configure.in: Rework gas feature code to work with symlink based source trees.

        * configure.in: Rework gas feature code to work with symlink based
        source trees.

From-SVN: r21160

gcc/ChangeLog

@@ -6,6 +6,9 @@ Tue Jul 14 14:15:30 1998  Nick Clifton  <nickc@cygnus.com>
 
 Tue Jul 14 14:46:08 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* configure.in: Rework gas feature code to work with symlink based
+	source trees.
+
 	* extend.texi: Clarify some issues related to local variables
 	assigned to explicit registers.
 

gcc/configure.in

@@ -3326,12 +3326,13 @@ fi
 AC_MSG_CHECKING(assembler alignment features)
 gcc_cv_as=
 gcc_cv_as_alignment_features=
+gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,gcc$,gas,'`
 if [[ -x as$host_exeext ]]; then
 	# Build using assembler in the current directory.
 	gcc_cv_as=./as$host_exeext
-elif [[ -f $srcdir/../gas/configure.in ]]; then
+elif [[ -f $gcc_cv_as_gas_srcdir/configure.in ]]; then
 	# Single tree build which includes gas.
-	for f in $srcdir/../gas/configure $srcdir/../gas/configure.in $srcdir/../gas/Makefile.in
+	for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
 	do
 		gcc_cv_gas_version=`grep '^VERSION=[[0-9]]*\.[[0-9]]*' $f`
 		if [[ x$gcc_cv_gas_version != x ]]; then