# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/compiled_action.gni")

template("cmc") {
  compiled_action(target_name) {
    forward_variables_from(invoker,
                           [
                             "args",
                             "depfile",
                             "deps",
                             "inputs",
                             "outputs",
                             "sources",
                             "public_deps",
                             "testonly",
                             "visibility",
                           ])

    tool = "//tools/cmc"
    tool_output_name = "cmc"
  }
}

# Merges together cmx/cml files
#
# Parameters
#
#   sources (required)
#     [list of files] A list of files that are to be merged.
#
#   output_name (optional)
#     [path] Name for the output.
#     If not specified, the target name is used.
#
#   deps (optional)
#   testonly (optional)
#   visibility (optional)
#     Standard GN meaning.
template("cmc_merge") {
  cmc(target_name) {
    forward_variables_from(invoker,
                           [
                             "deps",
                             "output_name",
                             "sources",
                             "testonly",
                             "visibility",
                           ])
    if (!defined(output_name)) {
      output_name = target_name
    }

    merged_output = "${target_out_dir}/${output_name}"
    inputs = invoker.sources
    outputs = [ merged_output ]

    args = [
      "merge",
      "--output",
      rebase_path(merged_output, root_build_dir),
    ]

    foreach(source, sources) {
      args += [ rebase_path(source, root_build_dir) ]
    }
  }
}