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 1996-2007 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 "$GCC" = yes; then
67 mingw* | cygwin* | pw32* | os2*)
69 hpux9* | hpux10* | hpux11*)
72 irix5* | irix6* | nonstopux*)
92 case `$CC -V 2>&1 | sed 5q` in
100 osf3* | osf4* | osf5*)
111 sysv4 | sysv4.2uw2* | sysv4.3*)
116 sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
127 # Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
129 hardcode_libdir_flag_spec=
130 hardcode_libdir_separator=
135 cygwin* | mingw* | pw32*)
136 # FIXME: the MSVC++ port hasn't been tested in a loooong time
137 # When not using gcc, we currently assume that we are using
138 # Microsoft Visual C++.
139 if test "$GCC" != yes; then
144 # we just hope/assume this is gcc and not c89 (= MSVC++)
153 if test "$with_gnu_ld" = yes; then
154 # Set some defaults for GNU ld with shared library support. These
155 # are reset later if shared libraries are not supported. Putting them
156 # here allows them to be overridden if necessary.
157 # Unlike libtool, we use -rpath here, not --rpath, since the documented
158 # option of GNU ld is called -rpath, not --rpath.
159 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
161 aix3* | aix4* | aix5*)
162 # On AIX/PPC, the GNU linker is very broken
163 if test "$host_cpu" != ia64; then
168 hardcode_libdir_flag_spec='-L$libdir'
170 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
171 # that the semantics of dynamic libraries on AmigaOS, at least up
172 # to version 4, is to share data among multiple programs linked
173 # with the same dynamic library. Since this doesn't match the
174 # behavior of shared libraries on other platforms, we cannot use
179 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
185 cygwin* | mingw* | pw32*)
186 # hardcode_libdir_flag_spec is actually meaningless, as there is
187 # no search path for DLLs.
188 hardcode_libdir_flag_spec='-L$libdir'
189 if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
197 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
199 gnu* | linux* | k*bsd*-gnu)
200 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
209 if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
211 elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
217 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
218 case `$LD -v 2>&1` in
219 *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
223 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
224 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
235 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
242 if test "$ld_shlibs" = no; then
243 hardcode_libdir_flag_spec=
248 # Note: this linker hardcodes the directories in LIBPATH if there
249 # are no directories specified by -L.
251 if test "$GCC" = yes; then
252 # Neither direct hardcoding nor static linking is supported with a
254 hardcode_direct=unsupported
258 if test "$host_cpu" = ia64; then
259 # On IA64, the linker does run time linking by default, so we don't
260 # have to do anything special.
261 aix_use_runtimelinking=no
263 aix_use_runtimelinking=no
264 # Test if we are trying to use run time linking or normal
265 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
266 # need to do runtime linking.
267 case $host_os in aix4.[23]|aix4.[23].*|aix5*)
268 for ld_flag in $LDFLAGS; do
269 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
270 aix_use_runtimelinking=yes
278 hardcode_libdir_separator=':'
279 if test "$GCC" = yes; then
280 case $host_os in aix4.[012]|aix4.[012].*)
281 collect2name=`${CC} -print-prog-name=collect2`
282 if test -f "$collect2name" && \
283 strings "$collect2name" | grep resolve_lib_name >/dev/null
285 # We have reworked collect2
288 # We have old collect2
289 hardcode_direct=unsupported
291 hardcode_libdir_flag_spec='-L$libdir'
292 hardcode_libdir_separator=
297 # Begin _LT_AC_SYS_LIBPATH_AIX.
298 echo 'int main () { return 0; }' > conftest.c
299 ${CC} ${LDFLAGS} conftest.c -o conftest
300 aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
302 if test -z "$aix_libpath"; then
303 aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
306 if test -z "$aix_libpath"; then
307 aix_libpath="/usr/lib:/lib"
309 rm -f conftest.c conftest
310 # End _LT_AC_SYS_LIBPATH_AIX.
311 if test "$aix_use_runtimelinking" = yes; then
312 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
314 if test "$host_cpu" = ia64; then
315 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
317 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
322 hardcode_libdir_flag_spec='-L$libdir'
324 # see comment about different semantics on the GNU ld section
329 cygwin* | mingw* | pw32*)
330 # When not using gcc, we currently assume that we are using
331 # Microsoft Visual C++.
332 # hardcode_libdir_flag_spec is actually meaningless, as there is
333 # no search path for DLLs.
334 hardcode_libdir_flag_spec=' '
339 if test "$GCC" = yes ; then
352 hardcode_libdir_flag_spec='-L$libdir'
358 hardcode_libdir_flag_spec='-R$libdir'
365 freebsd* | dragonfly*)
366 hardcode_libdir_flag_spec='-R$libdir'
370 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
371 hardcode_libdir_separator=:
373 # hardcode_minus_L: Not really in the search PATH,
374 # but as the default location of the library.
