--- libusb.SlackBuild	2006-08-07 18:39:26.000000000 -0400
+++ libusb.SlackBuild.s390x	2007-01-16 18:54:28.000000000 -0500
@@ -13,7 +13,7 @@
   SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
 elif [ "$ARCH" = "i486" ]; then
   SLKCFLAGS="-O2 -march=i486 -mtune=i686"
-elif [ "$ARCH" = "s390" ]; then
+elif [ "$ARCH" = "s390x" ]; then
   SLKCFLAGS="-O2"
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2"
@@ -30,6 +30,7 @@
 # that other archs need it still, but vanilla upstream is
 # working on ia32 just fine.
 #zcat $CWD/libusb_0.1.12-2.diff.gz | patch -p1
+cat $CWD/doc.makefile.in.diff | patch -p1 || exit 1
 
 chown -R root:root .
 find . -perm 666 -exec chmod 644 {} \;
@@ -46,9 +47,10 @@
 
 CFLAGS="$SLKCFLAGS" \
 ./configure \
-  --prefix=/usr
+  --prefix=/usr \
+  --libdir='${exec_prefix}/lib64'
 
-make -j3 || exit 1
+make -k -j3
 make install DESTDIR=$PKG
 
 ( cd $PKG