utils/bazel/llvm-project-overlay/llvm/binary_alias.bzl

   1 # This file is licensed under the Apache License v2.0 with LLVM Exceptions.
   2 # See https://llvm.org/LICENSE.txt for license information.
   3 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   4
   5 """Creates a copy of a binary, giving it a different basename.
   6
   7 binary_alias(
   8     name = "my_binary_other_name",
   9     binary = ":some_cc_binary",
  10 )
  11 """
  12
  13 def _binary_alias_impl(ctx):
  14     ctx.actions.symlink(
  15         target_file = ctx.executable.binary,
  16         output = ctx.outputs.executable,
  17         is_executable = True,
  18     )
  19
  20     return [DefaultInfo(
  21         executable = ctx.outputs.executable,
  22         runfiles = ctx.attr.binary[DefaultInfo].default_runfiles,
  23     )]
  24
  25 binary_alias = rule(
  26     _binary_alias_impl,
  27     attrs = {
  28         "binary": attr.label(
  29             mandatory = True,
  30             executable = True,
  31             cfg = "target",
  32         ),
  33     },
  34     executable = True,
  35 )