db: avoid use of errno field name
[nvi.git] / dist / ltconfig
bloba362c48d3170377cecaeca2d4954932c117c4994
1 #! /bin/sh
3 # ltconfig - Create a system-specific libtool.
4 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
5 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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.
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.
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.
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.
26 # A lot of this script is taken from autoconf-2.10.
28 # Check that we are running under the correct shell.
29 SHELL=${CONFIG_SHELL-/bin/sh}
30 echo=echo
31 if test "X$1" = X--no-reexec; then
32 # Discard the --no-reexec flag, and continue.
33 shift
34 elif test "X$1" = X--fallback-echo; then
35 # Avoid inline document here, it may be left over
37 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
38 # Yippee, $echo works!
40 else
41 # Restart under the correct shell.
42 exec "$SHELL" "$0" --no-reexec ${1+"$@"}
45 if test "X$1" = X--fallback-echo; then
46 # used as fallback echo
47 shift
48 cat <<EOF
50 EOF
51 exit 0
54 # Find the correct PATH separator. Usually this is `:', but
55 # DJGPP uses `;' like DOS.
56 if test "X${PATH_SEPARATOR+set}" != "Xset"; then
57 UNAME=${UNAME-`uname 2>/dev/null`}
58 case X$UNAME in
59 *-DOS) PATH_SEPARATOR=';' ;;
60 *) PATH_SEPARATOR=':' ;;
61 esac
64 # The HP-UX ksh and POSIX shell print the target directory to stdout
65 # if CDPATH is set.
66 if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
68 if test "X${echo_test_string+set}" != "Xset"; then
69 # find a string as large as possible, as long as the shell can cope with it
70 for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
71 # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
72 if (echo_test_string="`eval $cmd`") 2>/dev/null &&
73 echo_test_string="`eval $cmd`" &&
74 (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
75 break
77 done
80 if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
81 test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
82 # The Solaris, AIX, and Digital Unix default echo programs unquote
83 # backslashes. This makes it impossible to quote backslashes using
84 # echo "$something" | sed 's/\\/\\\\/g'
86 # So, first we look for a working echo in the user's PATH.
88 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
89 for dir in $PATH /usr/ucb; do
90 if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
91 test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
92 test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
93 echo="$dir/echo"
94 break
96 done
97 IFS="$save_ifs"
99 if test "X$echo" = Xecho; then
100 # We didn't find a better echo, so look for alternatives.
101 if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
102 test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
103 # This shell has a builtin print -r that does the trick.
104 echo='print -r'
105 elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
106 test "X$CONFIG_SHELL" != X/bin/ksh; then
107 # If we have ksh, try running ltconfig again with it.
108 ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
109 export ORIGINAL_CONFIG_SHELL
110 CONFIG_SHELL=/bin/ksh
111 export CONFIG_SHELL
112 exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
113 else
114 # Try using printf.
115 echo='printf "%s\n"'
116 if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
117 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
118 # Cool, printf works
120 elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
121 test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
122 CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
123 export CONFIG_SHELL
124 SHELL="$CONFIG_SHELL"
125 export SHELL
126 echo="$CONFIG_SHELL $0 --fallback-echo"
127 elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
128 test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
129 echo="$CONFIG_SHELL $0 --fallback-echo"
130 else
131 # maybe with a smaller string...
132 prev=:
134 for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
135 if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
136 break
138 prev="$cmd"
139 done
141 if test "$prev" != 'sed 50q "$0"'; then
142 echo_test_string=`eval $prev`
143 export echo_test_string
144 exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
145 else
146 # Oops. We lost completely, so just stick with echo.
147 echo=echo
154 # Sed substitution that helps us do robust quoting. It backslashifies
155 # metacharacters that are still active within double-quoted strings.
156 Xsed='sed -e s/^X//'
157 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
159 # Same as above, but do not quote variable references.
160 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
162 # Sed substitution to delay expansion of an escaped shell variable in a
163 # double_quote_subst'ed string.
164 delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
166 # The name of this program.
167 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
169 # Constants:
170 PROGRAM=ltconfig
171 PACKAGE=libtool
172 VERSION=1.3.2
173 TIMESTAMP=" (1.385.2.150 1999/05/26 00:28:32)"
174 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
175 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
176 rm="rm -f"
178 help="Try \`$progname --help' for more information."
180 # Global variables:
181 default_ofile=libtool
182 can_build_shared=yes
183 enable_shared=yes
184 # All known linkers require a `.a' archive for static linking.
185 enable_static=yes
186 enable_fast_install=yes
187 enable_dlopen=unknown
188 enable_win32_dll=no
189 ltmain=
190 silent=
191 srcdir=
192 ac_config_guess=
193 ac_config_sub=
194 host=
195 nonopt=
196 ofile="$default_ofile"
197 verify_host=yes
198 with_gcc=no
199 with_gnu_ld=no
200 need_locks=yes
201 ac_ext=c
202 objext=o
203 libext=a
204 cache_file=
206 old_AR="$AR"
207 old_CC="$CC"
208 old_CFLAGS="$CFLAGS"
209 old_CPPFLAGS="$CPPFLAGS"
210 old_LDFLAGS="$LDFLAGS"
211 old_LD="$LD"
212 old_LN_S="$LN_S"
213 old_LIBS="$LIBS"
214 old_NM="$NM"
215 old_RANLIB="$RANLIB"
216 old_DLLTOOL="$DLLTOOL"
217 old_OBJDUMP="$OBJDUMP"
218 old_AS="$AS"
220 # Parse the command line options.
221 args=
222 prev=
223 for option
225 case "$option" in
226 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
227 *) optarg= ;;
228 esac
230 # If the previous option needs an argument, assign it.
231 if test -n "$prev"; then
232 eval "$prev=\$option"
233 prev=
234 continue
237 case "$option" in
238 --help) cat <<EOM
239 Usage: $progname [OPTION]... [HOST [LTMAIN]]
241 Generate a system-specific libtool script.
243 --debug enable verbose shell tracing
244 --disable-shared do not build shared libraries
245 --disable-static do not build static libraries
246 --disable-fast-install do not optimize for fast installation
247 --enable-dlopen enable dlopen support
248 --enable-win32-dll enable building dlls on win32 hosts
249 --help display this help and exit
250 --no-verify do not verify that HOST is a valid host type
251 -o, --output=FILE specify the output file [default=$default_ofile]
252 --quiet same as \`--silent'
253 --silent do not print informational messages
254 --srcdir=DIR find \`config.guess' in DIR
255 --version output version information and exit
256 --with-gcc assume that the GNU C compiler will be used
257 --with-gnu-ld assume that the C compiler uses the GNU linker
258 --disable-lock disable file locking
259 --cache-file=FILE configure cache file
261 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
262 that provides basic libtool functionality.
264 HOST is the canonical host system name [default=guessed].
266 exit 0
269 --debug)
270 echo "$progname: enabling shell trace mode"
271 set -x
274 --disable-shared) enable_shared=no ;;
276 --disable-static) enable_static=no ;;
278 --disable-fast-install) enable_fast_install=no ;;
280 --enable-dlopen) enable_dlopen=yes ;;
282 --enable-win32-dll) enable_win32_dll=yes ;;
284 --quiet | --silent) silent=yes ;;
286 --srcdir) prev=srcdir ;;
287 --srcdir=*) srcdir="$optarg" ;;
289 --no-verify) verify_host=no ;;
291 --output | -o) prev=ofile ;;
292 --output=*) ofile="$optarg" ;;
294 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
296 --with-gcc) with_gcc=yes ;;
297 --with-gnu-ld) with_gnu_ld=yes ;;
299 --disable-lock) need_locks=no ;;
301 --cache-file=*) cache_file="$optarg" ;;
304 echo "$progname: unrecognized option \`$option'" 1>&2
305 echo "$help" 1>&2
306 exit 1
310 if test -z "$ltmain"; then
311 ltmain="$option"
312 elif test -z "$host"; then
313 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
314 # if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
315 # echo "$progname: warning \`$option' is not a valid host type" 1>&2
316 # fi
317 host="$option"
318 else
319 echo "$progname: too many arguments" 1>&2
320 echo "$help" 1>&2
321 exit 1
322 fi ;;
323 esac
324 done
326 if test -z "$ltmain"; then
327 echo "$progname: you must specify a LTMAIN file" 1>&2
328 echo "$help" 1>&2
329 exit 1
332 if test ! -f "$ltmain"; then
333 echo "$progname: \`$ltmain' does not exist" 1>&2
334 echo "$help" 1>&2
335 exit 1
338 # Quote any args containing shell metacharacters.
339 ltconfig_args=
340 for arg
342 case "$arg" in
343 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
344 ltconfig_args="$ltconfig_args '$arg'" ;;
345 *) ltconfig_args="$ltconfig_args $arg" ;;
346 esac
347 done
349 # A relevant subset of AC_INIT.
351 # File descriptor usage:
352 # 0 standard input
353 # 1 file creation
354 # 2 errors and warnings
355 # 3 some systems may open it to /dev/tty
356 # 4 used on the Kubota Titan
357 # 5 compiler messages saved in config.log
358 # 6 checking for... messages and results
359 if test "$silent" = yes; then
360 exec 6>/dev/null
361 else
362 exec 6>&1
364 exec 5>>./config.log
366 # NLS nuisances.
367 # Only set LANG and LC_ALL to C if already set.
368 # These must not be set unconditionally because not all systems understand
369 # e.g. LANG=C (notably SCO).
370 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
371 if test "${LANG+set}" = set; then LANG=C; export LANG; fi
373 if test -n "$cache_file" && test -r "$cache_file"; then
374 echo "loading cache $cache_file within ltconfig"
375 . $cache_file
378 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
379 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
380 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
381 ac_n= ac_c='
382 ' ac_t=' '
383 else
384 ac_n=-n ac_c= ac_t=
386 else
387 ac_n= ac_c='\c' ac_t=
390 if test -z "$srcdir"; then
391 # Assume the source directory is the same one as the path to LTMAIN.
392 srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
393 test "$srcdir" = "$ltmain" && srcdir=.
396 trap "$rm conftest*; exit 1" 1 2 15
397 if test "$verify_host" = yes; then
398 # Check for config.guess and config.sub.
399 ac_aux_dir=
400 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
401 if test -f $ac_dir/config.guess; then
402 ac_aux_dir=$ac_dir
403 break
405 done
406 if test -z "$ac_aux_dir"; then
407 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
408 echo "$help" 1>&2
409 exit 1
411 ac_config_guess=$ac_aux_dir/config.guess
412 ac_config_sub=$ac_aux_dir/config.sub
414 # Make sure we can run config.sub.
