-# lib-ld.m4 serial 5 (gettext-0.18.2)
-dnl Copyright (C) 1996-2003, 2009-2012 Free Software Foundation, Inc.
+# lib-ld.m4 serial 9
+dnl Copyright (C) 1996-2003, 2009-2018 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.
dnl Subroutines of libtool.m4,
-dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
-dnl with libtool.m4.
+dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
+dnl collision with libtool.m4.
-dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no.
AC_DEFUN([AC_LIB_PROG_LD_GNU],
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
-[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
case `$LD -v 2>&1 </dev/null` in
*GNU* | *'with BFD'*)
- acl_cv_prog_gnu_ld=yes ;;
+ acl_cv_prog_gnu_ld=yes
+ ;;
*)
- acl_cv_prog_gnu_ld=no ;;
+ acl_cv_prog_gnu_ld=no
+ ;;
esac])
with_gnu_ld=$acl_cv_prog_gnu_ld
])
-dnl From libtool-1.4. Sets the variable LD.
+dnl From libtool-2.4. Sets the variable LD.
AC_DEFUN([AC_LIB_PROG_LD],
-[AC_ARG_WITH([gnu-ld],
-[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
-test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
-AC_REQUIRE([AC_PROG_CC])dnl
+[AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
+
+AC_ARG_WITH([gnu-ld],
+ [AS_HELP_STRING([--with-gnu-ld],
+ [assume the C compiler uses GNU ld [default=no]])],
+ [test "$withval" = no || with_gnu_ld=yes],
+ [with_gnu_ld=no])dnl
+
# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
|| PATH_SEPARATOR=';'
}
fi
-ac_prog=ld
-if test "$GCC" = yes; then
- # Check if gcc -print-prog-name=ld gives a path.
- AC_MSG_CHECKING([for ld used by GCC])
- case $host in
- *-*-mingw*)
- # gcc leaves a trailing carriage return which upsets mingw
- ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
- *)
- ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
- esac
- case $ac_prog in
- # Accept absolute paths.
- [[\\/]* | [A-Za-z]:[\\/]*)]
- [re_direlt='/[^/][^/]*/\.\./']
- # Canonicalize the path of ld
- ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
- while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
- ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
- done
- test -z "$LD" && LD="$ac_prog"
- ;;
- "")
- # If it fails, then pretend we aren't using GCC.
- ac_prog=ld
- ;;
- *)
- # If it is relative, then search for the first ld in PATH.
- with_gnu_ld=unknown
- ;;
- esac
+
+if test -n "$LD"; then
+ AC_MSG_CHECKING([for ld])
+elif test "$GCC" = yes; then
+ AC_MSG_CHECKING([for ld used by $CC])
elif test "$with_gnu_ld" = yes; then
AC_MSG_CHECKING([for GNU ld])
else
AC_MSG_CHECKING([for non-GNU ld])
fi
-AC_CACHE_VAL([acl_cv_path_LD],
-[if test -z "$LD"; then
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
- for ac_dir in $PATH; do
- test -z "$ac_dir" && ac_dir=.
- if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
- acl_cv_path_LD="$ac_dir/$ac_prog"
- # Check to see if the program is GNU ld. I'd rather use --version,
- # but apparently some GNU ld's only accept -v.
- # Break only if it was the GNU/non-GNU ld that we prefer.
- case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
- *GNU* | *'with BFD'*)
- test "$with_gnu_ld" != no && break ;;
- *)
- test "$with_gnu_ld" != yes && break ;;
+if test -n "$LD"; then
+ # Let the user override the test with a path.
+ :
+else
+ AC_CACHE_VAL([acl_cv_path_LD],
+ [
+ acl_cv_path_LD= # Final result of this test
+ ac_prog=ld # Program to search in $PATH
+ if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ acl_output=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $acl_output in
+ # Accept absolute paths.
+ [[\\/]]* | ?:[[\\/]]*)
+ re_direlt='/[[^/]][[^/]]*/\.\./'
+ # Canonicalize the pathname of ld
+ acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'`
+ while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do
+ acl_output=`echo $acl_output | sed "s%$re_direlt%/%"`
+ done
+ # Got the pathname. No search in PATH is needed.
+ acl_cv_path_LD="$acl_output"
+ ac_prog=
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
esac
fi
- done
- IFS="$ac_save_ifs"
-else
- acl_cv_path_LD="$LD" # Let the user override the test with a path.
-fi])
-LD="$acl_cv_path_LD"
+ if test -n "$ac_prog"; then
+ # Search for $ac_prog in $PATH.
+ acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH; do
+ IFS="$acl_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ acl_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some variants of GNU ld only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+ test "$with_gnu_ld" != no && break
+ ;;
+ *)
+ test "$with_gnu_ld" != yes && break
+ ;;
+ esac
+ fi
+ done
+ IFS="$acl_save_ifs"
+ fi
+ case $host in
+ *-*-aix*)
+ AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE(
+ [[#if defined __powerpc64__ || defined _ARCH_PPC64
+ int ok;
+ #else
+ error fail
+ #endif
+ ]])],
+ [# The compiler produces 64-bit code. Add option '-b64' so that the
+ # linker groks 64-bit object files.
+ case "$acl_cv_path_LD " in
+ *" -b64 "*) ;;
+ *) acl_cv_path_LD="$acl_cv_path_LD -b64" ;;
+ esac
+ ], [])
+ ;;
+ sparc64-*-netbsd*)
+ AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE(
+ [[#if defined __sparcv9 || defined __arch64__
+ int ok;
+ #else
+ error fail
+ #endif
+ ]])],
+ [],
+ [# The compiler produces 32-bit code. Add option '-m elf32_sparc'
+ # so that the linker groks 32-bit object files.
+ case "$acl_cv_path_LD " in
+ *" -m elf32_sparc "*) ;;
+ *) acl_cv_path_LD="$acl_cv_path_LD -m elf32_sparc" ;;
+ esac
+ ])
+ ;;
+ esac
+ ])
+ LD="$acl_cv_path_LD"
+fi
if test -n "$LD"; then
AC_MSG_RESULT([$LD])
else
AC_MSG_RESULT([no])
+ AC_MSG_ERROR([no acceptable ld found in \$PATH])
fi
-test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_LIB_PROG_LD_GNU
])