diff --git a/dev-libs/libxml2/libxml2-2.7.0-haiku.diff b/dev-libs/libxml2/libxml2-2.7.0-haiku.diff
new file mode 100644
index 000000000..6bbb44a31
--- /dev/null
+++ b/dev-libs/libxml2/libxml2-2.7.0-haiku.diff
@@ -0,0 +1,13 @@
+diff -urN libxml2-2.7.0/configure.in libxml2-2.7.0-haiku/configure.in
+--- libxml2-2.7.0/configure.in	2008-08-30 07:38:39.000000000 -0700
++++ libxml2-2.7.0-haiku/configure.in	2008-08-30 14:20:06.000000000 -0700
+@@ -1255,6 +1255,9 @@
+ 	;;
+ 	*beos*) M_LIBS=""
+ 	;;
++	*haiku*) M_LIBS=""
++	;;
++
+ 	*) M_LIBS="-lm"
+ 	;;
+ esac