$libname.ixlibrary $libname.a'
1623 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1624 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 ${libname}_ixlibrary.a) || exit 1; done'
1625 ;;
1626
1627beos*)
1628 library_names_spec='${libname}.so'
1629 dynamic_linker="$host_os ld.so"
1630 shlibpath_var=LIBRARY_PATH
1631 ;;
1632
1633bsdi4*)
1634 version_type=linux
1635 library_names_spec='${libname}.so$major ${libname}.so'
1636 soname_spec='${libname}.so'
1637 finish_cmds='PATH="$PATH:/sbin" ldconfig $libdir'
1638 shlibpath_var=LD_LIBRARY_PATH
1639 deplibs_check_method='file_magic ELF 32-bit LSB shared object'
1640 file_magic_cmd=/usr/bin/file
1641 file_magic_test_file=/shlib/libc.so
1642 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1643 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1644 # the default ld.so.conf also contains /usr/contrib/lib and
1645 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1646 # libtool to hard-code these into programs
1647 ;;
1648
1649cygwin* | mingw*)
1650 version_type=windows
1651 if test "$with_gcc" = yes; then
1652 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1653 else
1654 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1655 fi
1656 dynamic_linker='Win32 ld.exe'
1657 deplibs_check_method='file_magic file format pei*-i386.*architecture: i386'
1658 file_magic_cmd='objdump -f'
1659 need_lib_prefix=no
1660 # FIXME: first we should search . and the directory the executable is in
1661 shlibpath_var=PATH
1662 ;;
1663
1664freebsd1*)
1665 dynamic_linker=no
1666 ;;
1667
1668freebsd*)
1669 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1670 version_type=freebsd-$objformat
1671 case "$version_type" in
1672 freebsd-elf*)
1673 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
1674 file_magic_cmd=/usr/bin/file
1675 file_magic_test_file=`echo /usr/lib/libc.so*`
1676 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1677 need_version=no
1678 need_lib_prefix=no
1679 ;;
1680 freebsd-*)
1681 deplibs_check_method=unknown
1682 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1683 need_version=yes
1684 ;;
1685 esac
1686 finish_cmds='PATH="$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1687 shlibpath_var=LD_LIBRARY_PATH
1688 ;;
1689
1690gnu*)
1691 version_type=linux
1692 library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1693 shlibpath_var=LD_LIBRARY_PATH
1694 ;;
1695
1696hpux9* | hpux10* | hpux11*)
1697 # Give a soname corresponding to the major version so that dld.sl refuses to
1698 # link against other versions.
1699 dynamic_linker="$host_os dld.sl"
1700 version_type=sunos
1701 need_lib_prefix=no
1702 need_version=no
1703 shlibpath_var=SHLIB_PATH
1704 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1705 soname_spec='${libname}${release}.sl$major'
1706 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1707 postinstall_cmds='chmod 555 $lib'
1708 ;;
1709
1710irix5*)
1711 version_type=irix
1712 soname_spec='${libname}${release}.so'
1713 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1714 shlibpath_var=LD_LIBRARY_PATH
1715 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" # or should it be pass_all?
1716 file_magic_cmd=/usr/bin/file
1717 file_magic_test_file=`echo /lib/libc.so*`
1718 shlibpath_overrides_runpath=no
1719 ;;
1720
1721irix6*)
1722 version_type=irix
1723 need_lib_prefix=no
1724 need_version=no
1725 soname_spec='${libname}${release}.so'
1726 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1727 case "$LD" in # libtool.m4 will add one of these switches to LD
1728 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1729 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1730 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1731 *) libsuff= shlibsuff= libmagic=never-match;;
1732 esac
1733 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1734 shlibpath_overrides_runpath=no
1735 # even though /usr/local/lib is always searched, the man-page says
1736 # shared libraries should not be installed there if they use an ABI
1737 # different from -32, so we'd better not search for shared libraries
1738 # there either
1739 sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
1740 sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
1741 deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" # or should it be pass_all?
1742 file_magic_cmd=/usr/bin/file
1743 file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1744 ;;
1745
1746# No shared lib support for Linux oldld, aout, or coff.
1747linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1748 dynamic_linker=no
1749 ;;
1750
1751# This must be Linux ELF.
1752linux-gnu*)
1753 version_type=linux
1754 need_lib_prefix=no
1755 need_version=no
1756 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1757 soname_spec='${libname}${release}.so$major'
1758 finish_cmds='PATH="$PATH:/sbin" ldconfig -n $libdir'
1759 shlibpath_var=LD_LIBRARY_PATH
1760 shlibpath_overrides_runpath=no
1761 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1762 file_magic_cmd=/usr/bin/file
1763 file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1764
1765 if test -f /lib/ld.so.1; then
1766 dynamic_linker='GNU ld.so'
1767 else
1768 # Only the GNU ld.so supports shared libraries on MkLinux.
