| # Copyright 2020 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("//build_overrides/pigweed.gni") |
| |
| import("$dir_pw_arduino_build/arduino.gni") |
| import("$dir_pw_build/target_types.gni") |
| import("$dir_pw_docgen/docs.gni") |
| import("$dir_pw_toolchain/generate_toolchain.gni") |
| pw_doc_group("target_docs") { |
| sources = [ "target_docs.rst" ] |
| } |
| |
| if (pw_arduino_build_CORE_PATH != "") { |
| import("target_toolchains.gni") |
| |
| generate_toolchains("target_toolchains") { |
| toolchains = pw_target_toolchain_arduino_list |
| } |
| |
| if (current_toolchain != default_toolchain) { |
| config("arduino_build") { |
| # Debug: Print out arduinobuilder.py args |
| # print(string_join(" ", [rebase_path(arduino_builder_script, root_build_dir)] + arduino_show_command_args)) |
| |
| # Run prebuilds |
| # TODO(tonymd) This only needs to be run once but it's happening multiple times. |
| exec_script(arduino_builder_script, |
| filter_exclude(arduino_run_command_args, |
| [ "--save-config" ]) + [ "--run-prebuilds" ], |
| "string") |
| |
| _exclude_flags = [ "-std=gnu++14" ] |
| |
| _cflags = exec_script(arduino_builder_script, |
| arduino_show_command_args + [ "--c-flags" ], |
| "list lines") |
| cflags = filter_exclude(_cflags, _exclude_flags) |
| |
| asmflags = exec_script(arduino_builder_script, |
| arduino_show_command_args + [ "--s-only-flags" ], |
| "list lines") |
| |
| _cflags_cc = |
| exec_script(arduino_builder_script, |
| arduino_show_command_args + [ "--cpp-only-flags" ], |
| "list lines") |
| cflags_cc = filter_exclude(_cflags_cc, _exclude_flags) |
| |
| _ldflags = exec_script(arduino_builder_script, |
| arduino_show_command_args + [ "--ld-flags" ], |
| "list lines") |
| ldflags = |
| filter_exclude(_ldflags, |
| [ |
| # Remove arguments ending in 'core.a', for example: |
| # C:/Users/username/pigweed/out/core.a |
| "*core.a\b", |
| |
| # Remove .elf output file, for example: |
| # -o C:/Users/username/pigweed/out/pigweed.elf |
| "\b-o\b", |
| "*.elf\b", |
| |
| # Remove the Arduino {object_files} variable |
| "{object_files}", |
| ]) |
| |
| # TODO(tonymd): Determine if libs are needed. |
| # Teensy4 core recipe uses: '-larm_cortexM7lfsp_math -lm -lstdc++' |
| libs = filter_exclude( |
| exec_script(arduino_builder_script, |
| arduino_show_command_args + [ "--ld-lib-names" ], |
| "list lines"), |
| # Exclude stdc++ which causes linking errors for teensy cores. |
| [ "\bstdc++\b" ]) |
| } |
| |
| pw_source_set("pre_init") { |
| sources = [ "init.cc" ] |
| public_deps = [ |
| "$dir_pw_sys_io_arduino", |
| "$dir_pw_third_party/arduino:arduino_core_sources", |
| ] |
| deps = [ |
| "$dir_pw_arduino_build:arduino_init.facade", |
| "$dir_pw_preprocessor", |
| ] |
| } |
| } |
| } else { |
| config("arduino_build") { |
| } |
| group("pre_init") { |
| } |
| } |