415 if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
416 else
417 echo "$progname: cannot run $ac_config_sub" 1>&2
418 echo "$help" 1>&2
419 exit 1
422 echo $ac_n "checking host system type""... $ac_c" 1>&6
424 host_alias=$host
425 case "$host_alias" in
427 if host_alias=`$SHELL $ac_config_guess`; then :
428 else
429 echo "$progname: cannot guess host type; you must specify one" 1>&2
430 echo "$help" 1>&2
431 exit 1
432 fi ;;
433 esac
434 host=`$SHELL $ac_config_sub $host_alias`
435 echo "$ac_t$host" 1>&6
437 # Make sure the host verified.
438 test -z "$host" && exit 1
440 elif test -z "$host"; then
441 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
442 echo "$help" 1>&2
443 exit 1
444 else
445 host_alias=$host
448 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
449 case "$host_os" in
450 linux-gnu*) ;;
451 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
452 esac
454 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
455 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
456 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
458 case "$host_os" in
459 aix3*)
460 # AIX sometimes has problems with the GCC collect2 program. For some
461 # reason, if we set the COLLECT_NAMES environment variable, the problems
462 # vanish in a puff of smoke.
463 if test "${COLLECT_NAMES+set}" != set; then
464 COLLECT_NAMES=
465 export COLLECT_NAMES
468 esac
470 # Determine commands to create old-style static archives.
471 old_archive_cmds='$AR cru $oldlib$oldobjs'
472 old_postinstall_cmds='chmod 644 $oldlib'
473 old_postuninstall_cmds=
475 # Set a sane default for `AR'.
476 test -z "$AR" && AR=ar
478 # Set a sane default for `OBJDUMP'.
479 test -z "$OBJDUMP" && OBJDUMP=objdump
481 # If RANLIB is not set, then run the test.
482 if test "${RANLIB+set}" != "set"; then
483 result=no
485 echo $ac_n "checking for ranlib... $ac_c" 1>&6
486 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
487 for dir in $PATH; do
488 test -z "$dir" && dir=.
489 if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
490 RANLIB="ranlib"
491 result="ranlib"
492 break
494 done
495 IFS="$save_ifs"
497 echo "$ac_t$result" 1>&6
500 if test -n "$RANLIB"; then
501 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
502 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
505 # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
506 test -z "$DLLTOOL" && DLLTOOL=dlltool
507 test -z "$OBJDUMP" && OBJDUMP=objdump
508 test -z "$AS" && AS=as
510 # Check to see if we are using GCC.
511 if test "$with_gcc" != yes || test -z "$CC"; then
512 # If CC is not set, then try to find GCC or a usable CC.
513 if test -z "$CC"; then
514 echo $ac_n "checking for gcc... $ac_c" 1>&6
515 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
516 for dir in $PATH; do
517 test -z "$dir" && dir=.
518 if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
519 CC="gcc"
520 break
522 done
523 IFS="$save_ifs"
525 if test -n "$CC"; then
526 echo "$ac_t$CC" 1>&6
527 else
528 echo "$ac_t"no 1>&6
532 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
533 if test -z "$CC"; then
534 echo $ac_n "checking for cc... $ac_c" 1>&6
535 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
536 cc_rejected=no
537 for dir in $PATH; do
538 test -z "$dir" && dir=.
539 if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
540 if test "$dir/cc" = "/usr/ucb/cc"; then
541 cc_rejected=yes
542 continue
544 CC="cc"
545 break
547 done
548 IFS="$save_ifs"
549 if test $cc_rejected = yes; then
550 # We found a bogon in the path, so make sure we never use it.
551 set dummy $CC
552 shift
553 if test $# -gt 0; then
554 # We chose a different compiler from the bogus one.
555 # However, it has the same name, so the bogon will be chosen
556 # first if we set CC to just the name; use the full file name.
557 shift
558 set dummy "$dir/cc" "$@"
559 shift
560 CC="$@"
564 if test -n "$CC"; then
565 echo "$ac_t$CC" 1>&6
566 else
567 echo "$ac_t"no 1>&6
570 if test -z "$CC"; then
571 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
572 exit 1
576 # Now see if the compiler is really GCC.
577 with_gcc=no
578 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
579 echo "$progname:579: checking whether we are using GNU C" >&5
581 $rm conftest.c
582 cat > conftest.c <<EOF
583 #ifdef __GNUC__
584 yes;
585 #endif
587 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:587: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
588 with_gcc=yes
590 $rm conftest.c
591 echo "$ac_t$with_gcc" 1>&6
594 # Allow CC to be a program name with arguments.
595 set dummy $CC
596 compiler="$2"
598 echo $ac_n "checking for object suffix... $ac_c" 1>&6
599 $rm conftest*
600 echo 'int i = 1;' > conftest.c
601 echo "$progname:601: checking for object suffix" >& 5
602 if { (eval echo $progname:602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
603 # Append any warnings to the config.log.
604 cat conftest.err 1>&5
606 for ac_file in conftest.*; do
607 case $ac_file in
608 *.c) ;;
609 *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
610 esac
611 done
612 else
613 cat conftest.err 1>&5
614 echo "$progname: failed program was:" >&5
615 cat conftest.c >&5
617 $rm conftest*
618 echo "$ac_t$objext" 1>&6
620 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
621 pic_flag=
622 special_shlib_compile_flags=
624 link_static_flag=
625 no_builtin_flag=
627 if test "$with_gcc" = yes; then
628 wl='-Wl,'
629 link_static_flag='-static'
631 case "$host_os" in
632 beos* | irix5* | irix6* | osf3* | osf4*)
633 # PIC is the default for these OSes.
635 aix*)
636 # Below there is a dirty hack to force normal static linking with -ldl
637 # The problem is because libdl dynamically linked with both libc and
638 # libC (AIX C++ library), which obviously doesn't included in libraries
639 # list by gcc. This cause undefined symbols with -static flags.
640 # This hack allows C programs to be linked with "-static -ldl", but
641 # we not sure about C++ programs.
642 link_static_flag="$link_static_flag ${wl}-lC"
644 cygwin* | mingw* | os2*)
645 # We can build DLLs from non-PIC.
647 amigaos*)
648 # FIXME: we need at least 68020 code to build shared libraries, but
649 # adding the `-m68020' flag to GCC prevents building anything better,
650 # like `-m68040'.
651 pic_flag='-m68020 -resident32 -malways-restore-a4'
653 sysv4*MP*)
654 if test -d /usr/nec; then
655 pic_flag=-Kconform_pic
659 pic_flag='-fPIC'
661 esac
662 else
663 # PORTME Check for PIC flags for the system compiler.
664 case "$host_os" in
665 aix3* | aix4*)
666 # All AIX code is PIC.
667 link_static_flag='-bnso -bI:/lib/syscalls.exp'
670 hpux9* | hpux10* | hpux11*)
671 # Is there a better link_static_flag that works with the bundled CC?
672 wl='-Wl,'
673 link_static_flag="${wl}-a ${wl}archive"
674 pic_flag='+Z'
677 irix5* | irix6*)
678 wl='-Wl,'
679 link_static_flag='-non_shared'
680 # PIC (with -KPIC) is the default.
683 cygwin* | mingw* | os2*)
684 # We can build DLLs from non-PIC.
687 osf3* | osf4*)
688 # All OSF/1 code is PIC.
689 wl='-Wl,'
690 link_static_flag='-non_shared'
693 sco3.2v5*)
694 pic_flag='-Kpic'
695 link_static_flag='-dn'
696 special_shlib_compile_flags='-belf'
699 solaris*)
700 pic_flag='-KPIC'
701 link_static_flag='-Bstatic'
702 wl='-Wl,'
705 sunos4*)
706 pic_flag='-PIC'
707 link_static_flag='-Bstatic'
708 wl='-Qoption ld '
711 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
712 pic_flag='-KPIC'
713 link_static_flag='-Bstatic'
714 wl='-Wl,'
717 uts4*)
718 pic_flag='-pic'
719 link_static_flag='-Bstatic'
721 sysv4*MP*)
722 if test -d /usr/nec ;then
723 pic_flag='-Kconform_pic'
724 link_static_flag='-Bstatic'
728 can_build_shared=no
730 esac
733 if test -n "$pic_flag"; then
734 echo "$ac_t$pic_flag" 1>&6
736 # Check to make sure the pic_flag actually works.
737 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
738 $rm conftest*
739 echo "int some_variable = 0;" > conftest.c
740 save_CFLAGS="$CFLAGS"
741 CFLAGS="$CFLAGS $pic_flag -DPIC"
742 echo "$progname:742: checking if $compiler PIC flag $pic_flag works" >&5
743 if { (eval echo $progname:743: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
744 # Append any warnings to the config.log.
745 cat conftest.err 1>&5
747 case "$host_os" in
748 hpux9* | hpux10* | hpux11*)
749 # On HP-UX, both CC and GCC only warn that PIC is supported... then they
750 # create non-PIC objects. So, if there were any warnings, we assume that
751 # PIC is not supported.
752 if test -s conftest.err; then
753 echo "$ac_t"no 1>&6
754 can_build_shared=no
755 pic_flag=
756 else
757 echo "$ac_t"yes 1>&6
758 pic_flag=" $pic_flag"
762 echo "$ac_t"yes 1>&6
763 pic_flag=" $pic_flag"
765 esac
766 else
767 # Append any errors to the config.log.
768 cat conftest.err 1>&5
769 can_build_shared=no
770 pic_flag=
771 echo "$ac_t"no 1>&6
773 CFLAGS="$save_CFLAGS"
774 $rm conftest*
775 else
776 echo "$ac_t"none 1>&6
779 # Check to see if options -o and -c are simultaneously supported by compiler
780 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
781 $rm -r conftest 2>/dev/null
782 mkdir conftest
783 cd conftest
784 $rm conftest*
785 echo "int some_variable = 0;" > conftest.c
786 mkdir out
787 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
788 # that will create temporary files in the current directory regardless of
789 # the output directory. Thus, making CWD read-only will cause this test
790 # to fail, enabling locking or at least warning the user not to do parallel
791 # builds.
792 chmod -w .
