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Diffstat (limited to 'extension/m4/lib-prefix.m4')
| -rw-r--r-- | extension/m4/lib-prefix.m4 | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/extension/m4/lib-prefix.m4 b/extension/m4/lib-prefix.m4 deleted file mode 100644 index c8a0b464..00000000 --- a/extension/m4/lib-prefix.m4 +++ /dev/null @@ -1,320 +0,0 @@ -# lib-prefix.m4 serial 17 -dnl Copyright (C) 2001-2005, 2008-2020 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. - -dnl From Bruno Haible. - -dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed -dnl to access previously installed libraries. The basic assumption is that -dnl a user will want packages to use other packages he previously installed -dnl with the same --prefix option. -dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate -dnl libraries, but is otherwise very convenient. -AC_DEFUN([AC_LIB_PREFIX], -[ - AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) - AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) - dnl By default, look in $includedir and $libdir. - use_additional=yes - AC_LIB_WITH_FINAL_PREFIX([ - eval additional_includedir=\"$includedir\" - eval additional_libdir=\"$libdir\" - ]) - AC_ARG_WITH([lib-prefix], -[[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib - --without-lib-prefix don't search for libraries in includedir and libdir]], -[ - if test "X$withval" = "Xno"; then - use_additional=no - else - if test "X$withval" = "X"; then - AC_LIB_WITH_FINAL_PREFIX([ - eval additional_includedir=\"$includedir\" - eval additional_libdir=\"$libdir\" - ]) - else - additional_includedir="$withval/include" - additional_libdir="$withval/$acl_libdirstem" - fi - fi -]) - if test $use_additional = yes; then - dnl Potentially add $additional_includedir to $CPPFLAGS. - dnl But don't add it - dnl 1. if it's the standard /usr/include, - dnl 2. if it's already present in $CPPFLAGS, - dnl 3. if it's /usr/local/include and we are using GCC on Linux, - dnl 4. if it doesn't exist as a directory. - if test "X$additional_includedir" != "X/usr/include"; then - haveit= - for x in $CPPFLAGS; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-I$additional_includedir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test "X$additional_includedir" = "X/usr/local/include"; then - if test -n "$GCC"; then - case $host_os in - linux* | gnu* | k*bsd*-gnu) haveit=yes;; - esac - fi - fi - if test -z "$haveit"; then - if test -d "$additional_includedir"; then - dnl Really add $additional_includedir to $CPPFLAGS. - CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" - fi - fi - fi - fi - dnl Potentially add $additional_libdir to $LDFLAGS. - dnl But don't add it - dnl 1. if it's the standard /usr/lib, - dnl 2. if it's already present in $LDFLAGS, - dnl 3. if it's /usr/local/lib and we are using GCC on Linux, - dnl 4. if it doesn't exist as a directory. - if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then - haveit= - for x in $LDFLAGS; do - AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$additional_libdir"; then - haveit=yes - break - fi - done - if test -z "$haveit"; then - if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then - if test -n "$GCC"; then - case $host_os in - linux*) haveit=yes;; - esac - fi - fi - if test -z "$haveit"; then - if test -d "$additional_libdir"; then - dnl Really add $additional_libdir to $LDFLAGS. - LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" - fi - fi - fi - fi - fi -]) - -dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, -dnl acl_final_exec_prefix, containing the values to which $prefix and -dnl $exec_prefix will expand at the end of the configure script. -AC_DEFUN([AC_LIB_PREPARE_PREFIX], -[ - dnl Unfortunately, prefix and exec_prefix get only finally determined - dnl at the end of configure. - if test "X$prefix" = "XNONE"; then - acl_final_prefix="$ac_default_prefix" - else - acl_final_prefix="$prefix" - fi - if test "X$exec_prefix" = "XNONE"; then - acl_final_exec_prefix='${prefix}' - else - acl_final_exec_prefix="$exec_prefix" - fi - acl_save_prefix="$prefix" - prefix="$acl_final_prefix" - eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" - prefix="$acl_save_prefix" -]) - -dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the -dnl variables prefix and exec_prefix bound to the values they will have -dnl at the end of the configure script. -AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], -[ - acl_save_prefix="$prefix" - prefix="$acl_final_prefix" - acl_save_exec_prefix="$exec_prefix" - exec_prefix="$acl_final_exec_prefix" - $1 - exec_prefix="$acl_save_exec_prefix" - prefix="$acl_save_prefix" -]) - -dnl AC_LIB_PREPARE_MULTILIB creates -dnl - a function acl_is_expected_elfclass, that tests whether standard input -dn; has a 32-bit or 64-bit ELF header, depending on the host CPU ABI, -dnl - 3 variables acl_libdirstem, acl_libdirstem2, acl_libdirstem3, containing -dnl the basename of the libdir to try in turn, either "lib" or "lib64" or -dnl "lib/64" or "lib32" or "lib/sparcv9" or "lib/amd64" or similar. -AC_DEFUN([AC_LIB_PREPARE_MULTILIB], -[ - dnl There is no formal standard regarding lib, lib32, and lib64. - dnl On most 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. However, on - dnl Arch Linux based distributions, it's the opposite: 32-bit libraries go - dnl under $prefix/lib32 and 64-bit libraries go under $prefix/lib. - dnl We determine the compiler's default mode by looking at the compiler's - dnl library search path. If at least one of its elements ends in /lib64 or - dnl points to a directory whose absolute pathname ends in /lib64, we use that - dnl for 64-bit ABIs. Similarly for 32-bit ABIs. Otherwise we use the default, - dnl 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]) - AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT]) - - AC_CACHE_CHECK([for ELF binary format], [gl_cv_elf], - [AC_EGREP_CPP([Extensible Linking Format], - [#ifdef __ELF__ - Extensible Linking Format - #endif - ], - [gl_cv_elf=yes], - [gl_cv_elf=no]) - ]) - if test $gl_cv_elf; then - # Extract the ELF class of a file (5th byte) in decimal. - # Cf. https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header - if od -A x < /dev/null >/dev/null 2>/dev/null; then - # Use POSIX od. - func_elfclass () - { - od -A n -t d1 -j 4 -N 1 - } - else - # Use BSD hexdump. - func_elfclass () - { - dd bs=1 count=1 skip=4 2>/dev/null | hexdump -e '1/1 "%3d "' - echo - } - fi -changequote(,)dnl - case $HOST_CPU_C_ABI_32BIT in - yes) - # 32-bit ABI. - acl_is_expected_elfclass () - { - test "`func_elfclass | sed -e 's/[ ]//g'`" = 1 - } - ;; - no) - # 64-bit ABI. - acl_is_expected_elfclass () - { - test "`func_elfclass | sed -e 's/[ ]//g'`" = 2 - } - ;; - *) - # Unknown. - acl_is_expected_elfclass () - { - : - } - ;; - esac -changequote([,])dnl - else - acl_is_expected_elfclass () - { - : - } - fi - - dnl Allow the user to override the result by setting acl_cv_libdirstems. - AC_CACHE_CHECK([for the common suffixes of directories in the library search path], - [acl_cv_libdirstems], - [dnl Try 'lib' first, because that's the default for libdir in GNU, see - dnl <https://www.gnu.org/prep/standards/html_node/Directory-Variables.html>. - acl_libdirstem=lib - acl_libdirstem2= - acl_libdirstem3= - case "$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. - if test $HOST_CPU_C_ABI_32BIT = no; then - acl_libdirstem2=lib/64 - case "$host_cpu" in - sparc*) acl_libdirstem3=lib/sparcv9 ;; - i*86 | x86_64) acl_libdirstem3=lib/amd64 ;; - esac - fi - ;; - *) - dnl If $CC generates code for a 32-bit ABI, the libraries are - dnl surely under $prefix/lib or $prefix/lib32, not $prefix/lib64. - dnl Similarly, if $CC generates code for a 64-bit ABI, the libraries - dnl are surely under $prefix/lib or $prefix/lib64, not $prefix/lib32. - dnl Find the compiler's search path. However, non-system compilers - dnl sometimes have odd library search paths. But we can't simply invoke - dnl '/usr/bin/gcc -print-search-dirs' because that would not take into - dnl account the -m32/-m31 or -m64 options from the $CC or $CFLAGS. - searchpath=`(LC_ALL=C $CC $CPPFLAGS $CFLAGS -print-search-dirs) 2>/dev/null \ - | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` - if test $HOST_CPU_C_ABI_32BIT != no; then - # 32-bit or unknown ABI. - if test -d /usr/lib32; then - acl_libdirstem2=lib32 - fi - fi - if test $HOST_CPU_C_ABI_32BIT != yes; then - # 64-bit or unknown ABI. - if test -d /usr/lib64; then - acl_libdirstem3=lib64 - fi - fi - if test -n "$searchpath"; then - acl_save_IFS="${IFS= }"; IFS=":" - for searchdir in $searchpath; do - if test -d "$searchdir"; then - case "$searchdir" in - */lib32/ | */lib32 ) acl_libdirstem2=lib32 ;; - */lib64/ | */lib64 ) acl_libdirstem3=lib64 ;; - */../ | */.. ) - # Better ignore directories of this form. They are misleading. - ;; - *) searchdir=`cd "$searchdir" && pwd` - case "$searchdir" in - */lib32 ) acl_libdirstem2=lib32 ;; - */lib64 ) acl_libdirstem3=lib64 ;; - esac ;; - esac - fi - done - IFS="$acl_save_IFS" - if test $HOST_CPU_C_ABI_32BIT = yes; then - # 32-bit ABI. - acl_libdirstem3= - fi - if test $HOST_CPU_C_ABI_32BIT = no; then - # 64-bit ABI. - acl_libdirstem2= - fi - fi - ;; - esac - test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" - test -n "$acl_libdirstem3" || acl_libdirstem3="$acl_libdirstem" - acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2,$acl_libdirstem3" - ]) - dnl Decompose acl_cv_libdirstems into acl_libdirstem, acl_libdirstem2, and - dnl acl_libdirstem3. -changequote(,)dnl - acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'` - acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,//' -e 's/,.*//'` - acl_libdirstem3=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,[^,]*,//' -e 's/,.*//'` -changequote([,])dnl -]) |