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94b2bc08f4
It seems those are missing in some setup, probably because they have too old an autotools config. Instead of forcing upgrading, let's add these missing ones.
169 lines
5.2 KiB
Plaintext
169 lines
5.2 KiB
Plaintext
# lib-ld.m4 serial 9
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dnl Copyright (C) 1996-2003, 2009-2019 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Subroutines of libtool.m4,
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dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
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dnl collision with libtool.m4.
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dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no.
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AC_DEFUN([AC_LIB_PROG_LD_GNU],
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[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
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[# I'd rather use --version here, but apparently some GNU lds only accept -v.
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case `$LD -v 2>&1 </dev/null` in
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*GNU* | *'with BFD'*)
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acl_cv_prog_gnu_ld=yes
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;;
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*)
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acl_cv_prog_gnu_ld=no
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;;
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esac])
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with_gnu_ld=$acl_cv_prog_gnu_ld
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])
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dnl From libtool-2.4. Sets the variable LD.
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AC_DEFUN([AC_LIB_PROG_LD],
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_ARG_WITH([gnu-ld],
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[AS_HELP_STRING([--with-gnu-ld],
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[assume the C compiler uses GNU ld [default=no]])],
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[test "$withval" = no || with_gnu_ld=yes],
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[with_gnu_ld=no])dnl
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# Prepare PATH_SEPARATOR.
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# The user is always right.
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if test "${PATH_SEPARATOR+set}" != set; then
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# Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
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# contains only /bin. Note that ksh looks also at the FPATH variable,
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# so we have to set that as well for the test.
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PATH_SEPARATOR=:
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(PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
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&& { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
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|| PATH_SEPARATOR=';'
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}
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fi
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if test -n "$LD"; then
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AC_MSG_CHECKING([for ld])
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elif test "$GCC" = yes; then
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AC_MSG_CHECKING([for ld used by $CC])
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elif test "$with_gnu_ld" = yes; then
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AC_MSG_CHECKING([for GNU ld])
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else
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AC_MSG_CHECKING([for non-GNU ld])
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fi
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if test -n "$LD"; then
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# Let the user override the test with a path.
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:
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else
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AC_CACHE_VAL([acl_cv_path_LD],
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[
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acl_cv_path_LD= # Final result of this test
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ac_prog=ld # Program to search in $PATH
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if test "$GCC" = yes; then
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# Check if gcc -print-prog-name=ld gives a path.
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case $host in
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*-*-mingw*)
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# gcc leaves a trailing carriage return which upsets mingw
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acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
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*)
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acl_output=`($CC -print-prog-name=ld) 2>&5` ;;
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esac
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case $acl_output in
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# Accept absolute paths.
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[[\\/]]* | ?:[[\\/]]*)
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re_direlt='/[[^/]][[^/]]*/\.\./'
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# Canonicalize the pathname of ld
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acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'`
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while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do
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acl_output=`echo $acl_output | sed "s%$re_direlt%/%"`
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done
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# Got the pathname. No search in PATH is needed.
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acl_cv_path_LD="$acl_output"
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ac_prog=
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;;
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"")
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# If it fails, then pretend we aren't using GCC.
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;;
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*)
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# If it is relative, then search for the first ld in PATH.
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with_gnu_ld=unknown
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;;
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esac
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fi
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if test -n "$ac_prog"; then
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# Search for $ac_prog in $PATH.
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acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
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for ac_dir in $PATH; do
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IFS="$acl_save_ifs"
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test -z "$ac_dir" && ac_dir=.
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if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
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acl_cv_path_LD="$ac_dir/$ac_prog"
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# Check to see if the program is GNU ld. I'd rather use --version,
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# but apparently some variants of GNU ld only accept -v.
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# Break only if it was the GNU/non-GNU ld that we prefer.
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case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
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*GNU* | *'with BFD'*)
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test "$with_gnu_ld" != no && break
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;;
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*)
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test "$with_gnu_ld" != yes && break
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;;
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esac
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fi
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done
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IFS="$acl_save_ifs"
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fi
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case $host in
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*-*-aix*)
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AC_COMPILE_IFELSE(
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[AC_LANG_SOURCE(
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[[#if defined __powerpc64__ || defined _ARCH_PPC64
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int ok;
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#else
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error fail
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#endif
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]])],
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[# The compiler produces 64-bit code. Add option '-b64' so that the
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# linker groks 64-bit object files.
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case "$acl_cv_path_LD " in
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*" -b64 "*) ;;
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*) acl_cv_path_LD="$acl_cv_path_LD -b64" ;;
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esac
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], [])
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;;
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sparc64-*-netbsd*)
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AC_COMPILE_IFELSE(
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[AC_LANG_SOURCE(
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[[#if defined __sparcv9 || defined __arch64__
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int ok;
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#else
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error fail
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#endif
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]])],
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[],
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[# The compiler produces 32-bit code. Add option '-m elf32_sparc'
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# so that the linker groks 32-bit object files.
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case "$acl_cv_path_LD " in
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*" -m elf32_sparc "*) ;;
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*) acl_cv_path_LD="$acl_cv_path_LD -m elf32_sparc" ;;
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esac
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])
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;;
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esac
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])
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LD="$acl_cv_path_LD"
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fi
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if test -n "$LD"; then
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AC_MSG_RESULT([$LD])
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else
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AC_MSG_RESULT([no])
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AC_MSG_ERROR([no acceptable ld found in \$PATH])
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fi
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AC_LIB_PROG_LD_GNU
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])
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