3 # NOTE: This file was brought from
4 # http://git.savannah.gnu.org/cgit/gnulib.git/plain/build-aux/config.rpath
5 # You should sometimes check if the file is updated and bring it to
6 # our trunk and copy this note to the top of that file.
8 # Output a system dependent set of variables, describing how to set the
9 # run time search path of shared libraries in an executable.
11 # Copyright 1996-2011 Free Software Foundation, Inc.
12 # Taken from GNU libtool, 2001
13 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
15 # This file is free software; the Free Software Foundation gives
16 # unlimited permission to copy and/or distribute it, with or without
17 # modifications, as long as this notice is preserved.
19 # The first argument passed to this file is the canonical host specification,
20 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
22 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
23 # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
24 # should be set by the caller.
26 # The set of defined variables is at the end of this script.
29 # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
30 # than 256 bytes, otherwise the compiler driver will dump core. The only
31 # known workaround is to choose shorter directory names for the build
32 # directory and/or the installation directory.
34 # All known linkers require a `.a' archive for static linking (except MSVC,
35 # which needs '.lib').
40 host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
41 host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
42 host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
44 # Code taken from libtool.m4's _LT_CC_BASENAME.
46 for cc_temp in $CC""; do
48 compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
49 distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
54 cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
56 # Code taken from libtool.m4's _LT_COMPILER_PIC.
59 if test "$GCC" = yes; then
66 mingw* | cygwin* | pw32* | os2* | cegcc*)
68 hpux9* | hpux10* | hpux11*)
71 irix5* | irix6* | nonstopux*)
74 linux* | k*bsd*-gnu | kopensolaris*-gnu)
88 pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
94 xl* | bgxl* | bgf* | mpixl*)
101 case `$CC -V 2>&1 | sed 5q` in
102 *Sun\ F* | *Sun*Fortran*)
116 osf3* | osf4* | osf5*)
123 f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
134 sysv4 | sysv4.2uw2* | sysv4.3*)
139 sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
150 # Code taken from libtool.m4's _LT_LINKER_SHLIBS.
152 hardcode_libdir_flag_spec=
153 hardcode_libdir_separator=
158 cygwin* | mingw* | pw32* | cegcc*)
159 # FIXME: the MSVC++ port hasn't been tested in a loooong time
160 # When not using gcc, we currently assume that we are using
161 # Microsoft Visual C++.
162 if test "$GCC" != yes; then
167 # we just hope/assume this is gcc and not c89 (= MSVC++)
176 if test "$with_gnu_ld" = yes; then
177 # Set some defaults for GNU ld with shared library support. These
178 # are reset later if shared libraries are not supported. Putting them
179 # here allows them to be overridden if necessary.
180 # Unlike libtool, we use -rpath here, not --rpath, since the documented
181 # option of GNU ld is called -rpath, not --rpath.
182 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
185 # On AIX/PPC, the GNU linker is very broken
186 if test "$host_cpu" != ia64; then
195 hardcode_libdir_flag_spec='-L$libdir'
201 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
207 cygwin* | mingw* | pw32* | cegcc*)
208 # hardcode_libdir_flag_spec is actually meaningless, as there is
209 # no search path for DLLs.
210 hardcode_libdir_flag_spec='-L$libdir'
211 if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
221 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
223 gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
224 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
233 if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
235 elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
241 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
242 case `$LD -v 2>&1` in
243 *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
247 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
248 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
259 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
266 if test "$ld_shlibs" = no; then
267 hardcode_libdir_flag_spec=
272 # Note: this linker hardcodes the directories in LIBPATH if there
273 # are no directories specified by -L.
275 if test "$GCC" = yes; then
276 # Neither direct hardcoding nor static linking is supported with a
278 hardcode_direct=unsupported
282 if test "$host_cpu" = ia64; then
283 # On IA64, the linker does run time linking by default, so we don't
284 # have to do anything special.
285 aix_use_runtimelinking=no
287 aix_use_runtimelinking=no
288 # Test if we are trying to use run time linking or normal
289 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
290 # need to do runtime linking.
291 case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
292 for ld_flag in $LDFLAGS; do
293 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
294 aix_use_runtimelinking=yes
302 hardcode_libdir_separator=':'
303 if test "$GCC" = yes; then
304 case $host_os in aix4.[012]|aix4.[012].*)
305 collect2name=`${CC} -print-prog-name=collect2`
306 if test -f "$collect2name" && \
307 strings "$collect2name" | grep resolve_lib_name >/dev/null
309 # We have reworked collect2
312 # We have old collect2
313 hardcode_direct=unsupported
315 hardcode_libdir_flag_spec='-L$libdir'
316 hardcode_libdir_separator=
321 # Begin _LT_AC_SYS_LIBPATH_AIX.
322 echo 'int main () { return 0; }' > conftest.c
323 ${CC} ${LDFLAGS} conftest.c -o conftest
324 aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
326 if test -z "$aix_libpath"; then
327 aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
330 if test -z "$aix_libpath"; then
331 aix_libpath="/usr/lib:/lib"
333 rm -f conftest.c conftest
334 # End _LT_AC_SYS_LIBPATH_AIX.
335 if test "$aix_use_runtimelinking" = yes; then
336 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
338 if test "$host_cpu" = ia64; then
339 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
341 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
350 hardcode_libdir_flag_spec='-L$libdir'
357 cygwin* | mingw* | pw32* | cegcc*)
358 # When not using gcc, we currently assume that we are using
359 # Microsoft Visual C++.
