# Copyright (c) 2022 Huawei Device Co., Ltd.
# 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.

config("rtti") {
  if (is_win) {
    cflags_cc = [ "/GR" ]
  } else {
    cflags_cc = [ "-frtti" ]
  }
}

config("exceptions") {
  if (is_win) {
    # Enables exceptions in the STL.
    if (!use_custom_libcxx) {
      defines = [ "_HAS_EXCEPTIONS=1" ]
    }
    cflags_cc = [ "/EHsc" ]
  } else {
    cflags_cc = [ "-fexceptions" ]
  }
}

config("no_exceptions") {
  if (is_win) {
    # Disables exceptions in the STL.
    # libc++ uses the __has_feature macro to control whether to use exceptions,
    # so defining this macro is unnecessary. Defining _HAS_EXCEPTIONS to 0 also
    # breaks libc++ because it depends on MSVC headers that only provide certain
    # declarations if _HAS_EXCEPTIONS is 1. Those MSVC headers do not use
    # exceptions, despite being conditional on _HAS_EXCEPTIONS.
    if (!use_custom_libcxx) {
      defines = [ "_HAS_EXCEPTIONS=0" ]
    }
  } else {
    cflags_cc = [ "-fno-exceptions" ]
  }
}