diff options
Diffstat (limited to 'm4/lib-prefix.m4')
| -rw-r--r-- | m4/lib-prefix.m4 | 91 |
1 files changed, 65 insertions, 26 deletions
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 index a8684e1..1601cea 100644 --- a/m4/lib-prefix.m4 +++ b/m4/lib-prefix.m4 @@ -1,5 +1,5 @@ -# lib-prefix.m4 serial 5 (gettext-0.15) -dnl Copyright (C) 2001-2005 Free Software Foundation, Inc. +# lib-prefix.m4 serial 7 (gettext-0.18) +dnl Copyright (C) 2001-2005, 2008-2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -153,33 +153,72 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], prefix="$acl_save_prefix" ]) -dnl AC_LIB_PREPARE_MULTILIB creates a variable acl_libdirstem, containing -dnl the basename of the libdir, either "lib" or "lib64". +dnl AC_LIB_PREPARE_MULTILIB creates +dnl - a variable acl_libdirstem, containing the basename of the libdir, either +dnl "lib" or "lib64" or "lib/64", +dnl - a variable acl_libdirstem2, as a secondary possible value for +dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or +dnl "lib/amd64". AC_DEFUN([AC_LIB_PREPARE_MULTILIB], [ - dnl There is no formal standard regarding lib and lib64. The current - dnl practice is that on a system supporting 32-bit and 64-bit instruction - dnl sets or ABIs, 64-bit libraries go under $prefix/lib64 and 32-bit - dnl libraries go under $prefix/lib. We determine the compiler's default - dnl mode by looking at the compiler's library search path. If at least - dnl of its elements ends in /lib64 or points to a directory whose absolute - dnl pathname ends in /lib64, we assume a 64-bit ABI. Otherwise we use the - dnl default, namely "lib". + dnl There is no formal standard regarding lib and lib64. + dnl On glibc systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine + dnl the compiler's default mode by looking at the compiler's library search + dnl path. If at least one of its elements ends in /lib64 or points to a + dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. + dnl Otherwise we use the default, namely "lib". + dnl On Solaris systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or + dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. + AC_REQUIRE([AC_CANONICAL_HOST]) acl_libdirstem=lib - searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` - if test -n "$searchpath"; then - acl_save_IFS="${IFS= }"; IFS=":" - for searchdir in $searchpath; do - if test -d "$searchdir"; then - case "$searchdir" in - */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; - *) searchdir=`cd "$searchdir" && pwd` - case "$searchdir" in - */lib64 ) acl_libdirstem=lib64 ;; - esac ;; + acl_libdirstem2= + case "$host_os" in + solaris*) + dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment + dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>. + dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." + dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the + dnl symlink is missing, so we set acl_libdirstem2 too. + AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], + [AC_EGREP_CPP([sixtyfour bits], [ +#ifdef _LP64 +sixtyfour bits +#endif + ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no]) + ]) + if test $gl_cv_solaris_64bit = yes; then + acl_libdirstem=lib/64 + case "$host_cpu" in + sparc*) acl_libdirstem2=lib/sparcv9 ;; + i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; esac fi - done - IFS="$acl_save_IFS" - fi + ;; + *) + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + */../ | */.. ) + # Better ignore directories of this form. They are misleading. + ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi + ;; + esac + test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" ]) |