use C++17 for bazel7

Author: mai93

.bazelci/presubmit.yml

@@ -18,10 +18,18 @@ buildifier:
   # Use a specific version to avoid skew issues when new versions are released.
   version: 6.1.0
   warnings: "all"
+.bazel_7_cxx_17_config: &bazel_7_cxx_17_config
+  # recent protobuf and abseil-cpp requires C++17 which is not used by default in Bazel 7
+  - "--cxxopt=-std=c++17"
+  - "--host_cxxopt=-std=c++17"
 # NOTE: Minimum supported version is 7.x
 .minimum_supported_version: &minimum_supported_version
   # For testing minimum supported version.
   # NOTE: Keep in sync with //:version.bzl
+  build_flags:
+    <<: *bazel_7_cxx_17_config
+  test_flags:
+    <<: *bazel_7_cxx_17_config
   bazel: 7.x
   skip_in_bazel_downstream_pipeline: "Bazel 7 required"
 .reusable_config: &reusable_config
@@ -39,29 +47,44 @@ buildifier:
     - "..."
   test_flags:
     - "--test_tag_filters=-integration-test"
+.reusable_config_bazel_7: &reusable_config_bazel_7
+  build_targets:
+    - "--"
+    - "..."
+    # As a regression test for #225, check that wheel targets still build when
+    # their package path is qualified with the repo name.
+    - "@rules_python//examples/wheel/..."
+  build_flags:
+    - "--keep_going"
+    - "--build_tag_filters=-integration-test"
+    <<: *bazel_7_cxx_17_config
+  test_targets:
+    - "--"
+    - "..."
+  test_flags:
+    - "--test_tag_filters=-integration-test"
+    <<: *bazel_7_cxx_17_config
 .common_workspace_flags_min_bazel: &common_workspace_flags_min_bazel
   build_flags:
     - "--noenable_bzlmod"
     - "--build_tag_filters=-integration-test"
-    # recent abseil-cpp requires C++17 which is not used by default in Bazel 7
-    - "--cxxopt=-std=c++17"
-    - "--host_cxxopt=-std=c++17"
+    <<: *bazel_7_cxx_17_config
   test_flags:
     - "--noenable_bzlmod"
     - "--test_tag_filters=-integration-test"
-    # recent abseil-cpp requires C++17 which is not used by default in Bazel 7
-    - "--cxxopt=-std=c++17"
-    - "--host_cxxopt=-std=c++17"
+    <<: *bazel_7_cxx_17_config
 .common_workspace_flags: &common_workspace_flags
   skip_in_bazel_downstream_pipeline: "Bazel 9 doesn't support workspace"
   test_flags:
     - "--noenable_bzlmod"
     - "--enable_workspace"
     - "--test_tag_filters=-integration-test"
+    <<: *bazel_7_cxx_17_config
   build_flags:
     - "--noenable_bzlmod"
     - "--enable_workspace"
     - "--build_tag_filters=-integration-test"
+    <<: *bazel_7_cxx_17_config
   bazel: 7.x
 # NOTE: The Mac and Windows bazelinbazel jobs override parts of this config.
 .common_bazelinbazel_config: &common_bazelinbazel_config
@@ -125,7 +148,7 @@ tasks:
 
   ubuntu_min_bzlmod:
     <<: *minimum_supported_version
-    <<: *reusable_config
+    <<: *reusable_config_bazel_7
     name: "Default: Ubuntu, bzlmod, minimum Bazel"
     platform: ubuntu2204
     bazel: 7.x
@@ -204,7 +227,7 @@ tasks:
       - "--test_tag_filters=-integration-test,-fix-windows"
   rbe_min:
     <<: *minimum_supported_version
-    <<: *reusable_config
+    <<: *reusable_config_bazel_7
     name: "RBE: Ubuntu, minimum Bazel"
     platform: rbe_ubuntu2204
     build_flags:
@@ -222,7 +245,7 @@ tasks:
       # build kite cc toolchain.
       - "--extra_toolchains=@buildkite_config//config:cc-toolchain"
   rbe:
-    <<: *reusable_config
+    <<: *reusable_config_bazel_7
     name: "RBE: Ubuntu"
     platform: rbe_ubuntu2204
     # TODO @aignas 2024-12-11: get the RBE working in CI for bazel 8.0
@@ -231,7 +254,7 @@ tasks:
     test_flags:
       - "--test_tag_filters=-integration-test,-acceptance-test"
       - "--extra_toolchains=@buildkite_config//config:cc-toolchain"
-
+      <<: *bazel_7_cxx_17_config
   integration_test_build_file_generation_ubuntu_minimum_supported_workspace:
     <<: *minimum_supported_version
     <<: *reusable_build_test_all
@@ -279,6 +302,10 @@ tasks:
     working_directory: examples/bzlmod
     platform: ubuntu2204
     bazel: 7.x
+    build_flags:
+      <<: *bazel_7_cxx_17_config
+    test_flags:
+      <<: *bazel_7_cxx_17_config
   integration_test_bzlmod_ubuntu_upcoming:
     <<: *reusable_build_test_all
     <<: *coverage_targets_example_bzlmod
@@ -293,6 +320,10 @@ tasks:
     working_directory: examples/bzlmod
     platform: debian11
     bazel: 7.x
+    build_flags:
+      <<: *bazel_7_cxx_17_config
+    test_flags:
+      <<: *bazel_7_cxx_17_config
   integration_test_bzlmod_ubuntu_vendor:
     <<: *reusable_build_test_all
     name: "examples/bzlmod: bazel vendor"
@@ -309,6 +340,10 @@ tasks:
     working_directory: examples/bzlmod
     platform: macos
     bazel: 7.x
+    build_flags:
+      <<: *bazel_7_cxx_17_config
+    test_flags:
+      <<: *bazel_7_cxx_17_config
   integration_test_bzlmod_macos_upcoming:
     <<: *reusable_build_test_all
     <<: *coverage_targets_example_bzlmod
@@ -323,6 +358,10 @@ tasks:
     working_directory: examples/bzlmod
     platform: windows
     bazel: 7.x
+    build_flags:
+      <<: *bazel_7_cxx_17_config
+    test_flags:
+      <<: *bazel_7_cxx_17_config
   integration_test_bzlmod_windows_upcoming:
     <<: *reusable_build_test_all
     # coverage is not supported on Windows