1769 case "$host_cpu" in
1770 powerpc*) dynamic_linker=no ;;
1771 *) dynamic_linker='Linux ld.so' ;;
1772 esac
1773 fi
1774 ;;
1775
1776netbsd*)
1777 version_type=sunos
1778 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1779 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1780 finish_cmds='PATH="$PATH:/sbin" ldconfig -m $libdir'
1781 dynamic_linker='NetBSD (a.out) ld.so'
1782 else
1783 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1784 soname_spec='${libname}${release}.so$major'
1785 dynamic_linker='NetBSD ld.elf_so'
1786 fi
1787 shlibpath_var=LD_LIBRARY_PATH
1788 ;;
1789
1790openbsd*)
1791 version_type=sunos
1792 if test "$with_gnu_ld" = yes; then
1793 need_lib_prefix=no
1794 need_version=no
1795 fi
1796 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1797 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1798 shlibpath_var=LD_LIBRARY_PATH
1799 ;;
1800
1801os2*)
1802 libname_spec='$name'
1803 need_lib_prefix=no
1804 library_names_spec='$libname.dll $libname.a'
1805 dynamic_linker='OS/2 ld.exe'
1806 shlibpath_var=LIBPATH
1807 ;;
1808
1809osf3* | osf4*)
1810 version_type=osf
1811 soname_spec='${libname}${release}.so'
1812 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1813 shlibpath_var=LD_LIBRARY_PATH
1814 # deplibs_check_method='pass_all'
1815 # Although pass_all appears to work, it copies symbols from static libraries
1816 # into shared ones and exports them. So, when a program is linked with two
1817 # or more libraries that have got copies of the same symbols, link fails
1818 # This was only tested on osf4:
1819 deplibs_check_method='file_magic COFF format alpha shared library'
1820 file_magic_cmd=/usr/bin/file
1821 file_magic_test_file=/shlib/libc.so
1822 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1823 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1824 ;;
1825
1826sco3.2v5*)
1827 version_type=osf
1828 soname_spec='${libname}${release}.so$major'
1829 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1830 shlibpath_var=LD_LIBRARY_PATH
1831 ;;
1832
1833solaris*)
1834 version_type=linux
1835 need_lib_prefix=no
1836 need_version=no
1837 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1838 soname_spec='${libname}${release}.so$major'
1839 shlibpath_var=LD_LIBRARY_PATH
1840 shlibpath_overrides_runpath=yes
1841 # ldd complains unless libraries are executable
1842 postinstall_cmds='chmod +x $lib'
1843 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
1844 file_magic_cmd=/usr/bin/file
1845 file_magic_test_file=/lib/libc.so
1846 ;;
1847
1848sunos4*)
1849 version_type=sunos
1850 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1851 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1852 shlibpath_var=LD_LIBRARY_PATH
1853 shlibpath_overrides_runpath=yes
1854 if test "$with_gnu_ld" = yes; then
1855 need_lib_prefix=no
1856 fi
1857 need_version=yes
1858 ;;
1859
1860sysv4.2uw2* | sysv4.3* | sysv5*)
1861 version_type=linux
1862 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1863 soname_spec='${libname}${release}.so$major'
1864 shlibpath_var=LD_LIBRARY_PATH
1865 case "$host_vendor" in
1866 ncr)
1867 deplibs_check_method='pass_all'
1868 ;;
1869 esac
1870 ;;
1871
1872uts4*)
1873 version_type=linux
1874 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1875 soname_spec='${libname}${release}.so$major'
1876 shlibpath_var=LD_LIBRARY_PATH
1877 ;;
1878
1879dgux*)
1880 version_type=linux
1881 need_lib_prefix=no
1882 need_version=no
1883 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1884 soname_spec='${libname}${release}.so$major'
1885 shlibpath_var=LD_LIBRARY_PATH
1886 ;;
1887
1888*)
1889 dynamic_linker=no
1890 ;;
1891esac
1892echo "$ac_t$dynamic_linker" 1>&6
1893test "$dynamic_linker" = no && can_build_shared=no
1894
1895# Report the final consequences.
1896echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1897
1898if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
1899 case "$deplibs_check_method" in
1900 "file_magic "*)
1901 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
1902 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
1903 egrep "$file_magic_regex" > /dev/null; then
1904 :
1905 else
1906 cat <<EOF 1>&2
1907
1908*** Warning: the command libtool uses to detect shared libraries,
1909*** $file_magic_cmd, produces output that libtool cannot recognize.
1910*** The result is that libtool may fail to recognize shared libraries
1911*** as such. This will affect the creation of libtool libraries that
1912*** depend on shared libraries, but programs linked with such libtool
1913*** libraries will work regardless of this problem. Nevertheless, you
1914*** may want to report the problem to your system manager and/or to
1915*** bug-libtool@gnu.org
1916
1917EOF
1918 fi ;;
1919 esac
1920fi
1921
1922echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
1923test "$can_build_shared" = "no" && enable_shared=no
1924
1925# On AIX, shared libraries and static libraries use the same namespace, and
1926# are all built from PIC.
