{ lib , stdenv , fetchFromGitHub , cmake , ninja , chromium , grpc , haskellPackages , mercurial , python3Packages }: stdenv.mkDerivation rec { pname = "re2"; version = "2022-12-01"; src = fetchFromGitHub { owner = "google"; repo = "re2"; rev = version; hash = "sha256-RmPXfavSKVnnl/RJ5aTjc/GbkPz+EXiFg1n5e4s6wjw="; }; outputs = [ "out" "dev" ]; nativeBuildInputs = [ cmake ninja ]; postPatch = '' substituteInPlace re2Config.cmake.in \ --replace "\''${PACKAGE_PREFIX_DIR}/" "" ''; # Needed for case-insensitive filesystems (i.e. MacOS) because a file named # BUILD already exists. cmakeBuildDir = "build_dir"; cmakeFlags = lib.optional (!stdenv.hostPlatform.isStatic) "-DBUILD_SHARED_LIBS:BOOL=ON"; # This installs a pkg-config definition. postInstall = '' pushd "$src" make common-install prefix="$dev" SED_INPLACE="sed -i" popd ''; doCheck = true; passthru.tests = { inherit chromium grpc mercurial; inherit (python3Packages) fb-re2 google-re2; haskell-re2 = haskellPackages.re2; }; meta = with lib; { description = "A regular expression library"; longDescription = '' RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library. ''; license = licenses.bsd3; homepage = "https://github.com/google/re2"; maintainers = with maintainers; [ azahi ]; platforms = platforms.all; }; }