sfm: fix cross-compilation

+2
+2
pkgs/applications/misc/sfm/default.nix
··· 15 16 postPatch = lib.optionalString (conf!=null) "cp ${configFile} config.def.h"; 17 18 installFlags = [ "PREFIX=$(out)" ]; 19 20 meta = with lib; {
··· 15 16 postPatch = lib.optionalString (conf!=null) "cp ${configFile} config.def.h"; 17 18 + makeFlags = [ "CC:=$(CC)" ]; 19 + 20 installFlags = [ "PREFIX=$(out)" ]; 21 22 meta = with lib; {