1927case "$host_os" in
1928aix3*)
1929 test "$enable_shared" = yes && enable_static=no
1930 if test -n "$RANLIB"; then
1931 archive_cmds="$archive_cmds~\$RANLIB \$lib"
1932 postinstall_cmds='$RANLIB $lib'
1933 fi
1934 ;;
1935
1936aix4*)
1937 test "$enable_shared" = yes && enable_static=no
1938 ;;
1939esac
1940
1941echo "$ac_t$enable_shared" 1>&6
1942
1943# Make sure either enable_shared or enable_static is yes.
1944test "$enable_shared" = yes || enable_static=yes
1945
1946echo "checking whether to build static libraries... $enable_static" 1>&6
1947
1948if test "$hardcode_action" = relink; then
1949 # Fast installation is not supported
1950 enable_fast_install=no
1951elif test "$shlibpath_overrides_runpath" = yes ||
1952 test "$enable_shared" = no; then
1953 # Fast installation is not necessary
1954 enable_fast_install=needless
1955fi
1956
1957echo $ac_n "checking for objdir... $ac_c" 1>&6
1958rm -f .libs 2>/dev/null
1959mkdir .libs 2>/dev/null
1960if test -d .libs; then
1961 objdir=.libs
1962else
1963 # MS-DOS does not allow filenames that begin with a dot.
1964 objdir=_libs
1965fi
1966rmdir .libs 2>/dev/null
1967echo "$ac_t$objdir" 1>&6
1968
1969if test "x$enable_dlopen" != xyes; then
1970 enable_dlopen=unknown
1971 enable_dlopen_self=unknown
1972 enable_dlopen_self_static=unknown
1973else
1974if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
1975 lt_cv_dlopen=no lt_cv_dlopen_libs=
1976echo $ac_n "checking for dlopen""... $ac_c" 1>&6
1977echo "$progname:1977: checking for dlopen" >&5
1978if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
1979 echo $ac_n "(cached) $ac_c" 1>&6
1980else
1981 cat > conftest.$ac_ext <<EOF
1982#line 1982 "ltconfig"
1983/* System header to define __stub macros and hopefully few prototypes,
1984 which can conflict with char dlopen(); below. */
1985#include <assert.h>
1986/* Override any gcc2 internal prototype to avoid an error. */
1987/* We use char because int might match the return type of a gcc2
1988 builtin and then its argument prototype would still apply. */
1989char dlopen();
1990
1991int main() {
1992
1993/* The GNU C library defines this for functions which it implements
1994 to always fail with ENOSYS. Some functions are actually named
1995 something starting with __ and the normal name is an alias. */
1996#if defined (__stub_dlopen) || defined (__stub___dlopen)
1997choke me
1998#else
1999dlopen();
2000#endif
2001
2002; return 0; }
2003EOF
2004if { (eval echo $progname:2004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2005 rm -rf conftest*
2006 eval "ac_cv_func_dlopen=yes"
2007else
2008 echo "$progname: failed program was:" >&5
2009 cat conftest.$ac_ext >&5
2010 rm -rf conftest*
2011 eval "ac_cv_func_dlopen=no"
2012fi
2013rm -f conftest*
2014fi
2015
2016if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2017 echo "$ac_t""yes" 1>&6
2018 lt_cv_dlopen="dlopen"
2019else
2020 echo "$ac_t""no" 1>&6
2021echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2022echo "$progname:2022: checking for dlopen in -ldl" >&5
2023ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2024if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2025 echo $ac_n "(cached) $ac_c" 1>&6
2026else
2027 ac_save_LIBS="$LIBS"
2028LIBS="-ldl $LIBS"
2029cat > conftest.$ac_ext <<EOF
2030#line 2030 "ltconfig"
2031/* Override any gcc2 internal prototype to avoid an error. */
2032/* We use char because int might match the return type of a gcc2
2033 builtin and then its argument prototype would still apply. */
2034char dlopen();
2035
2036int main() {
2037dlopen()
2038; return 0; }
2039EOF
2040if { (eval echo $progname:2040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2041 rm -rf conftest*
2042 eval "ac_cv_lib_$ac_lib_var=yes"
2043else
2044 echo "$progname: failed program was:" >&5
2045 cat conftest.$ac_ext >&5
2046 rm -rf conftest*
2047 eval "ac_cv_lib_$ac_lib_var=no"
2048fi
2049rm -f conftest*
2050LIBS="$ac_save_LIBS"
2051
2052fi
2053if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2054 echo "$ac_t""yes" 1>&6
2055 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2056else
2057 echo "$ac_t""no" 1>&6
2058echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2059echo "$progname:2059: checking for dld_link in -ldld" >&5
2060ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2061if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2062 echo $ac_n "(cached) $ac_c" 1>&6
2063else
2064 ac_save_LIBS="$LIBS"
2065LIBS="-ldld $LIBS"
2066cat > conftest.$ac_ext <<EOF
2067#line 2067 "ltconfig"
2068/* Override any gcc2 internal prototype to avoid an error. */
2069/* We use char because int might match the return type of a gcc2
