Updating meshlab.

Their build system has changed, and the source tree they distribute too, so the
dependencies changed a bit.
To get meshlab working, I update lib3ds and add levmar.

svn path=/nixpkgs/trunk/; revision=19595

pkgs/applications/graphics/meshlab/default.nix

@@ -1,6 +1,6 @@
-{stdenv, fetchurl, qt, bzip2}:
+{stdenv, fetchurl, qt, bzip2, lib3ds, levmar, muparser, unzip}:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "meshlab-1.2.2";
 
   src = fetchurl {
@@ -8,14 +8,29 @@ stdenv.mkDerivation {
     sha256 = "166a8mx72wf3r84pnpr0ssqkd2xw6y5brviywlj8rjk6w9cy8fdc";
   };
 
+  srcGlew151 = fetchurl {
+    url = http://dfn.dl.sourceforge.net/sourceforge/glew/glew-1.5.1-src.tgz;
+    sha256 = "02n1p6s6sia92fgng9iq0kqq890rga8d8g0y34mc6qxmbh43vrl9";
+  };
 
-  setSourceRoot = "sourceRoot=`pwd`/meshlab/src";
+  srcQHull20031 = fetchurl {
+    url = http://www.qhull.org/download/qhull-2003.1.zip;
+    sha256 = "07mh371i6xs691qz6wwzkqk9h0d2dkih2q818is2b041w1l79b46";
+  };
+
+
+  patchPhase = ''
+    cd meshlab/src
+    mkdir external
+    pushd external
+    tar xf ${srcGlew151}
+    mv glew glew-1.5.1
+    unzip ${srcQHull20031}
+    popd
+  '';
 
   buildPhase = ''
-    pushd external
-    qmake -recursive external.pro
-    make
-    popd
+    pwd
     qmake -recursive meshlabv12.pro
     make
   '';
@@ -28,7 +43,7 @@ stdenv.mkDerivation {
     ln -s $out/opt/meshlab/meshlab $out/bin/meshlab
   '';
 
-  buildInputs = [ qt bzip2 ];
+  buildInputs = [ qt bzip2 lib3ds levmar muparser unzip ];
 
   meta = {
     description = "System for the processing and editing of unstructured 3D triangular meshes";