diff --git a/yaboot/yaboot-1.3.15-05122010.tar.gz b/yaboot/yaboot-1.3.15-05122010.tar.gz
new file mode 100644
index 0000000..568fa96
Binary files /dev/null and b/yaboot/yaboot-1.3.15-05122010.tar.gz differ
diff --git a/yaboot/yaboot-32bitbuild.patch b/yaboot/yaboot-32bitbuild.patch
new file mode 100644
index 0000000..76e3fa7
--- /dev/null
+++ b/yaboot/yaboot-32bitbuild.patch
@@ -0,0 +1,12 @@
+diff -urN yaboot-1.3.15-05122010/Makefile yaboot-1.3.15-05122010-32bit/Makefile
+--- yaboot-1.3.15-05122010/Makefile	2010-05-12 16:09:10.000000000 -0400
++++ yaboot-1.3.15-05122010-32bit/Makefile	2010-05-12 18:02:04.000000000 -0400
+@@ -35,7 +35,7 @@
+ 
+ # The flags for the yaboot binary.
+ #
+-YBCFLAGS = -Os $(CFLAGS) -nostdinc -Wall -isystem `$(CC) -m32 -print-file-name=include` -fsigned-char
++YBCFLAGS = -Os -m32 $(CFLAGS) -nostdinc -Wall -isystem `$(CC) -m32 -print-file-name=include` -fsigned-char
+ YBCFLAGS += -DVERSION=\"${VERSION}${VERSIONEXTRA}\"	#"
+ YBCFLAGS += -DTEXTADDR=$(TEXTADDR) -DDEBUG=$(DEBUG)
+ YBCFLAGS += -DMALLOCADDR=$(MALLOCADDR) -DMALLOCSIZE=$(MALLOCSIZE)
diff --git a/yaboot/yaboot-skipmac.patch b/yaboot/yaboot-skipmac.patch
new file mode 100644
index 0000000..31dc167
--- /dev/null
+++ b/yaboot/yaboot-skipmac.patch
@@ -0,0 +1,18 @@
+diff -urN yaboot-1.3.15-05122010/second/yaboot.c yaboot-1.3.15-05122010-skipmac/second/yaboot.c
+--- yaboot-1.3.15-05122010/second/yaboot.c	2010-05-12 16:09:10.000000000 -0400
++++ yaboot-1.3.15-05122010-skipmac/second/yaboot.c	2010-05-12 17:47:55.000000000 -0400
+@@ -481,12 +481,14 @@
+      if (!fspec.file)
+ 	  goto out;
+ 
++     /*
+      sprintf(fspec.file, "%s%02x-", cfgpath, packet->htype);
+      strcat(fspec.file, prom_get_mac(packet));
+ 
+      rc = load_config_file(&fspec);
+      if (rc)
+ 	  goto out;
++     */
+ 
+      /*
+       * Now try to match on IP.
diff --git a/yaboot/yaboot-xcat.spec b/yaboot/yaboot-xcat.spec
index e5b1856..35a9bb0 100644
--- a/yaboot/yaboot-xcat.spec
+++ b/yaboot/yaboot-xcat.spec
@@ -1,16 +1,16 @@
 %define pkg yaboot-xcat
-%define ver 1.3.14
+%define ver 1.3.15
 
 Summary: yaboot binary for tftp server
 Name: %{pkg}
 Version: %{ver}
-Release: 2
+Release: 05122010
 Group: System/Administration
 License: GPL2
 URL: http://yaboot.ozlabs.org/
-Source: http://yaboot.ozlabs.org/releases/yaboot-1.3.14.tar.gz
-Patch0: yaboot-fixes.patch
-Patch1: yaboot-buf-expand.patch
+Source: yaboot-%{ver}-%{release}.tar.gz
+Patch0: yaboot-skipmac.patch
+Patch1: yaboot-32bitbuild.patch
 BuildRoot: %{_tmppath}/%{pkg}-buildroot
 Prefix: %{_prefix}
 BuildArch: noarch
@@ -22,7 +22,7 @@ ppc nodes.
 
 %prep
 %{__rm} -rf %{buildroot}
-%setup -q -n yaboot-%{ver}
+%setup -q -n yaboot-%{ver}-%{release}
 %patch0 -p1
 %patch1 -p1