2070 builtin and then its argument prototype would still apply. */
2071char dld_link();
2072
2073int main() {
2074dld_link()
2075; return 0; }
2076EOF
2077if { (eval echo $progname:2077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2078 rm -rf conftest*
2079 eval "ac_cv_lib_$ac_lib_var=yes"
2080else
2081 echo "$progname: failed program was:" >&5
2082 cat conftest.$ac_ext >&5
2083 rm -rf conftest*
2084 eval "ac_cv_lib_$ac_lib_var=no"
2085fi
2086rm -f conftest*
2087LIBS="$ac_save_LIBS"
2088
2089fi
2090if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2091 echo "$ac_t""yes" 1>&6
2092 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2093else
2094 echo "$ac_t""no" 1>&6
2095echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2096echo "$progname:2096: checking for shl_load" >&5
2097if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2098 echo $ac_n "(cached) $ac_c" 1>&6
2099else
2100 cat > conftest.$ac_ext <<EOF
2101#line 2101 "ltconfig"
2102/* System header to define __stub macros and hopefully few prototypes,
2103 which can conflict with char shl_load(); below. */
2104#include <assert.h>
2105/* Override any gcc2 internal prototype to avoid an error. */
2106/* We use char because int might match the return type of a gcc2
2107 builtin and then its argument prototype would still apply. */
2108char shl_load();
2109
2110int main() {
2111
2112/* The GNU C library defines this for functions which it implements
2113 to always fail with ENOSYS. Some functions are actually named
2114 something starting with __ and the normal name is an alias. */
2115#if defined (__stub_shl_load) || defined (__stub___shl_load)
2116choke me
2117#else
2118shl_load();
2119#endif
2120
2121; return 0; }
2122EOF
2123if { (eval echo $progname:2123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2124 rm -rf conftest*
2125 eval "ac_cv_func_shl_load=yes"
2126else
2127 echo "$progname: failed program was:" >&5
2128 cat conftest.$ac_ext >&5
2129 rm -rf conftest*
2130 eval "ac_cv_func_shl_load=no"
2131fi
2132rm -f conftest*
2133fi
2134
2135if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2136 echo "$ac_t""yes" 1>&6
2137 lt_cv_dlopen="shl_load"
2138else
2139 echo "$ac_t""no" 1>&6
2140echo $ac_n "checking for LoadLibrary""... $ac_c" 1>&6
2141echo "$progname:2141: checking for LoadLibrary" >&5
2142if eval "test \"`echo '$''{'ac_cv_func_LoadLibrary'+set}'`\" = set"; then
2143 echo $ac_n "(cached) $ac_c" 1>&6
2144else
2145 cat > conftest.$ac_ext <<EOF
2146#line 2146 "ltconfig"
2147/* System header to define __stub macros and hopefully few prototypes,
2148 which can conflict with char LoadLibrary(); below. */
2149#include <assert.h>
2150/* Override any gcc2 internal prototype to avoid an error. */
2151/* We use char because int might match the return type of a gcc2
2152 builtin and then its argument prototype would still apply. */
2153char LoadLibrary();
2154
2155int main() {
2156
2157/* The GNU C library defines this for functions which it implements
2158 to always fail with ENOSYS. Some functions are actually named
2159 something starting with __ and the normal name is an alias. */
2160#if defined (__stub_LoadLibrary) || defined (__stub___LoadLibrary)
2161choke me
2162#else
2163LoadLibrary();
2164#endif
2165
2166; return 0; }
2167EOF
2168if { (eval echo $progname:2168: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2169 rm -rf conftest*
2170 eval "ac_cv_func_LoadLibrary=yes"
2171else
2172 echo "$progname: failed program was:" >&5
2173 cat conftest.$ac_ext >&5
2174 rm -rf conftest*
2175 eval "ac_cv_func_LoadLibrary=no"
2176fi
2177rm -f conftest*
2178fi
2179
2180if eval "test \"`echo '$ac_cv_func_'LoadLibrary`\" = yes"; then
2181 echo "$ac_t""yes" 1>&6
2182 lt_cv_dlopen="LoadLibrary"
2183else
2184 echo "$ac_t""no" 1>&6
2185fi
2186
2187
2188fi
2189
2190
2191fi
2192
2193
2194fi
2195
2196
2197fi
2198
2199fi
2200
2201 if test "x$lt_cv_dlopen" != xno; then
2202 enable_dlopen=yes
2203 fi
2204
2205 case "$lt_cv_dlopen" in
2206 dlopen)
2207for ac_hdr in dlfcn.h; do
2208ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2209echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2210echo "$progname:2210: checking for $ac_hdr" >&5
2211if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2212 echo $ac_n "(cached) $ac_c" 1>&6
2213else
2214 cat > conftest.$ac_ext <<EOF
2215#line 2215 "ltconfig"
2216#include <$ac_hdr>
2217int fnord = 0;
2218EOF
2219ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
2220{ (eval echo $progname:2220: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2221ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2222if test -z "$ac_err"; then
2223 rm -rf conftest*
