Annotation of libwww/config/ltconfig, revision 1.6
1.1 frystyk 1: #! /bin/sh
2:
3: # ltconfig - Create a system-specific libtool.
1.4 frystyk 4: # Copyright (C) 1996-1999 Free Software Foundation, Inc.
1.5 frystyk 5: # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
1.1 frystyk 6: #
7: # This file is free software; you can redistribute it and/or modify it
8: # under the terms of the GNU General Public License as published by
9: # the Free Software Foundation; either version 2 of the License, or
10: # (at your option) any later version.
11: #
12: # This program is distributed in the hope that it will be useful, but
13: # WITHOUT ANY WARRANTY; without even the implied warranty of
14: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: # General Public License for more details.
16: #
17: # You should have received a copy of the GNU General Public License
18: # along with this program; if not, write to the Free Software
19: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: #
21: # As a special exception to the GNU General Public License, if you
22: # distribute this file as part of a program that contains a
23: # configuration script generated by Autoconf, you may include it under
24: # the same distribution terms that you use for the rest of that program.
25:
26: # A lot of this script is taken from autoconf-2.10.
27:
1.3 frystyk 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
1.4 frystyk 34: elif test "X$1" = X--fallback-echo; then
1.5 frystyk 35: # Avoid inline document here, it may be left over
36: :
37: elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
38: # Yippee, $echo works!
39: :
40: else
41: # Restart under the correct shell.
42: exec "$SHELL" "$0" --no-reexec ${1+"$@"}
43: fi
44:
45: if test "X$1" = X--fallback-echo; then
1.4 frystyk 46: # used as fallback echo
47: shift
48: cat <<EOF
49: $*
50: EOF
51: exit 0
1.3 frystyk 52: fi
53:
1.4 frystyk 54: # Find the correct PATH separator. Usually this is `:', but
55: # DJGPP uses `;' like DOS.
56: if test "X${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
62: fi
63:
1.2 frystyk 64: # The HP-UX ksh and POSIX shell print the target directory to stdout
65: # if CDPATH is set.
66: if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
67:
1.4 frystyk 68: if test "X${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$echo_test_string") 2>/dev/null; then
75: break
76: fi
77: done
78: fi
79:
80: if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
81: test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
1.3 frystyk 82: # The Solaris, AIX, and Digital Unix default echo programs unquote
83: # backslashes. This makes it impossible to quote backslashes using
1.2 frystyk 84: # echo "$something" | sed 's/\\/\\\\/g'
1.3 frystyk 85: #
86: # So, first we look for a working echo in the user's PATH.
1.4 frystyk 87:
88: IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1.3 frystyk 89: for dir in $PATH /usr/ucb; do
1.5 frystyk 90: if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
1.4 frystyk 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
1.3 frystyk 93: echo="$dir/echo"
94: break
95: fi
96: done
97: IFS="$save_ifs"
98:
99: if test "X$echo" = Xecho; then
100: # We didn't find a better echo, so look for alternatives.
1.4 frystyk 101: if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
102: test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
1.3 frystyk 103: # This shell has a builtin print -r that does the trick.
104: echo='print -r'
1.5 frystyk 105: elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
106: test "X$CONFIG_SHELL" != X/bin/ksh; then
1.3 frystyk 107: # If we have ksh, try running ltconfig again with it.
1.4 frystyk 108: ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
109: export ORIGINAL_CONFIG_SHELL
1.3 frystyk 110: CONFIG_SHELL=/bin/ksh
111: export CONFIG_SHELL
112: exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
113: else
114: # Try using printf.
1.5 frystyk 115: echo='printf "%s\n"'
1.4 frystyk 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
119: :
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=:
133:
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 $cmd`") 2>/dev/null; then
136: break
137: fi
138: prev="$cmd"
139: done
140:
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
148: fi
1.2 frystyk 149: fi
1.3 frystyk 150: fi
1.2 frystyk 151: fi
152: fi
153:
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'
158:
159: # Same as above, but do not quote variable references.
160: double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
161:
1.5 frystyk 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'
165:
1.1 frystyk 166: # The name of this program.
1.2 frystyk 167: progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
1.1 frystyk 168:
169: # Constants:
170: PROGRAM=ltconfig
171: PACKAGE=libtool
1.6 ! frystyk 172: VERSION=1.3.2
! 173: TIMESTAMP=" (1.385.2.150 1999/05/26 00:28:32)"
1.1 frystyk 174: ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
1.2 frystyk 175: ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
1.1 frystyk 176: rm="rm -f"
177:
178: help="Try \`$progname --help' for more information."
179:
180: # Global variables:
1.3 frystyk 181: default_ofile=libtool
1.1 frystyk 182: can_build_shared=yes
183: enable_shared=yes
184: # All known linkers require a `.a' archive for static linking.
185: enable_static=yes
1.5 frystyk 186: enable_fast_install=yes
187: enable_dlopen=unknown
188: enable_win32_dll=no
1.1 frystyk 189: ltmain=
190: silent=
191: srcdir=
192: ac_config_guess=
193: ac_config_sub=
194: host=
195: nonopt=
1.3 frystyk 196: ofile="$default_ofile"
1.1 frystyk 197: verify_host=yes
198: with_gcc=no
199: with_gnu_ld=no
1.4 frystyk 200: need_locks=yes
1.5 frystyk 201: ac_ext=c
1.4 frystyk 202: objext=o
203: libext=a
1.5 frystyk 204: cache_file=
1.1 frystyk 205:
206: old_AR="$AR"
207: old_CC="$CC"
208: old_CFLAGS="$CFLAGS"
209: old_CPPFLAGS="$CPPFLAGS"
1.5 frystyk 210: old_LDFLAGS="$LDFLAGS"
1.1 frystyk 211: old_LD="$LD"
212: old_LN_S="$LN_S"
1.5 frystyk 213: old_LIBS="$LIBS"
1.2 frystyk 214: old_NM="$NM"
1.1 frystyk 215: old_RANLIB="$RANLIB"
1.4 frystyk 216: old_DLLTOOL="$DLLTOOL"
1.5 frystyk 217: old_OBJDUMP="$OBJDUMP"
1.4 frystyk 218: old_AS="$AS"
1.1 frystyk 219:
220: # Parse the command line options.
221: args=
222: prev=
223: for option
224: do
225: case "$option" in
226: -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
227: *) optarg= ;;
228: esac
229:
230: # If the previous option needs an argument, assign it.
231: if test -n "$prev"; then
232: eval "$prev=\$option"
233: prev=
234: continue
235: fi
236:
237: case "$option" in
238: --help) cat <<EOM
1.4 frystyk 239: Usage: $progname [OPTION]... [HOST [LTMAIN]]
1.1 frystyk 240:
241: Generate a system-specific libtool script.
242:
1.3 frystyk 243: --debug enable verbose shell tracing
1.1 frystyk 244: --disable-shared do not build shared libraries
245: --disable-static do not build static libraries
1.5 frystyk 246: --disable-fast-install do not optimize for fast installation
247: --enable-dlopen enable dlopen support
248: --enable-win32-dll enable building dlls on win32 hosts
1.1 frystyk 249: --help display this help and exit
250: --no-verify do not verify that HOST is a valid host type
1.3 frystyk 251: -o, --output=FILE specify the output file [default=$default_ofile]
1.1 frystyk 252: --quiet same as \`--silent'
1.2 frystyk 253: --silent do not print informational messages
1.1 frystyk 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
1.4 frystyk 258: --disable-lock disable file locking
1.5 frystyk 259: --cache-file=FILE configure cache file
1.1 frystyk 260:
1.4 frystyk 261: LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
262: that provides basic libtool functionality.
1.1 frystyk 263:
264: HOST is the canonical host system name [default=guessed].
265: EOM
266: exit 0
267: ;;
268:
1.3 frystyk 269: --debug)
270: echo "$progname: enabling shell trace mode"
271: set -x
272: ;;
273:
1.1 frystyk 274: --disable-shared) enable_shared=no ;;
275:
276: --disable-static) enable_static=no ;;
277:
1.5 frystyk 278: --disable-fast-install) enable_fast_install=no ;;
279:
280: --enable-dlopen) enable_dlopen=yes ;;
281:
282: --enable-win32-dll) enable_win32_dll=yes ;;
283:
1.1 frystyk 284: --quiet | --silent) silent=yes ;;
285:
286: --srcdir) prev=srcdir ;;
287: --srcdir=*) srcdir="$optarg" ;;
288:
289: --no-verify) verify_host=no ;;
290:
1.3 frystyk 291: --output | -o) prev=ofile ;;
292: --output=*) ofile="$optarg" ;;
293:
1.4 frystyk 294: --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
1.1 frystyk 295:
296: --with-gcc) with_gcc=yes ;;
297: --with-gnu-ld) with_gnu_ld=yes ;;
298:
1.4 frystyk 299: --disable-lock) need_locks=no ;;
300:
1.5 frystyk 301: --cache-file=*) cache_file="$optarg" ;;
302:
1.1 frystyk 303: -*)
304: echo "$progname: unrecognized option \`$option'" 1>&2
305: echo "$help" 1>&2
306: exit 1
307: ;;
308:
309: *)
310: if test -z "$ltmain"; then
311: ltmain="$option"
312: elif test -z "$host"; then
1.2 frystyk 313: # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
1.1 frystyk 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
325:
326: if test -z "$ltmain"; then
327: echo "$progname: you must specify a LTMAIN file" 1>&2
328: echo "$help" 1>&2
329: exit 1
330: fi
331:
1.3 frystyk 332: if test ! -f "$ltmain"; then
1.2 frystyk 333: echo "$progname: \`$ltmain' does not exist" 1>&2
334: echo "$help" 1>&2
335: exit 1
1.1 frystyk 336: fi
337:
338: # Quote any args containing shell metacharacters.
339: ltconfig_args=
340: for arg
341: do
342: case "$arg" in
343: *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
344: ltconfig_args="$ltconfig_args '$arg'" ;;
345: *) ltconfig_args="$ltconfig_args $arg" ;;
346: esac
347: done
348:
349: # A relevant subset of AC_INIT.
350:
351: # File descriptor usage:
352: # 0 standard input
353: # 1 file creation
354: # 2 errors and warnings
355: # 3 some systems may open it to /dev/tty
356: # 4 used on the Kubota Titan
357: # 5 compiler messages saved in config.log
358: # 6 checking for... messages and results
359: if test "$silent" = yes; then
360: exec 6>/dev/null
361: else
362: exec 6>&1
363: fi
364: exec 5>>./config.log
365:
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
372:
1.5 frystyk 373: if test -n "$cache_file" && test -r "$cache_file"; then
374: echo "loading cache $cache_file within ltconfig"
375: . $cache_file
376: fi
377:
1.1 frystyk 378: if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
379: # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
380: if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
381: ac_n= ac_c='
382: ' ac_t=' '
383: else
384: ac_n=-n ac_c= ac_t=
385: fi
386: else
387: ac_n= ac_c='\c' ac_t=
388: fi
389:
390: if test -z "$srcdir"; then
1.4 frystyk 391: # Assume the source directory is the same one as the path to LTMAIN.
