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# Copyright 2019 The Pigweed 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.
import("python_script.gni")
if (pw_build_host_tools) {
# Defines a Pigweed host tool and installs it into the host_tools directory.
#
# Args:
# deps: List containing exactly one target which outputs a binary tool.
# name: Optional name for the installed program. Defaults to the name of
# the compiled binary.
template("pw_host_tool") {
assert(defined(invoker.deps),
"pw_host_tool must specify an executable as a dependency")
num_deps = 0
foreach(_dep, invoker.deps) {
num_deps += 1
}
assert(num_deps == 1, "pw_host_tool must have exactly one dependency")
_host_tools_dir = "$root_out_dir/host_tools"
# Can't do invoker.deps[0] in GN.
_deps = invoker.deps
_out_target = get_label_info(_deps[0], "target_out_dir") + ":" +
get_label_info(_deps[0], "name")
_script_args = [
"--src",
_out_target,
"--dst",
_host_tools_dir,
"--out-root",
root_out_dir,
]
if (defined(invoker.name) && invoker.name != "") {
_script_args += [
"--name",
invoker.name,
]
}
pw_python_script(target_name) {
script = "$dir_pw_build/py/host_tool.py"
args = _script_args
deps = _deps
stamp = true
}
}
} else {
# For builds without host tools, create an empty target.
template("pw_host_tool") {
not_needed("*")
not_needed(invoker, "*")
group(target_name) {
}
}
} # pw_build_host_tools