paths into NIX_CFLAGS_COMPILE. This helps build kde42 packages, because they have a broken FindQt4.cmake, which doesn't find properly the qt4 header files. svn path=/nixpkgs/trunk/; revision=15841
svn path=/nixpkgs/trunk/; revision=14341
svn path=/nixpkgs/trunk/; revision=14340
svn path=/nixpkgs/trunk/; revision=14044