1.5 frystyk 392: srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
1.1 frystyk 393: test "$srcdir" = "$ltmain" && srcdir=.
394: fi
395:
1.2 frystyk 396: trap "$rm conftest*; exit 1" 1 2 15
1.1 frystyk 397: if test "$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
404: fi
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
410: fi
411: ac_config_guess=$ac_aux_dir/config.guess
412: ac_config_sub=$ac_aux_dir/config.sub
413:
414: # Make sure we can run config.sub.
1.3 frystyk 415: if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
1.1 frystyk 416: else
417: echo "$progname: cannot run $ac_config_sub" 1>&2
418: echo "$help" 1>&2
419: exit 1
420: fi
421:
422: echo $ac_n "checking host system type""... $ac_c" 1>&6
423:
424: host_alias=$host
425: case "$host_alias" in
426: "")
1.3 frystyk 427: if host_alias=`$SHELL $ac_config_guess`; then :
1.1 frystyk 428: else
429: echo "$progname: cannot guess host type; you must specify one" 1>&2
430: echo "$help" 1>&2
431: exit 1
432: fi ;;
433: esac
1.3 frystyk 434: host=`$SHELL $ac_config_sub $host_alias`
1.2 frystyk 435: echo "$ac_t$host" 1>&6
436:
437: # Make sure the host verified.
438: test -z "$host" && exit 1
1.1 frystyk 439:
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
446: fi
447:
1.2 frystyk 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/'`
1.1 frystyk 452: esac
453:
454: host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
455: host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
456: host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
457:
1.2 frystyk 458: case "$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 "${COLLECT_NAMES+set}" != set; then
464: COLLECT_NAMES=
465: export COLLECT_NAMES
466: fi
467: ;;
468: esac
469:
1.1 frystyk 470: # Determine commands to create old-style static archives.
471: old_archive_cmds='$AR cru $oldlib$oldobjs'
472: old_postinstall_cmds='chmod 644 $oldlib'
1.2 frystyk 473: old_postuninstall_cmds=
474:
475: # Set a sane default for `AR'.
476: test -z "$AR" && AR=ar
1.1 frystyk 477:
1.5 frystyk 478: # Set a sane default for `OBJDUMP'.
479: test -z "$OBJDUMP" && OBJDUMP=objdump
480:
1.1 frystyk 481: # If RANLIB is not set, then run the test.
482: if test "${RANLIB+set}" != "set"; then
483: result=no
484:
485: echo $ac_n "checking for ranlib... $ac_c" 1>&6
1.4 frystyk 486: IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1.1 frystyk 487: for dir in $PATH; do
488: test -z "$dir" && dir=.
1.5 frystyk 489: if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
1.1 frystyk 490: RANLIB="ranlib"
491: result="ranlib"
492: break
493: fi
494: done
495: IFS="$save_ifs"
496:
1.2 frystyk 497: echo "$ac_t$result" 1>&6
1.1 frystyk 498: fi
499:
500: if test -n "$RANLIB"; then
1.4 frystyk 501: old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
502: old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
1.1 frystyk 503: fi
504:
1.5 frystyk 505: # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
1.4 frystyk 506: test -z "$DLLTOOL" && DLLTOOL=dlltool
1.5 frystyk 507: test -z "$OBJDUMP" && OBJDUMP=objdump
1.4 frystyk 508: test -z "$AS" && AS=as
509:
1.1 frystyk 510: # Check to see if we are using GCC.
511: if test "$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... $ac_c" 1>&6
1.4 frystyk 515: IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1.1 frystyk 516: for dir in $PATH; do
517: test -z "$dir" && dir=.
1.5 frystyk 518: if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
1.1 frystyk 519: CC="gcc"
520: break
521: fi
522: done
523: IFS="$save_ifs"
524:
525: if test -n "$CC"; then
1.2 frystyk 526: echo "$ac_t$CC" 1>&6
1.1 frystyk 527: else
1.2 frystyk 528: echo "$ac_t"no 1>&6
1.1 frystyk 529: fi
530: fi
531:
532: # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
533: if test -z "$CC"; then
534: echo $ac_n "checking for cc... $ac_c" 1>&6
1.4 frystyk 535: IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1.1 frystyk 536: cc_rejected=no
537: for dir in $PATH; do
538: test -z "$dir" && dir=.
1.5 frystyk 539: if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
1.1 frystyk 540: if test "$dir/cc" = "/usr/ucb/cc"; then
541: cc_rejected=yes
542: continue
543: fi
544: CC="cc"
545: break
546: fi
547: done
548: IFS="$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" "$@"
559: shift
560: CC="$@"
561: fi
562: fi
563:
564: if test -n "$CC"; then
1.2 frystyk 565: echo "$ac_t$CC" 1>&6
1.1 frystyk 566: else
1.2 frystyk 567: echo "$ac_t"no 1>&6
1.1 frystyk 568: fi
569:
570: if test -z "$CC"; then
571: echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
572: exit 1
573: fi
574: fi
575:
576: # Now see if the compiler is really GCC.
577: with_gcc=no
578: echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
1.5 frystyk 579: echo "$progname:579: checking whether we are using GNU C" >&5
1.1 frystyk 580:
581: $rm conftest.c
582: cat > conftest.c <<EOF
583: #ifdef __GNUC__
584: yes;
585: #endif
586: EOF
1.5 frystyk 587: if { ac_try='${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
1.1 frystyk 588: with_gcc=yes
589: fi
590: $rm conftest.c
1.2 frystyk 591: echo "$ac_t$with_gcc" 1>&6
1.1 frystyk 592: fi
593:
594: # Allow CC to be a program name with arguments.
595: set dummy $CC
596: compiler="$2"
597:
1.4 frystyk 598: echo $ac_n "checking for object suffix... $ac_c" 1>&6
599: $rm conftest*
600: echo 'int i = 1;' > conftest.c
1.5 frystyk 601: echo "$progname:601: checking for object suffix" >& 5
602: if { (eval echo $progname:602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
1.4 frystyk 603: # Append any warnings to the config.log.
604: cat conftest.err 1>&5
605:
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
616: fi
617: $rm conftest*
618: echo "$ac_t$objext" 1>&6
619:
1.1 frystyk 620: echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
621: pic_flag=
622: special_shlib_compile_flags=
623: wl=
624: link_static_flag=
1.2 frystyk 625: no_builtin_flag=
1.1 frystyk 626:
627: if test "$with_gcc" = yes; then
628: wl='-Wl,'
629: link_static_flag='-static'
1.2 frystyk 630:
631: case "$host_os" in
1.4 frystyk 632: beos* | irix5* | irix6* | osf3* | osf4*)
1.2 frystyk 633: # PIC is the default for these OSes.
634: ;;
1.4 frystyk 635: aix*)
636: # Below there is a dirty hack to force normal static linking with -ldl
637: # The problem is because libdl dynamically linked with both libc and
638: # libC (AIX C++ library), which obviously doesn't included in libraries
639: # list by gcc. This cause undefined symbols with -static flags.
640: # This hack allows C programs to be linked with "-static -ldl", but
641: # we not sure about C++ programs.
642: link_static_flag="$link_static_flag ${wl}-lC"
643: ;;
1.5 frystyk 644: cygwin* | mingw* | os2*)
1.2 frystyk 645: # We can build DLLs from non-PIC.
646: ;;
647: amigaos*)
648: # FIXME: we need at least 68020 code to build shared libraries, but
649: # adding the `-m68020' flag to GCC prevents building anything better,
650: # like `-m68040'.
651: pic_flag='-m68020 -resident32 -malways-restore-a4'
652: ;;
1.6 ! frystyk 653: sysv4*MP*)
! 654: if test -d /usr/nec; then
! 655: pic_flag=-Kconform_pic
! 656: fi
! 657: ;;
1.2 frystyk 658: *)
659: pic_flag='-fPIC'
660: ;;
661: esac
1.1 frystyk 662: else
663: # PORTME Check for PIC flags for the system compiler.
664: case "$host_os" in
665: aix3* | aix4*)
1.2 frystyk 666: # All AIX code is PIC.
1.1 frystyk 667: link_static_flag='-bnso -bI:/lib/syscalls.exp'
668: ;;
669:
1.3 frystyk 670: hpux9* | hpux10* | hpux11*)
1.2 frystyk 671: # Is there a better link_static_flag that works with the bundled CC?
1.1 frystyk 672: wl='-Wl,'
1.2 frystyk 673: link_static_flag="${wl}-a ${wl}archive"
1.1 frystyk 674: pic_flag='+Z'
675: ;;
676:
677: irix5* | irix6*)
678: wl='-Wl,'
679: link_static_flag='-non_shared'
680: # PIC (with -KPIC) is the default.
1.2 frystyk 681: ;;
682:
1.5 frystyk 683: cygwin* | mingw* | os2*)
1.2 frystyk 684: # We can build DLLs from non-PIC.
1.1 frystyk 685: ;;
686:
687: osf3* | osf4*)
1.2 frystyk 688: # All OSF/1 code is PIC.
1.1 frystyk 689: wl='-Wl,'
690: link_static_flag='-non_shared'
691: ;;
692:
693: sco3.2v5*)
694: pic_flag='-Kpic'
695: link_static_flag='-dn'
696: special_shlib_compile_flags='-belf'
697: ;;
698:
1.4 frystyk 699: solaris*)
1.1 frystyk 700: pic_flag='-KPIC'
701: link_static_flag='-Bstatic'
702: wl='-Wl,'
703: ;;
704:
705: sunos4*)
706: pic_flag='-PIC'
707: link_static_flag='-Bstatic'
708: wl='-Qoption ld '
709: ;;
710:
1.5 frystyk 711: sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
1.2 frystyk 712: pic_flag='-KPIC'
713: link_static_flag='-Bstatic'
714: wl='-Wl,'
715: ;;
716:
717: uts4*)
718: pic_flag='-pic'
719: link_static_flag='-Bstatic'
720: ;;
1.6 ! frystyk 721: sysv4*MP*)
! 722: if test -d /usr/nec ;then
! 723: pic_flag='-Kconform_pic'
! 724: link_static_flag='-Bstatic'
! 725: fi
! 726: ;;
1.1 frystyk 727: *)
728: can_build_shared=no
729: ;;
730: esac
731: fi
732:
1.2 frystyk 733: if test -n "$pic_flag"; then
734: echo "$ac_t$pic_flag" 1>&6
1.1 frystyk 735:
1.2 frystyk 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: $rm conftest*
1.3 frystyk 739: echo "int some_variable = 0;" > conftest.c
1.2 frystyk 740: save_CFLAGS="$CFLAGS"
741: CFLAGS="$CFLAGS $pic_flag -DPIC"
1.6 ! frystyk 742: echo "$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
1.3 frystyk 744: # Append any warnings to the config.log.
