crossconfig.m4: Support spu-*-elf* targets.

	* crossconfig.m4: Support spu-*-elf* targets.
	* configure: Regenerate.

From-SVN: r208730

libstdc++-v3/ChangeLog

+2014-03-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* crossconfig.m4: Support spu-*-elf* targets.
+	* configure: Regenerate.
+
 2014-03-18  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/60564

libstdc++-v3/crossconfig.m4

@@ -28,6 +28,14 @@ case "${host}" in
     AC_DEFINE(HAVE_SQRTF)
     ;;
 
+  spu-*-elf*)
+    GLIBCXX_CHECK_COMPILER_FEATURES
+    GLIBCXX_CHECK_LINKER_FEATURES
+    GLIBCXX_CHECK_MATH_SUPPORT
+    GLIBCXX_CHECK_STDLIB_SUPPORT
+    AM_ICONV
+    ;;
+
   *-aix*)
     GLIBCXX_CHECK_LINKER_FEATURES
     GLIBCXX_CHECK_MATH_SUPPORT