793 save_CFLAGS="$CFLAGS"
794 CFLAGS="$CFLAGS -o out/conftest2.o"
795 echo "$progname:795: checking if $compiler supports -c -o file.o" >&5
796 if { (eval echo $progname:796: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
798 # The compiler can only warn and ignore the option if not recognized
799 # So say no if there are warnings
800 if test -s out/conftest.err; then
801 echo "$ac_t"no 1>&6
802 compiler_c_o=no
803 else
804 echo "$ac_t"yes 1>&6
805 compiler_c_o=yes
807 else
808 # Append any errors to the config.log.
809 cat out/conftest.err 1>&5
810 compiler_c_o=no
811 echo "$ac_t"no 1>&6
813 CFLAGS="$save_CFLAGS"
814 chmod u+w .
815 $rm conftest* out/*
816 rmdir out
817 cd ..
818 rmdir conftest
819 $rm -r conftest 2>/dev/null
821 if test x"$compiler_c_o" = x"yes"; then
822 # Check to see if we can write to a .lo
823 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
824 $rm conftest*
825 echo "int some_variable = 0;" > conftest.c
826 save_CFLAGS="$CFLAGS"
827 CFLAGS="$CFLAGS -c -o conftest.lo"
828 echo "$progname:828: checking if $compiler supports -c -o file.lo" >&5
829 if { (eval echo $progname:829: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
831 # The compiler can only warn and ignore the option if not recognized
832 # So say no if there are warnings
833 if test -s conftest.err; then
834 echo "$ac_t"no 1>&6
835 compiler_o_lo=no
836 else
837 echo "$ac_t"yes 1>&6
838 compiler_o_lo=yes
840 else
841 # Append any errors to the config.log.
842 cat conftest.err 1>&5
843 compiler_o_lo=no
844 echo "$ac_t"no 1>&6
846 CFLAGS="$save_CFLAGS"
847 $rm conftest*
848 else
849 compiler_o_lo=no
852 # Check to see if we can do hard links to lock some files if needed
853 hard_links="nottested"
854 if test "$compiler_c_o" = no && test "$need_locks" != no; then
855 # do not overwrite the value of need_locks provided by the user
856 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
857 hard_links=yes
858 $rm conftest*
859 ln conftest.a conftest.b 2>/dev/null && hard_links=no
860 touch conftest.a
861 ln conftest.a conftest.b 2>&5 || hard_links=no
862 ln conftest.a conftest.b 2>/dev/null && hard_links=no
863 echo "$ac_t$hard_links" 1>&6
864 $rm conftest*
865 if test "$hard_links" = no; then
866 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
867 need_locks=warn
869 else
870 need_locks=no
873 if test "$with_gcc" = yes; then
874 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
875 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
876 $rm conftest*
877 echo "int some_variable = 0;" > conftest.c
878 save_CFLAGS="$CFLAGS"
879 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
880 echo "$progname:880: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
881 if { (eval echo $progname:881: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
883 # The compiler can only warn and ignore the option if not recognized
884 # So say no if there are warnings
885 if test -s conftest.err; then
886 echo "$ac_t"no 1>&6
887 compiler_rtti_exceptions=no
888 else
889 echo "$ac_t"yes 1>&6
890 compiler_rtti_exceptions=yes
892 else
893 # Append any errors to the config.log.
894 cat conftest.err 1>&5
895 compiler_rtti_exceptions=no
896 echo "$ac_t"no 1>&6
898 CFLAGS="$save_CFLAGS"
899 $rm conftest*
901 if test "$compiler_rtti_exceptions" = "yes"; then
902 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
903 else
904 no_builtin_flag=' -fno-builtin'
909 # Check for any special shared library compilation flags.
910 if test -n "$special_shlib_compile_flags"; then
911 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
912 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then :
913 else
914 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
915 can_build_shared=no
919 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
920 $rm conftest*
921 echo 'main(){return(0);}' > conftest.c
922 save_LDFLAGS="$LDFLAGS"
923 LDFLAGS="$LDFLAGS $link_static_flag"
924 echo "$progname:924: checking if $compiler static flag $link_static_flag works" >&5
925 if { (eval echo $progname:925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
926 echo "$ac_t$link_static_flag" 1>&6
927 else
928 echo "$ac_t"none 1>&6
929 link_static_flag=
931 LDFLAGS="$save_LDFLAGS"
932 $rm conftest*
934 if test -z "$LN_S"; then
935 # Check to see if we can use ln -s, or we need hard links.
936 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
937 $rm conftest.dat
938 if ln -s X conftest.dat 2>/dev/null; then
939 $rm conftest.dat
940 LN_S="ln -s"
941 else
942 LN_S=ln
944 if test "$LN_S" = "ln -s"; then
945 echo "$ac_t"yes 1>&6
946 else
947 echo "$ac_t"no 1>&6
951 # Make sure LD is an absolute path.
952 if test -z "$LD"; then
953 ac_prog=ld
954 if test "$with_gcc" = yes; then
955 # Check if gcc -print-prog-name=ld gives a path.
956 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
957 echo "$progname:957: checking for ld used by GCC" >&5
958 ac_prog=`($CC -print-prog-name=ld) 2>&5`
959 case "$ac_prog" in
960 # Accept absolute paths.
961 [\\/]* | [A-Za-z]:[\\/]*)
962 re_direlt='/[^/][^/]*/\.\./'
963 # Canonicalize the path of ld
964 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
965 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
966 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
967 done
968 test -z "$LD" && LD="$ac_prog"
971 # If it fails, then pretend we are not using GCC.
972 ac_prog=ld
975 # If it is relative, then search for the first ld in PATH.
976 with_gnu_ld=unknown
978 esac
979 elif test "$with_gnu_ld" = yes; then
980 echo $ac_n "checking for GNU ld... $ac_c" 1>&6
981 echo "$progname:981: checking for GNU ld" >&5
982 else
983 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
984 echo "$progname:984: checking for non-GNU ld" >&5
987 if test -z "$LD"; then
988 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
989 for ac_dir in $PATH; do
990 test -z "$ac_dir" && ac_dir=.
991 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
992 LD="$ac_dir/$ac_prog"
993 # Check to see if the program is GNU ld. I'd rather use --version,
994 # but apparently some GNU ld's only accept -v.
995 # Break only if it was the GNU/non-GNU ld that we prefer.
996 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
997 test "$with_gnu_ld" != no && break
998 else
999 test "$with_gnu_ld" != yes && break
1002 done
1003 IFS="$ac_save_ifs"
1006 if test -n "$LD"; then
1007 echo "$ac_t$LD" 1>&6
1008 else
1009 echo "$ac_t"no 1>&6
1012 if test -z "$LD"; then
1013 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
1014 exit 1
1018 # Check to see if it really is or is not GNU ld.
1019 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
1020 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
1021 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1022 with_gnu_ld=yes
1023 else
1024 with_gnu_ld=no
1026 echo "$ac_t$with_gnu_ld" 1>&6
1028 # See if the linker supports building shared libraries.
1029 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1031 allow_undefined_flag=
1032 no_undefined_flag=
1033 need_lib_prefix=unknown
1034 need_version=unknown
1035 # when you set need_version to no, make sure it does not cause -set_version
1036 # flags to be left without arguments
1037 archive_cmds=
1038 archive_expsym_cmds=
1039 old_archive_from_new_cmds=
1040 export_dynamic_flag_spec=
1041 whole_archive_flag_spec=
1042 thread_safe_flag_spec=
1043 hardcode_libdir_flag_spec=
1044 hardcode_libdir_separator=
1045 hardcode_direct=no
1046 hardcode_minus_L=no
1047 hardcode_shlibpath_var=unsupported
1048 runpath_var=
1049 always_export_symbols=no
1050 export_symbols_cmds='$NM $libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1051 # include_expsyms should be a list of space-separated symbols to be *always*
1052 # included in the symbol list
1053 include_expsyms=
1054 # exclude_expsyms can be an egrep regular expression of symbols to exclude
1055 # it will be wrapped by ` (' and `)$', so one must not match beginning or
1056 # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1057 # as well as any symbol that contains `d'.
1058 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1059 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1060 # platforms (ab)use it in PIC code, but their linkers get confused if
1061 # the symbol is explicitly referenced. Since portable code cannot
1062 # rely on this symbol name, it's probably fine to never include it in
1063 # preloaded symbol tables.
1065 case "$host_os" in
1066 cygwin* | mingw*)
1067 # FIXME: the MSVC++ port hasn't been tested in a loooong time
1068 # When not using gcc, we currently assume that we are using
1069 # Microsoft Visual C++.
1070 if test "$with_gcc" != yes; then
1071 with_gnu_ld=no
1075 esac
1077 ld_shlibs=yes
1078 if test "$with_gnu_ld" = yes; then
1079 # If archive_cmds runs LD, not CC, wlarc should be empty
1080 wlarc='${wl}'
1082 # See if GNU ld supports shared libraries.
1083 case "$host_os" in
1084 aix3* | aix4*)
1085 # On AIX, the GNU linker is very broken
1086 ld_shlibs=no
1087 cat <<EOF 1>&2
1089 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1090 *** to be unable to reliably create shared libraries on AIX.
1091 *** Therefore, libtool is disabling shared libraries support. If you
1092 *** really care for shared libraries, you may want to modify your PATH
1093 *** so that a non-GNU linker is found, and then restart.
1098 amigaos*)
1099 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1100 hardcode_libdir_flag_spec='-L$libdir'
1101 hardcode_minus_L=yes
1103 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1104 # that the semantics of dynamic libraries on AmigaOS, at least up
1105 # to version 4, is to share data among multiple programs linked
1106 # with the same dynamic library. Since this doesn't match the
1107 # behavior of shared libraries on other platforms, we can use
1108 # them.
1109 ld_shlibs=no
1112 beos*)
1113 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1114 allow_undefined_flag=unsupported
1115 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1116 # support --undefined. This deserves some investigation. FIXME
1117 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1118 else
1119 ld_shlibs=no
1123 cygwin* | mingw*)
1124 # hardcode_libdir_flag_spec is actually meaningless, as there is
1125 # no search path for DLLs.
1126 hardcode_libdir_flag_spec='-L$libdir'
1127 allow_undefined_flag=unsupported
1128 always_export_symbols=yes
1130 # Extract the symbol export list from an `--export-all' def file,
1131 # then regenerate the def file from the symbol export list, so that
1132 # the compiled dll only exports the symbol export list.
