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-rw-r--r--compiler_config_setting.bzl21
1 files changed, 21 insertions, 0 deletions
diff --git a/compiler_config_setting.bzl b/compiler_config_setting.bzl
new file mode 100644
index 00000000..5e52a652
--- /dev/null
+++ b/compiler_config_setting.bzl
@@ -0,0 +1,21 @@
+"""Creates config_setting that allows selecting based on 'compiler' value."""
+
+def create_compiler_config_setting(name, value):
+ # 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": value,
+ },
+ )
+ else:
+ native.config_setting(
+ name = name,
+ values = {"compiler": value},
+ )