Adding -fPIC code for static library code in perl and vxl, for x86_64.

svn path=/nixpkgs/trunk/; revision=14526

pkgs/development/libraries/vxl/default.nix

@@ -9,6 +9,12 @@ stdenv.mkDerivation {
 
   buildInputs = [ cmake unzip libtiff expat zlib libpng libjpeg ];
 
+  cmakeFlags = if (stdenv.system == "x86_64-linux") then
+      "-DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_C_FLAGS=-fPIC"
+    else
+      "";
+    
+
   meta = {
     description = "C++ Libraries for Computer Vision Research and Implementation";
     homepage = http://vxl.sourceforge.net/;