diff --git a/media-libs/libvorbis/libvorbis-1.2.3-haiku.diff b/media-libs/libvorbis/libvorbis-1.2.3-haiku.diff
new file mode 100644
index 000000000..e3dea0b64
--- /dev/null
+++ b/media-libs/libvorbis/libvorbis-1.2.3-haiku.diff
@@ -0,0 +1,14 @@
+diff -urN libvorbis-1.2.3/configure.ac libvorbis-1.2.3-haiku/configure.ac
+--- libvorbis-1.2.3/configure.ac	2009-07-09 10:02:25.000000000 +0000
++++ libvorbis-1.2.3-haiku/configure.ac	2009-09-13 21:56:38.000000000 +0000
+@@ -185,6 +185,10 @@
+ 		DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
+ 		CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
+ 		PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
++ 	*-*-haiku*)
++		DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
++		CFLAGS="-O20 -Wall -D__NO_MATH_INLINES -fsigned-char"
++		PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
+  	*)
+ 		DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
+ 		CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"