2224 eval "ac_cv_header_$ac_safe=yes"
2225else
2226 echo "$ac_err" >&5
2227 echo "$progname: failed program was:" >&5
2228 cat conftest.$ac_ext >&5
2229 rm -rf conftest*
2230 eval "ac_cv_header_$ac_safe=no"
2231fi
2232rm -f conftest*
2233fi
2234if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2235 echo "$ac_t""yes" 1>&6
2236else
2237 echo "$ac_t""no" 1>&6
2238fi
2239done
2240
2241 if test "x$ac_cv_header_dlfcn_h" = xyes; then
2242 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2243 fi
2244 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2245 LIBS="$lt_cv_dlopen_libs $LIBS"
2246
2247 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2248echo "$progname:2248: checking whether a program can dlopen itself" >&5
2249if test "${lt_cv_dlopen_self+set}" = set; then
2250 echo $ac_n "(cached) $ac_c" 1>&6
2251else
2252 if test "$cross_compiling" = yes; then
2253 lt_cv_dlopen_self=cross
2254 else
2255 cat > conftest.c <<EOF
2256#line 2256 "ltconfig"
2257
2258#if HAVE_DLFCN_H
2259#include <dlfcn.h>
2260#endif
2261
2262#include <stdio.h>
2263
2264#ifdef RTLD_GLOBAL
2265# define LTDL_GLOBAL RTLD_GLOBAL
2266#else
2267# ifdef DL_GLOBAL
2268# define LTDL_GLOBAL DL_GLOBAL
2269# else
2270# define LTDL_GLOBAL 0
2271# endif
2272#endif
2273
2274/* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2275 find out it does not work in some platform. */
2276#ifndef LTDL_LAZY_OR_NOW
2277# ifdef RTLD_LAZY
2278# define LTDL_LAZY_OR_NOW RTLD_LAZY
2279# else
2280# ifdef DL_LAZY
2281# define LTDL_LAZY_OR_NOW DL_LAZY
2282# else
2283# ifdef RTLD_NOW
2284# define LTDL_LAZY_OR_NOW RTLD_NOW
2285# else
2286# ifdef DL_NOW
2287# define LTDL_LAZY_OR_NOW DL_NOW
2288# else
2289# define LTDL_LAZY_OR_NOW 0
2290# endif
2291# endif
2292# endif
2293# endif
2294#endif
2295
2296fnord() { int i=42;}
2297main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2298 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2299 if(ptr1 || ptr2) exit(0); } exit(1); }
2300
2301EOF
2302if { (eval echo $progname:2302: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2303then
2304 lt_cv_dlopen_self=yes
2305else
2306 echo "$progname: failed program was:" >&5
2307 cat conftest.$ac_ext >&5
2308 rm -fr conftest*
2309 lt_cv_dlopen_self=no
2310fi
2311rm -fr conftest*
2312fi
2313
2314fi
2315
2316echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2317
2318 if test "$lt_cv_dlopen_self" = yes; then
2319 LDFLAGS="$LDFLAGS $link_static_flag"
2320 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2321echo "$progname:2321: checking whether a statically linked program can dlopen itself" >&5
2322if test "${lt_cv_dlopen_self_static+set}" = set; then
2323 echo $ac_n "(cached) $ac_c" 1>&6
2324else
2325 if test "$cross_compiling" = yes; then
2326 lt_cv_dlopen_self_static=cross
2327 else
2328 cat > conftest.c <<EOF
2329#line 2329 "ltconfig"
2330
2331#if HAVE_DLFCN_H
2332#include <dlfcn.h>
2333#endif
2334
2335#include <stdio.h>
2336
2337#ifdef RTLD_GLOBAL
2338# define LTDL_GLOBAL RTLD_GLOBAL
2339#else
2340# ifdef DL_GLOBAL
2341# define LTDL_GLOBAL DL_GLOBAL
2342# else
2343# define LTDL_GLOBAL 0
2344# endif
2345#endif
2346
2347/* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2348 find out it does not work in some platform. */
2349#ifndef LTDL_LAZY_OR_NOW
2350# ifdef RTLD_LAZY
2351# define LTDL_LAZY_OR_NOW RTLD_LAZY
2352# else
2353# ifdef DL_LAZY
2354# define LTDL_LAZY_OR_NOW DL_LAZY
2355# else
2356# ifdef RTLD_NOW
2357# define LTDL_LAZY_OR_NOW RTLD_NOW
2358# else
2359# ifdef DL_NOW
2360# define LTDL_LAZY_OR_NOW DL_NOW
2361# else
2362# define LTDL_LAZY_OR_NOW 0
2363# endif
2364# endif
2365# endif
2366# endif
2367#endif
2368
2369fnord() { int i=42;}
2370main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2371 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2372 if(ptr1 || ptr2) exit(0); } exit(1); }
2373
2374EOF
2375if { (eval echo $progname:2375: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2376then
2377 lt_cv_dlopen_self_static=yes
2378else
2379 echo "$progname: failed program was:" >&5
2380 cat conftest.$ac_ext >&5
2381 rm -fr conftest*
2382 lt_cv_dlopen_self_static=no
2383fi
2384rm -fr conftest*
2385fi
2386
2387fi
2388
2389echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2390fi
2391 ;;
2392 esac
2393
2394 case "$lt_cv_dlopen_self" in
2395 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2396 *) enable_dlopen_self=unknown ;;
2397 esac
2398
2399 case "$lt_cv_dlopen_self_static" in
2400 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2401 *) enable_dlopen_self_static=unknown ;;
2402 esac
2403fi
2404
2405# Copy echo and quote the copy, instead of the original, because it is
2406# used later.
