pyrox.dev
lol
1{ stdenv, fetchurl, bison, m4 }:
2
3stdenv.mkDerivation rec {
4 name = "flex-${version}";
5 version = "2.6.4";
6
7 src = fetchurl {
8 url = "https://github.com/westes/flex/releases/download/v${version}/flex-${version}.tar.gz";
9 sha256 = "15g9bv236nzi665p9ggqjlfn4dwck5835vf0bbw2cz7h5c1swyp8";
10 };
11
12 buildInputs = [ bison ];
13
14 propagatedNativeBuildInputs = [ m4 ];
15
16 postConfigure = stdenv.lib.optionalString (stdenv.isDarwin || stdenv.isCygwin) ''
17 sed -i Makefile -e 's/-no-undefined//;'
18 '';
19
20 crossAttrs = {
21
22 # disable tests which can't run on build machine
23 postPatch = ''
24 substituteInPlace Makefile.in --replace "tests" " ";
25 '';
26
27 preConfigure = ''
28 export ac_cv_func_malloc_0_nonnull=yes
29 export ac_cv_func_realloc_0_nonnull=yes
30 '';
31 };
32
33 meta = {
34 homepage = https://github.com/westes/flex;
35 description = "A fast lexical analyser generator";
36 platforms = stdenv.lib.platforms.unix;
37 };
38}