360 # hardcode_libdir_flag_spec is actually meaningless, as there is
361 # no search path for DLLs.
362 hardcode_libdir_flag_spec=' '
367 if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then
374 hardcode_libdir_flag_spec='-L$libdir'
377 hardcode_libdir_flag_spec='-R$libdir'
384 freebsd* | dragonfly*)
385 hardcode_libdir_flag_spec='-R$libdir'
389 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
390 hardcode_libdir_separator=:
392 # hardcode_minus_L: Not really in the search PATH,
393 # but as the default location of the library.
397 if test "$with_gnu_ld" = no; then
398 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
399 hardcode_libdir_separator=:
401 # hardcode_minus_L: Not really in the search PATH,
402 # but as the default location of the library.
407 if test "$with_gnu_ld" = no; then
408 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
409 hardcode_libdir_separator=:
416 # hardcode_minus_L: Not really in the search PATH,
417 # but as the default location of the library.
423 irix5* | irix6* | nonstopux*)
424 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
425 hardcode_libdir_separator=:
428 hardcode_libdir_flag_spec='-R$libdir'
433 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
434 hardcode_libdir_separator=:
439 if test -f /usr/libexec/ld.so; then
441 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
442 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
445 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
446 hardcode_libdir_flag_spec='-R$libdir'
449 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
458 hardcode_libdir_flag_spec='-L$libdir'
462 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
463 hardcode_libdir_separator=:
466 if test "$GCC" = yes; then
467 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
469 # Both cc and cxx compiler support -rpath directly
470 hardcode_libdir_flag_spec='-rpath $libdir'
472 hardcode_libdir_separator=:
475 hardcode_libdir_flag_spec='-R$libdir'
478 hardcode_libdir_flag_spec='-L$libdir'
485 hardcode_direct=yes # is this really true???
491 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
498 if test -d /usr/nec; then
502 sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
504 sysv5* | sco3.2v5* | sco5v6*)
505 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
506 hardcode_libdir_separator=':'
509 hardcode_libdir_flag_spec='-L$libdir'
517 # Check dynamic linker characteristics
518 # Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
519 # Unlike libtool.m4, here we don't care about _all_ names of the library, but
520 # only about the one the linker finds when passed -lNAME. This is the last
521 # element of library_names_spec in libtool.m4, or possibly two of them if the
522 # linker has special search rules.
523 library_names_spec= # the last element of library_names_spec in libtool.m4
524 libname_spec='lib$name'
527 library_names_spec='$libname.a'
530 library_names_spec='$libname$shrext'
535 library_names_spec='$libname$shrext' ;;
537 library_names_spec='$libname.a' ;;
541 library_names_spec='$libname$shrext'
544 library_names_spec='$libname$shrext'
546 cygwin* | mingw* | pw32* | cegcc*)
548 library_names_spec='$libname.dll.a $libname.lib'
552 library_names_spec='$libname$shrext'
555 library_names_spec='$libname$shrext'
557 freebsd* | dragonfly*)
560 library_names_spec='$libname$shrext$versuffix' ;;
562 library_names_spec='$libname$shrext' ;;
566 library_names_spec='$libname$shrext'
569 library_names_spec='$libname$shrext'
571 hpux9* | hpux10* | hpux11*)
583 library_names_spec='$libname$shrext'
586 library_names_spec='$libname$shrext'
588 irix5* | irix6* | nonstopux*)
589 library_names_spec='$libname$shrext'
596 *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
597 *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
598 *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
599 *) libsuff= shlibsuff= ;;
604 linux*oldld* | linux*aout* | linux*coff*)
606 linux* | k*bsd*-gnu | kopensolaris*-gnu)
607 library_names_spec='$libname$shrext'
610 library_names_spec='$libname$shrext'
613 library_names_spec='$libname$shrext'
616 library_names_spec='$libname$shrext'
619 library_names_spec='$libname$shrext'
622 library_names_spec='$libname$shrext$versuffix'
627 library_names_spec='$libname.a'
629 osf3* | osf4* | osf5*)
630 library_names_spec='$libname$shrext'
635 library_names_spec='$libname$shrext'
638 library_names_spec='$libname$shrext$versuffix'
641 library_names_spec='$libname$shrext'
644 library_names_spec='$libname$shrext'
646 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
647 library_names_spec='$libname$shrext'
650 library_names_spec='$libname$shrext'
653 library_names_spec='$libname$shrext'
657 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
658 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
659 shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
660 escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
661 escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
662 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
664 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
666 # How to pass a linker flag through the compiler.
669 # Static library suffix (normally "a").
672 # Shared library suffix (normally "so").
675 # Format of library name prefix.
676 libname_spec="$escaped_libname_spec"
678 # Library names that the linker finds when passed -lNAME.
679 library_names_spec="$escaped_library_names_spec"
681 # Flag to hardcode \$libdir into a binary during linking.
682 # This must work even if \$libdir does not exist.
683 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
685 # Whether we need a single -rpath flag with a separated argument.
686 hardcode_libdir_separator="$hardcode_libdir_separator"
688 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
690 hardcode_direct="$hardcode_direct"
692 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
694 hardcode_minus_L="$hardcode_minus_L"