--- libtheora.SlackBuild	2006-09-17 03:37:03.000000000 -0400
+++ libtheora.SlackBuild.s390x	2007-01-16 18:38:51.000000000 -0500
@@ -38,7 +38,7 @@
   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"
@@ -67,6 +67,7 @@
 CFLAGS="$SLKCFLAGS" \
 ./configure \
   --prefix=/usr \
+  --libdir=/usr/lib64 \
   --disable-static \
   $ARCH-slackware-linux