diff -Naur valgrind-3.7.0.orig//mpi/Makefile.am valgrind-3.7.0/mpi/Makefile.am
--- valgrind-3.7.0.orig/mpi/Makefile.am	2011-10-26 17:24:23.000000000 -0400
+++ valgrind-3.7.0/mpi/Makefile.am	2011-11-10 16:03:14.000000000 -0500
@@ -7,9 +7,6 @@
 CC = $(MPI_CC)
 DEFS =
 DEFAULT_INCLUDES =
-CPPFLAGS =
-CFLAGS =
-LDFLAGS =
 
 EXTRA_DIST = \
 	mpiwrap_type_test.c