third_party/boringssl/repo/BUILD.gn

# Copyright (c) 2020 Project CHIP 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
#
# http://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/build.gni")
import("${build_root}/config/compiler/compiler.gni")

import("BUILD.generated.gni")

config("boringssl_config") {
  include_dirs = [ "src/include" ]

  # We want the basic crypto impl with no asm primitives until we hook-up platform-based
  # support to the build later.
  defines = [ "OPENSSL_NO_ASM=1" ]
}

config("boringssl_config_disable_warnings") {
  cflags = [
    "-Wno-unused-variable",
    "-Wno-conversion",
    "-Wno-cast-function-type-mismatch",
  ]

  if (is_clang) {
    cflags += [ "-Wno-shorten-64-to-32" ]
  }
}

all_sources = crypto_sources

all_headers = crypto_headers

static_library("boringssl") {
  cflags = [ "-O2" ]

  public = all_headers

  sources = all_sources

  public_configs = [ ":boringssl_config" ]

  # The disable-warnings config should not be a public config, since
  # that would make it apply to compilations of anything that depends
  # on boringssl, not just boringssl itself.
  configs += [ ":boringssl_config_disable_warnings" ]
}