Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-ld.m4 |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-ld.m4 (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-ld.m4 (revision 0) |
@@ -0,0 +1,110 @@ |
+# lib-ld.m4 serial 3 (gettext-0.13) |
+dnl Copyright (C) 1996-2003 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 From libtool-1.4. Sets the variable with_gnu_ld to yes or no. |
+AC_DEFUN([AC_LIB_PROG_LD_GNU], |
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld, |
+[# I'd rather use --version here, but apparently some GNU ld's only accept -v. |
+case `$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=$acl_cv_prog_gnu_ld |
+]) |
+ |
+dnl From libtool-1.4. Sets the variable LD. |
+AC_DEFUN([AC_LIB_PROG_LD], |
+[AC_ARG_WITH(gnu-ld, |
+[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], |
+test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) |
+AC_REQUIRE([AC_PROG_CC])dnl |
+AC_REQUIRE([AC_CANONICAL_HOST])dnl |
+# Prepare PATH_SEPARATOR. |
+# The user is always right. |
+if test "${PATH_SEPARATOR+set}" != set; then |
+ echo "#! /bin/sh" >conf$$.sh |
+ echo "exit 0" >>conf$$.sh |
+ chmod +x conf$$.sh |
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then |
+ PATH_SEPARATOR=';' |
+ else |
+ PATH_SEPARATOR=: |
+ fi |
+ rm -f conf$$.sh |
+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 |
+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 ;; |
+ esac |
+ fi |
+ done |
+ IFS="$ac_save_ifs" |
+else |
+ acl_cv_path_LD="$LD" # Let the user override the test with a path. |
+fi]) |
+LD="$acl_cv_path_LD" |
+if test -n "$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 |
+]) |