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Intern BAZEL_CURRENT_REPOSITORY define for the main repo #20376

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3 changes: 3 additions & 0 deletions src/main/starlark/builtins_bzl/common/cc/cc_helper.bzl
Original file line number Diff line number Diff line change
Expand Up @@ -968,6 +968,9 @@ def _is_stamping_enabled_for_aspect(ctx):
return stamp

def _get_local_defines_for_runfiles_lookup(ctx):
if not ctx.label.workspace_name:
# Use a fixed string literal to avoid allocating a string for every target in the main repo.
return ["BAZEL_CURRENT_REPOSITORY=\"\""]
return ["BAZEL_CURRENT_REPOSITORY=\"{}\"".format(ctx.label.workspace_name)]

# This should be enough to assume if two labels are equal.
Expand Down