378 if test "$with_gnu_ld" = no; then
379 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
380 hardcode_libdir_separator=:
382 # hardcode_minus_L: Not really in the search PATH,
383 # but as the default location of the library.
388 if test "$with_gnu_ld" = no; then
389 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
390 hardcode_libdir_separator=:
397 # hardcode_minus_L: Not really in the search PATH,
398 # but as the default location of the library.
404 irix5* | irix6* | nonstopux*)
405 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
406 hardcode_libdir_separator=:
409 hardcode_libdir_flag_spec='-R$libdir'
414 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
415 hardcode_libdir_separator=:
418 if test -f /usr/libexec/ld.so; then
420 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
421 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
424 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
425 hardcode_libdir_flag_spec='-R$libdir'
428 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
437 hardcode_libdir_flag_spec='-L$libdir'
441 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
442 hardcode_libdir_separator=:
445 if test "$GCC" = yes; then
446 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
448 # Both cc and cxx compiler support -rpath directly
449 hardcode_libdir_flag_spec='-rpath $libdir'
451 hardcode_libdir_separator=:
454 hardcode_libdir_flag_spec='-R$libdir'
457 hardcode_libdir_flag_spec='-L$libdir'
464 hardcode_direct=yes # is this really true???
470 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
477 if test -d /usr/nec; then
481 sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
483 sysv5* | sco3.2v5* | sco5v6*)
484 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
485 hardcode_libdir_separator=':'
488 hardcode_libdir_flag_spec='-L$libdir'
496 # Check dynamic linker characteristics
497 # Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
498 # Unlike libtool.m4, here we don't care about _all_ names of the library, but
499 # only about the one the linker finds when passed -lNAME. This is the last
500 # element of library_names_spec in libtool.m4, or possibly two of them if the
501 # linker has special search rules.
502 library_names_spec= # the last element of library_names_spec in libtool.m4
503 libname_spec='lib$name'
506 library_names_spec='$libname.a'
509 library_names_spec='$libname$shrext'
512 library_names_spec='$libname.a'
515 library_names_spec='$libname$shrext'
518 library_names_spec='$libname$shrext'
520 cygwin* | mingw* | pw32*)
522 library_names_spec='$libname.dll.a $libname.lib'
526 library_names_spec='$libname$shrext'
529 library_names_spec='$libname$shrext'
533 freebsd* | dragonfly*)
536 library_names_spec='$libname$shrext$versuffix' ;;
538 library_names_spec='$libname$shrext' ;;
542 library_names_spec='$libname$shrext'
544 hpux9* | hpux10* | hpux11*)
556 library_names_spec='$libname$shrext'
559 library_names_spec='$libname$shrext'
561 irix5* | irix6* | nonstopux*)
562 library_names_spec='$libname$shrext'
569 *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
570 *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
571 *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
572 *) libsuff= shlibsuff= ;;
577 linux*oldld* | linux*aout* | linux*coff*)
580 library_names_spec='$libname$shrext'
583 library_names_spec='$libname$shrext'
586 library_names_spec='$libname$shrext'
589 library_names_spec='$libname$shrext'
592 library_names_spec='$libname$shrext'
595 library_names_spec='$libname$shrext$versuffix'
600 library_names_spec='$libname.a'
602 osf3* | osf4* | osf5*)
603 library_names_spec='$libname$shrext'
608 library_names_spec='$libname$shrext'
611 library_names_spec='$libname$shrext$versuffix'
614 library_names_spec='$libname$shrext'
617 library_names_spec='$libname$shrext'
619 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
620 library_names_spec='$libname$shrext'
623 library_names_spec='$libname$shrext'
627 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
628 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
629 shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
630 escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
631 escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
632 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
634 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
636 # How to pass a linker flag through the compiler.
639 # Static library suffix (normally "a").
642 # Shared library suffix (normally "so").
645 # Format of library name prefix.
646 libname_spec="$escaped_libname_spec"
648 # Library names that the linker finds when passed -lNAME.
649 library_names_spec="$escaped_library_names_spec"
651 # Flag to hardcode \$libdir into a binary during linking.
652 # This must work even if \$libdir does not exist.
653 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
655 # Whether we need a single -rpath flag with a separated argument.
656 hardcode_libdir_separator="$hardcode_libdir_separator"
658 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
660 hardcode_direct="$hardcode_direct"
662 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
664 hardcode_minus_L="$hardcode_minus_L"