--- libstdc++-v3/libmath/stubs.c.jj	2005-11-21 08:43:21.000000000 -0500
+++ libstdc++-v3/libmath/stubs.c	2006-08-23 03:30:53.000000000 -0400
@@ -27,9 +27,38 @@
    invalidate any other reasons why the executable file might be covered by
    the GNU General Public License.  */
 
+#if defined __s390__ || defined __powerpc__
+/* Lie.  */
+#define __LONG_DOUBLE_128__ 1
+#endif
+
 #include <math.h>
 #include "config.h"
 
+#if defined __s390__ || defined __powerpc__
+#undef HAVE_ACOSL
+#undef HAVE_ASINL
+#undef HAVE_ATAN2L
+#undef HAVE_ATANL
+#undef HAVE_CEILL
+#undef HAVE_COSHL
+#undef HAVE_COSL
+#undef HAVE_EXPL
+#undef HAVE_FLOORL
+#undef HAVE_FMODL
+#undef HAVE_FREXPL
+#undef HAVE_LDEXPL
+#undef HAVE_LOG10L
+#undef HAVE_LOGL
+#undef HAVE_MODFL
+#undef HAVE_POWL
+#undef HAVE_SINHL
+#undef HAVE_SINL
+#undef HAVE_SQRTL
+#undef HAVE_TANHL
+#undef HAVE_TANL
+#endif
+
 /* For targets which do not have support for long double versions,
    we use the crude approximation.  We'll do better later.  */
 
@@ -273,6 +302,12 @@ hypotl(long double x, long double y)
   x /= s; y /= s;
   return s * sqrtl(x * x + y * y);
 }
+#elif (defined __s390__ || defined __powerpc__) && defined HAVE_HYPOT
+long double
+hypotl(long double x, long double y)
+{
+  return hypot((double) x, (double) y);
+}
 #endif