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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("//build_overrides/pigweed.gni")
import("$dir_pw_docgen/docs.gni")
config("colorize_output") {
cflags = [
# Colorize output. Ninja's Clang invocation disables color by default.
"-fdiagnostics-color",
]
ldflags = cflags
}
config("debugging") {
# Enable debug symbol generation. This has no effect on final code size.
cflags = [ "-g" ]
}
config("extra_debugging") {
# Include things like macro expansion in debug info.
cflags = [ "-g3" ]
}
# Optimization levels
config("optimize_debugging") {
cflags = [ "-Og" ]
ldflags = cflags
}
config("optimize_speed") {
cflags = [ "-O2" ]
ldflags = cflags
}
config("optimize_more_speed") {
cflags = [ "-O3" ]
ldflags = cflags
}
config("optimize_size") {
cflags = [ "-Os" ]
ldflags = cflags
}
# 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" ]
}
# This config contains warnings that we don't necessarily recommend projects
# enable, but are enabled for upstream Pigweed for maximum project
# compatibility.
config("extra_strict_warnings") {
cflags = [ "-Wshadow" ]
}
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
}
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