1133 export_symbols_cmds='rm -f $objdir/$soname-ltdll.c~
1134 sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1135 (cd $objdir && $CC -c $soname-ltdll.c)~
1136 $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~
1137 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols'
1139 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1140 _lt_hint=1;
1141 for symbol in `cat $export_symbols`; do
1142 echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def;
1143 _lt_hint=`expr 1 + \$_lt_hint`;
1144 done~
1145 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1146 $DLLTOOL --as=$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~
1147 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1148 $DLLTOOL --as=$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~
1149 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts'
1151 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1154 netbsd*)
1155 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1156 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1157 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1158 else
1159 archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
1160 # can we support soname and/or expsyms with a.out? -oliva
1164 solaris*)
1165 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
1166 ld_shlibs=no
1167 cat <<EOF 1>&2
1169 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
1170 *** create shared libraries on Solaris systems. Therefore, libtool
1171 *** is disabling shared libraries support. We urge you to upgrade GNU
1172 *** binutils to release 2.9.1 or newer. Another option is to modify
1173 *** your PATH or compiler configuration so that the native linker is
1174 *** used, and then restart.
1177 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1178 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1179 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1180 else
1181 ld_shlibs=no
1185 sunos4*)
1186 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
1187 wlarc=
1188 hardcode_direct=yes
1189 hardcode_shlibpath_var=no
1193 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1194 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1195 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1196 else
1197 ld_shlibs=no
1200 esac
1202 if test "$ld_shlibs" = yes; then
1203 runpath_var=LD_RUN_PATH
1204 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1205 export_dynamic_flag_spec='${wl}--export-dynamic'
1206 case $host_os in
1207 cygwin* | mingw*)
1208 # dlltool doesn't understand --whole-archive et. al.
1209 whole_archive_flag_spec=
1212 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1214 esac
1216 else
1217 # PORTME fill in a description of your system's linker (not GNU ld)
1218 case "$host_os" in
1219 aix3*)
1220 allow_undefined_flag=unsupported
1221 always_export_symbols=yes
1222 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1223 # Note: this linker hardcodes the directories in LIBPATH if there
1224 # are no directories specified by -L.
1225 hardcode_minus_L=yes
1226 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1227 # Neither direct hardcoding nor static linking is supported with a
1228 # broken collect2.
1229 hardcode_direct=unsupported
1233 aix4*)
1234 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1235 hardcode_libdir_separator=':'
1236 if test "$with_gcc" = yes; then
1237 collect2name=`${CC} -print-prog-name=collect2`
1238 if test -f "$collect2name" && \
1239 strings "$collect2name" | grep resolve_lib_name >/dev/null
1240 then
1241 # We have reworked collect2
1242 hardcode_direct=yes
1243 else
1244 # We have old collect2
1245 hardcode_direct=unsupported
1246 # It fails to find uninstalled libraries when the uninstalled
1247 # path is not listed in the libpath. Setting hardcode_minus_L
1248 # to unsupported forces relinking
1249 hardcode_minus_L=yes
1250 hardcode_libdir_flag_spec='-L$libdir'
1251 hardcode_libdir_separator=
1253 shared_flag='-shared'
1254 else
1255 shared_flag='${wl}-bM:SRE'
1256 hardcode_direct=yes
1258 allow_undefined_flag=' ${wl}-berok'
1259 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
1260 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
1261 case "$host_os" in aix4.[01]|aix4.[01].*)
1262 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1263 always_export_symbols=yes ;;
1264 esac
1267 amigaos*)
1268 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1269 hardcode_libdir_flag_spec='-L$libdir'
1270 hardcode_minus_L=yes
1271 # see comment about different semantics on the GNU ld section
1272 ld_shlibs=no
1275 cygwin* | mingw*)
1276 # When not using gcc, we currently assume that we are using
1277 # Microsoft Visual C++.
1278 # hardcode_libdir_flag_spec is actually meaningless, as there is
1279 # no search path for DLLs.
1280 hardcode_libdir_flag_spec=' '
1281 allow_undefined_flag=unsupported
1282 # Tell ltmain to make .lib files, not .a files.
1283 libext=lib
1284 # FIXME: Setting linknames here is a bad hack.
1285 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1286 # The linker will automatically build a .lib file if we build a DLL.
1287 old_archive_from_new_cmds='true'
1288 # FIXME: Should let the user specify the lib program.
1289 old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1290 fix_srcfile_path='`cygpath -w $srcfile`'
1293 freebsd1*)
1294 ld_shlibs=no
1297 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1298 # support. Future versions do this automatically, but an explicit c++rt0.o
1299 # does not break anything, and helps significantly (at the cost of a little
1300 # extra space).
1301 freebsd2.2*)
1302 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1303 hardcode_libdir_flag_spec='-R$libdir'
1304 hardcode_direct=yes
1305 hardcode_shlibpath_var=no
1308 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1309 freebsd2*)
1310 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1311 hardcode_direct=yes
1312 hardcode_minus_L=yes
1313 hardcode_shlibpath_var=no
1316 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1317 freebsd*)
1318 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1319 hardcode_libdir_flag_spec='-R$libdir'
1320 hardcode_direct=yes
1321 hardcode_shlibpath_var=no
1324 hpux9* | hpux10* | hpux11*)
1325 case "$host_os" in
1326 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
1327 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
1328 esac
1329 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1330 hardcode_libdir_separator=:
1331 hardcode_direct=yes
1332 hardcode_minus_L=yes # Not in the search PATH, but as the default
1333 # location of the library.
1334 export_dynamic_flag_spec='${wl}-E'
1337 irix5* | irix6*)
1338 if test "$with_gcc" = yes; then
1339 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1340 else
1341 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1343 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1344 hardcode_libdir_separator=:
1347 netbsd*)
1348 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1349 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
1350 else
1351 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
1353 hardcode_libdir_flag_spec='${wl}-R$libdir'
1354 hardcode_direct=yes
1355 hardcode_shlibpath_var=no
1358 openbsd*)
1359 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1360 hardcode_libdir_flag_spec='-R$libdir'
1361 hardcode_direct=yes
1362 hardcode_shlibpath_var=no
1365 os2*)
1366 hardcode_libdir_flag_spec='-L$libdir'
1367 hardcode_minus_L=yes
1368 allow_undefined_flag=unsupported
1369 archive_cmds='$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'
1370 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1373 osf3* | osf4*)
1374 if test "$with_gcc" = yes; then
1375 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1376 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1377 else
1378 allow_undefined_flag=' -expect_unresolved \*'
1379 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1381 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1382 hardcode_libdir_separator=:
1385 sco3.2v5*)
1386 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1387 hardcode_shlibpath_var=no
1388 runpath_var=LD_RUN_PATH
1389 hardcode_runpath_var=yes
1392 solaris*)
1393 no_undefined_flag=' -z text'
1394 # $CC -shared without GNU ld will not create a library from C++
1395 # object files and a static libstdc++, better avoid it by now
1396 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1397 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1398 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1399 hardcode_libdir_flag_spec='-R$libdir'
1400 hardcode_shlibpath_var=no
1401 case "$host_os" in
1402 solaris2.[0-5] | solaris2.[0-5].*) ;;
1403 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1404 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1405 esac
1408 sunos4*)
1409 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1410 hardcode_libdir_flag_spec='-L$libdir'
1411 hardcode_direct=yes
1412 hardcode_minus_L=yes
1413 hardcode_shlibpath_var=no
1416 sysv4)
1417 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1418 runpath_var='LD_RUN_PATH'
1419 hardcode_shlibpath_var=no
1420 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1423 sysv4.3*)
1424 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1425 hardcode_shlibpath_var=no
1426 export_dynamic_flag_spec='-Bexport'
1429 uts4*)
1430 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1431 hardcode_libdir_flag_spec='-L$libdir'
1432 hardcode_shlibpath_var=no
1435 dgux*)
1436 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1437 hardcode_libdir_flag_spec='-L$libdir'
1438 hardcode_shlibpath_var=no
1441 sysv4*MP*)
1442 if test -d /usr/nec ;then
1443 # archive_cmds='$LD -G -z text -h $soname -o $lib$libobjs$deplibs'
1444 archive_cmds='$LD -G -h $soname -o $lib$libobjs$deplibs'
1445 hardcode_shlibpath_var=no
1446 runpath_var=LD_RUN_PATH
1447 hardcode_runpath_var=yes
1448 ld_shlibs=yes
1453 ld_shlibs=no
1455 esac
1457 echo "$ac_t$ld_shlibs" 1>&6
1458 test "$ld_shlibs" = no && can_build_shared=no
1460 if test -z "$NM"; then
1461 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1462 case "$NM" in
1463 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1465 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1466 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1467 test -z "$ac_dir" && ac_dir=.
1468 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1469 # Check to see if the nm accepts a BSD-compat flag.
1470 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1471 # nm: unknown option "B" ignored
1472 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1473 NM="$ac_dir/nm -B"
1474 break
1475 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1476 NM="$ac_dir/nm -p"
1477 break
1478 else
1479 NM=${NM="$ac_dir/nm"} # keep the first match, but
1480 continue # so that we can try to find one that supports BSD flags
1483 done
1484 IFS="$ac_save_ifs"
1485 test -z "$NM" && NM=nm
1487 esac
1488 echo "$ac_t$NM" 1>&6
1491 # Check for command to grab the raw symbol name followed by C symbol from nm.
1492 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1494 # These are sane defaults that work on at least a few old systems.
1495 # [They come from Ultrix. What could be older than Ultrix?!! ;)]
1497 # Character class describing NM global symbol codes.
1498 symcode='[BCDEGRST]'
1500 # Regexp to match symbols that can be accessed directly from C.
1501 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1503 # Transform the above into a raw symbol and a C symbol.
1504 symxfrm='\1 \2\3 \3'
1506 # Transform an extracted symbol line into a proper C declaration
1507 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1509 # Define system-specific variables.
1510 case "$host_os" in
1511 aix*)
1512 symcode='[BCDT]'
1514 cygwin* | mingw*)
1515 symcode='[ABCDGISTW]'
1517 hpux*) # Its linker distinguishes data from code symbols
1518 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1520 irix*)
1521 symcode='[BCDEGRST]'
1523 solaris*)
1524 symcode='[BDT]'
1526 sysv4)
1527 symcode='[DFNSTU]'
1529 esac
1531 # If we're using GNU nm, then use its standard symbol codes.
1532 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1533 symcode='[ABCDGISTW]'
1536 # Try without a prefix undercore, then with it.
1537 for ac_symprfx in "" "_"; do
1539 # Write the raw and C identifiers.
1540 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1542 # Check to see that the pipe works correctly.
