blob: 03e28557425d61b7f1286af2342983b4d31ffd91 [file] [log] [blame]
# Copyright 2021 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("$dir_pw_build/target_types.gni")
declare_args() {
# If compiling backends with boringssl, this variable is set to the path to the
# boringssl source code. When set, a pw_source_set for the boringssl library is
# created at "$dir_pw_third_party/boringssl".
dir_pw_third_party_boringssl = ""
}
if (dir_pw_third_party_boringssl != "") {
import("$dir_pw_third_party_boringssl/BUILD.generated.gni")
config("boringssl_public_config") {
include_dirs = [
"$dir_pw_third_party_boringssl/src/include",
"public",
]
cflags = [
"-Wno-cast-qual",
"-Wno-ignored-qualifiers",
]
# This can be removed once boringssl threading primitives are implemented,
# i.e. using pw_sync, and when we have a posix style socket layer.
defines =
[ "OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED" ]
}
config("boringssl_internal_config") {
defines = [
# Enable virtual desctructor and compile-time check of pure virtual base class
"BORINGSSL_ALLOW_CXX_RUNTIME",
# Code size optimiaztion
"OPENSSL_SMALL",
# The ARM assembly code is only for cortex-A.
"OPENSSL_NO_ASM",
# Disable assert, which may additionally link in unwanted binaries via
# argument evaluation.
"NDEBUG",
]
cflags = [
"-Wno-unused-function",
"-Wno-conversion",
"-Wno-unused-parameter",
"-Wno-char-subscripts",
]
cflags_cc = [
"-fpermissive",
"-Wno-error", # To get through the -Werror=permissive error
]
include_dirs = [ "$dir_pw_third_party_boringssl" ]
}
# Remove sources that require file system and posix socket support
excluded_sources = [
"src/crypto/bio/connect.c",
"src/crypto/bio/fd.c",
"src/crypto/bio/socket.c",
"src/crypto/bio/socket_helper.c",
]
pw_source_set("boringssl") {
sources = [ "crypto_sysrand.cc" ]
foreach(source, crypto_sources - excluded_sources + ssl_sources) {
sources += [ "$dir_pw_third_party_boringssl/$source" ]
}
public_configs = [ ":boringssl_public_config" ]
configs = [ ":boringssl_internal_config" ]
# Contains a faked "sysdeps/sys/socket.h"
# Can be removed once posix socket layer in Pigweed is supported.
include_dirs = [ "sysdeps" ]
}
} else {
group("boringssl") {
}
}