diff -up lwp-2.6/src/lwp.c.system-valgrind lwp-2.6/src/lwp.c
--- lwp-2.6/src/lwp.c.system-valgrind	2014-12-02 15:39:10.946093997 -0500
+++ lwp-2.6/src/lwp.c	2014-12-02 15:48:07.430940643 -0500
@@ -64,7 +64,7 @@ Pittsburgh, PA.
 #include "lwp_ucontext.h"
 #include "lwp_stacktrace.h"
 
-#include "valgrind.h"
+#include <valgrind/valgrind.h>
 
 #define  ON	    1
 #define  OFF	    0
diff -up lwp-2.6/src/Makefile.am.system-valgrind lwp-2.6/src/Makefile.am
--- lwp-2.6/src/Makefile.am.system-valgrind	2014-12-02 15:48:14.630898704 -0500
+++ lwp-2.6/src/Makefile.am	2014-12-02 15:48:23.934844509 -0500
@@ -8,7 +8,7 @@ LDADD = liblwp.la
 
 liblwp_la_SOURCES = fasttime.c iomgr.c lock.c lwp.c timer.c process.S \
 		    lwp_ucontext.c lwp_ucontext.h lwp_stacktrace.c \
-		    lwp_stacktrace.h lwp.private.h valgrind.h
+		    lwp_stacktrace.h lwp.private.h
 liblwp_la_CPPFLAGS = $(AM_CPPFLAGS) -DLWPDEBUG
 liblwp_la_LDFLAGS = $(LIBTOOL_LDFLAGS)
 
diff -up lwp-2.6/src/Makefile.in.system-valgrind lwp-2.6/src/Makefile.in
--- lwp-2.6/src/Makefile.in.system-valgrind	2014-12-02 15:48:29.290813311 -0500
+++ lwp-2.6/src/Makefile.in	2014-12-02 15:48:38.838757695 -0500
@@ -262,7 +262,7 @@ AM_CPPFLAGS = -I$(top_srcdir)/include
 LDADD = liblwp.la
 liblwp_la_SOURCES = fasttime.c iomgr.c lock.c lwp.c timer.c process.S \
 		    lwp_ucontext.c lwp_ucontext.h lwp_stacktrace.c \
-		    lwp_stacktrace.h lwp.private.h valgrind.h
+		    lwp_stacktrace.h lwp.private.h
 
 liblwp_la_CPPFLAGS = $(AM_CPPFLAGS) -DLWPDEBUG
 liblwp_la_LDFLAGS = $(LIBTOOL_LDFLAGS)