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 1996-2006 Free Software Foundation, Inc.
6 # Taken from GNU libtool, 2001
7 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
9 # This file is free software; the Free Software Foundation gives
10 # unlimited permission to copy and/or distribute it, with or without
11 # modifications, as long as this notice is preserved.
13 # The first argument passed to this file is the canonical host specification,
14 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
16 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
17 # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
18 # should be set by the caller.
20 # The set of defined variables is at the end of this script.
23 # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
24 # than 256 bytes, otherwise the compiler driver will dump core. The only
25 # known workaround is to choose shorter directory names for the build
26 # directory and/or the installation directory.
28 # All known linkers require a `.a' archive for static linking (except MSVC,
29 # which needs '.lib').
34 host_cpu
=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
35 host_vendor
=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
36 host_os
=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
38 # Code taken from libtool.m4's _LT_CC_BASENAME.
40 for cc_temp
in $CC""; do
42 compile |
*[\\/]compile | ccache |
*[\\/]ccache
) ;;
43 distcc |
*[\\/]distcc | purify |
*[\\/]purify
) ;;
48 cc_basename
=`echo "$cc_temp" | sed -e 's%^.*/%%'`
50 # Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC.
53 if test "$GCC" = yes; then
67 mingw
* | pw32
* | os2
*)
69 hpux9
* | hpux10
* | hpux11
*)
72 irix5
* | irix6
* | nonstopux
*)
92 case `$CC -V 2>&1 | sed 5q` in
100 osf3
* | osf4
* | osf5
*)
111 sysv4 | sysv4.2uw2
* | sysv4.3
* | sysv5
*)
124 # Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
126 hardcode_libdir_flag_spec
=
127 hardcode_libdir_separator
=
132 cygwin
* | mingw
* | pw32
*)
133 # FIXME: the MSVC++ port hasn't been tested in a loooong time
134 # When not using gcc, we currently assume that we are using
135 # Microsoft Visual C++.
136 if test "$GCC" != yes; then
141 # we just hope/assume this is gcc and not c89 (= MSVC++)
150 if test "$with_gnu_ld" = yes; then
151 # Set some defaults for GNU ld with shared library support. These
152 # are reset later if shared libraries are not supported. Putting them
153 # here allows them to be overridden if necessary.
154 # Unlike libtool, we use -rpath here, not --rpath, since the documented
155 # option of GNU ld is called -rpath, not --rpath.
156 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
158 aix3
* | aix4
* | aix5
*)
159 # On AIX/PPC, the GNU linker is very broken
160 if test "$host_cpu" != ia64
; then
165 hardcode_libdir_flag_spec
='-L$libdir'
167 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
168 # that the semantics of dynamic libraries on AmigaOS, at least up
169 # to version 4, is to share data among multiple programs linked
170 # with the same dynamic library. Since this doesn't match the
171 # behavior of shared libraries on other platforms, we cannot use
176 if $LD --help 2>&1 |
grep ': supported targets:.* elf' > /dev
/null
; then
182 cygwin
* | mingw
* | pw32
*)
183 # hardcode_libdir_flag_spec is actually meaningless, as there is
184 # no search path for DLLs.
185 hardcode_libdir_flag_spec
='-L$libdir'
186 if $LD --help 2>&1 |
grep 'auto-import' > /dev
/null
; then
194 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
197 if $LD --help 2>&1 |
grep ': supported targets:.* elf' > /dev
/null
; then
206 if $LD -v 2>&1 |
grep 'BFD 2\.8' > /dev
/null
; then
208 elif $LD --help 2>&1 |
grep ': supported targets:.* elf' > /dev
/null
; then
214 sysv5
* | sco3.2v5
* | sco5v6
* | unixware
* | OpenUNIX
*)
215 case `$LD -v 2>&1` in
216 *\
[01].
* |
*\
2.
[0-9].
* |
*\
2.1[0-5].
*)
220 if $LD --help 2>&1 |
grep ': supported targets:.* elf' > /dev
/null
; then
221 hardcode_libdir_flag_spec
='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
232 if $LD --help 2>&1 |
grep ': supported targets:.* elf' > /dev
/null
; then
239 if test "$ld_shlibs" = no
; then
240 hardcode_libdir_flag_spec
=
245 # Note: this linker hardcodes the directories in LIBPATH if there
246 # are no directories specified by -L.
248 if test "$GCC" = yes; then
249 # Neither direct hardcoding nor static linking is supported with a
251 hardcode_direct
=unsupported
255 if test "$host_cpu" = ia64
; then
256 # On IA64, the linker does run time linking by default, so we don't
257 # have to do anything special.
258 aix_use_runtimelinking
=no
260 aix_use_runtimelinking
=no
261 # Test if we are trying to use run time linking or normal
262 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
263 # need to do runtime linking.
264 case $host_os in aix4.
[23]|aix4.
[23].
*|aix5
*)
265 for ld_flag
in $LDFLAGS; do
266 if (test $ld_flag = "-brtl" ||
test $ld_flag = "-Wl,-brtl"); then
267 aix_use_runtimelinking
=yes
275 hardcode_libdir_separator
=':'
276 if test "$GCC" = yes; then
277 case $host_os in aix4.
[012]|aix4.
[012].
*)
278 collect2name
=`${CC} -print-prog-name=collect2`
279 if test -f "$collect2name" && \
280 strings "$collect2name" |
grep resolve_lib_name
>/dev
/null
282 # We have reworked collect2
285 # We have old collect2
286 hardcode_direct
=unsupported
288 hardcode_libdir_flag_spec
='-L$libdir'
289 hardcode_libdir_separator
=
294 # Begin _LT_AC_SYS_LIBPATH_AIX.