1.2 frystyk 745: cat conftest.err 1>&5
1.4 frystyk 746:
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=" $pic_flag"
759: fi
760: ;;
761: *)
762: echo "$ac_t"yes 1>&6
763: pic_flag=" $pic_flag"
764: ;;
765: esac
766: else
767: # Append any errors to the config.log.
768: cat conftest.err 1>&5
769: can_build_shared=no
770: pic_flag=
771: echo "$ac_t"no 1>&6
772: fi
773: CFLAGS="$save_CFLAGS"
774: $rm conftest*
775: else
776: echo "$ac_t"none 1>&6
777: fi
1.2 frystyk 778:
1.4 frystyk 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
1.5 frystyk 781: $rm -r conftest 2>/dev/null
782: mkdir conftest
783: cd conftest
1.4 frystyk 784: $rm conftest*
785: echo "int some_variable = 0;" > conftest.c
1.5 frystyk 786: mkdir out
787: # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
788: # that will create temporary files in the current directory regardless of
789: # the output directory. Thus, making CWD read-only will cause this test
790: # to fail, enabling locking or at least warning the user not to do parallel
791: # builds.
792: chmod -w .
1.4 frystyk 793: save_CFLAGS="$CFLAGS"
1.5 frystyk 794: CFLAGS="$CFLAGS -o out/conftest2.o"
1.6 ! frystyk 795: echo "$progname:795: checking if $compiler supports -c -o file.o" >&5
! 796: if { (eval echo $progname:796: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
1.4 frystyk 797:
798: # The compiler can only warn and ignore the option if not recognized
799: # So say no if there are warnings
1.5 frystyk 800: if test -s out/conftest.err; then
1.2 frystyk 801: echo "$ac_t"no 1>&6
1.4 frystyk 802: compiler_c_o=no
1.2 frystyk 803: else
804: echo "$ac_t"yes 1>&6
1.4 frystyk 805: compiler_c_o=yes
1.2 frystyk 806: fi
1.4 frystyk 807: else
808: # Append any errors to the config.log.
1.5 frystyk 809: cat out/conftest.err 1>&5
1.4 frystyk 810: compiler_c_o=no
811: echo "$ac_t"no 1>&6
812: fi
813: CFLAGS="$save_CFLAGS"
1.5 frystyk 814: chmod u+w .
815: $rm conftest* out/*
816: rmdir out
817: cd ..
818: rmdir conftest
819: $rm -r conftest 2>/dev/null
1.4 frystyk 820:
821: if test x"$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="$CFLAGS -c -o conftest.lo"
1.6 ! frystyk 828: echo "$progname:828: checking if $compiler supports -c -o file.lo" >&5
! 829: if { (eval echo $progname:829: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
1.4 frystyk 830:
831: # The compiler can only warn and ignore the option if not recognized
832: # So say no if there are warnings
833: if test -s conftest.err; then
834: echo "$ac_t"no 1>&6
835: compiler_o_lo=no
836: else
837: echo "$ac_t"yes 1>&6
838: compiler_o_lo=yes
839: fi
1.2 frystyk 840: else
841: # Append any errors to the config.log.
842: cat conftest.err 1>&5
1.4 frystyk 843: compiler_o_lo=no
1.2 frystyk 844: echo "$ac_t"no 1>&6
845: fi
846: CFLAGS="$save_CFLAGS"
847: $rm conftest*
1.1 frystyk 848: else
1.4 frystyk 849: compiler_o_lo=no
850: fi
851:
852: # Check to see if we can do hard links to lock some files if needed
853: hard_links="nottested"
854: if test "$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: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
867: need_locks=warn
868: fi
869: else
870: need_locks=no
871: fi
872:
873: if test "$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="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
1.6 ! frystyk 880: echo "$progname:880: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
! 881: if { (eval echo $progname:881: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
1.4 frystyk 882:
883: # The compiler can only warn and ignore the option if not recognized
884: # So say no if there are warnings
885: if test -s conftest.err; then
886: echo "$ac_t"no 1>&6
887: compiler_rtti_exceptions=no
888: else
889: echo "$ac_t"yes 1>&6
890: compiler_rtti_exceptions=yes
891: fi
892: else
893: # Append any errors to the config.log.
894: cat conftest.err 1>&5
895: compiler_rtti_exceptions=no
896: echo "$ac_t"no 1>&6
897: fi
898: CFLAGS="$save_CFLAGS"
899: $rm conftest*
900:
901: if test "$compiler_rtti_exceptions" = "yes"; then
902: no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
903: else
904: no_builtin_flag=' -fno-builtin'
905: fi
906:
1.1 frystyk 907: fi
908:
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
916: fi
917: fi
918:
1.2 frystyk 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 $link_static_flag"
1.6 ! frystyk 924: echo "$progname:924: checking if $compiler static flag $link_static_flag works" >&5
! 925: if { (eval echo $progname:925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1.2 frystyk 926: echo "$ac_t$link_static_flag" 1>&6
1.1 frystyk 927: else
1.2 frystyk 928: echo "$ac_t"none 1>&6
929: link_static_flag=
1.1 frystyk 930: fi
1.2 frystyk 931: LDFLAGS="$save_LDFLAGS"
932: $rm conftest*
1.1 frystyk 933:
934: if test -z "$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
1.5 frystyk 937: $rm conftest.dat
938: if ln -s X conftest.dat 2>/dev/null; then
939: $rm conftest.dat
1.1 frystyk 940: LN_S="ln -s"
941: else
942: LN_S=ln
943: fi
944: if test "$LN_S" = "ln -s"; then
945: echo "$ac_t"yes 1>&6
946: else
947: echo "$ac_t"no 1>&6
948: fi
949: fi
950:
1.2 frystyk 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... $ac_c" 1>&6
1.6 ! frystyk 957: echo "$progname:957: checking for ld used by GCC" >&5
1.2 frystyk 958: ac_prog=`($CC -print-prog-name=ld) 2>&5`
959: case "$ac_prog" in
960: # Accept absolute paths.
1.5 frystyk 961: [\\/]* | [A-Za-z]:[\\/]*)
1.4 frystyk 962: re_direlt='/[^/][^/]*/\.\./'
963: # Canonicalize the path of ld
1.5 frystyk 964: ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
1.4 frystyk 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
1.5 frystyk 968: test -z "$LD" && LD="$ac_prog"
1.2 frystyk 969: ;;
970: "")
971: # If it fails, then pretend we are not using GCC.
972: ac_prog=ld
973: ;;
974: *)
975: # If it is relative, then search for the first ld in PATH.
976: with_gnu_ld=unknown
977: ;;
978: esac
979: elif test "$with_gnu_ld" = yes; then
980: echo $ac_n "checking for GNU ld... $ac_c" 1>&6
1.6 ! frystyk 981: echo "$progname:981: checking for GNU ld" >&5
1.2 frystyk 982: else
983: echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
1.6 ! frystyk 984: echo "$progname:984: checking for non-GNU ld" >&5
1.2 frystyk 985: fi
986:
1.1 frystyk 987: if test -z "$LD"; then
1.4 frystyk 988: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1.1 frystyk 989: for ac_dir in $PATH; do
990: test -z "$ac_dir" && ac_dir=.
1.5 frystyk 991: if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
1.2 frystyk 992: LD="$ac_dir/$ac_prog"
1.1 frystyk 993: # Check to see if the program is GNU ld. I'd rather use --version,
994: # but apparently some GNU ld's only accept -v.
995: # Break only if it was the GNU/non-GNU ld that we prefer.
1.2 frystyk 996: if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
997: test "$with_gnu_ld" != no && break
1.1 frystyk 998: else
999: test "$with_gnu_ld" != yes && break
1000: fi
1001: fi
1002: done
1003: IFS="$ac_save_ifs"
1.2 frystyk 1004: fi
1.1 frystyk 1005:
1.2 frystyk 1006: if test -n "$LD"; then
1007: echo "$ac_t$LD" 1>&6
1008: else
1009: echo "$ac_t"no 1>&6
1010: fi
1.1 frystyk 1011:
1.2 frystyk 1012: if test -z "$LD"; then
1013: echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
1014: exit 1
1.1 frystyk 1015: fi
1.2 frystyk 1016: fi
1.1 frystyk 1017:
1.2 frystyk 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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1022: with_gnu_ld=yes
1023: else
1024: with_gnu_ld=no
1.1 frystyk 1025: fi
1.2 frystyk 1026: echo "$ac_t$with_gnu_ld" 1>&6
1.1 frystyk 1027:
1028: # See if the linker supports building shared libraries.
1029: echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1030:
1031: allow_undefined_flag=
1.2 frystyk 1032: no_undefined_flag=
1.4 frystyk 1033: need_lib_prefix=unknown
1034: need_version=unknown
1.5 frystyk 1035: # when you set need_version to no, make sure it does not cause -set_version
1036: # flags to be left without arguments
1.1 frystyk 1037: archive_cmds=
1.5 frystyk 1038: archive_expsym_cmds=
1.2 frystyk 1039: old_archive_from_new_cmds=
1040: export_dynamic_flag_spec=
1.3 frystyk 1041: whole_archive_flag_spec=
1.5 frystyk 1042: thread_safe_flag_spec=
1.1 frystyk 1043: hardcode_libdir_flag_spec=
1044: hardcode_libdir_separator=
1045: hardcode_direct=no
1046: hardcode_minus_L=no
1047: hardcode_shlibpath_var=unsupported
1048: runpath_var=
1.5 frystyk 1049: always_export_symbols=no
1050: export_symbols_cmds='$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.
1.1 frystyk 1064:
1.4 frystyk 1065: case "$host_os" in
1.5 frystyk 1066: cygwin* | mingw*)
1067: # FIXME: the MSVC++ port hasn't been tested in a loooong time
1068: # When not using gcc, we currently assume that we are using
1069: # Microsoft Visual C++.
1070: if test "$with_gcc" != yes; then
1071: with_gnu_ld=no
1072: fi
1.4 frystyk 1073: ;;
1.5 frystyk 1074:
1.4 frystyk 1075: esac
1076:
1.1 frystyk 1077: ld_shlibs=yes
1.3 frystyk 1078: if test "$with_gnu_ld" = yes; then
1.4 frystyk 1079: # If archive_cmds runs LD, not CC, wlarc should be empty
1080: wlarc='${wl}'
1.2 frystyk 1081:
1.1 frystyk 1082: # See if GNU ld supports shared libraries.
1.3 frystyk 1083: case "$host_os" in
1.5 frystyk 1084: aix3* | aix4*)
1085: # On AIX, the GNU linker is very broken
1086: ld_shlibs=no
1087: cat <<EOF 1>&2
1088:
1089: *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1090: *** to be unable to reliably create shared libraries on AIX.
1091: *** Therefore, libtool is disabling shared libraries support. If you
1092: *** really care for shared libraries, you may want to modify your PATH
1093: *** so that a non-GNU linker is found, and then restart.
