fix(bazel): build failures for macos (targeted uninstall)

.bazelrc

@@ -35,15 +35,15 @@ build --experimental_convenience_symlinks=ignore
 # We mirror critical tarballs from several sources in case the canonical source
 # is temporarily unavailable, e.g., github.com being down. This option and flag
 # automatically rewrites the URLs.
-build --experimental_downloader_config=bazel/downloader.cfg
+# build --experimental_downloader_config=bazel/downloader.cfg
 
 # It is frustrating when long-running builds/tests fail, but it is even more
 # frustrating when they fail and don't give any output. So, remove the limit.
 build --experimental_ui_max_stdouterr_bytes=-1
 
 # TODO(#13311) - remove once gRPC works with Bazel v7 or when gRPC stops using
 #     `apple_rules`.
-common:macos --repo_env=BAZEL_NO_APPLE_CPP_TOOLCHAIN=1
+# common:macos --repo_env=BAZEL_NO_APPLE_CPP_TOOLCHAIN=1
 
 # Inject ${GTEST_SHUFFLE} and ${GTEST_RANDOM_SEED} into the test environment
 # if they are set in the enclosing environment. This allows for running tests

bazel/crc32c.BUILD

@@ -124,7 +124,13 @@ cc_library(
     name = "crc32c",
     srcs = crc32c_SRCS + crc32c_sse42_SRCS + crc32c_arm64_SRCS,
     hdrs = crc32c_HDRS + ["crc32c/crc32c_config.h"],
-    copts = crc32c_copts,
+    copts = crc32c_copts + select({
+        "@platforms//os:macos": [
+            "-msse4.2",
+            "-mcrc32",
+        ],
+        "//conditions:default": [],
+    }),
     includes = ["include"],
     deps = [],
 )

ci/kokoro/macos/build.sh

@@ -86,6 +86,7 @@ export HOMEBREW_NO_INSTALL_CLEANUP=1
 brew list --versions --formula
 brew list --versions --cask
 brew list --versions coreutils || brew install coreutils
+
 if [[ "${RUNNING_CI:-}" = "yes" ]]; then
   # We use `gcloud alpha storage` as it significantly improves the
   # upload and download performance of the cache.  If this step fails

ci/kokoro/macos/builds/bazel.sh

@@ -20,6 +20,28 @@ source "$(dirname "$0")/../../../lib/init.sh"
 source module ci/etc/integration-tests-config.sh
 source module ci/lib/io.sh
 
+PACKAGES_TO_UNINSTALL=(
+  abseil
+  protobuf
+  grpc
+  nlohmann-json
+  curl
+  crc32c
+  opentelemetry-cpp
+  googletest
+  google-benchmark
+  yaml-cpp
+  pugixml
+  zlib
+  c-ares
+)
+
+io::log_h2 "Uninstalling Homebrew packages that are managed in MODULE.bazel..."
+for pkg in "${PACKAGES_TO_UNINSTALL[@]}"; do
+  io::log_yellow "Uninstalling ${pkg}..."
+  brew uninstall --ignore-dependencies "${pkg}" || true
+done
+
 # NOTE: In this file use the command `bazelisk` rather than bazel, because
 # Kokoro has both installed and we want to make sure to use the former.
 io::log_h2 "Using bazel version"
@@ -32,9 +54,12 @@ bazel_args=(
   # cannot find the credentials, even if you do not use them. Some of the
   # unit tests do exactly that.
   "--action_env=GOOGLE_APPLICATION_CREDENTIALS=${GOOGLE_APPLICATION_CREDENTIALS}"
+  "--copt=-msse4.2"
+  "--copt=-mcrc32"
   "--test_output=errors"
   "--verbose_failures=true"
   "--keep_going"
+  "--sandbox_debug"
 )
 
 readonly CONFIG_DIR="${KOKORO_GFILE_DIR:-/private/var/tmp}"
@@ -55,25 +80,6 @@ if [[ -r "${TEST_KEY_FILE_JSON}" ]]; then
   bazel_args+=("--experimental_guard_against_concurrent_changes")
 fi
 
-for repeat in 1 2 3; do
-  # Additional dependencies, these are not downloaded by `bazel fetch ...`,
-  # but are needed to compile the code
-  external=(
-    @local_config_platform//...
-    @local_config_cc_toolchains//...
-    @local_config_sh//...
-    @go_sdk//...
-    @remotejdk11_macos//:jdk
-  )
-  io::log_yellow "Fetch bazel dependencies [${repeat}/3]"
-  if bazelisk fetch ... "${external[@]}"; then
-    break
-  else
-    io::log_yellow "bazel fetch failed with $?"
-  fi
-  sleep $((120 * repeat))
-done
-
 io::log_h2 "build and run unit tests"
 echo "bazel test " "${bazel_args[@]}"
 bazelisk test "${bazel_args[@]}" "--test_tag_filters=-integration-test" ...

google/cloud/BUILD.bazel

@@ -140,6 +140,7 @@ cc_library(
     tags = ["benchmark"],
     deps = [
         ":google_cloud_cpp_common",
+        "@com_google_benchmark//:benchmark",
         "@com_google_benchmark//:benchmark_main",
     ],
 ) for benchmark in google_cloud_cpp_common_benchmarks]
@@ -333,6 +334,7 @@ cc_library(
     tags = ["benchmark"],
     deps = [
         ":google_cloud_cpp_rest_internal",
+        "@com_google_benchmark//:benchmark",
         "@com_google_benchmark//:benchmark_main",
     ],
 ) for benchmark in google_cloud_cpp_rest_internal_benchmarks]