nixpkgs/pkgs/development/tools/parsing/flex/default.nix
Will Dietz cafe25224f flex: review feedback
* top-level attributes, not crossAttrs
* use depsBuildBuild
2018-01-22 18:44:42 -06:00

50 lines
1.7 KiB
Nix

{ stdenv, buildPackages, fetchurl, bison, m4
, fetchpatch, autoreconfHook, help2man
}:
stdenv.mkDerivation rec {
name = "flex-${version}";
version = "2.6.4";
src = fetchurl {
url = "https://github.com/westes/flex/releases/download/v${version}/flex-${version}.tar.gz";
sha256 = "15g9bv236nzi665p9ggqjlfn4dwck5835vf0bbw2cz7h5c1swyp8";
};
# Also upstream, will be part of 2.6.5
# https://github.com/westes/flex/commit/24fd0551333e
patches = [(fetchpatch {
name = "glibc-2.26.patch";
url = "https://raw.githubusercontent.com/lede-project/source/0fb14a2b1ab2f82c"
+ "/tools/flex/patches/200-build-AC_USE_SYSTEM_EXTENSIONS-in-configure.ac.patch";
sha256 = "1aarhcmz7mfrgh15pkj6f7ikxa2m0mllw1i1vscsf1kw5d05lw6f";
})];
postPatch = stdenv.lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
substituteInPlace Makefile.in --replace "tests" " "
substituteInPlace doc/Makefile.am --replace 'flex.1: $(top_srcdir)/configure.ac' 'flex.1: '
'';
depsBuildBuild = [ buildPackages.stdenv.cc ];
nativeBuildInputs = [ autoreconfHook help2man ];
buildInputs = [ bison ];
propagatedBuildInputs = [ m4 ];
preConfigure = stdenv.lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
export ac_cv_func_malloc_0_nonnull=yes
export ac_cv_func_realloc_0_nonnull=yes
'';
postConfigure = stdenv.lib.optionalString (stdenv.isDarwin || stdenv.isCygwin) ''
sed -i Makefile -e 's/-no-undefined//;'
'';
dontDisableStatic = stdenv.buildPlatform != stdenv.hostPlatform;
meta = {
homepage = https://github.com/westes/flex;
description = "A fast lexical analyser generator";
platforms = stdenv.lib.platforms.unix;
};
}