diff --git a/sys-libs/mesa/mesa-9.1.1.bep b/sys-libs/mesa/mesa-9.1.1.bep
index 573804871..411a60acc 100644
--- a/sys-libs/mesa/mesa-9.1.1.bep
+++ b/sys-libs/mesa/mesa-9.1.1.bep
@@ -13,7 +13,7 @@ DEPEND="scons, llvm >= 3.2"
 CHECKSUM_MD5="6ea2bdc3b7ecfb4257b39814b4182580"
 MESSAGE="This port only builds with gcc4. Not for general use."
 BUILD {
-	export DEBUG=1
+	export DEBUG=0
 	echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
 	echo "This generates a Mesa3D build package for Haiku... not for general use"
 	echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
diff --git a/sys-libs/mesa/patches/mesa-9.1.1.patch b/sys-libs/mesa/patches/mesa-9.1.1.patch
new file mode 100644
index 000000000..65aa229e8
--- /dev/null
+++ b/sys-libs/mesa/patches/mesa-9.1.1.patch
@@ -0,0 +1,12 @@
+diff -Naur Mesa-9.1.1/src/mesa/main/execmem.c Mesa-9.1.1-haiku/src/mesa/main/execmem.c
+--- Mesa-9.1.1/src/mesa/main/execmem.c	2013-03-20 00:14:38.014417920 +0000
++++ Mesa-9.1.1-haiku/src/mesa/main/execmem.c	2013-04-27 00:42:08.707264512 +0000
+@@ -36,7 +36,7 @@
+ 
+ 
+ 
+-#if defined(__linux__) || defined(__OpenBSD__) || defined(_NetBSD__) || defined(__sun)
++#if defined(__linux__) || defined(__OpenBSD__) || defined(_NetBSD__) || defined(__sun) || defined(__HAIKU__)
+ 
+ /*
+  * Allocate a large block of memory which can hold code then dole it out