2407ltecho="$echo"
2408if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2409 ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2410fi
2411LTSHELL="$SHELL"
2412
2413LTCONFIG_VERSION="$VERSION"
2414
2415# Only quote variables if we're using ltmain.sh.
2416case "$ltmain" in
2417*.sh)
2418 # Now quote all the things that may contain metacharacters.
2419 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
2420 old_LN_S old_DLLTOOL old_AS AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2421 reload_flag reload_cmds wl \
2422 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2423 thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2424 library_names_spec soname_spec \
2425 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2426 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2427 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2428 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2429 hardcode_libdir_flag_spec hardcode_libdir_separator \
2430 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2431 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2432
2433 case "$var" in
2434 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2435 old_postinstall_cmds | old_postuninstall_cmds | \
2436 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2437 postinstall_cmds | postuninstall_cmds | \
2438 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2439 # Double-quote double-evaled strings.
2440 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2441 ;;
2442 *)
2443 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2444 ;;
2445 esac
2446 done
2447
2448 case "$ltecho" in
2449 *'\$0 --fallback-echo"')
2450 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2451 ;;
2452 esac
2453
2454 trap "$rm \"$ofile\"; exit 1" 1 2 15
2455 echo "creating $ofile"
2456 $rm "$ofile"
2457 cat <<EOF > "$ofile"
2458#! $SHELL
2459
2460# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2461# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2462# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2463#
2464# Copyright (C) 1996-1999 Free Software Foundation, Inc.
2465# Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2466#
2467# This program is free software; you can redistribute it and/or modify
2468# it under the terms of the GNU General Public License as published by
2469# the Free Software Foundation; either version 2 of the License, or
2470# (at your option) any later version.
2471#
2472# This program is distributed in the hope that it will be useful, but
2473# WITHOUT ANY WARRANTY; without even the implied warranty of
2474# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2475# General Public License for more details.
2476#
2477# You should have received a copy of the GNU General Public License
2478# along with this program; if not, write to the Free Software
2479# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2480#
2481# As a special exception to the GNU General Public License, if you
2482# distribute this file as part of a program that contains a
2483# configuration script generated by Autoconf, you may include it under
2484# the same distribution terms that you use for the rest of that program.
2485
2486# Sed that helps us avoid accidentally triggering echo(1) options like -n.
2487Xsed="sed -e s/^X//"
2488
2489# The HP-UX ksh and POSIX shell print the target directory to stdout
2490# if CDPATH is set.
2491if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
2492
2493### BEGIN LIBTOOL CONFIG
2494EOF
2495 cfgfile="$ofile"
2496 ;;
2497
2498*)
2499 # Double-quote the variables that need it (for aesthetics).
2500 for var in old_CC old_CFLAGS old_CPPFLAGS old_LD old_NM old_RANLIB \
2501 old_LN_S old_DLLTOOL old_AS; do
2502 eval "$var=\\\"\$var\\\""
2503 done
2504
2505 # Just create a config file.
2506 cfgfile="$ofile.cfg"
2507 trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2508 echo "creating $cfgfile"
2509 $rm "$cfgfile"
2510 cat <<EOF > "$cfgfile"
2511# `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2512# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2513EOF
2514 ;;
2515esac
2516
2517cat <<EOF >> "$cfgfile"
2518# Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2519#
2520# CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2521# LD=$old_LD NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2522# DLLTOOL="$old_DLLTOOL" AS="$old_AS" \\
2523# $0$ltconfig_args
2524#
2525# Compiler and other test output produced by $progname, useful for
2526# debugging $progname, is in ./config.log if it exists.
2527
2528# The version of $progname that generated this script.
