>From be5c1e45939c46b33432fce4c919964617c7d5b5 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sun, 19 Feb 2017 19:07:09 +0100 Subject: [PATCH 1/2] havelib: Support overriding the result of AC_LIB_PREPARE_MULTILIB. * m4/lib-prefix.m4 (AC_LIB_PREPARE_MULTILIB): Use AC_CACHE_CHECK. --- ChangeLog | 5 +++ m4/lib-prefix.m4 | 98 ++++++++++++++++++++++++++++++-------------------------- 2 files changed, 58 insertions(+), 45 deletions(-) diff --git a/ChangeLog b/ChangeLog index 1adb3f4..2f2a8b7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2017-02-19 Bruno Haible + havelib: Support overriding the result of AC_LIB_PREPARE_MULTILIB. + * m4/lib-prefix.m4 (AC_LIB_PREPARE_MULTILIB): Use AC_CACHE_CHECK. + +2017-02-19 Bruno Haible + gnulib-tool: Avoid conflict of havelib-tests with --single-configure. * gnulib_tool (func_create_testdir): Avoid havelib-tests when --with-tests --single-configure is specified. diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 index 68a0835..afd5b93 100644 --- a/m4/lib-prefix.m4 +++ b/m4/lib-prefix.m4 @@ -1,4 +1,4 @@ -# lib-prefix.m4 serial 7 (gettext-0.18) +# lib-prefix.m4 serial 8 dnl Copyright (C) 2001-2005, 2008-2017 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -174,51 +174,59 @@ 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 . - 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], [ + 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 . + 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" + ], [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" + 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/.*,//'` ]) -- 2.7.4