| # 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("$dir_pw_docgen/docs.gni") |
| |
| # The default config is applied to all targets in Pigweed's BUILDCONFIG.gn. |
| config("default") { |
| configs = [ |
| ":debugging", |
| ":reduced_size", |
| ":strict_warnings", |
| ] |
| } |
| |
| config("debugging") { |
| # Enable debug symbol generation. This has no effect on final code size. |
| cflags = [ "-g" ] |
| } |
| |
| # Standard compiler flags to reduce output binary size. |
| config("reduced_size") { |
| cflags = [ |
| "-fno-common", |
| "-fno-exceptions", |
| "-ffunction-sections", |
| "-fdata-sections", |
| ] |
| cflags_cc = [ "-fno-rtti" ] |
| } |
| |
| config("strict_warnings") { |
| cflags = [ |
| "-Wall", |
| "-Wextra", |
| |
| # Make all warnings errors, except for the exemptions below. |
| "-Werror", |
| "-Wno-error=cpp", # preprocessor #warning statement |
| "-Wno-error=deprecated-declarations", # [[deprecated]] attribute |
| ] |
| cflags_cc = [ "-Wnon-virtual-dtor" ] |
| } |
| |
| config("cpp11") { |
| cflags_cc = [ "-std=c++11" ] |
| } |
| |
| config("cpp14") { |
| cflags_cc = [ "-std=c++14" ] |
| } |
| |
| config("cpp17") { |
| cflags_cc = [ |
| "-std=c++17", |
| |
| # Allow uses of the register keyword, which may appear in C headers. |
| "-Wno-register", |
| ] |
| } |
| |
| pw_doc_group("docs") { |
| sources = [ "docs.rst" ] |
| } |
| |
| # Pool to limit a single thread to download external Go packages at a time. |
| pool("go_download_pool") { |
| depth = 1 |
| } |