1094:
1095: EOF
1096: ;;
1097:
1.3 frystyk 1098: amigaos*)
1.4 frystyk 1099: archive_cmds='$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 $objdir && a2ixlibrary -32)'
1.3 frystyk 1100: hardcode_libdir_flag_spec='-L$libdir'
1101: hardcode_minus_L=yes
1102:
1.5 frystyk 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
1.3 frystyk 1110: ;;
1111:
1.4 frystyk 1112: beos*)
1113: if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1.5 frystyk 1114: allow_undefined_flag=unsupported
1115: # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1116: # support --undefined. This deserves some investigation. FIXME
1117: archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1.4 frystyk 1118: else
1119: ld_shlibs=no
1120: fi
1121: ;;
1122:
1.5 frystyk 1123: cygwin* | mingw*)
1124: # hardcode_libdir_flag_spec is actually meaningless, as there is
1125: # no search path for DLLs.
1126: hardcode_libdir_flag_spec='-L$libdir'
1127: allow_undefined_flag=unsupported
1128: always_export_symbols=yes
1.4 frystyk 1129:
1.5 frystyk 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~
1.4 frystyk 1135: (cd $objdir && $CC -c $soname-ltdll.c)~
1.5 frystyk 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'
1.4 frystyk 1138:
1.5 frystyk 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 $linkopts'
1.4 frystyk 1150:
1151: old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1.5 frystyk 1152: ;;
1153:
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
1.4 frystyk 1161: fi
1162: ;;
1163:
1.6 ! frystyk 1164: solaris*)
! 1165: if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
! 1166: ld_shlibs=no
! 1167: cat <<EOF 1>&2
! 1168:
! 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.
! 1175:
! 1176: EOF
! 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 $lib'
! 1180: else
! 1181: ld_shlibs=no
! 1182: fi
! 1183: ;;
! 1184:
1.5 frystyk 1185: sunos4*)
1186: archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
1187: wlarc=
1188: hardcode_direct=yes
1189: hardcode_shlibpath_var=no
1190: ;;
1191:
1.3 frystyk 1192: *)
1193: if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1.5 frystyk 1194: archive_cmds='$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 $lib'
1.3 frystyk 1196: else
1197: ld_shlibs=no
1198: fi
1199: ;;
1200: esac
1.1 frystyk 1201:
1202: if test "$ld_shlibs" = yes; then
1.3 frystyk 1203: runpath_var=LD_RUN_PATH
1.2 frystyk 1204: hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1205: export_dynamic_flag_spec='${wl}--export-dynamic'
1.6 ! frystyk 1206: case $host_os in
! 1207: cygwin* | mingw*)
! 1208: # dlltool doesn't understand --whole-archive et. al.
! 1209: whole_archive_flag_spec=
! 1210: ;;
! 1211: *)
! 1212: whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
! 1213: ;;
! 1214: esac
1.1 frystyk 1215: fi
1216: else
1217: # PORTME fill in a description of your system's linker (not GNU ld)
1218: case "$host_os" in
1219: aix3*)
1220: allow_undefined_flag=unsupported
1.5 frystyk 1221: always_export_symbols=yes
1222: archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1.1 frystyk 1223: # Note: this linker hardcodes the directories in LIBPATH if there
1224: # are no directories specified by -L.
1225: hardcode_minus_L=yes
1.2 frystyk 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
1230: fi
1.1 frystyk 1231: ;;
1232:
1233: aix4*)
1.5 frystyk 1234: hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1235: hardcode_libdir_separator=':'
1.4 frystyk 1236: if test "$with_gcc" = yes; then
1.5 frystyk 1237: collect2name=`${CC} -print-prog-name=collect2`
1238: if test -f "$collect2name" && \
1239: strings "$collect2name" | grep resolve_lib_name >/dev/null
1.4 frystyk 1240: then
1.5 frystyk 1241: # We have reworked collect2
1242: hardcode_direct=yes
1.4 frystyk 1243: else
1.5 frystyk 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$libdir'
1251: hardcode_libdir_separator=
1.4 frystyk 1252: fi
1.5 frystyk 1253: shared_flag='-shared'
1.4 frystyk 1254: else
1.5 frystyk 1255: shared_flag='${wl}-bM:SRE'
1.4 frystyk 1256: hardcode_direct=yes
1257: fi
1.5 frystyk 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 "$host_os" in aix4.[01]|aix4.[01].*)
1262: # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1263: always_export_symbols=yes ;;
1264: esac
1.4 frystyk 1265: ;;
1.1 frystyk 1266:
1.2 frystyk 1267: amigaos*)
1.4 frystyk 1268: archive_cmds='$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 $objdir && a2ixlibrary -32)'
1.2 frystyk 1269: hardcode_libdir_flag_spec='-L$libdir'
1270: hardcode_minus_L=yes
1.5 frystyk 1271: # see comment about different semantics on the GNU ld section
1272: ld_shlibs=no
1.2 frystyk 1273: ;;
1274:
1.5 frystyk 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 $srcfile`'
1.4 frystyk 1291: ;;
1292:
1293: freebsd1*)
1294: ld_shlibs=no
1295: ;;
1296:
1.1 frystyk 1297: # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1298: # support. Future versions do this automatically, but an explicit c++rt0.o
1.2 frystyk 1299: # does not break anything, and helps significantly (at the cost of a little
1.1 frystyk 1300: # extra space).
1301: freebsd2.2*)
1.5 frystyk 1302: archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1.2 frystyk 1303: hardcode_libdir_flag_spec='-R$libdir'
1.1 frystyk 1304: hardcode_direct=yes
1305: hardcode_shlibpath_var=no
1306: ;;
1307:
1.2 frystyk 1308: # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1.1 frystyk 1309: freebsd2*)
1.5 frystyk 1310: archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1.1 frystyk 1311: hardcode_direct=yes
1312: hardcode_minus_L=yes
1313: hardcode_shlibpath_var=no
1314: ;;
1315:
1.4 frystyk 1316: # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1317: freebsd*)
1.5 frystyk 1318: archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1.2 frystyk 1319: hardcode_libdir_flag_spec='-R$libdir'
1.1 frystyk 1320: hardcode_direct=yes
1321: hardcode_shlibpath_var=no
1322: ;;
1323:
1.5 frystyk 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 $linkopts' ;;
1328: esac
1.1 frystyk 1329: hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1.5 frystyk 1330: hardcode_libdir_separator=:
1.1 frystyk 1331: hardcode_direct=yes
1.5 frystyk 1332: hardcode_minus_L=yes # Not in the search PATH, but as the default
1333: # location of the library.
1.2 frystyk 1334: export_dynamic_flag_spec='${wl}-E'
1.1 frystyk 1335: ;;
1336:
1337: irix5* | irix6*)
1.3 frystyk 1338: if test "$with_gcc" = yes; then
1.5 frystyk 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 $lib'
1.3 frystyk 1340: else
1.5 frystyk 1341: archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1.3 frystyk 1342: fi
1.1 frystyk 1343: hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1.5 frystyk 1344: hardcode_libdir_separator=:
1.1 frystyk 1345: ;;
1346:
1.2 frystyk 1347: netbsd*)
1.4 frystyk 1348: if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1.5 frystyk 1349: archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
1.4 frystyk 1350: else
1.5 frystyk 1351: archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
1.4 frystyk 1352: fi
1353: hardcode_libdir_flag_spec='${wl}-R$libdir'
1.2 frystyk 1354: hardcode_direct=yes
1355: hardcode_shlibpath_var=no
1356: ;;
1357:
1358: openbsd*)
1.5 frystyk 1359: archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1.1 frystyk 1360: hardcode_libdir_flag_spec='-R$libdir'
1361: hardcode_direct=yes
1362: hardcode_shlibpath_var=no
1363: ;;
1364:
1.2 frystyk 1365: os2*)
1366: hardcode_libdir_flag_spec='-L$libdir'
1367: hardcode_minus_L=yes
1368: allow_undefined_flag=unsupported
1.5 frystyk 1369: archive_cmds='$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'
1.2 frystyk 1370: old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1371: ;;
1372:
1.1 frystyk 1373: osf3* | osf4*)
1.4 frystyk 1374: if test "$with_gcc" = yes; then
1375: allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1.5 frystyk 1376: archive_cmds='$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 $lib'
1.4 frystyk 1377: else
1378: allow_undefined_flag=' -expect_unresolved \*'
1.5 frystyk 1379: archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1.4 frystyk 1380: fi
1.1 frystyk 1381: hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1382: hardcode_libdir_separator=:
1383: ;;
1384:
1385: sco3.2v5*)
1.5 frystyk 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
1.1 frystyk 1390: ;;
1391:
1.4 frystyk 1392: solaris*)
1.2 frystyk 1393: no_undefined_flag=' -z text'
1.4 frystyk 1394: # $CC -shared without GNU ld will not create a library from C++
1395: # object files and a static libstdc++, better avoid it by now
1.5 frystyk 1396: archive_cmds='$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 $lib.exp'
1.1 frystyk 1399: hardcode_libdir_flag_spec='-R$libdir'
1400: hardcode_shlibpath_var=no
1.5 frystyk 1401: case "$host_os" in
1402: solaris2.[0-5] | solaris2.[0-5].*) ;;
1403: *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1.6 ! frystyk 1404: whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1.5 frystyk 1405: esac
1.1 frystyk 1406: ;;
1407:
1408: sunos4*)
1.5 frystyk 1409: archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1.1 frystyk 1410: hardcode_libdir_flag_spec='-L$libdir'
1411: hardcode_direct=yes
1412: hardcode_minus_L=yes
1413: hardcode_shlibpath_var=no
1414: ;;
1415:
1.5 frystyk 1416: sysv4)
1417: archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1418: runpath_var='LD_RUN_PATH'
1419: hardcode_shlibpath_var=no
1420: hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1421: ;;
1422:
1.4 frystyk 1423: sysv4.3*)
1.5 frystyk 1424: archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1.4 frystyk 1425: hardcode_shlibpath_var=no
1426: export_dynamic_flag_spec='-Bexport'
1427: ;;
1428:
1.2 frystyk 1429: uts4*)
1.5 frystyk 1430: archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1.4 frystyk 1431: hardcode_libdir_flag_spec='-L$libdir'
1432: hardcode_shlibpath_var=no
1433: ;;
1434:
1435: dgux*)
1.5 frystyk 1436: archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1.2 frystyk 1437: hardcode_libdir_flag_spec='-L$libdir'
1438: hardcode_shlibpath_var=no
1439: ;;
1440:
1.6 ! frystyk 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$deplibs'
! 1445: hardcode_shlibpath_var=no
! 1446: runpath_var=LD_RUN_PATH
! 1447: hardcode_runpath_var=yes
! 1448: ld_shlibs=yes
! 1449: fi
! 1450: ;;
! 1451:
1.1 frystyk 1452: *)
1453: ld_shlibs=no
1454: ;;
1455: esac
1456: fi
1.2 frystyk 1457: echo "$ac_t$ld_shlibs" 1>&6
1.5 frystyk 1458: test "$ld_shlibs" = no && can_build_shared=no
1.2 frystyk 1459:
1460: if test -z "$NM"; then
1461: echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1462: case "$NM" in
1.5 frystyk 1463: [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1.2 frystyk 1464: *)
1.4 frystyk 1465: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1466: for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1.2 frystyk 1467: test -z "$ac_dir" && ac_dir=.
