nixpkgs/pkgs/development/tools/parsing/flex/2.6.1.nix
Vladimír Čunát cf1d3677d3
flex: bring back 2.6.1 as an option
Some breakages after flex update aren't so easy to fix,
and I can't really afford to spend much time on it ATM.
2017-01-06 16:17:46 +01:00

37 lines
917 B
Nix

{ stdenv, fetchurl, bison, m4 }:
stdenv.mkDerivation rec {
name = "flex-2.6.1";
src = fetchurl {
url = "https://github.com/westes/flex/releases/download/v2.6.1/flex-2.6.1.tar.gz";
sha256 = "0fy14c35yz2m1n1m4f02by3501fn0cca37zn7jp8lpp4b3kgjhrw";
};
buildInputs = [ bison ];
propagatedNativeBuildInputs = [ m4 ];
postConfigure = stdenv.lib.optionalString (stdenv.isDarwin || stdenv.isCygwin) ''
sed -i Makefile -e 's/-no-undefined//;'
'';
crossAttrs = {
# disable tests which can't run on build machine
postPatch = ''
substituteInPlace Makefile.in --replace "tests" " ";
'';
preConfigure = ''
export ac_cv_func_malloc_0_nonnull=yes
export ac_cv_func_realloc_0_nonnull=yes
'';
};
meta = {
homepage = https://github.com/westes/flex;
description = "A fast lexical analyser generator";
platforms = stdenv.lib.platforms.unix;
};
}