nixpkgs/pkgs/development/tools/parsing/flex/2.5.35.nix
2017-07-30 09:46:13 +02:00

31 lines
778 B
Nix

{ stdenv, fetchurl, bison, m4 }:
stdenv.mkDerivation rec {
name = "flex-2.5.35";
src = fetchurl {
# Deleted from original SourceForge and GitHub only provides generated file.
# Note: binary cache still seems to serve it, too.
url = "http://downloads.openwrt.org/sources/${name}.tar.bz2";
sha256 = "0ysff249mwhq0053bw3hxh58djc0gy7vjan2z1krrf9n5d5vvv0b";
};
buildInputs = [ bison ];
propagatedNativeBuildInputs = [ m4 ];
crossAttrs = {
preConfigure = ''
export ac_cv_func_malloc_0_nonnull=yes
export ac_cv_func_realloc_0_nonnull=yes
'';
};
meta = {
branch = "2.5.35";
homepage = http://flex.sourceforge.net/;
description = "A fast lexical analyser generator";
platforms = stdenv.lib.platforms.unix;
};
}