acinclude.m4 (LIBCOMP_CHECK_LINKER_FEATURES): Set libgomp_ld_is_gold.

	* acinclude.m4 (LIBCOMP_CHECK_LINKER_FEATURES): Set
	libgomp_ld_is_gold.  Get gold version number.
	(LIBGOMP_ENABLE_SYMVERS): Gold always support symbol versioning.
	* configure: Rebuild.

From-SVN: r143822

libgomp/ChangeLog

+2009-01-30  Ian Lance Taylor  <iant@google.com>
+
+	* acinclude.m4 (LIBCOMP_CHECK_LINKER_FEATURES): Set
+	libgomp_ld_is_gold.  Get gold version number.
+	(LIBGOMP_ENABLE_SYMVERS): Gold always support symbol versioning.
+	* configure: Rebuild.
+
 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
 
         * testsuite/lib/libgomp.exp: Add -B option for targets that

libgomp/acinclude.m4

@@ -115,6 +115,7 @@ dnl  OPT_LDFLAGS='-Wl,-O1' if possible
 dnl  LD (as a side effect of testing)
 dnl Sets:
 dnl  with_gnu_ld
+dnl  libgomp_ld_is_gold (possibly)
 dnl  libgomp_gnu_ld_version (possibly)
 dnl
 dnl The last will be a single integer, e.g., version 1.23.45.0.67.89 will
@@ -146,9 +147,13 @@ AC_DEFUN([LIBGOMP_CHECK_LINKER_FEATURES], [
 
   # Start by getting the version number.  I think the libtool test already
   # does some of this, but throws away the result.
+  libgomp_ld_is_gold=no
+  if $LD --version 2>/dev/null | grep 'GNU gold'> /dev/null 2>&1; then
+    libgomp_ld_is_gold=yes
+  fi
   changequote(,)
   ldver=`$LD --version 2>/dev/null | head -1 | \
-         sed -e 's/GNU ld \(version \)\{0,1\}\(([^)]*) \)\{0,1\}\([0-9.][0-9.]*\).*/\3/'`
+         sed -e 's/GNU \(go\)\{0,1\}ld \(version \)\{0,1\}\(([^)]*) \)\{0,1\}\([0-9.][0-9.]*\).*/\4/'`
   changequote([,])
   libgomp_gnu_ld_version=`echo $ldver | \
          $AWK -F. '{ if (NF<3) [$]3=0; print ([$]1*100+[$]2)*100+[$]3 }'`
@@ -270,6 +275,8 @@ if test $enable_symvers = yes; then
   then
     if test $libgomp_gnu_ld_version -ge $libgomp_min_gnu_ld_version ; then
       enable_symvers=gnu
+    elif test $libgomp_ld_is_gold = yes ; then
+      enable_symvers=gnu
     else
       # The right tools, the right setup, but too old.  Fallbacks?
       AC_MSG_WARN(=== Linker version $libgomp_gnu_ld_version is too old for)

libgomp/configure

@@ -18481,9 +18481,13 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
   # Start by getting the version number.  I think the libtool test already
   # does some of this, but throws away the result.
+  libgomp_ld_is_gold=no
+  if $LD --version 2>/dev/null | grep 'GNU gold'> /dev/null 2>&1; then
+    libgomp_ld_is_gold=yes
+  fi
 
   ldver=`$LD --version 2>/dev/null | head -1 | \
-         sed -e 's/GNU ld \(version \)\{0,1\}\(([^)]*) \)\{0,1\}\([0-9.][0-9.]*\).*/\3/'`
+         sed -e 's/GNU \(go\)\{0,1\}ld \(version \)\{0,1\}\(([^)]*) \)\{0,1\}\([0-9.][0-9.]*\).*/\4/'`
 
   libgomp_gnu_ld_version=`echo $ldver | \
          $AWK -F. '{ if (NF<3) $3=0; print ($1*100+$2)*100+$3 }'`
@@ -18725,6 +18729,8 @@ if test $enable_symvers = yes; then
   then
     if test $libgomp_gnu_ld_version -ge $libgomp_min_gnu_ld_version ; then
       enable_symvers=gnu
+    elif test $libgomp_ld_is_gold = yes ; then
+      enable_symvers=gnu
     else
       # The right tools, the right setup, but too old.  Fallbacks?
       { echo "$as_me:$LINENO: WARNING: === Linker version $libgomp_gnu_ld_version is too old for" >&5