diff --git a/libraries/cln/cln.SlackBuild b/libraries/cln/cln.SlackBuild
index 2cf18d2fc0..700434f2c7 100644
--- a/libraries/cln/cln.SlackBuild
+++ b/libraries/cln/cln.SlackBuild
@@ -22,7 +22,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=cln
-VERSION=1.2.2
+VERSION=1.3.1
 ARCH=${ARCH:-i486}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
@@ -36,10 +36,13 @@ set -e
 
 if [ "$ARCH" = "i486" ]; then
   SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
 fi
 
 rm -rf $PKG
@@ -55,6 +58,7 @@ CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
   ./configure \
   --prefix=/usr \
+  --libdir=/usr/lib${LIBDIRSUFFIX} \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --mandir=/usr/man \
@@ -69,7 +73,7 @@ make install DESTDIR=$PKG
 
 ( cd $PKG
   find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
-    xargs strip --strip-unneeded 2> /dev/null
+    xargs strip --strip-unneeded 2> /dev/null || true
   find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
     xargs strip --strip-unneeded 2> /dev/null
 )
@@ -77,9 +81,6 @@ make install DESTDIR=$PKG
 rm -f $PKG/usr/info/dir
 gzip -9 $PKG/usr/info/*
 
-# Remove empty man dir
-rm -rf $PKG/usr/man
-
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/examples
 cp -a \
   COPYING INSTALL* NEWS README TODO \
@@ -87,17 +88,11 @@ cp -a \
 cp -a \
   examples/*.cc examples/*.1 \
     $PKG/usr/doc/$PRGNAM-$VERSION/examples
-# Move docs that ignore --docdir to their proper place
-mv $PKG/usr/share/html $PKG/usr/share/dvi/* $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
-# Everything that was in $PKG/usr/share has been moved to
-# $PKG/usr/doc/cln-$VERSION (or is empty at time of compression)
-rm -rf $PKG/usr/share/
-
 mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 cat $CWD/doinst.sh > $PKG/install/doinst.sh
 
 cd $PKG
-/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
diff --git a/libraries/cln/cln.info b/libraries/cln/cln.info
index a6c488c414..fcaa39da56 100644
--- a/libraries/cln/cln.info
+++ b/libraries/cln/cln.info
@@ -1,8 +1,10 @@
 PRGNAM="cln"
-VERSION="1.2.2"
+VERSION="1.3.1"
 HOMEPAGE="http://www.ginac.de/CLN"
-DOWNLOAD="ftp://ftpthep.physik.uni-mainz.de/pub/gnu/cln-1.2.2.tar.bz2"
-MD5SUM="6b479281fec86314b4c7a9357bd83ef8"
+DOWNLOAD="http://www.ginac.de/CLN/cln-1.3.1.tar.bz2"
+MD5SUM="ede584cb1cafa66d56f42a3cf420469d"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
 MAINTAINER="Andrew Psaltis"
 EMAIL="ampsaltis@gmail.com"
 APPROVED="rworkman"
diff --git a/libraries/cln/slack-desc b/libraries/cln/slack-desc
index a605235e95..739d82179c 100644
--- a/libraries/cln/slack-desc
+++ b/libraries/cln/slack-desc
@@ -15,5 +15,5 @@ cln: rationals, complex numbers and polynomials. The kernel is written in
 cln: assembly language. It uses garbage collection (automatic, without
 cln: imposing any burden on the main application). Many efficient
 cln: algorithms (i.e. for all transcendental functions) are implemented.
-cln: 
+cln:
 cln: Check out more at: http://www.ginac.de/CLN/