1.5 frystyk 1468: if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1.4 frystyk 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
1.2 frystyk 1478: else
1.4 frystyk 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
1.2 frystyk 1481: fi
1482: fi
1483: done
1484: IFS="$ac_save_ifs"
1485: test -z "$NM" && NM=nm
1486: ;;
1487: esac
1488: echo "$ac_t$NM" 1>&6
1489: fi
1490:
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
1493:
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?!! ;)]
1496:
1497: # Character class describing NM global symbol codes.
1.4 frystyk 1498: symcode='[BCDEGRST]'
1.2 frystyk 1499:
1500: # Regexp to match symbols that can be accessed directly from C.
1501: sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1502:
1503: # Transform the above into a raw symbol and a C symbol.
1.5 frystyk 1504: symxfrm='\1 \2\3 \3'
1505:
1506: # Transform an extracted symbol line into a proper C declaration
1507: global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1.2 frystyk 1508:
1509: # Define system-specific variables.
1510: case "$host_os" in
1511: aix*)
1.4 frystyk 1512: symcode='[BCDT]'
1513: ;;
1.5 frystyk 1514: cygwin* | mingw*)
1.4 frystyk 1515: symcode='[ABCDGISTW]'
1.2 frystyk 1516: ;;
1.5 frystyk 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'"
1519: ;;
1.2 frystyk 1520: irix*)
1521: symcode='[BCDEGRST]'
1522: ;;
1.4 frystyk 1523: solaris*)
1524: symcode='[BDT]'
1.2 frystyk 1525: ;;
1.5 frystyk 1526: sysv4)
1527: symcode='[DFNSTU]'
1528: ;;
1.2 frystyk 1529: esac
1530:
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
1.4 frystyk 1533: symcode='[ABCDGISTW]'
1.2 frystyk 1534: fi
1535:
1.4 frystyk 1536: # Try without a prefix undercore, then with it.
1537: for ac_symprfx in "" "_"; do
1538:
1539: # Write the raw and C identifiers.
1.5 frystyk 1540: global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1.2 frystyk 1541:
1.4 frystyk 1542: # Check to see that the pipe works correctly.
1543: pipe_works=no
1544: $rm conftest*
1545: cat > conftest.c <<EOF
1.2 frystyk 1546: #ifdef __cplusplus
1547: extern "C" {
1548: #endif
1549: char nm_test_var;
1550: void nm_test_func(){}
1551: #ifdef __cplusplus
1552: }
1553: #endif
1554: main(){nm_test_var='a';nm_test_func();return(0);}
1555: EOF
1556:
1.6 ! frystyk 1557: echo "$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
1.4 frystyk 1559: # Now try to grab the symbols.
1560: nlist=conftest.nm
1.6 ! frystyk 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
1.4 frystyk 1562:
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 "$nlist"T
1568: fi
1.2 frystyk 1569:
1.4 frystyk 1570: # Make sure that we snagged all the symbols we need.
1571: if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1572: if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1573: cat <<EOF > conftest.c
1.2 frystyk 1574: #ifdef __cplusplus
1575: extern "C" {
1576: #endif
1577:
1578: EOF
1.4 frystyk 1579: # Now generate the symbol file.
1.5 frystyk 1580: eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1.2 frystyk 1581:
1.4 frystyk 1582: cat <<EOF >> conftest.c
1.2 frystyk 1583: #if defined (__STDC__) && __STDC__
1.4 frystyk 1584: # define lt_ptr_t void *
1.2 frystyk 1585: #else
1.4 frystyk 1586: # define lt_ptr_t char *
1587: # define const
1.2 frystyk 1588: #endif
1589:
1590: /* The mapping between symbol names and symbols. */
1.4 frystyk 1591: const struct {
1592: const char *name;
1593: lt_ptr_t address;
1.2 frystyk 1594: }
1.4 frystyk 1595: lt_preloaded_symbols[] =
1.2 frystyk 1596: {
1597: EOF
1.5 frystyk 1598: sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1.4 frystyk 1599: cat <<\EOF >> conftest.c
1600: {0, (lt_ptr_t) 0}
1.2 frystyk 1601: };
1602:
1603: #ifdef __cplusplus
1604: }
1605: #endif
1606: EOF
1.4 frystyk 1607: # Now try linking the two files.
1.5 frystyk 1608: mv conftest.$objext conftstm.$objext
1.4 frystyk 1609: save_LIBS="$LIBS"
1610: save_CFLAGS="$CFLAGS"
1.5 frystyk 1611: LIBS="conftstm.$objext"
1.4 frystyk 1612: CFLAGS="$CFLAGS$no_builtin_flag"
1.6 ! frystyk 1613: if { (eval echo $progname:1613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1.4 frystyk 1614: pipe_works=yes
1615: else
1616: echo "$progname: failed program was:" >&5
1617: cat conftest.c >&5
1618: fi
1619: LIBS="$save_LIBS"
1620: else
1621: echo "cannot find nm_test_func in $nlist" >&5
1622: fi
1.2 frystyk 1623: else
1.4 frystyk 1624: echo "cannot find nm_test_var in $nlist" >&5
1.2 frystyk 1625: fi
1626: else
1.4 frystyk 1627: echo "cannot run $global_symbol_pipe" >&5
1.2 frystyk 1628: fi
1629: else
1.4 frystyk 1630: echo "$progname: failed program was:" >&5
1631: cat conftest.c >&5
1.2 frystyk 1632: fi
1.5 frystyk 1633: $rm conftest* conftst*
1.2 frystyk 1634:
1.4 frystyk 1635: # Do not use the global_symbol_pipe unless it works.
1636: if test "$pipe_works" = yes; then
1637: break
1638: else
1639: global_symbol_pipe=
1640: fi
1641: done
1.5 frystyk 1642: if test "$pipe_works" = yes; then
1643: echo "${ac_t}ok" 1>&6
1644: else
1645: echo "${ac_t}failed" 1>&6
1646: fi
1647:
1648: if test -z "$global_symbol_pipe"; then
1649: global_symbol_to_cdecl=
1650: fi
1.1 frystyk 1651:
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" || \
1.2 frystyk 1656: test -n "$runpath_var"; then
1.1 frystyk 1657:
1658: # We can hardcode non-existant directories.
1.5 frystyk 1659: if test "$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
1.1 frystyk 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
1670: fi
1.3 frystyk 1671: else
1672: # We cannot hardcode anything, or else we can only hardcode existing
1673: # directories.
1.1 frystyk 1674: hardcode_action=unsupported
1675: fi
1.2 frystyk 1676: echo "$ac_t$hardcode_action" 1>&6
1.1 frystyk 1677:
1678:
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... $ac_c" 1>&6
1.3 frystyk 1682: # PORTME Some linkers may need a different reload flag.
1.1 frystyk 1683: reload_flag='-r'
1.3 frystyk 1684: echo "$ac_t$reload_flag" 1>&6
1.1 frystyk 1685: test -n "$reload_flag" && reload_flag=" $reload_flag"
1686:
1687: # PORTME Fill in your ld.so characteristics
1688: library_names_spec=
1.2 frystyk 1689: libname_spec='lib$name'
1.1 frystyk 1690: soname_spec=
1691: postinstall_cmds=
1.2 frystyk 1692: postuninstall_cmds=
1.1 frystyk 1693: finish_cmds=
1.2 frystyk 1694: finish_eval=
1.1 frystyk 1695: shlibpath_var=
1.5 frystyk 1696: shlibpath_overrides_runpath=unknown
1.1 frystyk 1697: version_type=none
1698: dynamic_linker="$host_os ld.so"
1.5 frystyk 1699: sys_lib_dlsearch_path_spec="/lib /usr/lib"
1.4 frystyk 1700: sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1.5 frystyk 1701: file_magic_cmd=
1702: file_magic_test_file=
1.4 frystyk 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.
1.5 frystyk 1707: # `unknown' -- same as none, but documents that we really don't know.
1.4 frystyk 1708: # 'pass_all' -- all dependencies passed with no checks.
1709: # 'test_compile' -- check by making test program.
1.5 frystyk 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.
1.1 frystyk 1714: echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1715: case "$host_os" in
1.4 frystyk 1716: aix3*)
1.1 frystyk 1717: version_type=linux
1.3 frystyk 1718: library_names_spec='${libname}${release}.so$versuffix $libname.a'
1.1 frystyk 1719: shlibpath_var=LIBPATH
1720:
1721: # AIX has no versioning support, so we append a major version to the name.
1.3 frystyk 1722: soname_spec='${libname}${release}.so$major'
1.2 frystyk 1723: ;;
1724:
1.4 frystyk 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 $libname.a'
1733: shlibpath_var=LIBPATH
1734: deplibs_check_method=pass_all
1735: ;;
1736:
1.2 frystyk 1737: amigaos*)
1738: library_names_spec='$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 ${libname}_ixlibrary.a) || exit 1; done'
1.1 frystyk 1741: ;;
1742:
1.4 frystyk 1743: beos*)
1744: library_names_spec='${libname}.so'
1745: dynamic_linker="$host_os ld.so"
1746: shlibpath_var=LIBRARY_PATH
1.6 ! frystyk 1747: deplibs_check_method=pass_all
1.5 frystyk 1748: lt_cv_dlopen="load_add_on"
1749: lt_cv_dlopen_libs=
1750: lt_cv_dlopen_self=yes
1.4 frystyk 1751: ;;
1752:
1753: bsdi4*)
1754: version_type=linux
1755: library_names_spec='${libname}.so$major ${libname}.so'
1756: soname_spec='${libname}.so'
1.5 frystyk 1757: finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1.4 frystyk 1758: shlibpath_var=LD_LIBRARY_PATH
1.5 frystyk 1759: deplibs_check_method='file_magic ELF 32-bit LSB shared object'
1760: file_magic_cmd=/usr/bin/file
1761: file_magic_test_file=/shlib/libc.so
1762: sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1763: sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1764: # the default ld.so.conf also contains /usr/contrib/lib and
1765: # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1766: # libtool to hard-code these into programs
1.4 frystyk 1767: ;;
1768:
1.5 frystyk 1769: cygwin* | mingw*)
1.4 frystyk 1770: version_type=windows
1771: if test "$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 $libname.lib'
1775: fi
1776: dynamic_linker='Win32 ld.exe'
1.5 frystyk 1777: deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1778: file_magic_cmd='${OBJDUMP} -f'
1.4 frystyk 1779: need_lib_prefix=no
1780: # FIXME: first we should search . and the directory the executable is in
1781: shlibpath_var=PATH
1.5 frystyk 1782: lt_cv_dlopen="LoadLibrary"
1783: lt_cv_dlopen_libs=
1.4 frystyk 1784: ;;
1785:
1786: freebsd1*)
1787: dynamic_linker=no
1788: ;;
1789:
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'
1.5 frystyk 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 $libname.so'
1799: need_version=no
1800: need_lib_prefix=no
1.4 frystyk 1801: ;;
1802: freebsd-*)
1803: deplibs_check_method=unknown
1.5 frystyk 1804: library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1805: need_version=yes
1.4 frystyk 1806: ;;
1807: esac
1.5 frystyk 1808: finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1.1 frystyk 1809: shlibpath_var=LD_LIBRARY_PATH
1810: ;;
1811:
1812: gnu*)
1.3 frystyk 1813: version_type=linux
1814: library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1.1 frystyk 1815: shlibpath_var=LD_LIBRARY_PATH
1816: ;;
1817:
1.3 frystyk 1818: hpux9* | hpux10* | hpux11*)
1.1 frystyk 1819: # Give a soname corresponding to the major version so that dld.sl refuses to
1820: # link against other versions.
