blob: 6f37a5f075e93e49e0dbde50d52de3154e2c4339 [file] [log] [blame]
# Copyright 2022 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.
# Constants that represent the different C++ standards. These are set to the
# value of __cplusplus, which allows for unambiguous numeric comparison of C++
# standards.
pw_toolchain_STANDARD = {
CXX98 = 199711
CXX11 = 201103
CXX14 = 201402
CXX17 = 201703
CXX20 = 202002
}
declare_args() {
# Specifies the C++ standard this toolchain is compiling for. The value must
# be an integer that matches the value of the __cplusplus macro when compiling
# with that standard. Use the pw_toolchain_CXX_STANDARD_## constants to set
# this value.
pw_toolchain_CXX_STANDARD = pw_toolchain_STANDARD.CXX17
}
assert(
pw_toolchain_CXX_STANDARD == pw_toolchain_STANDARD.CXX98 ||
pw_toolchain_CXX_STANDARD == pw_toolchain_STANDARD.CXX11 ||
pw_toolchain_CXX_STANDARD == pw_toolchain_STANDARD.CXX14 ||
pw_toolchain_CXX_STANDARD == pw_toolchain_STANDARD.CXX17 ||
pw_toolchain_CXX_STANDARD == pw_toolchain_STANDARD.CXX20,
"pw_toolchain_CXX_STANDARD ($pw_toolchain_CXX_STANDARD) is an " +
"unsupported value. The toolchain must set it to one of the " +
"pw_toolchain_STANDARD constants (e.g. pw_toolchain_STANDARD.CXX17).")
assert(pw_toolchain_CXX_STANDARD >= pw_toolchain_STANDARD.CXX14,
"Pigweed requires at least C++14.")