diff --git a/dev-lang/yasm/yasm-0.7.1-haiku.diff b/dev-lang/yasm/yasm-0.7.1-haiku.diff
new file mode 100644
index 000000000..a108e7eb8
--- /dev/null
+++ b/dev-lang/yasm/yasm-0.7.1-haiku.diff
@@ -0,0 +1,12 @@
+diff -urN yasm-0.7.1/util.h yasm-0.7.1-haiku/util.h
+--- yasm-0.7.1/util.h	2008-05-15 01:35:11.000000000 +0000
++++ yasm-0.7.1-haiku/util.h	2008-09-26 11:19:12.000000000 +0000
+@@ -116,7 +116,7 @@
+ # define USE_OUR_OWN_STRCASECMP
+ #endif
+ 
+-#if !defined(HAVE_TOASCII) || defined(lint)
++#if (!defined(HAVE_TOASCII) || defined(lint)) && !defined(__HAIKU__)
+ # define toascii(c) ((c) & 0x7F)
+ #endif
+ 
diff --git a/dev-lang/yasm/yasm-0.7.1.bep b/dev-lang/yasm/yasm-0.7.1.bep
new file mode 100644
index 000000000..1c1a68845
--- /dev/null
+++ b/dev-lang/yasm/yasm-0.7.1.bep
@@ -0,0 +1,19 @@
+DESCRIPTION="Yasm assembler" 
+HOMEPAGE="http://www.tortall.net/projects/yasm/" 
+SRC_URI="http://www.tortall.net/projects/yasm/releases/yasm-0.7.1.tar.gz"
+REVISION="1"
+STATUS_R5="untested"
+STATUS_BONE="untested"
+STATUS_HAIKU="stable"
+DEPEND=""
+BUILD {
+	cd yasm-0.7.1
+	cp /boot/home/config/share/libtool/config.guess .
+       cp /boot/home/config/share/libtool/config.sub .
+       ./configure --prefix=/boot/common LDFLAGS=-L/boot/common/lib CPPFLAG=-I/boot/common/include
+       make
+}
+
+INSTALL {
+       make install
+}