2 # Output a system dependent set of variables, describing how to set the
3 # run time search path of shared libraries in an executable.
5 # Copyright 1996-2002 Free Software Foundation, Inc.
6 # Taken from GNU libtool, 2001
7 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful, but
15 # WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write to the Free Software
21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 # As a special exception to the GNU General Public License, if you
24 # distribute this file as part of a program that contains a
25 # configuration script generated by Autoconf, you may include it under
26 # the same distribution terms that you use for the rest of that program.
28 # The first argument passed to this file is the canonical host specification,
29 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
31 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
32 # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
33 # should be set by the caller.
35 # The set of defined variables is at the end of this script.
37 # All known linkers require a `.a' archive for static linking (except M$VC,
38 # which needs '.lib').
43 host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
44 host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
45 host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
48 if test "$GCC" = yes; then
52 aix3* | aix4* | aix5*)
55 hpux9* | hpux10* | hpux11*)
62 echo '__INTEL_COMPILER' > conftest.$ac_ext
63 if $CC -E conftest.$ac_ext >/dev/null | grep __INTEL_COMPILER >/dev/null
71 osf3* | osf4* | osf5*)
80 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
81 if test "x$host_vendor" = xsni; then
90 hardcode_libdir_flag_spec=
91 hardcode_libdir_separator=
96 cygwin* | mingw* | pw32*)
97 # FIXME: the MSVC++ port hasn't been tested in a loooong time
98 # When not using gcc, we currently assume that we are using
99 # Microsoft Visual C++.
100 if test "$GCC" != yes; then
110 if test "$with_gnu_ld" = yes; then
112 aix3* | aix4* | aix5*)
113 # On AIX, the GNU linker is very broken
117 hardcode_libdir_flag_spec='-L$libdir'
119 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
120 # that the semantics of dynamic libraries on AmigaOS, at least up
121 # to version 4, is to share data among multiple programs linked
122 # with the same dynamic library. Since this doesn't match the
123 # behavior of shared libraries on other platforms, we can use
128 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
134 cygwin* | mingw* | pw32*)
135 # hardcode_libdir_flag_spec is actually meaningless, as there is
136 # no search path for DLLs.
137 hardcode_libdir_flag_spec='-L$libdir'
140 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
142 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
152 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
159 if test "$ld_shlibs" = yes; then
160 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
165 # Note: this linker hardcodes the directories in LIBPATH if there
166 # are no directories specified by -L.
168 if test "$GCC" = yes; then
169 # Neither direct hardcoding nor static linking is supported with a
171 hardcode_direct=unsupported
175 if test "$host_cpu" = ia64; then
176 # On IA64, the linker does run time linking by default, so we don't
177 # have to do anything special.
178 aix_use_runtimelinking=no
180 aix_use_runtimelinking=no
181 # Test if we are trying to use run time linking or normal
182 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
183 # need to do runtime linking.
184 case $host_os in aix4.[23]|aix4.[23].*|aix5*)
185 for ld_flag in $LDFLAGS; do
186 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
187 aix_use_runtimelinking=yes
194 hardcode_libdir_separator=':'
195 if test "$GCC" = yes; then
196 case $host_os in aix4.[012]|aix4.[012].*)
197 collect2name=`${CC} -print-prog-name=collect2`
198 if test -f "$collect2name" && \
199 strings "$collect2name" | grep resolve_lib_name >/dev/null
201 # We have reworked collect2
204 # We have old collect2
205 hardcode_direct=unsupported
207 hardcode_libdir_flag_spec='-L$libdir'
208 hardcode_libdir_separator=
212 if test "$aix_use_runtimelinking" = yes; then
213 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
215 if test "$host_cpu" = ia64; then
216 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
218 hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib'
223 hardcode_libdir_flag_spec='-L$libdir'
225 # see comment about different semantics on the GNU ld section
228 cygwin* | mingw* | pw32*)
229 # When not using gcc, we currently assume that we are using
230 # Microsoft Visual C++.
231 # hardcode_libdir_flag_spec is actually meaningless, as there is
232 # no search path for DLLs.
233 hardcode_libdir_flag_spec=' '
243 hardcode_libdir_flag_spec='-R$libdir'
251 hardcode_libdir_flag_spec='-R$libdir'
254 hpux9* | hpux10* | hpux11*)
255 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
256 hardcode_libdir_separator=:
258 hardcode_minus_L=yes # Not in the search PATH, but as the default
259 # location of the library.
262 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
263 hardcode_libdir_separator=:
266 hardcode_libdir_flag_spec='-R$libdir'
271 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
272 hardcode_libdir_separator=:
276 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
277 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
280 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
281 hardcode_libdir_flag_spec='-R$libdir'
284 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
290 hardcode_libdir_flag_spec='-L$libdir'
294 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
295 hardcode_libdir_separator=:
298 if test "$GCC" = yes; then
299 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
301 # Both cc and cxx compiler support -rpath directly
302 hardcode_libdir_flag_spec='-rpath $libdir'
304 hardcode_libdir_separator=:
309 hardcode_libdir_flag_spec='-R$libdir'
312 hardcode_libdir_flag_spec='-L$libdir'
317 if test "x$host_vendor" = xsno; then
318 hardcode_direct=yes # is this really true???
320 hardcode_direct=no # Motorola manual says yes, but my tests say they lie
326 hardcode_libdir_flag_spec=
329 hardcode_libdir_flag_spec='-L$libdir'
332 hardcode_libdir_flag_spec='-L$libdir'
335 if test -d /usr/nec; then
343 sysv5uw7* | unixware7*)
351 # Check dynamic linker characteristics
352 libname_spec='lib$name'
353 sys_lib_dlsearch_path_spec="/lib /usr/lib"
354 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
370 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
371 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
373 cygwin* | mingw* | pw32*)
374 case $GCC,$host_os in
380 sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | sed -e "s/^libraries://" -e "s/;/ /g"`
401 hpux9* | hpux10* | hpux11*)
412 *-32|*"-32 ") libsuff= shlibsuff= ;;
413 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 ;;
414 *-64|*"-64 ") libsuff=64 shlibsuff=64 ;;
415 *) libsuff= shlibsuff= ;;
419 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
420 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
422 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
440 osf3* | osf4* | osf5*)
442 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
443 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
454 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
456 case "$host_vendor" in
458 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
469 if test -d /usr/nec; then
475 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
476 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
477 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
478 escaped_sys_lib_search_path_spec=`echo "X$sys_lib_search_path_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
479 escaped_sys_lib_dlsearch_path_spec=`echo "X$sys_lib_dlsearch_path_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
481 sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
483 # How to pass a linker flag through the compiler.
486 # Static library suffix (normally "a").
489 # Shared library suffix (normally "so").
492 # Flag to hardcode \$libdir into a binary during linking.
493 # This must work even if \$libdir does not exist.
494 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
496 # Whether we need a single -rpath flag with a separated argument.
497 hardcode_libdir_separator="$hardcode_libdir_separator"
499 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
501 hardcode_direct="$hardcode_direct"
503 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
505 hardcode_minus_L="$hardcode_minus_L"
507 # Compile-time system search path for libraries
508 sys_lib_search_path_spec="$escaped_sys_lib_search_path_spec"
510 # Run-time system search path for libraries
511 sys_lib_dlsearch_path_spec="$escaped_sys_lib_dlsearch_path_spec"