diff -ur STLport-5.1.2.orig/stlport/stl/config/_gcc.h STLport-5.1.2/stlport/stl/config/_gcc.h
--- STLport-5.1.2.orig/stlport/stl/config/_gcc.h	2006-07-22 15:27:46.000000000 +0200
+++ STLport-5.1.2/stlport/stl/config/_gcc.h	2007-03-13 22:39:43.000000000 +0100
@@ -203,7 +203,7 @@
 #  endif
 #endif
 
-#if defined (__alpha__)
+#if defined (__alpha__) || defined (__powerpc__) || defined (__sparc__)
 #  define _STLP_NO_VENDOR_MATH_L
 #  define _STLP_NO_IEC559_SUPPORT
 #endif