1543 pipe_works=no
1544 $rm conftest*
1545 cat > conftest.c <<EOF
1546 #ifdef __cplusplus
1547 extern "C" {
1548 #endif
1549 char nm_test_var;
1550 void nm_test_func(){}
1551 #ifdef __cplusplus
1553 #endif
1554 main(){nm_test_var='a';nm_test_func();return(0);}
1557 echo "$progname:1557: checking if global_symbol_pipe works" >&5
1558 if { (eval echo $progname:1558: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1559 # Now try to grab the symbols.
1560 nlist=conftest.nm
1561 if { echo "$progname:1561: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1563 # Try sorting and uniquifying the output.
1564 if sort "$nlist" | uniq > "$nlist"T; then
1565 mv -f "$nlist"T "$nlist"
1566 else
1567 rm -f "$nlist"T
1570 # Make sure that we snagged all the symbols we need.
1571 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1572 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1573 cat <<EOF > conftest.c
1574 #ifdef __cplusplus
1575 extern "C" {
1576 #endif
1579 # Now generate the symbol file.
1580 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1582 cat <<EOF >> conftest.c
1583 #if defined (__STDC__) && __STDC__
1584 # define lt_ptr_t void *
1585 #else
1586 # define lt_ptr_t char *
1587 # define const
1588 #endif
1590 /* The mapping between symbol names and symbols. */
1591 const struct {
1592 const char *name;
1593 lt_ptr_t address;
1595 lt_preloaded_symbols[] =
1598 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1599 cat <<\EOF >> conftest.c
1600 {0, (lt_ptr_t) 0}
1603 #ifdef __cplusplus
1605 #endif
1607 # Now try linking the two files.
1608 mv conftest.$objext conftstm.$objext
1609 save_LIBS="$LIBS"
1610 save_CFLAGS="$CFLAGS"
1611 LIBS="conftstm.$objext"
1612 CFLAGS="$CFLAGS$no_builtin_flag"
1613 if { (eval echo $progname:1613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1614 pipe_works=yes
1615 else
1616 echo "$progname: failed program was:" >&5
1617 cat conftest.c >&5
1619 LIBS="$save_LIBS"
1620 else
1621 echo "cannot find nm_test_func in $nlist" >&5
1623 else
1624 echo "cannot find nm_test_var in $nlist" >&5
1626 else
1627 echo "cannot run $global_symbol_pipe" >&5
1629 else
1630 echo "$progname: failed program was:" >&5
1631 cat conftest.c >&5
1633 $rm conftest* conftst*
1635 # Do not use the global_symbol_pipe unless it works.
1636 if test "$pipe_works" = yes; then
1637 break
1638 else
1639 global_symbol_pipe=
1641 done
1642 if test "$pipe_works" = yes; then
1643 echo "${ac_t}ok" 1>&6
1644 else
1645 echo "${ac_t}failed" 1>&6
1648 if test -z "$global_symbol_pipe"; then
1649 global_symbol_to_cdecl=
1652 # Check hardcoding attributes.
1653 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1654 hardcode_action=
1655 if test -n "$hardcode_libdir_flag_spec" || \
1656 test -n "$runpath_var"; then
1658 # We can hardcode non-existant directories.
1659 if test "$hardcode_direct" != no &&
1660 # If the only mechanism to avoid hardcoding is shlibpath_var, we
1661 # have to relink, otherwise we might link with an installed library
1662 # when we should be linking with a yet-to-be-installed one
1663 ## test "$hardcode_shlibpath_var" != no &&
1664 test "$hardcode_minus_L" != no; then
1665 # Linking always hardcodes the temporary library directory.
1666 hardcode_action=relink
1667 else
1668 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1669 hardcode_action=immediate
1671 else
1672 # We cannot hardcode anything, or else we can only hardcode existing
1673 # directories.
1674 hardcode_action=unsupported
1676 echo "$ac_t$hardcode_action" 1>&6
1679 reload_flag=
1680 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1681 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1682 # PORTME Some linkers may need a different reload flag.
1683 reload_flag='-r'
1684 echo "$ac_t$reload_flag" 1>&6
1685 test -n "$reload_flag" && reload_flag=" $reload_flag"
1687 # PORTME Fill in your ld.so characteristics
1688 library_names_spec=
1689 libname_spec='lib$name'
1690 soname_spec=
1691 postinstall_cmds=
1692 postuninstall_cmds=
1693 finish_cmds=
1694 finish_eval=
1695 shlibpath_var=
1696 shlibpath_overrides_runpath=unknown
1697 version_type=none
1698 dynamic_linker="$host_os ld.so"
1699 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1700 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1701 file_magic_cmd=
1702 file_magic_test_file=
1703 deplibs_check_method='unknown'
1704 # Need to set the preceding variable on all platforms that support
1705 # interlibrary dependencies.
1706 # 'none' -- dependencies not supported.
1707 # `unknown' -- same as none, but documents that we really don't know.
1708 # 'pass_all' -- all dependencies passed with no checks.
1709 # 'test_compile' -- check by making test program.
1710 # 'file_magic [regex]' -- check by looking for files in library path
1711 # which responds to the $file_magic_cmd with a given egrep regex.
1712 # If you have `file' or equivalent on your system and you're not sure
1713 # whether `pass_all' will *always* work, you probably want this one.
1714 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1715 case "$host_os" in
1716 aix3*)
1717 version_type=linux
1718 library_names_spec='${libname}${release}.so$versuffix $libname.a'
1719 shlibpath_var=LIBPATH
1721 # AIX has no versioning support, so we append a major version to the name.
1722 soname_spec='${libname}${release}.so$major'
1725 aix4*)
1726 version_type=linux
1727 # AIX has no versioning support, so currently we can not hardcode correct
1728 # soname into executable. Probably we can add versioning support to
1729 # collect2, so additional links can be useful in future.
1730 # We preserve .a as extension for shared libraries though AIX4.2
1731 # and later linker supports .so
1732 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1733 shlibpath_var=LIBPATH
1734 deplibs_check_method=pass_all
1737 amigaos*)
1738 library_names_spec='$libname.ixlibrary $libname.a'
1739 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1740 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 ${libname}_ixlibrary.a) || exit 1; done'
1743 beos*)
1744 library_names_spec='${libname}.so'
1745 dynamic_linker="$host_os ld.so"
1746 shlibpath_var=LIBRARY_PATH
1747 deplibs_check_method=pass_all
1748 lt_cv_dlopen="load_add_on"
1749 lt_cv_dlopen_libs=
1750 lt_cv_dlopen_self=yes
1753 bsdi4*)
1754 version_type=linux
1755 library_names_spec='${libname}.so$major ${libname}.so'
1756 soname_spec='${libname}.so'
1757 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1758 shlibpath_var=LD_LIBRARY_PATH
1759 deplibs_check_method='file_magic ELF 32-bit LSB shared object'
1760 file_magic_cmd=/usr/bin/file
1761 file_magic_test_file=/shlib/libc.so
1762 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1763 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1764 # the default ld.so.conf also contains /usr/contrib/lib and
1765 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1766 # libtool to hard-code these into programs
1769 cygwin* | mingw*)
1770 version_type=windows
1771 if test "$with_gcc" = yes; then
1772 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1773 else
1774 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1776 dynamic_linker='Win32 ld.exe'
1777 deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1778 file_magic_cmd='${OBJDUMP} -f'
1779 need_lib_prefix=no
1780 # FIXME: first we should search . and the directory the executable is in
1781 shlibpath_var=PATH
1782 lt_cv_dlopen="LoadLibrary"
1783 lt_cv_dlopen_libs=
1786 freebsd1*)
1787 dynamic_linker=no
1790 freebsd*)
1791 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1792 version_type=freebsd-$objformat
1793 case "$version_type" in
1794 freebsd-elf*)
1795 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
1796 file_magic_cmd=/usr/bin/file
1797 file_magic_test_file=`echo /usr/lib/libc.so*`
1798 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1799 need_version=no
1800 need_lib_prefix=no
1802 freebsd-*)
1803 deplibs_check_method=unknown
1804 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1805 need_version=yes
1807 esac
1808 finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1809 shlibpath_var=LD_LIBRARY_PATH
1812 gnu*)
1813 version_type=linux
1814 library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1815 shlibpath_var=LD_LIBRARY_PATH
1818 hpux9* | hpux10* | hpux11*)
1819 # Give a soname corresponding to the major version so that dld.sl refuses to
1820 # link against other versions.
1821 dynamic_linker="$host_os dld.sl"
1822 version_type=sunos
1823 need_lib_prefix=no
1824 need_version=no
1825 shlibpath_var=SHLIB_PATH
1826 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1827 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1828 soname_spec='${libname}${release}.sl$major'
1829 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1830 postinstall_cmds='chmod 555 $lib'
1833 irix5* | irix6*)
1834 version_type=irix
1835 need_lib_prefix=no
1836 need_version=no
1837 soname_spec='${libname}${release}.so.$major'
1838 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
1839 case "$host_os" in
1840 irix5*)
1841 libsuff= shlibsuff=
1842 # this will be overridden with pass_all, but let us keep it just in case
1843 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
1846 case "$LD" in # libtool.m4 will add one of these switches to LD
1847 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1848 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1849 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1850 *) libsuff= shlibsuff= libmagic=never-match;;
1851 esac
1852 # this will be overridden with pass_all, but let us keep it just in case
1853 deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
1855 esac
1856 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1857 shlibpath_overrides_runpath=no
1858 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
1859 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1860 file_magic_cmd=/usr/bin/file
1861 file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1862 deplibs_check_method='pass_all'
1865 # No shared lib support for Linux oldld, aout, or coff.
1866 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1867 dynamic_linker=no
1870 # This must be Linux ELF.
1871 linux-gnu*)
1872 version_type=linux
1873 need_lib_prefix=no
1874 need_version=no
1875 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1876 soname_spec='${libname}${release}.so$major'
1877 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1878 shlibpath_var=LD_LIBRARY_PATH
1879 shlibpath_overrides_runpath=no
1880 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1881 file_magic_cmd=/usr/bin/file
1882 file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1884 if test -f /lib/ld.so.1; then
1885 dynamic_linker='GNU ld.so'
1886 else
1887 # Only the GNU ld.so supports shared libraries on MkLinux.