295 echo 'int main () { return 0; }' > conftest.c
296 ${CC} ${LDFLAGS} conftest.c
-o conftest
297 aix_libpath
=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
299 if test -z "$aix_libpath"; then
300 aix_libpath
=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
303 if test -z "$aix_libpath"; then
304 aix_libpath
="/usr/lib:/lib"
306 rm -f conftest.c conftest
307 # End _LT_AC_SYS_LIBPATH_AIX.
308 if test "$aix_use_runtimelinking" = yes; then
309 hardcode_libdir_flag_spec
='${wl}-blibpath:$libdir:'"$aix_libpath"
311 if test "$host_cpu" = ia64
; then
312 hardcode_libdir_flag_spec
='${wl}-R $libdir:/usr/lib:/lib'
314 hardcode_libdir_flag_spec
='${wl}-blibpath:$libdir:'"$aix_libpath"
319 hardcode_libdir_flag_spec
='-L$libdir'
321 # see comment about different semantics on the GNU ld section
326 cygwin
* | mingw
* | pw32
*)
327 # When not using gcc, we currently assume that we are using
328 # Microsoft Visual C++.
329 # hardcode_libdir_flag_spec is actually meaningless, as there is
330 # no search path for DLLs.
331 hardcode_libdir_flag_spec
=' '
336 if test "$GCC" = yes ; then
349 hardcode_libdir_flag_spec
='-L$libdir'
355 hardcode_libdir_flag_spec
='-R$libdir'
362 freebsd
* | kfreebsd
*-gnu | dragonfly
*)
363 hardcode_libdir_flag_spec
='-R$libdir'
367 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
368 hardcode_libdir_separator
=:
370 # hardcode_minus_L: Not really in the search PATH,
371 # but as the default location of the library.
375 if test "$with_gnu_ld" = no
; then
376 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
377 hardcode_libdir_separator
=:
379 # hardcode_minus_L: Not really in the search PATH,
380 # but as the default location of the library.
385 if test "$with_gnu_ld" = no
; then
386 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
387 hardcode_libdir_separator
=:
394 # hardcode_minus_L: Not really in the search PATH,
395 # but as the default location of the library.
401 irix5
* | irix6
* | nonstopux
*)
402 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
403 hardcode_libdir_separator
=:
406 hardcode_libdir_flag_spec
='-R$libdir'
411 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
412 hardcode_libdir_separator
=:
416 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" ||
test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
417 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
420 openbsd
[01].
* | openbsd2.
[0-7] | openbsd2.
[0-7].
*)
421 hardcode_libdir_flag_spec
='-R$libdir'
424 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
430 hardcode_libdir_flag_spec
='-L$libdir'
434 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
435 hardcode_libdir_separator
=:
438 if test "$GCC" = yes; then
439 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
441 # Both cc and cxx compiler support -rpath directly
442 hardcode_libdir_flag_spec
='-rpath $libdir'
444 hardcode_libdir_separator
=:
447 hardcode_libdir_flag_spec
='-R$libdir'
450 hardcode_libdir_flag_spec
='-L$libdir'
457 hardcode_direct
=yes # is this really true???
463 hardcode_direct
=no
#Motorola manual says yes, but my tests say they lie
470 if test -d /usr
/nec
; then
474 sysv4
*uw2
* | sysv5OpenUNIX
* | sysv5UnixWare7.
[01].
[10]* | unixware7
*)
476 sysv5
* | sco3.2v5
* | sco5v6
*)
477 hardcode_libdir_flag_spec
='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
478 hardcode_libdir_separator
=':'
481 hardcode_libdir_flag_spec
='-L$libdir'
489 # Check dynamic linker characteristics
490 # Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
491 libname_spec
='lib$name'
503 cygwin
* | mingw
* | pw32
*)
515 freebsd
* | dragonfly
*)
519 hpux9
* | hpux10
* | hpux11
*)
534 irix5
* | irix6
* | nonstopux
*)
541 *-32|
*"-32 "|
*-melf32bsmip|
*"-melf32bsmip ") libsuff
= shlibsuff
= ;;
542 *-n32|
*"-n32 "|
*-melf32bmipn32|
*"-melf32bmipn32 ") libsuff
=32 shlibsuff
=N32
;;
543 *-64|
*"-64 "|
*-melf64bmip|
*"-melf64bmip ") libsuff
=64 shlibsuff
=64 ;;
544 *) libsuff
= shlibsuff
= ;;
549 linux
*oldld
* | linux
*aout
* | linux
*coff
*)
567 osf3
* | osf4
* | osf5
*)
577 sysv5
* | sco3.2v5
* | sco5v6
* | unixware
* | OpenUNIX
* | sysv4
*uw2
*)
583 sed_quote_subst
='s/\(["`$\\]\)/\\\1/g'
584 escaped_wl
=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
585 shlibext
=`echo "$shrext" | sed -e 's,^\.,,'`
586 escaped_hardcode_libdir_flag_spec
=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
588 LC_ALL
=C
sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
590 # How to pass a linker flag through the compiler.
593 # Static library suffix (normally "a").
596 # Shared library suffix (normally "so").
599 # Flag to hardcode \$libdir into a binary during linking.
600 # This must work even if \$libdir does not exist.
601 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
603 # Whether we need a single -rpath flag with a separated argument.
604 hardcode_libdir_separator="$hardcode_libdir_separator"
606 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
608 hardcode_direct="$hardcode_direct"
610 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
612 hardcode_minus_L="$hardcode_minus_L"