--- rdesktop.SlackBuild	2008-05-27 22:49:40.000000000 -0400
+++ rdesktop.SlackBuild.s390x	2009-07-06 17:32:19.000000000 -0400
@@ -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"
@@ -73,7 +73,7 @@
   --build=$ARCH-slackware-linux
 
 # Build and install:
-make -j4 || exit 1
+make -j3 || exit 1
 make install DESTDIR=$PKG || exit 1
 
 # Strip binaries: