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 1996-2003 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 3 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU 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, see <http://www.gnu.org/licenses/>.
22 # As a special exception to the GNU General Public License, if you
23 # distribute this file as part of a program that contains a
24 # configuration script generated by Autoconf, you may include it under
25 # the same distribution terms that you use for the rest of that program.
27 # The first argument passed to this file is the canonical host specification,
28 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
30 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
31 # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
32 # should be set by the caller.
34 # The set of defined variables is at the end of this script.
37 # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
38 # than 256 bytes, otherwise the compiler driver will dump core. The only
39 # known workaround is to choose shorter directory names for the build
40 # directory and/or the installation directory.
42 # All known linkers require a `.a' archive for static linking (except M$VC,
43 # which needs '.lib').
48 host_cpu
=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
49 host_vendor
=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
50 host_os
=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
52 # Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC.
55 if test "$GCC" = yes; then
62 mingw
* | pw32
* | os2
*)
64 hpux9
* | hpux10
* | hpux11
*)
67 irix5
* | irix6
* | nonstopux
*)
82 osf3
* | osf4
* | osf5
*)
93 sysv4 | sysv4.2uw2
* | sysv4.3
* | sysv5
*)
103 # Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
105 hardcode_libdir_flag_spec
=
106 hardcode_libdir_separator
=
111 cygwin
* | mingw
* | pw32
*)
112 # FIXME: the MSVC++ port hasn't been tested in a loooong time
113 # When not using gcc, we currently assume that we are using
114 # Microsoft Visual C++.
115 if test "$GCC" != yes; then
125 if test "$with_gnu_ld" = yes; then
127 aix3
* | aix4
* | aix5
*)
128 # On AIX/PPC, the GNU linker is very broken
129 if test "$host_cpu" != ia64
; then
134 hardcode_libdir_flag_spec
='-L$libdir'
136 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
137 # that the semantics of dynamic libraries on AmigaOS, at least up
138 # to version 4, is to share data among multiple programs linked
139 # with the same dynamic library. Since this doesn't match the
140 # behavior of shared libraries on other platforms, we can use
145 if $LD --help 2>&1 |
egrep ': supported targets:.* elf' > /dev
/null
; then
151 cygwin
* | mingw
* | pw32
*)
152 # hardcode_libdir_flag_spec is actually meaningless, as there is
153 # no search path for DLLs.
154 hardcode_libdir_flag_spec
='-L$libdir'
155 if $LD --help 2>&1 |
grep 'auto-import' > /dev
/null
; then
164 if $LD -v 2>&1 |
egrep 'BFD 2\.8' > /dev
/null
; then
166 elif $LD --help 2>&1 |
egrep ': supported targets:.* elf' > /dev
/null
; then
176 if $LD --help 2>&1 |
egrep ': supported targets:.* elf' > /dev
/null
; then
183 if test "$ld_shlibs" = yes; then
184 # Unlike libtool, we use -rpath here, not --rpath, since the documented
185 # option of GNU ld is called -rpath, not --rpath.
186 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
191 # Note: this linker hardcodes the directories in LIBPATH if there
192 # are no directories specified by -L.
194 if test "$GCC" = yes; then
195 # Neither direct hardcoding nor static linking is supported with a
197 hardcode_direct
=unsupported
201 if test "$host_cpu" = ia64
; then
202 # On IA64, the linker does run time linking by default, so we don't
203 # have to do anything special.
204 aix_use_runtimelinking
=no
206 aix_use_runtimelinking
=no
207 # Test if we are trying to use run time linking or normal
208 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
209 # need to do runtime linking.
210 case $host_os in aix4.
[23]|aix4.
[23].
*|aix5
*)
211 for ld_flag
in $LDFLAGS; do
212 if (test $ld_flag = "-brtl" ||
test $ld_flag = "-Wl,-brtl"); then
213 aix_use_runtimelinking
=yes
220 hardcode_libdir_separator
=':'
221 if test "$GCC" = yes; then
222 case $host_os in aix4.
[012]|aix4.
[012].
*)
223 collect2name
=`${CC} -print-prog-name=collect2`
224 if test -f "$collect2name" && \
225 strings "$collect2name" |
grep resolve_lib_name
>/dev
/null
227 # We have reworked collect2
230 # We have old collect2
231 hardcode_direct
=unsupported
233 hardcode_libdir_flag_spec
='-L$libdir'
234 hardcode_libdir_separator
=
238 # Begin _LT_AC_SYS_LIBPATH_AIX.
239 echo 'int main () { return 0; }' > conftest.c
240 ${CC} ${LDFLAGS} conftest.c
-o conftest
241 aix_libpath
=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
243 if test -z "$aix_libpath"; then
244 aix_libpath
=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
247 if test -z "$aix_libpath"; then
248 aix_libpath
="/usr/lib:/lib"
250 rm -f conftest.c conftest
251 # End _LT_AC_SYS_LIBPATH_AIX.
