diff options
Diffstat (limited to 'm4/lib-prefix.m4')
| -rw-r--r-- | m4/lib-prefix.m4 | 129 |
1 files changed, 80 insertions, 49 deletions
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 index 68a0835..16b26fb 100644 --- a/m4/lib-prefix.m4 +++ b/m4/lib-prefix.m4 @@ -1,5 +1,5 @@ -# lib-prefix.m4 serial 7 (gettext-0.18) -dnl Copyright (C) 2001-2005, 2008-2017 Free Software Foundation, Inc. +# lib-prefix.m4 serial 11 +dnl Copyright (C) 2001-2005, 2008-2018 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. @@ -174,51 +174,82 @@ AC_DEFUN([AC_LIB_PREPARE_MULTILIB], dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. AC_REQUIRE([AC_CANONICAL_HOST]) - acl_libdirstem=lib - acl_libdirstem2= - case "$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 - ;; - *) - 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" + AC_REQUIRE([gl_HOST_CPU_C_ABI]) + dnl Allow the user to override the result by setting acl_cv_libdirstems. + AC_CACHE_CHECK([for the common suffixes of directories in the library search path], + [acl_cv_libdirstems], + [acl_libdirstem=lib + acl_libdirstem2= + case "$host_os" in + solaris*) + dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment + dnl <https://docs.oracle.com/cd/E19253-01/816-5138/dev-env/index.html>. + 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_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifdef _LP64 + int ok; + #else + error fail + #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 + ;; + *) + dnl If $CC generates code for a 32-bit ABI, the libraries are + dnl surely under $prefix/lib, not $prefix/lib64. + case "$gl_cv_host_cpu_c_abi" in + i386 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | s390 | sparc) + ;; + *) # x86_64 | arm64 | hppa64 | ia64 | mips64 | powerpc64* | s390x | sparc64 | ... + dnl The result is a property of the system. However, non-system + dnl compilers sometimes have odd library search paths. Therefore + dnl prefer asking /usr/bin/gcc, if available, rather than $CC. + searchpath=`(if test -f /usr/bin/gcc \ + && LC_ALL=C /usr/bin/gcc -print-search-dirs >/dev/null 2>/dev/null; then \ + LC_ALL=C /usr/bin/gcc -print-search-dirs; \ + else \ + LC_ALL=C $CC -print-search-dirs; \ + fi) 2>/dev/null \ + | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$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 + ;; + esac + test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" + acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2" + ]) + # Decompose acl_cv_libdirstems into acl_libdirstem and acl_libdirstem2. + acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'` + acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e '/,/s/.*,//'` ]) |