diff --git a/pkgs/development/tools/parsing/flex/default.nix b/pkgs/development/tools/parsing/flex/default.nix index c386c2be476..24303fd6a53 100644 --- a/pkgs/development/tools/parsing/flex/default.nix +++ b/pkgs/development/tools/parsing/flex/default.nix @@ -4,6 +4,7 @@ assert yacc != null; stdenv.mkDerivation { name = "flex-2.5.4a"; + builder = ./builder.sh; src = fetchurl { url = http://catamaran.labs.cs.uu.nl/dist/tarballs/flex-2.5.4a.tar.gz; md5 = "bd8753d0b22e1f4ec87a553a73021adf";