{stdenv, fetchurl}: assert stdenv.isLinux; stdenv.mkDerivation { name = "linux-headers-2.6.21.3"; builder = ./builder.sh; src = fetchurl { url = "http://ftp.de.kernel.org/pub/linux/kernel/v2.6/linux-2.6.21.3.tar.bz2"; sha256 = "17rxvw42z4amijb8nya54c2h6bb8gnxnr628arv8shmsccf8qsp5"; }; platform = if stdenv.system == "i686-linux" then "i386" else if stdenv.system == "x86_64-linux" then "x86_64" else if stdenv.system == "powerpc-linux" then "powerpc" else abort "don't know what the kernel include directory is called for this platform"; extraIncludeDirs = if stdenv.system == "powerpc-linux" then ["ppc"] else []; }