Armando Montanez | 256fb50 | 2021-06-28 10:47:49 -0700 | [diff] [blame] | 1 | # Copyright 2021 The Pigweed Authors |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | # use this file except in compliance with the License. You may obtain a copy of |
| 5 | # the License at |
| 6 | # |
| 7 | # https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | # |
| 9 | # Unless required by applicable law or agreed to in writing, software |
| 10 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | # License for the specific language governing permissions and limitations under |
| 13 | # the License. |
| 14 | |
| 15 | import("//build_overrides/pigweed.gni") |
| 16 | |
| 17 | import("$dir_pw_build/cc_library.gni") |
| 18 | |
| 19 | # Note: In general, prefer to import target_types.gni rather than this file. |
| 20 | # cc_executable.gni and cc_library.gni are both provided by target_types.gni. |
| 21 | # |
| 22 | # cc_library.gni is split out from cc_executable.gni because pw_executable |
| 23 | # templates may need to create pw_source_set targets internally, and can't |
| 24 | # import target_types.gni because it creates a circular import path. |
| 25 | |
| 26 | declare_args() { |
| 27 | # The name of the GN target type used to build Pigweed executables. |
| 28 | # |
| 29 | # If this is a custom template, the .gni file containing the template must |
| 30 | # be imported at the top of the target configuration file to make it globally |
| 31 | # available. |
| 32 | pw_build_EXECUTABLE_TARGET_TYPE = "executable" |
| 33 | |
| 34 | # The path to the .gni file that defines pw_build_EXECUTABLE_TARGET_TYPE. |
| 35 | # |
| 36 | # If pw_build_EXECUTABLE_TARGET_TYPE is not the default of `executable`, this |
| 37 | # .gni file is imported to provide the template definition. |
| 38 | pw_build_EXECUTABLE_TARGET_TYPE_FILE = "" |
| 39 | } |
| 40 | |
| 41 | if (pw_build_EXECUTABLE_TARGET_TYPE != "executable" && |
| 42 | pw_build_EXECUTABLE_TARGET_TYPE_FILE != "") { |
| 43 | import(pw_build_EXECUTABLE_TARGET_TYPE_FILE) |
| 44 | } |
| 45 | |
| 46 | _supported_toolchain_defaults = [ |
| 47 | "configs", |
| 48 | "public_deps", |
| 49 | ] |
| 50 | |
| 51 | # Wrapper for Pigweed executable build targets which uses a globally-defined, |
| 52 | # configurable target type. |
| 53 | template("pw_executable") { |
| 54 | _executable_output_dir = "${target_out_dir}/bin" |
| 55 | if (defined(invoker.output_dir)) { |
| 56 | _executable_output_dir = invoker.output_dir |
| 57 | } |
| 58 | |
| 59 | target(pw_build_EXECUTABLE_TARGET_TYPE, target_name) { |
| 60 | import("$dir_pw_build/defaults.gni") |
| 61 | |
| 62 | forward_variables_from(invoker, "*", _supported_toolchain_defaults) |
| 63 | |
| 64 | if (!defined(configs)) { |
| 65 | configs = [] |
| 66 | } |
| 67 | if (defined(pw_build_defaults.configs)) { |
| 68 | configs += pw_build_defaults.configs |
| 69 | } |
| 70 | if (defined(remove_configs)) { |
| 71 | if (remove_configs != [] && remove_configs[0] == "*") { |
| 72 | configs = [] |
| 73 | } else { |
| 74 | configs += remove_configs # Add configs in case they aren't already |
| 75 | configs -= remove_configs # present, then remove them. |
| 76 | } |
| 77 | } |
| 78 | if (defined(invoker.configs)) { |
| 79 | configs += invoker.configs |
| 80 | } |
| 81 | |
| 82 | public_deps = [ "$dir_pw_build:link_deps" ] |
| 83 | if (defined(pw_build_defaults.public_deps)) { |
| 84 | public_deps += pw_build_defaults.public_deps |
| 85 | } |
| 86 | if (defined(remove_public_deps)) { |
| 87 | if (remove_public_deps != [] && remove_public_deps[0] == "*") { |
| 88 | public_deps = [] |
| 89 | } else { |
| 90 | public_deps += remove_public_deps |
| 91 | public_deps -= remove_public_deps |
| 92 | } |
| 93 | } |
| 94 | if (defined(invoker.public_deps)) { |
| 95 | public_deps += invoker.public_deps |
| 96 | } |
| 97 | |
| 98 | output_dir = _executable_output_dir |
| 99 | } |
| 100 | } |