diff --git a/pkgs/applications/science/biology/arb/default.nix b/pkgs/applications/science/biology/arb/default.nix
index d0feae803937..4a732e7750cc 100644
--- a/pkgs/applications/science/biology/arb/default.nix
+++ b/pkgs/applications/science/biology/arb/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   patches = [ ./makefile.patch ];
 
-  buildInputs = [ glew mesa libpng libXpm lesstif lynx freeglut libtiff rxp sablotron libXaw perl jdk transfig libX11 libXext libXt gv xfig gnuplot ];
+  buildInputs = [ glew mesa libpng libXpm lesstif lynx freeglut libtiff rxp sablotron libXaw perl jdk transfig libX11 libXext libXt gv gnuplot ];
 
   unpackPhase = ''
     tar xzf $src
@@ -34,19 +34,19 @@ stdenv.mkDerivation {
     cp -vau lib/pts $shareddir/lib
     rm -vrf lib/pts
     ln -vs $shareddir/lib/pts $out/lib/pts
-    chmod a+rwx -R $shareddir/lib/pts
+    chmod a+rwx $shareddir/lib/pts
     # link out writable shared location lib/nas/
     ensureDir $shareddir/lib/nas
     cp -vau lib/nas $shareddir/lib
     rm -vrf lib/nas
     ln -vs $shareddir/lib/nas $out/lib/nas
-    chmod a+rwx -R $shareddir/lib/nas
+    chmod a+rwx $shareddir/lib/nas
     # link out shared lib/pixmaps (not sure about this, yet):
     ensureDir $shareddir/lib/pixmaps
     cp -vau lib/pixmaps $shareddir/lib
     rm -vrf lib/pixmaps
     ln -vs $shareddir/lib/pixmaps $out/lib/pixmaps
-    chmod a+rwx -R $shareddir/lib/pixmaps
+    chmod a+rwx $shareddir/lib/pixmaps
     # bulk copy
     cp -vau * $out
     # replace arb script
diff --git a/pkgs/development/libraries/openmotif/default.nix b/pkgs/development/libraries/openmotif/default.nix
new file mode 100644
index 000000000000..cf9b059bd163
--- /dev/null
+++ b/pkgs/development/libraries/openmotif/default.nix
@@ -0,0 +1,32 @@
+args: with args;
+
+# this is the stable edition of OpenMotif - sources fetched from Debian, without
+# patches applied
+
+stdenv.mkDerivation {
+  name = "openmotif-2.2.3";
+  src = fetchurl {
+    url = http://ftp.de.debian.org/debian/pool/non-free/o/openmotif/openmotif_2.2.3.orig.tar.gz; 
+    sha256 = "0amd9834p1ajnin7c8f1gad2jl2csf69msxcpc10rzm2x27jigxi";
+  };
+
+  unpackPhase = ''
+    tar xzf $src
+    tar xzf openmotif-2.2.3.orig/dist/openMotif-2.2.3.tar.gz
+    rm -rf openmotif-2.2.3.orig
+    cd openMotif-2.2.3
+  '';
+
+  buildInputs = [flex perl];
+  propagatedBuildInputs = [x11 libXp libXau libXaw libXext xbitmaps];
+
+  CFLAGS="-fno-strict-aliasing";  # without this openmotif may segfault
+
+  meta = {
+    description = "Open source version of motif toolkit including aka libmotif3";
+    homepage = http://www.opengroup.org/openmotif/;
+    # Open motif is free for open source projects
+    license = "non-free";
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 16b6a9f1c737..93b71e8023a2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7361,7 +7361,7 @@ let
   arb = import ../applications/science/biology/arb {
     inherit fetchurl stdenv readline libpng zlib x11 lesstif93 freeglut perl;
     inherit (xlibs) libXpm libXaw libX11 libXext libXt;
-    inherit mesa glew libtiff lynx rxp sablotron jdk xfig transfig gv gnuplot;
+    inherit mesa glew libtiff lynx rxp sablotron jdk transfig gv gnuplot;
     lesstif = lesstif93;
   };