1888 case "$host_cpu" in
1889 powerpc*) dynamic_linker=no ;;
1890 *) dynamic_linker='Linux ld.so' ;;
1891 esac
1895 netbsd*)
1896 version_type=sunos
1897 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1898 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1899 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1900 dynamic_linker='NetBSD (a.out) ld.so'
1901 else
1902 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1903 soname_spec='${libname}${release}.so$major'
1904 dynamic_linker='NetBSD ld.elf_so'
1906 shlibpath_var=LD_LIBRARY_PATH
1909 openbsd*)
1910 version_type=sunos
1911 if test "$with_gnu_ld" = yes; then
1912 need_lib_prefix=no
1913 need_version=no
1915 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1916 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1917 shlibpath_var=LD_LIBRARY_PATH
1920 os2*)
1921 libname_spec='$name'
1922 need_lib_prefix=no
1923 library_names_spec='$libname.dll $libname.a'
1924 dynamic_linker='OS/2 ld.exe'
1925 shlibpath_var=LIBPATH
1928 osf3* | osf4*)
1929 version_type=osf
1930 need_version=no
1931 soname_spec='${libname}${release}.so'
1932 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1933 shlibpath_var=LD_LIBRARY_PATH
1934 # this will be overridden with pass_all, but let us keep it just in case
1935 deplibs_check_method='file_magic COFF format alpha shared library'
1936 file_magic_cmd=/usr/bin/file
1937 file_magic_test_file=/shlib/libc.so
1938 deplibs_check_method='pass_all'
1939 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1940 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1943 sco3.2v5*)
1944 version_type=osf
1945 soname_spec='${libname}${release}.so$major'
1946 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1947 shlibpath_var=LD_LIBRARY_PATH
1950 solaris*)
1951 version_type=linux
1952 need_lib_prefix=no
1953 need_version=no
1954 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1955 soname_spec='${libname}${release}.so$major'
1956 shlibpath_var=LD_LIBRARY_PATH
1957 shlibpath_overrides_runpath=yes
1958 # ldd complains unless libraries are executable
1959 postinstall_cmds='chmod +x $lib'
1960 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
1961 file_magic_cmd=/usr/bin/file
1962 file_magic_test_file=/lib/libc.so
1965 sunos4*)
1966 version_type=sunos
1967 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1968 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1969 shlibpath_var=LD_LIBRARY_PATH
1970 shlibpath_overrides_runpath=yes
1971 if test "$with_gnu_ld" = yes; then
1972 need_lib_prefix=no
1974 need_version=yes
1977 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
1978 version_type=linux
1979 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1980 soname_spec='${libname}${release}.so$major'
1981 shlibpath_var=LD_LIBRARY_PATH
1982 case "$host_vendor" in
1983 ncr)
1984 deplibs_check_method='pass_all'
1986 motorola)
1987 need_lib_prefix=no
1988 need_version=no
1989 shlibpath_overrides_runpath=no
1990 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
1991 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
1992 file_magic_cmd=/usr/bin/file
1993 file_magic_test_file=`echo /usr/lib/libc.so*`
1995 esac
1998 uts4*)
1999 version_type=linux
2000 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2001 soname_spec='${libname}${release}.so$major'
2002 shlibpath_var=LD_LIBRARY_PATH
2005 dgux*)
2006 version_type=linux
2007 need_lib_prefix=no
2008 need_version=no
2009 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2010 soname_spec='${libname}${release}.so$major'
2011 shlibpath_var=LD_LIBRARY_PATH
2014 sysv4*MP*)
2015 if test -d /usr/nec ;then
2016 version_type=linux
2017 library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2018 soname_spec='$libname.so.$major'
2019 shlibpath_var=LD_LIBRARY_PATH
2024 dynamic_linker=no
2026 esac
2027 echo "$ac_t$dynamic_linker" 1>&6
2028 test "$dynamic_linker" = no && can_build_shared=no
2030 # Report the final consequences.
2031 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
2033 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
2034 # configure.in, otherwise build static only libraries.
2035 case "$host_os" in
2036 cygwin* | mingw* | os2*)
2037 if test x$can_build_shared = xyes; then
2038 test x$enable_win32_dll = xno && can_build_shared=no
2039 echo "checking if package supports dlls... $can_build_shared" 1>&6
2042 esac
2044 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
2045 case "$deplibs_check_method" in
2046 "file_magic "*)
2047 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
2048 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
2049 egrep "$file_magic_regex" > /dev/null; then
2051 else
2052 cat <<EOF 1>&2
2054 *** Warning: the command libtool uses to detect shared libraries,
2055 *** $file_magic_cmd, produces output that libtool cannot recognize.
2056 *** The result is that libtool may fail to recognize shared libraries
2057 *** as such. This will affect the creation of libtool libraries that
2058 *** depend on shared libraries, but programs linked with such libtool
2059 *** libraries will work regardless of this problem. Nevertheless, you
2060 *** may want to report the problem to your system manager and/or to
2061 *** bug-libtool@gnu.org
2064 fi ;;
2065 esac
2068 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2069 test "$can_build_shared" = "no" && enable_shared=no
2071 # On AIX, shared libraries and static libraries use the same namespace, and
2072 # are all built from PIC.
2073 case "$host_os" in
2074 aix3*)
2075 test "$enable_shared" = yes && enable_static=no
2076 if test -n "$RANLIB"; then
2077 archive_cmds="$archive_cmds~\$RANLIB \$lib"
2078 postinstall_cmds='$RANLIB $lib'
2082 aix4*)
2083 test "$enable_shared" = yes && enable_static=no
2085 esac
2087 echo "$ac_t$enable_shared" 1>&6
2089 # Make sure either enable_shared or enable_static is yes.
2090 test "$enable_shared" = yes || enable_static=yes
2092 echo "checking whether to build static libraries... $enable_static" 1>&6
2094 if test "$hardcode_action" = relink; then
2095 # Fast installation is not supported
2096 enable_fast_install=no
2097 elif test "$shlibpath_overrides_runpath" = yes ||
2098 test "$enable_shared" = no; then
2099 # Fast installation is not necessary
2100 enable_fast_install=needless
2103 echo $ac_n "checking for objdir... $ac_c" 1>&6
2104 rm -f .libs 2>/dev/null
2105 mkdir .libs 2>/dev/null
2106 if test -d .libs; then
2107 objdir=.libs
2108 else
2109 # MS-DOS does not allow filenames that begin with a dot.
2110 objdir=_libs
2112 rmdir .libs 2>/dev/null
2113 echo "$ac_t$objdir" 1>&6
2115 if test "x$enable_dlopen" != xyes; then
2116 enable_dlopen=unknown
2117 enable_dlopen_self=unknown
2118 enable_dlopen_self_static=unknown
2119 else
2120 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2121 lt_cv_dlopen=no lt_cv_dlopen_libs=
2122 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2123 echo "$progname:2123: checking for dlopen in -ldl" >&5
2124 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2125 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2126 echo $ac_n "(cached) $ac_c" 1>&6
2127 else
2128 ac_save_LIBS="$LIBS"
2129 LIBS="-ldl $LIBS"
2130 cat > conftest.$ac_ext <<EOF
2131 #line 2131 "ltconfig"
2132 /* Override any gcc2 internal prototype to avoid an error. */
2133 /* We use char because int might match the return type of a gcc2
2134 builtin and then its argument prototype would still apply. */
2135 char dlopen();
2137 int main() {
2138 dlopen()
2139 ; return 0; }
2141 if { (eval echo $progname:2141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2142 rm -rf conftest*
2143 eval "ac_cv_lib_$ac_lib_var=yes"
2144 else
2145 echo "$progname: failed program was:" >&5
2146 cat conftest.$ac_ext >&5
2147 rm -rf conftest*
2148 eval "ac_cv_lib_$ac_lib_var=no"
2150 rm -f conftest*
2151 LIBS="$ac_save_LIBS"
2154 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2155 echo "$ac_t""yes" 1>&6
2156 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2157 else
2158 echo "$ac_t""no" 1>&6
2159 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2160 echo "$progname:2160: checking for dlopen" >&5
2161 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2162 echo $ac_n "(cached) $ac_c" 1>&6
2163 else
2164 cat > conftest.$ac_ext <<EOF
2165 #line 2165 "ltconfig"
2166 /* System header to define __stub macros and hopefully few prototypes,
2167 which can conflict with char dlopen(); below. */
2168 #include <assert.h>
2169 /* Override any gcc2 internal prototype to avoid an error. */
2170 /* We use char because int might match the return type of a gcc2
2171 builtin and then its argument prototype would still apply. */
2172 char dlopen();
2174 int main() {
2176 /* The GNU C library defines this for functions which it implements
2177 to always fail with ENOSYS. Some functions are actually named
2178 something starting with __ and the normal name is an alias. */
2179 #if defined (__stub_dlopen) || defined (__stub___dlopen)
2180 choke me
2181 #else
2182 dlopen();
2183 #endif
2185 ; return 0; }
2187 if { (eval echo $progname:2187: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2188 rm -rf conftest*
2189 eval "ac_cv_func_dlopen=yes"
2190 else
2191 echo "$progname: failed program was:" >&5
2192 cat conftest.$ac_ext >&5
2193 rm -rf conftest*
2194 eval "ac_cv_func_dlopen=no"
2196 rm -f conftest*
2198 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2199 echo "$ac_t""yes" 1>&6
2200 lt_cv_dlopen="dlopen"
2201 else
2202 echo "$ac_t""no" 1>&6
2203 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2204 echo "$progname:2204: checking for dld_link in -ldld" >&5
2205 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2206 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2207 echo $ac_n "(cached) $ac_c" 1>&6
2208 else
2209 ac_save_LIBS="$LIBS"
2210 LIBS="-ldld $LIBS"
2211 cat > conftest.$ac_ext <<EOF
2212 #line 2212 "ltconfig"
2213 /* Override any gcc2 internal prototype to avoid an error. */
2214 /* We use char because int might match the return type of a gcc2
2215 builtin and then its argument prototype would still apply. */
2216 char dld_link();
2218 int main() {
2219 dld_link()
2220 ; return 0; }
2222 if { (eval echo $progname:2222: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2223 rm -rf conftest*
2224 eval "ac_cv_lib_$ac_lib_var=yes"
2225 else
2226 echo "$progname: failed program was:" >&5
2227 cat conftest.$ac_ext >&5
2228 rm -rf conftest*
2229 eval "ac_cv_lib_$ac_lib_var=no"
2231 rm -f conftest*
2232 LIBS="$ac_save_LIBS"
2235 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2236 echo "$ac_t""yes" 1>&6
2237 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2238 else
2239 echo "$ac_t""no" 1>&6
2240 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2241 echo "$progname:2241: checking for shl_load" >&5
2242 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2243 echo $ac_n "(cached) $ac_c" 1>&6
2244 else
2245 cat > conftest.$ac_ext <<EOF
2246 #line 2246 "ltconfig"
2247 /* System header to define __stub macros and hopefully few prototypes,
2248 which can conflict with char shl_load(); below. */
2249 #include <assert.h>
2250 /* Override any gcc2 internal prototype to avoid an error. */
2251 /* We use char because int might match the return type of a gcc2
2252 builtin and then its argument prototype would still apply. */
2253 char shl_load();
2255 int main() {
2257 /* The GNU C library defines this for functions which it implements
2258 to always fail with ENOSYS. Some functions are actually named
2259 something starting with __ and the normal name is an alias. */
2260 #if defined (__stub_shl_load) || defined (__stub___shl_load)
2261 choke me
2262 #else
2263 shl_load();
2264 #endif
2266 ; return 0; }
2268 if { (eval echo $progname:2268: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2269 rm -rf conftest*
2270 eval "ac_cv_func_shl_load=yes"
2271 else
2272 echo "$progname: failed program was:" >&5
2273 cat conftest.$ac_ext >&5
2274 rm -rf conftest*
2275 eval "ac_cv_func_shl_load=no"
2277 rm -f conftest*
2280 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2281 echo "$ac_t""yes" 1>&6
2282 lt_cv_dlopen="shl_load"
2283 else
2284 echo "$ac_t""no" 1>&6
2285 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
2286 echo "$progname:2286: checking for shl_load in -ldld" >&5
2287 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
2288 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2289 echo $ac_n "(cached) $ac_c" 1>&6
2290 else
2291 ac_save_LIBS="$LIBS"
2292 LIBS="-ldld $LIBS"
2293 cat > conftest.$ac_ext <<EOF
2294 #line 2294 "ltconfig"
2295 #include "confdefs.h"
2296 /* Override any gcc2 internal prototype to avoid an error. */
2297 /* We use char because int might match the return type of a gcc2
2298 builtin and then its argument prototype would still apply. */
2299 char shl_load();
2301 int main() {
2302 shl_load()
2303 ; return 0; }
2305 if { (eval echo $progname:2305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2306 rm -rf conftest*
2307 eval "ac_cv_lib_$ac_lib_var=yes"
2308 else
2309 echo "$progname: failed program was:" >&5
2310 cat conftest.$ac_ext >&5
2311 rm -rf conftest*
2312 eval "ac_cv_lib_$ac_lib_var=no"
2314 rm -f conftest*
2315 LIBS="$ac_save_LIBS"
2318 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2319 echo "$ac_t""yes" 1>&6
2320 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
2321 else
2322 echo "$ac_t""no" 1>&6
2339 if test "x$lt_cv_dlopen" != xno; then
2340 enable_dlopen=yes
2343 case "$lt_cv_dlopen" in
2344 dlopen)
2345 for ac_hdr in dlfcn.h; do
2346 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2347 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2348 echo "$progname:2348: checking for $ac_hdr" >&5
2349 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2350 echo $ac_n "(cached) $ac_c" 1>&6
2351 else
2352 cat > conftest.$ac_ext <<EOF
2353 #line 2353 "ltconfig"
2354 #include <$ac_hdr>
2355 int fnord = 0;
2357 ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
2358 { (eval echo $progname:2358: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2359 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2360 if test -z "$ac_err"; then
2361 rm -rf conftest*
2362 eval "ac_cv_header_$ac_safe=yes"
2363 else
2364 echo "$ac_err" >&5
2365 echo "$progname: failed program was:" >&5
2366 cat conftest.$ac_ext >&5
2367 rm -rf conftest*
2368 eval "ac_cv_header_$ac_safe=no"
2370 rm -f conftest*
2372 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2373 echo "$ac_t""yes" 1>&6
2374 else
2375 echo "$ac_t""no" 1>&6
2377 done
2379 if test "x$ac_cv_header_dlfcn_h" = xyes; then
2380 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2382 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2383 LIBS="$lt_cv_dlopen_libs $LIBS"
2385 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2386 echo "$progname:2386: checking whether a program can dlopen itself" >&5
2387 if test "${lt_cv_dlopen_self+set}" = set; then
2388 echo $ac_n "(cached) $ac_c" 1>&6
2389 else
2390 if test "$cross_compiling" = yes; then
2391 lt_cv_dlopen_self=cross
2392 else
2393 cat > conftest.c <<EOF
2394 #line 2394 "ltconfig"
2396 #if HAVE_DLFCN_H
2397 #include <dlfcn.h>
2398 #endif
2400 #include <stdio.h>
2402 #ifdef RTLD_GLOBAL
2403 # define LTDL_GLOBAL RTLD_GLOBAL
2404 #else
2405 # ifdef DL_GLOBAL
2406 # define LTDL_GLOBAL DL_GLOBAL
2407 # else
2408 # define LTDL_GLOBAL 0
2409 # endif
2410 #endif
2412 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2413 find out it does not work in some platform. */
2414 #ifndef LTDL_LAZY_OR_NOW
2415 # ifdef RTLD_LAZY
2416 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2417 # else
2418 # ifdef DL_LAZY
2419 # define LTDL_LAZY_OR_NOW DL_LAZY
2420 # else
2421 # ifdef RTLD_NOW
2422 # define LTDL_LAZY_OR_NOW RTLD_NOW
2423 # else
2424 # ifdef DL_NOW
2425 # define LTDL_LAZY_OR_NOW DL_NOW
2426 # else
2427 # define LTDL_LAZY_OR_NOW 0
2428 # endif
2429 # endif
2430 # endif
2431 # endif
2432 #endif
2434 fnord() { int i=42;}
2435 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2436 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2437 if(ptr1 || ptr2) exit(0); } exit(1); }
2440 if { (eval echo $progname:2440: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2441 then
2442 lt_cv_dlopen_self=yes
2443 else
2444 echo "$progname: failed program was:" >&5
2445 cat conftest.$ac_ext >&5
2446 rm -fr conftest*
2447 lt_cv_dlopen_self=no
2449 rm -fr conftest*
2454 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2456 if test "$lt_cv_dlopen_self" = yes; then
2457 LDFLAGS="$LDFLAGS $link_static_flag"
2458 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2459 echo "$progname:2459: checking whether a statically linked program can dlopen itself" >&5
2460 if test "${lt_cv_dlopen_self_static+set}" = set; then
2461 echo $ac_n "(cached) $ac_c" 1>&6
2462 else
2463 if test "$cross_compiling" = yes; then
2464 lt_cv_dlopen_self_static=cross
2465 else
2466 cat > conftest.c <<EOF
2467 #line 2467 "ltconfig"
2469 #if HAVE_DLFCN_H
2470 #include <dlfcn.h>
2471 #endif
2473 #include <stdio.h>
2475 #ifdef RTLD_GLOBAL
2476 # define LTDL_GLOBAL RTLD_GLOBAL
2477 #else
2478 # ifdef DL_GLOBAL
2479 # define LTDL_GLOBAL DL_GLOBAL
2480 # else
2481 # define LTDL_GLOBAL 0
2482 # endif
2483 #endif
2485 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2486 find out it does not work in some platform. */
2487 #ifndef LTDL_LAZY_OR_NOW
2488 # ifdef RTLD_LAZY
2489 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2490 # else
2491 # ifdef DL_LAZY
2492 # define LTDL_LAZY_OR_NOW DL_LAZY
2493 # else
2494 # ifdef RTLD_NOW
2495 # define LTDL_LAZY_OR_NOW RTLD_NOW
2496 # else
2497 # ifdef DL_NOW
2498 # define LTDL_LAZY_OR_NOW DL_NOW
2499 # else
2500 # define LTDL_LAZY_OR_NOW 0
2501 # endif
2502 # endif
2503 # endif
2504 # endif
2505 #endif
2507 fnord() { int i=42;}
2508 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2509 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2510 if(ptr1 || ptr2) exit(0); } exit(1); }
2513 if { (eval echo $progname:2513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2514 then
2515 lt_cv_dlopen_self_static=yes
2516 else
2517 echo "$progname: failed program was:" >&5
2518 cat conftest.$ac_ext >&5
2519 rm -fr conftest*
2520 lt_cv_dlopen_self_static=no
2522 rm -fr conftest*
2527 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2530 esac
2532 case "$lt_cv_dlopen_self" in
2533 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2534 *) enable_dlopen_self=unknown ;;
2535 esac
2537 case "$lt_cv_dlopen_self_static" in
2538 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2539 *) enable_dlopen_self_static=unknown ;;
2540 esac
2543 # Copy echo and quote the copy, instead of the original, because it is
2544 # used later.
2545 ltecho="$echo"
2546 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2547 ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2549 LTSHELL="$SHELL"
2551 LTCONFIG_VERSION="$VERSION"
2553 # Only quote variables if we're using ltmain.sh.
2554 case "$ltmain" in
2555 *.sh)
2556 # Now quote all the things that may contain metacharacters.
2557 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2558 old_LD old_LDFLAGS old_LIBS \
2559 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2560 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2561 reload_flag reload_cmds wl \
2562 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2563 thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2564 library_names_spec soname_spec \
2565 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2566 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2567 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2568 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2569 hardcode_libdir_flag_spec hardcode_libdir_separator \
2570 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2571 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2573 case "$var" in
2574 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2575 old_postinstall_cmds | old_postuninstall_cmds | \
2576 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2577 postinstall_cmds | postuninstall_cmds | \
2578 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2579 # Double-quote double-evaled strings.
2580 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2583 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2585 esac
2586 done
2588 case "$ltecho" in
2589 *'\$0 --fallback-echo"')
2590 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2592 esac
2594 trap "$rm \"$ofile\"; exit 1" 1 2 15
2595 echo "creating $ofile"
2596 $rm "$ofile"
2597 cat <<EOF > "$ofile"
2598 #! $SHELL
2600 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2601 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2602 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2604 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
2605 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2607 # This program is free software; you can redistribute it and/or modify
2608 # it under the terms of the GNU General Public License as published by
2609 # the Free Software Foundation; either version 2 of the License, or
2610 # (at your option) any later version.
2612 # This program is distributed in the hope that it will be useful, but
2613 # WITHOUT ANY WARRANTY; without even the implied warranty of
2614 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2615 # General Public License for more details.
2617 # You should have received a copy of the GNU General Public License
2618 # along with this program; if not, write to the Free Software
2619 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2621 # As a special exception to the GNU General Public License, if you
2622 # distribute this file as part of a program that contains a
2623 # configuration script generated by Autoconf, you may include it under
2624 # the same distribution terms that you use for the rest of that program.
