libpng 12: Don't use stdenv ? cross

authored by hsloan and committed by John Ericson bdbdb08e a9c90df1

+5 -3
+5 -3
pkgs/development/libraries/libpng/12.nix
··· 1 - { stdenv, fetchurl, zlib }: 1 + { stdenv, fetchurl, zlib 2 + , buildPlatform, hostPlatform 3 + }: 2 4 3 - assert !(stdenv ? cross) -> zlib != null; 5 + assert hostPlatform == buildPlatform -> zlib != null; 4 6 5 7 stdenv.mkDerivation rec { 6 8 name = "libpng-1.2.57"; ··· 16 18 17 19 passthru = { inherit zlib; }; 18 20 19 - crossAttrs = stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") { 21 + crossAttrs = stdenv.lib.optionalAttrs (hostPlatform.libc == "libSystem") { 20 22 propagatedBuildInputs = []; 21 23 passthru = {}; 22 24 };