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{ lib, stdenv, fetchFromGitHub, fetchpatch, nix-update-script }:
stdenv.mkDerivation rec {
pname = "re2";
version = "2021-11-01";
src = fetchFromGitHub {
owner = "google";
repo = "re2";
rev = version;
sha256 = "sha256-q8u7xNp6n17F6twPoVkix8iCKPWUN+qg6rhSR4Dv+bI=";
};
patches = [
# Pull upstreal fix for parallel testing.
(fetchpatch {
name = "parallel-tests.patch";
url = "https://github.com/google/re2/commit/9262284a7edc1b83e7172f4ec2d7967d695e7420.patch";
sha256 = "1knhfx9cs4841r09jw4ha6mdx9qwpvlcxvd04i8vr84kd0lilqms";
})
];
preConfigure = ''
substituteInPlace Makefile --replace "/usr/local" "$out"
# we're using gnu sed, even on darwin
substituteInPlace Makefile --replace "SED_INPLACE=sed -i '''" "SED_INPLACE=sed -i"
'';
buildFlags = lib.optionals stdenv.hostPlatform.isStatic [ "static" ];
enableParallelBuilding = true;
preCheck = "patchShebangs runtests";
doCheck = true;
checkTarget = "test";
installTargets = lib.optionals stdenv.hostPlatform.isStatic [ "static-install" ];
doInstallCheck = true;
installCheckTarget = "testinstall";
passthru = {
updateScript = nix-update-script {
attrPath = pname;
};
};
meta = {
homepage = "https://github.com/google/re2";
description = "An efficient, principled regular expression library";
license = lib.licenses.bsd3;
platforms = with lib.platforms; all;
};
}
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