2626 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2627 Xsed="sed -e s/^X//"
2629 # The HP-UX ksh and POSIX shell print the target directory to stdout
2630 # if CDPATH is set.
2631 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
2633 ### BEGIN LIBTOOL CONFIG
2635 cfgfile="$ofile"
2639 # Double-quote the variables that need it (for aesthetics).
2640 for var in old_CC old_CFLAGS old_CPPFLAGS \
2641 old_LD old_LDFLAGS old_LIBS \
2642 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
2643 eval "$var=\\\"\$var\\\""
2644 done
2646 # Just create a config file.
2647 cfgfile="$ofile.cfg"
2648 trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2649 echo "creating $cfgfile"
2650 $rm "$cfgfile"
2651 cat <<EOF > "$cfgfile"
2652 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2653 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2656 esac
2658 cat <<EOF >> "$cfgfile"
2659 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2661 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2662 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
2663 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2664 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
2665 # $0$ltconfig_args
2667 # Compiler and other test output produced by $progname, useful for
2668 # debugging $progname, is in ./config.log if it exists.
2670 # The version of $progname that generated this script.
2671 LTCONFIG_VERSION=$LTCONFIG_VERSION
2673 # Shell to use when invoking shell scripts.
2674 SHELL=$LTSHELL
2676 # Whether or not to build shared libraries.
2677 build_libtool_libs=$enable_shared
2679 # Whether or not to build static libraries.
2680 build_old_libs=$enable_static
2682 # Whether or not to optimize for fast installation.
2683 fast_install=$enable_fast_install
2685 # The host system.
2686 host_alias=$host_alias
2687 host=$host
2689 # An echo program that does not interpret backslashes.
2690 echo=$ltecho
2692 # The archiver.
2693 AR=$AR
2695 # The default C compiler.
2696 CC=$CC
2698 # The linker used to build libraries.
2699 LD=$LD
2701 # Whether we need hard or soft links.
2702 LN_S=$LN_S
2704 # A BSD-compatible nm program.
2705 NM=$NM
2707 # Used on cygwin: DLL creation program.
2708 DLLTOOL="$DLLTOOL"
2710 # Used on cygwin: object dumper.
2711 OBJDUMP="$OBJDUMP"
2713 # Used on cygwin: assembler.
2714 AS="$AS"
2716 # The name of the directory that contains temporary libtool files.
2717 objdir=$objdir
2719 # How to create reloadable object files.
2720 reload_flag=$reload_flag
2721 reload_cmds=$reload_cmds
2723 # How to pass a linker flag through the compiler.
2724 wl=$wl
2726 # Object file suffix (normally "o").
2727 objext="$objext"
2729 # Old archive suffix (normally "a").
2730 libext="$libext"
2732 # Additional compiler flags for building library objects.
2733 pic_flag=$pic_flag
2735 # Does compiler simultaneously support -c and -o options?
2736 compiler_c_o=$compiler_c_o
2738 # Can we write directly to a .lo ?
2739 compiler_o_lo=$compiler_o_lo
2741 # Must we lock files when doing compilation ?
2742 need_locks=$need_locks
2744 # Do we need the lib prefix for modules?
2745 need_lib_prefix=$need_lib_prefix
2747 # Do we need a version for libraries?
2748 need_version=$need_version
2750 # Whether dlopen is supported.
2751 dlopen=$enable_dlopen
2753 # Whether dlopen of programs is supported.
2754 dlopen_self=$enable_dlopen_self
2756 # Whether dlopen of statically linked programs is supported.
2757 dlopen_self_static=$enable_dlopen_self_static
2759 # Compiler flag to prevent dynamic linking.
2760 link_static_flag=$link_static_flag
2762 # Compiler flag to turn off builtin functions.
2763 no_builtin_flag=$no_builtin_flag
2765 # Compiler flag to allow reflexive dlopens.
2766 export_dynamic_flag_spec=$export_dynamic_flag_spec
2768 # Compiler flag to generate shared objects directly from archives.
2769 whole_archive_flag_spec=$whole_archive_flag_spec
2771 # Compiler flag to generate thread-safe objects.
2772 thread_safe_flag_spec=$thread_safe_flag_spec
2774 # Library versioning type.
2775 version_type=$version_type
2777 # Format of library name prefix.
2778 libname_spec=$libname_spec
2780 # List of archive names. First name is the real one, the rest are links.
2781 # The last name is the one that the linker finds with -lNAME.
2782 library_names_spec=$library_names_spec
2784 # The coded name of the library, if different from the real name.
2785 soname_spec=$soname_spec
2787 # Commands used to build and install an old-style archive.
2788 RANLIB=$RANLIB
2789 old_archive_cmds=$old_archive_cmds
2790 old_postinstall_cmds=$old_postinstall_cmds
2791 old_postuninstall_cmds=$old_postuninstall_cmds
2793 # Create an old-style archive from a shared archive.
2794 old_archive_from_new_cmds=$old_archive_from_new_cmds
2796 # Commands used to build and install a shared archive.
2797 archive_cmds=$archive_cmds
2798 archive_expsym_cmds=$archive_expsym_cmds
2799 postinstall_cmds=$postinstall_cmds
2800 postuninstall_cmds=$postuninstall_cmds
2802 # Method to check whether dependent libraries are shared objects.
2803 deplibs_check_method=$deplibs_check_method
2805 # Command to use when deplibs_check_method == file_magic.
2806 file_magic_cmd=$file_magic_cmd
2808 # Flag that allows shared libraries with undefined symbols to be built.
2809 allow_undefined_flag=$allow_undefined_flag
2811 # Flag that forces no undefined symbols.
2812 no_undefined_flag=$no_undefined_flag
2814 # Commands used to finish a libtool library installation in a directory.
2815 finish_cmds=$finish_cmds
2817 # Same as above, but a single script fragment to be evaled but not shown.
2818 finish_eval=$finish_eval
2820 # Take the output of nm and produce a listing of raw symbols and C names.
2821 global_symbol_pipe=$global_symbol_pipe
2823 # Transform the output of nm in a proper C declaration
2824 global_symbol_to_cdecl=$global_symbol_to_cdecl
2826 # This is the shared library runtime path variable.
2827 runpath_var=$runpath_var
2829 # This is the shared library path variable.
2830 shlibpath_var=$shlibpath_var
2832 # Is shlibpath searched before the hard-coded library search path?
2833 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2835 # How to hardcode a shared library path into an executable.
2836 hardcode_action=$hardcode_action
2838 # Flag to hardcode \$libdir into a binary during linking.
2839 # This must work even if \$libdir does not exist.
2840 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2842 # Whether we need a single -rpath flag with a separated argument.
2843 hardcode_libdir_separator=$hardcode_libdir_separator
2845 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2846 # resulting binary.
2847 hardcode_direct=$hardcode_direct
2849 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2850 # resulting binary.
2851 hardcode_minus_L=$hardcode_minus_L
2853 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2854 # the resulting binary.
2855 hardcode_shlibpath_var=$hardcode_shlibpath_var
2857 # Compile-time system search path for libraries
2858 sys_lib_search_path_spec=$sys_lib_search_path_spec
2860 # Run-time system search path for libraries
2861 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2863 # Fix the shell variable \$srcfile for the compiler.
2864 fix_srcfile_path="$fix_srcfile_path"
2866 # Set to yes if exported symbols are required.
2867 always_export_symbols=$always_export_symbols
2869 # The commands to list exported symbols.
2870 export_symbols_cmds=$export_symbols_cmds
2872 # Symbols that should not be listed in the preloaded symbols.
2873 exclude_expsyms=$exclude_expsyms
2875 # Symbols that must always be exported.
2876 include_expsyms=$include_expsyms
2880 case "$ltmain" in
2881 *.sh)
2882 echo '### END LIBTOOL CONFIG' >> "$ofile"
2883 echo >> "$ofile"
2884 case "$host_os" in
2885 aix3*)
2886 cat <<\EOF >> "$ofile"
2888 # AIX sometimes has problems with the GCC collect2 program. For some
2889 # reason, if we set the COLLECT_NAMES environment variable, the problems
2890 # vanish in a puff of smoke.
2891 if test "${COLLECT_NAMES+set}" != set; then
2892 COLLECT_NAMES=
2893 export COLLECT_NAMES
2897 esac
2899 # Append the ltmain.sh script.
2900 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2902 chmod +x "$ofile"
2906 # Compile the libtool program.
2907 echo "FIXME: would compile $ltmain"
2909 esac
2911 test -n "$cache_file" || exit 0
2913 # AC_CACHE_SAVE
2914 trap '' 1 2 15
2915 cat > confcache <<\EOF
2916 # This file is a shell script that caches the results of configure
2917 # tests run on this system so they can be shared between configure
2918 # scripts and configure runs. It is not useful on other systems.
2919 # If it contains results you don't want to keep, you may remove or edit it.
2921 # By default, configure uses ./config.cache as the cache file,
2922 # creating it if it does not exist already. You can give configure
2923 # the --cache-file=FILE option to use a different cache file; that is
2924 # what configure does when it calls configure scripts in
2925 # subdirectories, so they share the cache.
2926 # Giving --cache-file=/dev/null disables caching, for debugging configure.
2927 # config.status only pays attention to the cache file if you give it the
2928 # --recheck option to rerun configure.
2931 # The following way of writing the cache mishandles newlines in values,
2932 # but we know of no workaround that is simple, portable, and efficient.
2933 # So, don't put newlines in cache variables' values.
2934 # Ultrix sh set writes to stderr and can't be redirected directly,
2935 # and sets the high bit in the cache file unless we assign to the vars.
2936 (set) 2>&1 |
2937 case `(ac_space=' '; set | grep ac_space) 2>&1` in
2938 *ac_space=\ *)
2939 # `set' does not quote correctly, so add quotes (double-quote substitution
2940 # turns \\\\ into \\, and sed turns \\ into \).
2941 sed -n \
2942 -e "s/'/'\\\\''/g" \
2943 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
2946 # `set' quotes correctly as required by POSIX, so do not add quotes.
2947 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
2949 esac >> confcache
2950 if cmp -s $cache_file confcache; then
2952 else
2953 if test -w $cache_file; then
2954 echo "updating cache $cache_file"
2955 cat confcache > $cache_file
2956 else
2957 echo "not updating unwritable cache $cache_file"
2960 rm -f confcache
2962 exit 0
2964 # Local Variables:
2965 # mode:shell-script
2966 # sh-indentation:2
2967 # End: