uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/google-cloud-cpp/default.nix

@@ -0,0 +1,130 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, abseil-cpp
+, c-ares
+, cmake
+, crc32c
+, curl
+, gbenchmark
+, grpc
+, gtest
+, ninja
+, nlohmann_json
+, openssl
+, pkg-config
+, protobuf
+  # default list of APIs: https://github.com/googleapis/google-cloud-cpp/blob/v1.32.1/CMakeLists.txt#L173
+, apis ? [ "*" ]
+, staticOnly ? stdenv.hostPlatform.isStatic
+}:
+let
+  googleapisRev = "d4f3468ef85278428005ed555b3a85db91551ee6";
+  googleapis = fetchFromGitHub {
+    owner = "googleapis";
+    repo = "googleapis";
+    rev = googleapisRev;
+    hash = "sha256-sIQVFQhE3Ae6ia45apzdgtwzglMM4hFZ8efNAhMO5ZY=";
+  };
+  excludedTests = builtins.fromTOML (builtins.readFile ./skipped_tests.toml);
+in
+stdenv.mkDerivation rec {
+  pname = "google-cloud-cpp";
+  version = "1.38.0";
+
+  src = fetchFromGitHub {
+    owner = "googleapis";
+    repo = "google-cloud-cpp";
+    rev = "v${version}";
+    sha256 = "sha256-kobOkohWIDTQaaihhoh/25tZUNv+CjKFwj2xQqO52bA=";
+  };
+
+  postPatch = ''
+    substituteInPlace external/googleapis/CMakeLists.txt \
+      --replace "https://github.com/googleapis/googleapis/archive/\''${GOOGLE_CLOUD_CPP_GOOGLEAPIS_COMMIT_SHA}.tar.gz" "file://${googleapis}"
+  '';
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    pkg-config
+  ] ++ lib.optionals (!doInstallCheck) [
+    # enable these dependencies when doInstallCheck is false because we're
+    # unconditionally building tests and benchmarks
+    #
+    # when doInstallCheck is true, these deps are added to installCheckInputs
+    gbenchmark
+    gtest
+  ];
+
+  buildInputs = [
+    abseil-cpp
+    c-ares
+    crc32c
+    curl
+    grpc
+    nlohmann_json
+    openssl
+    protobuf
+  ];
+
+  doInstallCheck = true;
+
+  preInstallCheck =
+    let
+      # These paths are added to (DY)LD_LIBRARY_PATH because they contain
+      # testing-only shared libraries that do not need to be installed, but
+      # need to be loadable by the test executables.
+      #
+      # Setting (DY)LD_LIBRARY_PATH is only necessary when building shared libraries.
+      additionalLibraryPaths = [
+        "$PWD/google/cloud/bigtable"
+        "$PWD/google/cloud/bigtable/benchmarks"
+        "$PWD/google/cloud/pubsub"
+        "$PWD/google/cloud/spanner"
+        "$PWD/google/cloud/spanner/benchmarks"
+        "$PWD/google/cloud/storage"
+        "$PWD/google/cloud/storage/benchmarks"
+        "$PWD/google/cloud/testing_util"
+      ];
+      ldLibraryPathName = "${lib.optionalString stdenv.isDarwin "DY"}LD_LIBRARY_PATH";
+    in
+    lib.optionalString doInstallCheck (
+      lib.optionalString (!staticOnly) ''
+        export ${ldLibraryPathName}=${lib.concatStringsSep ":" additionalLibraryPaths}
+      '' + ''
+        export GTEST_FILTER="-${lib.concatStringsSep ":" excludedTests.cases}"
+      ''
+    );
+
+  installCheckPhase = lib.optionalString doInstallCheck ''
+    runHook preInstallCheck
+
+    # disable tests that contact the internet
+    ctest --exclude-regex '^(${lib.concatStringsSep "|" excludedTests.whole})'
+
+    runHook postInstallCheck
+  '';
+
+  installCheckInputs = lib.optionals doInstallCheck [
+    gbenchmark
+    gtest
+  ];
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS:BOOL=${if staticOnly then "OFF" else "ON"}"
+    # unconditionally build tests to catch linker errors as early as possible
+    # this adds a good chunk of time to the build
+    "-DBUILD_TESTING:BOOL=ON"
+    "-DGOOGLE_CLOUD_CPP_ENABLE_EXAMPLES:BOOL=OFF"
+  ] ++ lib.optionals (apis != [ "*" ]) [
+    "-DGOOGLE_CLOUD_CPP_ENABLE=${lib.concatStringsSep ";" apis}"
+  ];
+
+  meta = with lib; {
+    license = with licenses; [ asl20 ];
+    homepage = "https://github.com/googleapis/google-cloud-cpp";
+    description = "C++ Idiomatic Clients for Google Cloud Platform services";
+    maintainers = with maintainers; [ cpcloud ];
+  };
+}