{ callPackage, fetchurl, ... } @ args: callPackage ./generic.nix (args // rec { version = "1.57.0"; src = fetchurl { url = "mirror://sourceforge/boost/boost_1_57_0.tar.bz2"; sha256 = "0rs94vdmg34bwwj23fllva6mhrml2i7mvmlb11zyrk1k5818q34i"; }; })