1{ stdenv, buildPackages, fetchurl, bison, m4
2, fetchpatch, autoreconfHook, help2man
3}:
4
5stdenv.mkDerivation rec {
6 name = "flex-${version}";
7 version = "2.6.4";
8
9 src = fetchurl {
10 url = "https://github.com/westes/flex/releases/download/v${version}/flex-${version}.tar.gz";
11 sha256 = "15g9bv236nzi665p9ggqjlfn4dwck5835vf0bbw2cz7h5c1swyp8";
12 };
13
14 # Also upstream, will be part of 2.6.5
15 # https://github.com/westes/flex/commit/24fd0551333e
16 patches = [(fetchpatch {
17 name = "glibc-2.26.patch";
18 url = "https://raw.githubusercontent.com/lede-project/source/0fb14a2b1ab2f82c"
19 + "/tools/flex/patches/200-build-AC_USE_SYSTEM_EXTENSIONS-in-configure.ac.patch";
20 sha256 = "1aarhcmz7mfrgh15pkj6f7ikxa2m0mllw1i1vscsf1kw5d05lw6f";
21 })];
22
23 postPatch = ''
24 patchShebangs tests
25 '' + stdenv.lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
26 substituteInPlace Makefile.in --replace "tests" " "
27
28 substituteInPlace doc/Makefile.am --replace 'flex.1: $(top_srcdir)/configure.ac' 'flex.1: '
29 '';
30
31 depsBuildBuild = [ buildPackages.stdenv.cc ];
32 nativeBuildInputs = [ autoreconfHook help2man ];
33 buildInputs = [ bison ];
34 propagatedBuildInputs = [ m4 ];
35
36 preConfigure = stdenv.lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
37 "ac_cv_func_malloc_0_nonnull=yes"
38 "ac_cv_func_realloc_0_nonnull=yes"
39 ];
40
41 postConfigure = stdenv.lib.optionalString (stdenv.isDarwin || stdenv.isCygwin) ''
42 sed -i Makefile -e 's/-no-undefined//;'
43 '';
44
45 dontDisableStatic = stdenv.buildPlatform != stdenv.hostPlatform;
46
47 meta = with stdenv.lib; {
48 homepage = https://github.com/westes/flex;
49 description = "A fast lexical analyser generator";
50 license = licenses.bsd2;
51 platforms = platforms.unix;
52 };
53}