depot/third_party/nixpkgs/pkgs/development/libraries/glog/default.nix

{ stdenv, lib, fetchFromGitHub, fetchpatch, cmake, gflags, perl }:

stdenv.mkDerivation rec {
  pname = "glog";
  version = "0.4.0";

  src = fetchFromGitHub {
    owner = "google";
    repo = "glog";
    rev = "v${version}";
    sha256 = "1xd3maiipfbxmhc9rrblc5x52nxvkwxp14npg31y5njqvkvzax9b";
  };

  patches = lib.optionals stdenv.hostPlatform.isMusl [
    # TODO: Remove at next release that includes this commit.
    (fetchpatch {
      name = "glog-Fix-symbolize_unittest-for-musl-builds.patch";
      url = "https://github.com/google/glog/commit/834dd780bf1fe0704b8ed0350ca355a55f711a9f.patch";
      sha256 = "0k4lanxg85anyvjsj3mh93bcgds8gizpiamcy2zvs3yyfjl40awn";
    })
  ];

  postPatch = lib.optionalString stdenv.isDarwin ''
    # A path clash on case-insensitive file systems blocks creation of the build directory.
    # The file in question is specific to bazel and does not influence the build result.
    rm BUILD
  '';

  nativeBuildInputs = [ cmake ];

  propagatedBuildInputs = [ gflags ];

  cmakeFlags = [ "-DBUILD_SHARED_LIBS=ON" ];

  checkInputs = [ perl ];
  doCheck = false; # fails with "Mangled symbols (28 out of 380) found in demangle.dm"

  meta = with lib; {
    homepage = "https://github.com/google/glog";
    license = licenses.bsd3;
    description = "Library for application-level logging";
    platforms = platforms.unix;
  };
}