Squashed 'third_party/abseil/' content from commit ddf8e52a2
Change-Id: I330cdc687395c6605ad027b855e313ff4a2059e9
git-subtree-dir: third_party/abseil
git-subtree-split: ddf8e52a2918dd0ccec75d3e2426125fa3926724
diff --git a/absl/compiler_config_setting.bzl b/absl/compiler_config_setting.bzl
new file mode 100644
index 0000000..6696229
--- /dev/null
+++ b/absl/compiler_config_setting.bzl
@@ -0,0 +1,38 @@
+#
+# Copyright 2018 The Abseil Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Creates config_setting that allows selecting based on 'compiler' value."""
+
+def create_llvm_config(name, visibility):
+ # The "do_not_use_tools_cpp_compiler_present" attribute exists to
+ # distinguish between older versions of Bazel that do not support
+ # "@bazel_tools//tools/cpp:compiler" flag_value, and newer ones that do.
+ # In the future, the only way to select on the compiler will be through
+ # flag_values{"@bazel_tools//tools/cpp:compiler"} and the else branch can
+ # be removed.
+ if hasattr(cc_common, "do_not_use_tools_cpp_compiler_present"):
+ native.config_setting(
+ name = name,
+ flag_values = {
+ "@bazel_tools//tools/cpp:compiler": "llvm",
+ },
+ visibility = visibility,
+ )
+ else:
+ native.config_setting(
+ name = name,
+ values = {"compiler": "llvm"},
+ visibility = visibility,
+ )