1# Copyright 2020 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 15import("//build_overrides/pigweed.gni") 16 17import("$dir_pw_arduino_build/arduino.gni") 18import("$dir_pw_build/target_types.gni") 19import("$dir_pw_docgen/docs.gni") 20import("$dir_pw_toolchain/generate_toolchain.gni") 21pw_doc_group("target_docs") { 22 sources = [ "target_docs.rst" ] 23} 24 25if (pw_arduino_build_CORE_PATH != "") { 26 import("target_toolchains.gni") 27 28 generate_toolchains("target_toolchains") { 29 toolchains = pw_target_toolchain_arduino_list 30 } 31 32 if (current_toolchain != default_toolchain) { 33 config("arduino_build") { 34 # Debug: Print out arduinobuilder.py args 35 # print(string_join(" ", [rebase_path(arduino_builder_script, root_build_dir)] + arduino_show_command_args)) 36 37 # Run prebuilds 38 # TODO(tonymd) This only needs to be run once but it's happening multiple times. 39 exec_script(arduino_builder_script, 40 filter_exclude(arduino_run_command_args, 41 [ "--save-config" ]) + [ "--run-prebuilds" ], 42 "string") 43 44 _exclude_flags = [ "-std=gnu++14" ] 45 46 _cflags = exec_script(arduino_builder_script, 47 arduino_show_command_args + [ "--c-flags" ], 48 "list lines") 49 cflags = filter_exclude(_cflags, _exclude_flags) 50 51 asmflags = exec_script(arduino_builder_script, 52 arduino_show_command_args + [ "--s-only-flags" ], 53 "list lines") 54 55 _cflags_cc = 56 exec_script(arduino_builder_script, 57 arduino_show_command_args + [ "--cpp-only-flags" ], 58 "list lines") 59 cflags_cc = filter_exclude(_cflags_cc, _exclude_flags) 60 61 _ldflags = exec_script(arduino_builder_script, 62 arduino_show_command_args + [ "--ld-flags" ], 63 "list lines") 64 ldflags = 65 filter_exclude(_ldflags, 66 [ 67 # Remove arguments ending in 'core.a', for example: 68 # C:/Users/username/pigweed/out/core.a 69 "*core.a\b", 70 71 # Remove .elf output file, for example: 72 # -o C:/Users/username/pigweed/out/pigweed.elf 73 "\b-o\b", 74 "*.elf\b", 75 76 # Remove the Arduino {object_files} variable 77 "{object_files}", 78 ]) 79 80 # Teensy4 core recipe uses: '-larm_cortexM7lfsp_math -lm -lstdc++' 81 libs = filter_exclude( 82 exec_script(arduino_builder_script, 83 arduino_show_command_args + [ "--ld-lib-names" ], 84 "list lines"), 85 [ 86 # Exclude stdc++ and precompiled math libraries which causes 87 # linking errors for teensy cores. 88 "\bstdc++\b", 89 "\barm_cortexM0l_math\b", 90 "\barm_cortexM4lf_math\b", 91 "\barm_cortexM4l_math\b", 92 "\barm_cortexM7lfsp_math\b", 93 ]) 94 } 95 96 pw_source_set("pre_init") { 97 sources = [ "init.cc" ] 98 public_deps = [ 99 "$dir_pw_sys_io_arduino", 100 "$dir_pw_third_party/arduino:arduino_core_sources", 101 ] 102 deps = [ 103 "$dir_pw_arduino_build:arduino_init.facade", 104 "$dir_pw_preprocessor", 105 ] 106 } 107 } 108} else { 109 config("arduino_build") { 110 } 111 group("pre_init") { 112 } 113} 114