2529LTCONFIG_VERSION=$LTCONFIG_VERSION
2530
2531# Shell to use when invoking shell scripts.
2532SHELL=$LTSHELL
2533
2534# Whether or not to build shared libraries.
2535build_libtool_libs=$enable_shared
2536
2537# Whether or not to build static libraries.
2538build_old_libs=$enable_static
2539
2540# Whether or not to optimize for fast installation.
2541fast_install=$enable_fast_install
2542
2543# The host system.
2544host_alias=$host_alias
2545host=$host
2546
2547# An echo program that does not interpret backslashes.
2548echo=$ltecho
2549
2550# The archiver.
2551AR=$AR
2552
2553# The default C compiler.
2554CC=$CC
2555
2556# The linker used to build libraries.
2557LD=$LD
2558
2559# Whether we need hard or soft links.
2560LN_S=$LN_S
2561
2562# A BSD-compatible nm program.
2563NM=$NM
2564
2565# Used on cygwin: DLL creation program.
2566DLLTOOL="$DLLTOOL"
2567
2568# Used on cygwin: assembler.
2569AS="$AS"
2570
2571# The name of the directory that contains temporary libtool files.
2572objdir=$objdir
2573
2574# How to create reloadable object files.
2575reload_flag=$reload_flag
2576reload_cmds=$reload_cmds
2577
2578# How to pass a linker flag through the compiler.
2579wl=$wl
2580
2581# Object file suffix (normally "o").
2582objext="$objext"
2583
2584# Old archive suffix (normally "a").
2585libext="$libext"
2586
2587# Additional compiler flags for building library objects.
2588pic_flag=$pic_flag
2589
2590# Does compiler simultaneously support -c and -o options
2591compiler_c_o=$compiler_c_o
2592
2593# Can we write directly to a .lo ?
2594compiler_o_lo=$compiler_o_lo
2595
2596# Must we lock files when doing compilation ?
2597need_locks=$need_locks
2598
2599# Do we need the lib prefix for modules?
2600need_lib_prefix=$need_lib_prefix
2601
2602# Do we need a version for libraries?
2603need_version=$need_version
2604
2605# Whether dlopen is supported.
2606dlopen=$enable_dlopen
2607
2608# Whether dlopen of programs is supported.
2609dlopen_self=$enable_dlopen_self
2610
2611# Whether dlopen of statically linked programs is supported.
2612dlopen_self_static=$enable_dlopen_self_static
2613
2614# Compiler flag to prevent dynamic linking.
2615link_static_flag=$link_static_flag
2616
2617# Compiler flag to turn off builtin functions.
2618no_builtin_flag=$no_builtin_flag
2619
2620# Compiler flag to allow reflexive dlopens.
2621export_dynamic_flag_spec=$export_dynamic_flag_spec
2622
2623# Compiler flag to generate shared objects directly from archives.
2624whole_archive_flag_spec=$whole_archive_flag_spec
2625
2626# Compiler flag to generate thread-safe objects.
2627thread_safe_flag_spec=$thread_safe_flag_spec
2628
2629# Library versioning type.
2630version_type=$version_type
2631
2632# Format of library name prefix.
2633libname_spec=$libname_spec
2634
2635# List of archive names. First name is the real one, the rest are links.
2636# The last name is the one that the linker finds with -lNAME.
2637library_names_spec=$library_names_spec
2638
2639# The coded name of the library, if different from the real name.
2640soname_spec=$soname_spec
2641
2642# Commands used to build and install an old-style archive.
2643RANLIB=$RANLIB
2644old_archive_cmds=$old_archive_cmds
2645old_postinstall_cmds=$old_postinstall_cmds
2646old_postuninstall_cmds=$old_postuninstall_cmds
2647
2648# Create an old-style archive from a shared archive.
2649old_archive_from_new_cmds=$old_archive_from_new_cmds
2650
2651# Commands used to build and install a shared archive.
2652archive_cmds=$archive_cmds
2653archive_expsym_cmds=$archive_expsym_cmds
2654postinstall_cmds=$postinstall_cmds
2655postuninstall_cmds=$postuninstall_cmds
2656
2657# Method to check whether dependent libraries are shared objects.
2658deplibs_check_method=$deplibs_check_method
2659
2660# Command to use when deplibs_check_method == file_magic
2661file_magic_cmd=$file_magic_cmd
2662
2663# Flag that allows shared libraries with undefined symbols to be built.
2664allow_undefined_flag=$allow_undefined_flag
2665
2666# Flag that forces no undefined symbols.
2667no_undefined_flag=$no_undefined_flag
2668
2669# Commands used to finish a libtool library installation in a directory.
2670finish_cmds=$finish_cmds
2671
2672# Same as above, but a single script fragment to be evaled but not shown.
2673finish_eval=$finish_eval
2674
2675# Take the output of nm and produce a listing of raw symbols and C names.
