Add A profile only multilib make file fragment.

2013-10-15  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/t-aprofile: New file.
	* config.gcc: Handle --with-multilib-list option.


Co-Authored-By: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>

From-SVN: r203603

gcc/ChangeLog

+2013-10-15  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
+	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+	* config/arm/t-aprofile: New file.
+	* config.gcc: Handle --with-multilib-list option.
+
 2013-10-15  Bernd Schmidt  <bernds@codesourcery.com>
 
 	* reload1.c (reloads_unique_chain_p): Ensure that r1 is the input for

gcc/config.gcc

@@ -3499,6 +3499,43 @@ case "${target}" in
 		if test "x$with_arch" != x && test "x$with_cpu" != x; then
 			echo "Warning: --with-arch overrides --with-cpu=$with_cpu" 1>&2
 		fi
+
+		# Add extra multilibs
+		if test "x$with_multilib_list" != x; then
+			arm_multilibs=`echo $with_multilib_list | sed -e 's/,/ /g'`
+			for arm_multilib in ${arm_multilibs}; do
+				case ${arm_multilib} in
+				aprofile)
+				# Note that arm/t-aprofile is a
+				# stand-alone make file fragment to be
+				# used only with itself.  We do not
+				# specifically use the
+				# TM_MULTILIB_OPTION framework because
+				# this shorthand is more
+				# pragmatic. Additionally it is only
+				# designed to work without any
+				# with-cpu, with-arch with-mode
+				# with-fpu or with-float options.
+					if test "x$with_arch" != x \
+					    || test "x$with_cpu" != x \
+					    || test "x$with_float" != x \
+					    || test "x$with_fpu" != x \
+					    || test "x$with_mode" != x ; then
+					    echo "Error: You cannot use any of --with-arch/cpu/fpu/float/mode with --with-multilib-list=aprofile" 1>&2
+					    exit 1
+					fi
+					tmake_file="${tmake_file} arm/t-aprofile"
+					break
+					;;
+				default)
+					;;
+				*)
+					echo "Error: --with-multilib-list=${with_multilib_list} not supported." 1>&2
+					exit 1
+					;;
+				esac
+			done
+		fi
 		;;
 
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