mirror of
https://codeberg.org/cage/tinmop/
synced 2024-12-16 23:08:34 +01:00
120 lines
3.6 KiB
Plaintext
120 lines
3.6 KiB
Plaintext
# lib-ld.m4 serial 6
|
|
dnl Copyright (C) 1996-2003, 2009-2016 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/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
|
|
dnl collision with libtool.m4.
|
|
|
|
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 ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
|
|
[# I'd rather use --version here, but apparently some GNU lds only accept -v.
|
|
case `$LD -v 2>&1 </dev/null` in
|
|
*GNU* | *'with BFD'*)
|
|
acl_cv_prog_gnu_ld=yes
|
|
;;
|
|
*)
|
|
acl_cv_prog_gnu_ld=no
|
|
;;
|
|
esac])
|
|
with_gnu_ld=$acl_cv_prog_gnu_ld
|
|
])
|
|
|
|
dnl From libtool-2.4. Sets the variable LD.
|
|
AC_DEFUN([AC_LIB_PROG_LD],
|
|
[AC_REQUIRE([AC_PROG_CC])dnl
|
|
AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|
|
|
AC_ARG_WITH([gnu-ld],
|
|
[AS_HELP_STRING([--with-gnu-ld],
|
|
[assume the C compiler uses GNU ld [default=no]])],
|
|
[test "$withval" = no || with_gnu_ld=yes],
|
|
[with_gnu_ld=no])dnl
|
|
|
|
# Prepare PATH_SEPARATOR.
|
|
# The user is always right.
|
|
if test "${PATH_SEPARATOR+set}" != set; then
|
|
# Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
|
|
# contains only /bin. Note that ksh looks also at the FPATH variable,
|
|
# so we have to set that as well for the test.
|
|
PATH_SEPARATOR=:
|
|
(PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
|
|
&& { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
|
|
|| PATH_SEPARATOR=';'
|
|
}
|
|
fi
|
|
|
|
ac_prog=ld
|
|
if test "$GCC" = yes; then
|
|
# Check if gcc -print-prog-name=ld gives a path.
|
|
AC_MSG_CHECKING([for ld used by $CC])
|
|
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 $ac_prog in
|
|
# Accept absolute paths.
|
|
[[\\/]]* | ?:[[\\/]]*)
|
|
re_direlt='/[[^/]][[^/]]*/\.\./'
|
|
# Canonicalize the pathname of ld
|
|
ac_prog=`echo "$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
|
|
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
|
|
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"
|
|
else
|
|
acl_cv_path_LD="$LD" # Let the user override the test with a path.
|
|
fi])
|
|
LD="$acl_cv_path_LD"
|
|
if test -n "$LD"; then
|
|
AC_MSG_RESULT([$LD])
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
fi
|
|
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
|
|
AC_LIB_PROG_LD_GNU
|
|
])
|