1821: dynamic_linker="$host_os dld.sl"
1822: version_type=sunos
1.5 frystyk 1823: need_lib_prefix=no
1824: need_version=no
1.1 frystyk 1825: shlibpath_var=SHLIB_PATH
1.5 frystyk 1826: shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1.3 frystyk 1827: library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1828: soname_spec='${libname}${release}.sl$major'
1.1 frystyk 1829: # HP-UX runs *really* slowly unless shared libraries are mode 555.
1830: postinstall_cmds='chmod 555 $lib'
1831: ;;
1832:
1.5 frystyk 1833: irix5* | irix6*)
1834: version_type=irix
1835: need_lib_prefix=no
1836: need_version=no
1837: soname_spec='${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"
1844: ;;
1845: *)
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 ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
1854: ;;
1855: esac
1856: shlibpath_var=LD_LIBRARY${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'
1.4 frystyk 1863: ;;
1864:
1.1 frystyk 1865: # No shared lib support for Linux oldld, aout, or coff.
1866: linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1867: dynamic_linker=no
1868: ;;
1869:
1870: # This must be Linux ELF.
1871: linux-gnu*)
1872: version_type=linux
1.4 frystyk 1873: need_lib_prefix=no
1874: need_version=no
1.3 frystyk 1875: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1876: soname_spec='${libname}${release}.so$major'
1.5 frystyk 1877: finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1.1 frystyk 1878: shlibpath_var=LD_LIBRARY_PATH
1.5 frystyk 1879: shlibpath_overrides_runpath=no
1880: deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1881: file_magic_cmd=/usr/bin/file
1882: file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1.1 frystyk 1883:
1884: if test -f /lib/ld.so.1; then
1885: dynamic_linker='GNU ld.so'
1886: else
1887: # Only the GNU ld.so supports shared libraries on MkLinux.
1888: case "$host_cpu" in
1889: powerpc*) dynamic_linker=no ;;
1890: *) dynamic_linker='Linux ld.so' ;;
1891: esac
1892: fi
1893: ;;
1894:
1.4 frystyk 1895: netbsd*)
1896: version_type=sunos
1897: if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1.5 frystyk 1898: library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1899: finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1.4 frystyk 1900: dynamic_linker='NetBSD (a.out) ld.so'
1901: else
1.5 frystyk 1902: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1.4 frystyk 1903: soname_spec='${libname}${release}.so$major'
1904: dynamic_linker='NetBSD ld.elf_so'
1905: fi
1906: shlibpath_var=LD_LIBRARY_PATH
1907: ;;
1908:
1909: openbsd*)
1.1 frystyk 1910: version_type=sunos
1.5 frystyk 1911: if test "$with_gnu_ld" = yes; then
1912: need_lib_prefix=no
1913: need_version=no
1914: fi
1915: library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1.3 frystyk 1916: finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1.1 frystyk 1917: shlibpath_var=LD_LIBRARY_PATH
1918: ;;
1919:
1.2 frystyk 1920: os2*)
1921: libname_spec='$name'
1.4 frystyk 1922: need_lib_prefix=no
1.2 frystyk 1923: library_names_spec='$libname.dll $libname.a'
1924: dynamic_linker='OS/2 ld.exe'
1925: shlibpath_var=LIBPATH
1926: ;;
1927:
1.1 frystyk 1928: osf3* | osf4*)
1929: version_type=osf
1.5 frystyk 1930: need_version=no
1.2 frystyk 1931: soname_spec='${libname}${release}.so'
1.4 frystyk 1932: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1.1 frystyk 1933: shlibpath_var=LD_LIBRARY_PATH
1.5 frystyk 1934: # this will be overridden with pass_all, but let us keep it just in case
1935: deplibs_check_method='file_magic COFF format alpha shared library'
1936: file_magic_cmd=/usr/bin/file
1937: file_magic_test_file=/shlib/libc.so
1.4 frystyk 1938: deplibs_check_method='pass_all'
1.5 frystyk 1939: sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1940: sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1.1 frystyk 1941: ;;
1942:
1943: sco3.2v5*)
1944: version_type=osf
1.3 frystyk 1945: soname_spec='${libname}${release}.so$major'
1946: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1.1 frystyk 1947: shlibpath_var=LD_LIBRARY_PATH
1948: ;;
1949:
1.4 frystyk 1950: solaris*)
1.1 frystyk 1951: version_type=linux
1.4 frystyk 1952: need_lib_prefix=no
1953: need_version=no
1.3 frystyk 1954: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1955: soname_spec='${libname}${release}.so$major'
1.1 frystyk 1956: shlibpath_var=LD_LIBRARY_PATH
1.5 frystyk 1957: shlibpath_overrides_runpath=yes
1.3 frystyk 1958: # ldd complains unless libraries are executable
1959: postinstall_cmds='chmod +x $lib'
1.4 frystyk 1960: deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
1.5 frystyk 1961: file_magic_cmd=/usr/bin/file
1962: file_magic_test_file=/lib/libc.so
1.1 frystyk 1963: ;;
1964:
1965: sunos4*)
1966: version_type=sunos
1.4 frystyk 1967: library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1.3 frystyk 1968: finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1.2 frystyk 1969: shlibpath_var=LD_LIBRARY_PATH
1.5 frystyk 1970: shlibpath_overrides_runpath=yes
1971: if test "$with_gnu_ld" = yes; then
1972: need_lib_prefix=no
1973: fi
1.4 frystyk 1974: need_version=yes
1.2 frystyk 1975: ;;
1976:
1.5 frystyk 1977: sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
1.2 frystyk 1978: version_type=linux
1.3 frystyk 1979: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1980: soname_spec='${libname}${release}.so$major'
1.2 frystyk 1981: shlibpath_var=LD_LIBRARY_PATH
1.4 frystyk 1982: case "$host_vendor" in
1983: ncr)
1984: deplibs_check_method='pass_all'
1985: ;;
1.5 frystyk 1986: motorola)
1987: need_lib_prefix=no
1988: need_version=no
1989: shlibpath_overrides_runpath=no
1990: sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
1991: deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
1992: file_magic_cmd=/usr/bin/file
1993: file_magic_test_file=`echo /usr/lib/libc.so*`
1994: ;;
1.4 frystyk 1995: esac
1.2 frystyk 1996: ;;
1997:
1998: uts4*)
1999: version_type=linux
1.5 frystyk 2000: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1.4 frystyk 2001: soname_spec='${libname}${release}.so$major'
2002: shlibpath_var=LD_LIBRARY_PATH
2003: ;;
2004:
2005: dgux*)
2006: version_type=linux
1.5 frystyk 2007: need_lib_prefix=no
2008: need_version=no
1.3 frystyk 2009: library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2010: soname_spec='${libname}${release}.so$major'
1.1 frystyk 2011: shlibpath_var=LD_LIBRARY_PATH
2012: ;;
2013:
1.6 ! frystyk 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.$major'
! 2019: shlibpath_var=LD_LIBRARY_PATH
! 2020: fi
! 2021: ;;
! 2022:
1.1 frystyk 2023: *)
2024: dynamic_linker=no
2025: ;;
2026: esac
1.4 frystyk 2027: echo "$ac_t$dynamic_linker" 1>&6
1.1 frystyk 2028: test "$dynamic_linker" = no && can_build_shared=no
2029:
1.2 frystyk 2030: # Report the final consequences.
1.1 frystyk 2031: echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
2032:
1.5 frystyk 2033: # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
2034: # configure.in, otherwise build static only libraries.
2035: case "$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... $can_build_shared" 1>&6
2040: fi
2041: ;;
2042: esac
2043:
2044: if test -n "$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
2050: :
2051: else
2052: cat <<EOF 1>&2
2053:
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
2062:
2063: EOF
2064: fi ;;
2065: esac
2066: fi
2067:
1.1 frystyk 2068: echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2069: test "$can_build_shared" = "no" && enable_shared=no
2070:
1.2 frystyk 2071: # On AIX, shared libraries and static libraries use the same namespace, and
2072: # are all built from PIC.
1.1 frystyk 2073: case "$host_os" in
1.4 frystyk 2074: aix3*)
1.1 frystyk 2075: test "$enable_shared" = yes && enable_static=no
2076: if test -n "$RANLIB"; then
1.4 frystyk 2077: archive_cmds="$archive_cmds~\$RANLIB \$lib"
1.1 frystyk 2078: postinstall_cmds='$RANLIB $lib'
2079: fi
2080: ;;
1.4 frystyk 2081:
2082: aix4*)
2083: test "$enable_shared" = yes && enable_static=no
2084: ;;
1.1 frystyk 2085: esac
2086:
1.2 frystyk 2087: echo "$ac_t$enable_shared" 1>&6
1.1 frystyk 2088:
2089: # Make sure either enable_shared or enable_static is yes.
2090: test "$enable_shared" = yes || enable_static=yes
2091:
2092: echo "checking whether to build static libraries... $enable_static" 1>&6
2093:
1.5 frystyk 2094: if test "$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
2101: fi
2102:
1.2 frystyk 2103: echo $ac_n "checking for objdir... $ac_c" 1>&6
2104: rm -f .libs 2>/dev/null
2105: mkdir .libs 2>/dev/null
2106: if test -d .libs; then
2107: objdir=.libs
2108: else
2109: # MS-DOS does not allow filenames that begin with a dot.