2676global_symbol_pipe=$global_symbol_pipe
2677
2678# Transform the output of nm in a proper C declaration
2679global_symbol_to_cdecl=$global_symbol_to_cdecl
2680
2681# This is the shared library runtime path variable.
2682runpath_var=$runpath_var
2683
2684# This is the shared library path variable.
2685shlibpath_var=$shlibpath_var
2686
2687# Is shlibpath searched before the hard-coded library search path?
2688shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2689
2690# How to hardcode a shared library path into an executable.
2691hardcode_action=$hardcode_action
2692
2693# Flag to hardcode \$libdir into a binary during linking.
2694# This must work even if \$libdir does not exist.
2695hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2696
2697# Whether we need a single -rpath flag with a separated argument.
2698hardcode_libdir_separator=$hardcode_libdir_separator
2699
2700# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2701# resulting binary.
2702hardcode_direct=$hardcode_direct
2703
2704# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2705# resulting binary.
2706hardcode_minus_L=$hardcode_minus_L
2707
2708# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2709# the resulting binary.
2710hardcode_shlibpath_var=$hardcode_shlibpath_var
2711
2712# Compile-time system search path for libraries
2713sys_lib_search_path_spec=$sys_lib_search_path_spec
2714
2715# Run-time system search path for libraries
2716sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2717
2718# Fix the shell variable \$srcfile for the compiler.
2719fix_srcfile_path="$fix_srcfile_path"
2720
2721# Set to yes if exported symbols are required
2722always_export_symbols=$always_export_symbols
2723
2724# The command to extract exported symbols
2725export_symbols_cmds=$export_symbols_cmds
2726
2727# Symbols that should not be listed in the preloaded symbols
2728exclude_expsyms=$exclude_expsyms
2729
2730# Symbols that must always be exported
2731include_expsyms=$include_expsyms
2732
2733EOF
2734
2735case "$ltmain" in
2736*.sh)
2737 echo '### END LIBTOOL CONFIG' >> "$ofile"
2738 echo >> "$ofile"
2739 case "$host_os" in
2740 aix3*)
2741 cat <<\EOF >> "$ofile"
2742
2743# AIX sometimes has problems with the GCC collect2 program. For some
2744# reason, if we set the COLLECT_NAMES environment variable, the problems
2745# vanish in a puff of smoke.
2746if test "${COLLECT_NAMES+set}" != set; then
2747 COLLECT_NAMES=
2748 export COLLECT_NAMES
2749fi
2750EOF
2751 ;;
2752 esac
2753
2754 # Append the ltmain.sh script.
2755 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2756
2757 chmod +x "$ofile"
2758 ;;
2759
2760*)
2761 # Compile the libtool program.
2762 echo "FIXME: would compile $ltmain"
2763 ;;
2764esac
2765
2766test -n "$cache_file" || exit 0
2767
2768# AC_CACHE_SAVE
2769trap '' 1 2 15
2770cat > confcache <<\EOF
2771# This file is a shell script that caches the results of configure
2772# tests run on this system so they can be shared between configure
2773# scripts and configure runs. It is not useful on other systems.
2774# If it contains results you don't want to keep, you may remove or edit it.
2775#
2776# By default, configure uses ./config.cache as the cache file,
2777# creating it if it does not exist already. You can give configure
2778# the --cache-file=FILE option to use a different cache file; that is
2779# what configure does when it calls configure scripts in
2780# subdirectories, so they share the cache.
2781# Giving --cache-file=/dev/null disables caching, for debugging configure.
2782# config.status only pays attention to the cache file if you give it the
2783# --recheck option to rerun configure.
2784#
2785EOF
2786# The following way of writing the cache mishandles newlines in values,
2787# but we know of no workaround that is simple, portable, and efficient.
2788# So, don't put newlines in cache variables' values.
2789# Ultrix sh set writes to stderr and can't be redirected directly,
2790# and sets the high bit in the cache file unless we assign to the vars.
2791(set) 2>&1 |
2792 case `(ac_space=' '; set | grep ac_space) 2>&1` in
2793 *ac_space=\ *)
2794 # `set' does not quote correctly, so add quotes (double-quote substitution
2795 # turns \\\\ into \\, and sed turns \\ into \).
2796 sed -n \
2797 -e "s/'/'\\\\''/g" \
2798 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
2799 ;;
2800 *)
2801 # `set' quotes correctly as required by POSIX, so do not add quotes.
2802 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
2803 ;;
2804 esac >> confcache
2805if cmp -s $cache_file confcache; then
2806 :
2807else
2808 if test -w $cache_file; then
2809 echo "updating cache $cache_file"
2810 cat confcache > $cache_file
2811 else
2812 echo "not updating unwritable cache $cache_file"
2813 fi
2814fi
2815rm -f confcache
2816
2817exit 0
2818
2819# Local Variables:
2820# mode:shell-script
2821# sh-indentation:2
2822# End:
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