diff -ur valgrind-3.8.1.orig/config.h.in valgrind-3.8.1/config.h.in
--- valgrind-3.8.1.orig/config.h.in	2013-09-25 22:52:25.980836795 +0200
+++ valgrind-3.8.1/config.h.in	2013-09-25 22:53:56.000000000 +0200
@@ -84,9 +84,6 @@
 /* Define to 1 if you have the <asm/unistd.h> header file. */
 #undef HAVE_ASM_UNISTD_H
 
-/* Define to 1 if as supports floating point phased out category. */
-#undef HAVE_AS_PPC_FPPO
-
 /* Define to 1 if as supports mtocrf/mfocrf. */
 #undef HAVE_AS_PPC_MFTOCRF
 
diff -ur valgrind-3.8.1.orig/configure valgrind-3.8.1/configure
--- valgrind-3.8.1.orig/configure	2013-09-25 22:52:26.344839791 +0200
+++ valgrind-3.8.1/configure	2013-09-25 22:54:01.976626186 +0200
@@ -8182,9 +8182,8 @@
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 if test x$ac_have_as_ppc_fpPO = xyes ; then
-
-$as_echo "#define HAVE_AS_PPC_FPPO 1" >>confdefs.h
-
+  { $as_echo "$as_me:${as_lineno-$LINENO}: HAVE_AS_PPC_FPPO found, but ignoring." >&5
+$as_echo "$as_me: HAVE_AS_PPC_FPPO found, but ignoring." >&6;}
 fi
 
 CFLAGS=$safe_CFLAGS
diff -ur valgrind-3.8.1.orig/configure.ac valgrind-3.8.1/configure.ac
--- valgrind-3.8.1.orig/configure.ac	2013-09-25 22:52:25.980836795 +0200
+++ valgrind-3.8.1/configure.in	2013-09-25 22:53:01.827131737 +0200
@@ -1740,7 +1740,7 @@
 AC_MSG_RESULT([no])
 ])
 if test x$ac_have_as_ppc_fpPO = xyes ; then
-  AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
+  AC_MSG_NOTICE([HAVE_AS_PPC_FPPO found, but ignoring.])
 fi
 
 CFLAGS=$safe_CFLAGS