2110: objdir=_libs
2111: fi
2112: rmdir .libs 2>/dev/null
2113: echo "$ac_t$objdir" 1>&6
2114:
1.5 frystyk 2115: if test "x$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=
1.6 ! frystyk 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
1.5 frystyk 2126: echo $ac_n "(cached) $ac_c" 1>&6
2127: else
1.6 ! frystyk 2128: ac_save_LIBS="$LIBS"
! 2129: LIBS="-ldl $LIBS"
! 2130: cat > conftest.$ac_ext <<EOF
! 2131: #line 2131 "ltconfig"
1.5 frystyk 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();
2136:
2137: int main() {
1.6 ! frystyk 2138: dlopen()
1.5 frystyk 2139: ; return 0; }
2140: EOF
1.6 ! frystyk 2141: if { (eval echo $progname:2141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1.5 frystyk 2142: rm -rf conftest*
1.6 ! frystyk 2143: eval "ac_cv_lib_$ac_lib_var=yes"
1.5 frystyk 2144: else
2145: echo "$progname: failed program was:" >&5
2146: cat conftest.$ac_ext >&5
2147: rm -rf conftest*
1.6 ! frystyk 2148: eval "ac_cv_lib_$ac_lib_var=no"
1.5 frystyk 2149: fi
2150: rm -f conftest*
1.6 ! frystyk 2151: LIBS="$ac_save_LIBS"
! 2152:
1.5 frystyk 2153: fi
1.6 ! frystyk 2154: if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1.5 frystyk 2155: echo "$ac_t""yes" 1>&6
1.6 ! frystyk 2156: lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
1.5 frystyk 2157: else
2158: echo "$ac_t""no" 1>&6
1.6 ! frystyk 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
1.5 frystyk 2162: echo $ac_n "(cached) $ac_c" 1>&6
2163: else
1.6 ! frystyk 2164: cat > conftest.$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>
1.5 frystyk 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();
2173:
2174: int main() {
1.6 ! frystyk 2175:
! 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
! 2184:
1.5 frystyk 2185: ; return 0; }
2186: EOF
1.6 ! frystyk 2187: if { (eval echo $progname:2187: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1.5 frystyk 2188: rm -rf conftest*
1.6 ! frystyk 2189: eval "ac_cv_func_dlopen=yes"
1.5 frystyk 2190: else
2191: echo "$progname: failed program was:" >&5
2192: cat conftest.$ac_ext >&5
2193: rm -rf conftest*
1.6 ! frystyk 2194: eval "ac_cv_func_dlopen=no"
1.5 frystyk 2195: fi
2196: rm -f conftest*
2197: fi
1.6 ! frystyk 2198: if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
1.5 frystyk 2199: echo "$ac_t""yes" 1>&6
1.6 ! frystyk 2200: lt_cv_dlopen="dlopen"
1.5 frystyk 2201: else
2202: echo "$ac_t""no" 1>&6
2203: echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
1.6 ! frystyk 2204: echo "$progname:2204: checking for dld_link in -ldld" >&5
1.5 frystyk 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
1.6 ! frystyk 2212: #line 2212 "ltconfig"
1.5 frystyk 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();
2217:
2218: int main() {
2219: dld_link()
2220: ; return 0; }
2221: EOF
1.6 ! frystyk 2222: if { (eval echo $progname:2222: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1.5 frystyk 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"
2230: fi
2231: rm -f conftest*
2232: LIBS="$ac_save_LIBS"
2233:
2234: fi
2235: if eval "test \"`echo '$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""... $ac_c" 1>&6
1.6 ! frystyk 2241: echo "$progname:2241: checking for shl_load" >&5
1.5 frystyk 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
1.6 ! frystyk 2246: #line 2246 "ltconfig"
1.5 frystyk 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();
2254:
2255: int main() {
2256:
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
2265:
2266: ; return 0; }
2267: EOF
1.6 ! frystyk 2268: if { (eval echo $progname:2268: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1.5 frystyk 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"
2276: fi
2277: rm -f conftest*
2278: fi
2279:
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""... $ac_c" 1>&6
1.6 ! frystyk 2286: echo "$progname:2286: checking for shl_load in -ldld" >&5
1.5 frystyk 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
1.6 ! frystyk 2294: #line 2294 "ltconfig"
1.5 frystyk 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();
2300:
2301: int main() {
2302: shl_load()
2303: ; return 0; }
2304: EOF
1.6 ! frystyk 2305: if { (eval echo $progname:2305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1.5 frystyk 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"
2313: fi
2314: rm -f conftest*
2315: LIBS="$ac_save_LIBS"
2316:
2317: fi
2318: if eval "test \"`echo '$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 "$ac_t""no" 1>&6
2323: fi
2324:
2325:
2326: fi
2327:
2328:
2329: fi
2330:
2331:
2332: fi
2333:
2334:
2335: fi
2336:
2337: fi
2338:
2339: if test "x$lt_cv_dlopen" != xno; then
2340: enable_dlopen=yes
2341: fi
2342:
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""... $ac_c" 1>&6
1.6 ! frystyk 2348: echo "$progname:2348: checking for $ac_hdr" >&5
1.5 frystyk 2349: if eval "test \"`echo '$''{'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
1.6 ! frystyk 2353: #line 2353 "ltconfig"
1.5 frystyk 2354: #include <$ac_hdr>
2355: int fnord = 0;
2356: EOF
2357: ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
1.6 ! frystyk 2358: { (eval echo $progname:2358: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
1.5 frystyk 2359: ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${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"
2369: fi
2370: rm -f conftest*
2371: fi
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
2376: fi
2377: done
2378:
2379: if test "x$ac_cv_header_dlfcn_h" = xyes; then
2380: CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2381: fi
2382: eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2383: LIBS="$lt_cv_dlopen_libs $LIBS"
2384:
2385: echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
1.6 ! frystyk 2386: echo "$progname:2386: checking whether a program can dlopen itself" >&5
1.5 frystyk 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
1.6 ! frystyk 2394: #line 2394 "ltconfig"
1.5 frystyk 2395:
2396: #if HAVE_DLFCN_H
2397: #include <dlfcn.h>
2398: #endif
2399:
2400: #include <stdio.h>
2401:
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
2411:
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
2433:
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); }
2438:
2439: EOF
1.6 ! frystyk 2440: if { (eval echo $progname:2440: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
1.5 frystyk 2441: then
2442: lt_cv_dlopen_self=yes
2443: else
2444: echo "$progname: failed program was:" >&5
2445: cat conftest.$ac_ext >&5
2446: rm -fr conftest*
2447: lt_cv_dlopen_self=no
2448: fi
2449: rm -fr conftest*
2450: fi
2451:
2452: fi
2453:
2454: echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2455:
2456: if test "$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""... $ac_c" 1>&6
1.6 ! frystyk 2459: echo "$progname:2459: checking whether a statically linked program can dlopen itself" >&5
1.5 frystyk 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
1.6 ! frystyk 2467: #line 2467 "ltconfig"
1.5 frystyk 2468:
2469: #if HAVE_DLFCN_H
2470: #include <dlfcn.h>
2471: #endif
2472:
2473: #include <stdio.h>
2474:
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
2484:
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
2506:
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); }
2511:
2512: EOF
1.6 ! frystyk 2513: if { (eval echo $progname:2513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
1.5 frystyk 2514: then
2515: lt_cv_dlopen_self_static=yes
2516: else
2517: echo "$progname: failed program was:" >&5
2518: cat conftest.$ac_ext >&5
2519: rm -fr conftest*
2520: lt_cv_dlopen_self_static=no
2521: fi
2522: rm -fr conftest*
2523: fi
2524:
2525: fi
2526:
2527: echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2528: fi
2529: ;;
2530: esac
2531:
2532: case "$lt_cv_dlopen_self" in
2533: yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2534: *) enable_dlopen_self=unknown ;;
2535: esac
2536:
2537: case "$lt_cv_dlopen_self_static" in
2538: yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2539: *) enable_dlopen_self_static=unknown ;;
2540: esac
2541: fi
2542:
1.2 frystyk 2543: # Copy echo and quote the copy, instead of the original, because it is
2544: # used later.
2545: ltecho="$echo"
1.4 frystyk 2546: if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2547: ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2548: fi
2549: LTSHELL="$SHELL"
2550:
1.5 frystyk 2551: LTCONFIG_VERSION="$VERSION"
2552:
1.4 frystyk 2553: # Only quote variables if we're using ltmain.sh.
2554: case "$ltmain" in
2555: *.sh)
2556: # Now quote all the things that may contain metacharacters.
1.5 frystyk 2557: for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2558: old_LD old_LDFLAGS old_LIBS \
2559: old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2560: AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
1.4 frystyk 2561: reload_flag reload_cmds wl \
2562: pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
1.5 frystyk 2563: thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2564: library_names_spec soname_spec \
1.4 frystyk 2565: RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
1.5 frystyk 2566: old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2567: file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2568: finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2569: hardcode_libdir_flag_spec hardcode_libdir_separator \
2570: sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2571: compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
1.4 frystyk 2572:
2573: case "$var" in
2574: reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2575: old_postinstall_cmds | old_postuninstall_cmds | \
1.5 frystyk 2576: export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
1.4 frystyk 2577: postinstall_cmds | postuninstall_cmds | \
1.5 frystyk 2578: finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
1.4 frystyk 2579: # Double-quote double-evaled strings.
1.5 frystyk 2580: eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
1.4 frystyk 2581: ;;
2582: *)
2583: eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2584: ;;
2585: esac
2586: done
1.2 frystyk 2587:
1.4 frystyk 2588: case "$ltecho" in
2589: *'\$0 --fallback-echo"')
1.5 frystyk 2590: ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
1.2 frystyk 2591: ;;
2592: esac
2593:
1.4 frystyk 2594: trap "$rm \"$ofile\"; exit 1" 1 2 15
2595: echo "creating $ofile"
2596: $rm "$ofile"
2597: cat <<EOF > "$ofile"
1.3 frystyk 2598: #! $SHELL
1.1 frystyk 2599:
1.3 frystyk 2600: # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
1.4 frystyk 2601: # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
1.2 frystyk 2602: # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2603: #
1.4 frystyk 2604: # Copyright (C) 1996-1999 Free Software Foundation, Inc.
1.2 frystyk 2605: # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2606: #
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.
1.1 frystyk 2611: #
1.2 frystyk 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.
2616: #
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.
2620: #
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.
2625:
1.3 frystyk 2626: # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2627: Xsed="sed -e s/^X//"
2628:
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
2632:
2633: ### BEGIN LIBTOOL CONFIG
1.4 frystyk 2634: EOF
2635: cfgfile="$ofile"
2636: ;;
2637:
2638: *)
2639: # Double-quote the variables that need it (for aesthetics).
1.5 frystyk 2640: for var in old_CC old_CFLAGS old_CPPFLAGS \
2641: old_LD old_LDFLAGS old_LIBS \
2642: old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
1.4 frystyk 2643: eval "$var=\\\"\$var\\\""
2644: done
2645:
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)
2654: EOF
2655: ;;
2656: esac
2657:
2658: cat <<EOF >> "$cfgfile"
1.3 frystyk 2659: # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
1.1 frystyk 2660: #
1.4 frystyk 2661: # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
1.5 frystyk 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 \\
1.1 frystyk 2665: # $0$ltconfig_args
2666: #
2667: # Compiler and other test output produced by $progname, useful for
2668: # debugging $progname, is in ./config.log if it exists.