252 if test "$aix_use_runtimelinking" = yes; then
253 hardcode_libdir_flag_spec
='${wl}-blibpath:$libdir:'"$aix_libpath"
255 if test "$host_cpu" = ia64
; then
256 hardcode_libdir_flag_spec
='${wl}-R $libdir:/usr/lib:/lib'
258 hardcode_libdir_flag_spec
='${wl}-blibpath:$libdir:'"$aix_libpath"
263 hardcode_libdir_flag_spec
='-L$libdir'
265 # see comment about different semantics on the GNU ld section
270 cygwin
* | mingw
* | pw32
*)
271 # When not using gcc, we currently assume that we are using
272 # Microsoft Visual C++.
273 # hardcode_libdir_flag_spec is actually meaningless, as there is
274 # no search path for DLLs.
275 hardcode_libdir_flag_spec
=' '
279 if $CC -v 2>&1 |
grep 'Apple' >/dev
/null
; then
284 hardcode_libdir_flag_spec
='-L$libdir'
290 hardcode_libdir_flag_spec
='-R$libdir'
298 hardcode_libdir_flag_spec
='-R$libdir'
302 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
303 hardcode_libdir_separator
=:
305 # hardcode_minus_L: Not really in the search PATH,
306 # but as the default location of the library.
310 if test "$with_gnu_ld" = no
; then
313 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
314 hardcode_libdir_separator
=:
318 hardcode_libdir_flag_spec
='-L$libdir'
320 # hardcode_minus_L: Not really in the search PATH,
321 # but as the default location of the library.
325 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
326 hardcode_libdir_separator
=:
328 # hardcode_minus_L: Not really in the search PATH,
329 # but as the default location of the library.
335 irix5
* | irix6
* | nonstopux
*)
336 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
337 hardcode_libdir_separator
=:
340 hardcode_libdir_flag_spec
='-R$libdir'
345 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
346 hardcode_libdir_separator
=:
350 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" ||
test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
351 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
354 openbsd
[01].
* | openbsd2.
[0-7] | openbsd2.
[0-7].
*)
355 hardcode_libdir_flag_spec
='-R$libdir'
358 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
364 hardcode_libdir_flag_spec
='-L$libdir'
368 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
369 hardcode_libdir_separator
=:
372 if test "$GCC" = yes; then
373 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
375 # Both cc and cxx compiler support -rpath directly
376 hardcode_libdir_flag_spec
='-rpath $libdir'
378 hardcode_libdir_separator
=:
383 hardcode_libdir_flag_spec
='-R$libdir'
386 hardcode_libdir_flag_spec
='-L$libdir'
393 hardcode_direct
=yes # is this really true???
399 hardcode_direct
=no
#Motorola manual says yes, but my tests say they lie
406 if test -d /usr
/nec
; then
414 sysv5OpenUNIX8
* | sysv5UnixWare7
* | sysv5uw
[78]* | unixware7
*)
417 hardcode_libdir_flag_spec
=
420 hardcode_libdir_flag_spec
='-L$libdir'
428 # Check dynamic linker characteristics
429 # Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
430 libname_spec
='lib$name'
442 cygwin
* | mingw
* | pw32
*)
456 hpux9
* | hpux10
* | hpux11
*)
469 irix5
* | irix6
* | nonstopux
*)
476 *-32|
*"-32 "|
*-melf32bsmip|
*"-melf32bsmip ") libsuff
= shlibsuff
= ;;
477 *-n32|
*"-n32 "|
*-melf32bmipn32|
*"-melf32bmipn32 ") libsuff
=32 shlibsuff
=N32
;;
478 *-64|
*"-64 "|
*-melf64bmip|
*"-melf64bmip ") libsuff
=64 shlibsuff
=64 ;;
479 *) libsuff
= shlibsuff
= ;;
484 linux
*oldld
* | linux
*aout
* | linux
*coff
*)
500 osf3
* | osf4
* | osf5
*)
508 sysv4 | sysv4.2uw2
* | sysv4.3
* | sysv5
*)
516 sed_quote_subst
='s/\(["`$\\]\)/\\\1/g'
517 escaped_wl
=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
518 shlibext
=`echo "$shrext" | sed -e 's,^\.,,'`
519 escaped_hardcode_libdir_flag_spec
=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
521 sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
523 # How to pass a linker flag through the compiler.
526 # Static library suffix (normally "a").
529 # Shared library suffix (normally "so").
532 # Flag to hardcode \$libdir into a binary during linking.
533 # This must work even if \$libdir does not exist.
534 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
536 # Whether we need a single -rpath flag with a separated argument.
537 hardcode_libdir_separator="$hardcode_libdir_separator"
539 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
541 hardcode_direct="$hardcode_direct"
543 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
545 hardcode_minus_L="$hardcode_minus_L"