Adding Rosegarden music editor; builds succesfully, starts, but frequently segfaults. I temporarily give up

svn path=/nixpkgs/trunk/; revision=25527

pkgs/misc/rosegarden/default.nix

@@ -0,0 +1,59 @@
+x@{builderDefsPackage
+  , automake, pkgconfig, libX11, libSM, imake, qt4, alsaLib, jackaudio
+  , ladspaH, liblrdf, dssi, liblo, fftwSinglePrec, libsndfile, libsamplerate
+  , xproto, libICE, perl, makedepend, librdf_raptor, lilypond, flac, libunwind
+  , ...}:
+builderDefsPackage
+(a :  
+let 
+  helperArgNames = ["stdenv" "fetchurl" "builderDefsPackage"] ++ 
+    [];
+
+  buildInputs = map (n: builtins.getAttr n x)
+    (builtins.attrNames (builtins.removeAttrs x helperArgNames));
+  sourceInfo = rec {
+    baseName="rosegarden";
+    version="10.10";
+    project="${baseName}";
+    name="${baseName}-${version}";
+    url="mirror://sourceforge/project/${project}/${baseName}/${version}/${name}.tar.bz2";
+    hash="1ia74kzkw1yr3h8q4lrccx49hcy2961rni3h4css7r6hdl9xq909";
+  };
+in
+rec {
+  src = a.fetchurl {
+    url = sourceInfo.url;
+    sha256 = sourceInfo.hash;
+  };
+
+  inherit (sourceInfo) name version;
+  inherit buildInputs;
+
+  /* doConfigure should be removed if not needed */
+  phaseNames = ["doConfigure" "doMakeInstall"];
+      
+  configureFlags = [
+    "--with-qtdir=${qt4}"
+  ];
+
+  setVars = a.noDepEntry ''
+    export NIX_LDFLAGS="$NIX_LDFLAGS -lz -ldl -lX11"
+  '';
+
+  meta = {
+    description = "A music editor and MIDI sequencer";
+    maintainers = with a.lib.maintainers;
+    [
+      raskin
+    ];
+    platforms = with a.lib.platforms;
+      linux;
+    license = a.lib.licenses.gpl2;
+  };
+  passthru = {
+    updateInfo = {
+      downloadPage = "http://sourceforge.net/projects/rosegarden/files/rosegarden/";
+    };
+  };
+}) x
+