2669:
2670: # The version of $progname that generated this script.
1.5 frystyk 2671: LTCONFIG_VERSION=$LTCONFIG_VERSION
1.1 frystyk 2672:
1.2 frystyk 2673: # Shell to use when invoking shell scripts.
1.4 frystyk 2674: SHELL=$LTSHELL
1.2 frystyk 2675:
1.3 frystyk 2676: # Whether or not to build shared libraries.
1.1 frystyk 2677: build_libtool_libs=$enable_shared
2678:
1.3 frystyk 2679: # Whether or not to build static libraries.
1.1 frystyk 2680: build_old_libs=$enable_static
2681:
1.5 frystyk 2682: # Whether or not to optimize for fast installation.
2683: fast_install=$enable_fast_install
2684:
1.1 frystyk 2685: # The host system.
1.4 frystyk 2686: host_alias=$host_alias
2687: host=$host
1.1 frystyk 2688:
1.3 frystyk 2689: # An echo program that does not interpret backslashes.
1.4 frystyk 2690: echo=$ltecho
1.3 frystyk 2691:
1.1 frystyk 2692: # The archiver.
1.4 frystyk 2693: AR=$AR
1.2 frystyk 2694:
2695: # The default C compiler.
1.4 frystyk 2696: CC=$CC
1.1 frystyk 2697:
2698: # The linker used to build libraries.
1.4 frystyk 2699: LD=$LD
1.1 frystyk 2700:
2701: # Whether we need hard or soft links.
1.4 frystyk 2702: LN_S=$LN_S
1.2 frystyk 2703:
2704: # A BSD-compatible nm program.
1.4 frystyk 2705: NM=$NM
2706:
1.5 frystyk 2707: # Used on cygwin: DLL creation program.
1.4 frystyk 2708: DLLTOOL="$DLLTOOL"
2709:
1.5 frystyk 2710: # Used on cygwin: object dumper.
2711: OBJDUMP="$OBJDUMP"
2712:
2713: # Used on cygwin: assembler.
1.4 frystyk 2714: AS="$AS"
1.2 frystyk 2715:
2716: # The name of the directory that contains temporary libtool files.
1.4 frystyk 2717: objdir=$objdir
1.1 frystyk 2718:
2719: # How to create reloadable object files.
1.4 frystyk 2720: reload_flag=$reload_flag
2721: reload_cmds=$reload_cmds
1.1 frystyk 2722:
2723: # How to pass a linker flag through the compiler.
1.4 frystyk 2724: wl=$wl
2725:
2726: # Object file suffix (normally "o").
2727: objext="$objext"
2728:
2729: # Old archive suffix (normally "a").
2730: libext="$libext"
1.1 frystyk 2731:
2732: # Additional compiler flags for building library objects.
1.4 frystyk 2733: pic_flag=$pic_flag
2734:
1.5 frystyk 2735: # Does compiler simultaneously support -c and -o options?
1.4 frystyk 2736: compiler_c_o=$compiler_c_o
2737:
2738: # Can we write directly to a .lo ?
2739: compiler_o_lo=$compiler_o_lo
2740:
2741: # Must we lock files when doing compilation ?
2742: need_locks=$need_locks
2743:
2744: # Do we need the lib prefix for modules?
2745: need_lib_prefix=$need_lib_prefix
2746:
2747: # Do we need a version for libraries?
2748: need_version=$need_version
1.1 frystyk 2749:
1.5 frystyk 2750: # Whether dlopen is supported.
2751: dlopen=$enable_dlopen
2752:
2753: # Whether dlopen of programs is supported.
2754: dlopen_self=$enable_dlopen_self
2755:
2756: # Whether dlopen of statically linked programs is supported.
2757: dlopen_self_static=$enable_dlopen_self_static
2758:
1.1 frystyk 2759: # Compiler flag to prevent dynamic linking.
1.4 frystyk 2760: link_static_flag=$link_static_flag
1.2 frystyk 2761:
2762: # Compiler flag to turn off builtin functions.
1.4 frystyk 2763: no_builtin_flag=$no_builtin_flag
1.1 frystyk 2764:
2765: # Compiler flag to allow reflexive dlopens.
1.4 frystyk 2766: export_dynamic_flag_spec=$export_dynamic_flag_spec
1.1 frystyk 2767:
1.3 frystyk 2768: # Compiler flag to generate shared objects directly from archives.
1.4 frystyk 2769: whole_archive_flag_spec=$whole_archive_flag_spec
1.3 frystyk 2770:
1.5 frystyk 2771: # Compiler flag to generate thread-safe objects.
2772: thread_safe_flag_spec=$thread_safe_flag_spec
2773:
1.1 frystyk 2774: # Library versioning type.
2775: version_type=$version_type
2776:
1.2 frystyk 2777: # Format of library name prefix.
1.4 frystyk 2778: libname_spec=$libname_spec
1.2 frystyk 2779:
1.1 frystyk 2780: # List of archive names. First name is the real one, the rest are links.
2781: # The last name is the one that the linker finds with -lNAME.
1.4 frystyk 2782: library_names_spec=$library_names_spec
1.1 frystyk 2783:
2784: # The coded name of the library, if different from the real name.
1.4 frystyk 2785: soname_spec=$soname_spec
1.1 frystyk 2786:
2787: # Commands used to build and install an old-style archive.
1.4 frystyk 2788: RANLIB=$RANLIB
2789: old_archive_cmds=$old_archive_cmds
2790: old_postinstall_cmds=$old_postinstall_cmds
2791: old_postuninstall_cmds=$old_postuninstall_cmds
1.2 frystyk 2792:
2793: # Create an old-style archive from a shared archive.
1.4 frystyk 2794: old_archive_from_new_cmds=$old_archive_from_new_cmds
1.1 frystyk 2795:
2796: # Commands used to build and install a shared archive.
1.4 frystyk 2797: archive_cmds=$archive_cmds
1.5 frystyk 2798: archive_expsym_cmds=$archive_expsym_cmds
1.4 frystyk 2799: postinstall_cmds=$postinstall_cmds
2800: postuninstall_cmds=$postuninstall_cmds
2801:
2802: # Method to check whether dependent libraries are shared objects.
2803: deplibs_check_method=$deplibs_check_method
2804:
1.5 frystyk 2805: # Command to use when deplibs_check_method == file_magic.
2806: file_magic_cmd=$file_magic_cmd
1.1 frystyk 2807:
2808: # Flag that allows shared libraries with undefined symbols to be built.
1.4 frystyk 2809: allow_undefined_flag=$allow_undefined_flag
1.2 frystyk 2810:
2811: # Flag that forces no undefined symbols.
1.4 frystyk 2812: no_undefined_flag=$no_undefined_flag
1.1 frystyk 2813:
2814: # Commands used to finish a libtool library installation in a directory.
1.4 frystyk 2815: finish_cmds=$finish_cmds
1.2 frystyk 2816:
2817: # Same as above, but a single script fragment to be evaled but not shown.
1.4 frystyk 2818: finish_eval=$finish_eval
1.1 frystyk 2819:
1.2 frystyk 2820: # Take the output of nm and produce a listing of raw symbols and C names.
1.4 frystyk 2821: global_symbol_pipe=$global_symbol_pipe
1.1 frystyk 2822:
1.5 frystyk 2823: # Transform the output of nm in a proper C declaration
2824: global_symbol_to_cdecl=$global_symbol_to_cdecl
2825:
1.1 frystyk 2826: # This is the shared library runtime path variable.
2827: runpath_var=$runpath_var
2828:
2829: # This is the shared library path variable.
2830: shlibpath_var=$shlibpath_var
2831:
1.5 frystyk 2832: # Is shlibpath searched before the hard-coded library search path?
2833: shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2834:
1.1 frystyk 2835: # How to hardcode a shared library path into an executable.
2836: hardcode_action=$hardcode_action
2837:
2838: # Flag to hardcode \$libdir into a binary during linking.
2839: # This must work even if \$libdir does not exist.
1.4 frystyk 2840: hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
1.1 frystyk 2841:
2842: # Whether we need a single -rpath flag with a separated argument.
1.4 frystyk 2843: hardcode_libdir_separator=$hardcode_libdir_separator
1.1 frystyk 2844:
2845: # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2846: # resulting binary.
2847: hardcode_direct=$hardcode_direct
2848:
2849: # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2850: # resulting binary.
2851: hardcode_minus_L=$hardcode_minus_L
2852:
2853: # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2854: # the resulting binary.
2855: hardcode_shlibpath_var=$hardcode_shlibpath_var
1.4 frystyk 2856:
1.5 frystyk 2857: # Compile-time system search path for libraries
1.4 frystyk 2858: sys_lib_search_path_spec=$sys_lib_search_path_spec
2859:
1.5 frystyk 2860: # Run-time system search path for libraries
2861: sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2862:
1.4 frystyk 2863: # Fix the shell variable \$srcfile for the compiler.
2864: fix_srcfile_path="$fix_srcfile_path"
1.5 frystyk 2865:
2866: # Set to yes if exported symbols are required.
2867: always_export_symbols=$always_export_symbols
2868:
2869: # The commands to list exported symbols.
2870: export_symbols_cmds=$export_symbols_cmds
2871:
2872: # Symbols that should not be listed in the preloaded symbols.
2873: exclude_expsyms=$exclude_expsyms
2874:
2875: # Symbols that must always be exported.
2876: include_expsyms=$include_expsyms
2877:
1.1 frystyk 2878: EOF
2879:
1.4 frystyk 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 >> "$ofile"
1.3 frystyk 2887:
1.2 frystyk 2888: # AIX sometimes has problems with the GCC collect2 program. For some
2889: # reason, if we set the COLLECT_NAMES environment variable, the problems
2890: # vanish in a puff of smoke.
2891: if test "${COLLECT_NAMES+set}" != set; then
2892: COLLECT_NAMES=
2893: export COLLECT_NAMES
2894: fi
2895: EOF
1.4 frystyk 2896: ;;
2897: esac
1.1 frystyk 2898:
1.4 frystyk 2899: # Append the ltmain.sh script.
2900: cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
1.3 frystyk 2901:
1.4 frystyk 2902: chmod +x "$ofile"
2903: ;;
1.1 frystyk 2904:
1.4 frystyk 2905: *)
2906: # Compile the libtool program.
2907: echo "FIXME: would compile $ltmain"
2908: ;;
2909: esac
1.5 frystyk 2910:
2911: test -n "$cache_file" || exit 0
2912:
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.
2920: #
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.
2929: #
2930: EOF
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"
2944: ;;
2945: *)
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'
2948: ;;
2949: esac >> confcache
2950: if cmp -s $cache_file confcache; then
2951: :
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"
2958: fi
2959: fi
2960: rm -f confcache
2961:
1.1 frystyk 2962: exit 0
2963:
2964: # Local Variables:
2965: # mode:shell-script
2966: # sh-indentation:2
2967: # End:
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