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
log4cxx is broken on GCC 4.3. svn path=/nixpkgs/branches/stdenv-updates/; revision=14821
svn path=/nixpkgs/trunk/; revision=14044