# ~~~

# Copyright 2018 Google Inc.

#

# 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.

# ~~~

option(GOOGLE_CLOUD_CPP_ENABLE_CXX_EXCEPTIONS "Enable C++ Exception Support" ON)

# If the user disabled C++ exceptions we should give them a heads up about the

# consequences.

if (NOT GOOGLE_CLOUD_CPP_ENABLE_CXX_EXCEPTIONS)

message(

WARNING

"You have disabled C++ exceptions. In general, `google-cloud-cpp`"

" uses an outcome type (`google::cloud::StatusOr<>`) to signal"

" errors, and thus fully supports applications with exceptions"

" disabled. In functions where application developers *request*"

" an exception on errors (e.g. `StatusOr<>::value()`), the library"

" calls `std::abort()` instead."

" In addition, some examples and tests will not be compiled as"

" they use exceptions for clarity.")

if (MSVC)

set(GOOGLE_CLOUD_CPP_EXCEPTIONS_FLAG "/EHs-c-")

else ()

set(GOOGLE_CLOUD_CPP_EXCEPTIONS_FLAG "-fno-exceptions")

endif ()

else ()

set(GOOGLE_CLOUD_CPP_EXCEPTIONS_FLAG "")

endif ()