sandboxed-api/cmake/abseil-cpp.cmake
Christian Blichmann 066af80c8b CMake build improvements
- Check for Linux (Android TBD once that lands) and C++17
- Move `SAPI_HARDENED_SOURCE` check after compile options are evaluated
- Use a more modern way to set the required C++ standard, compatible with
  Abseil's `ABSL_PROPAGATE_CXX_STD`.
- Scope `-fno-exceptions` and `POSITION_INDEPENDENT_CODE` to SAPI targets
- Increase maximum stack frame size yet again

PiperOrigin-RevId: 422369190
Change-Id: If75405ee43740de90196f52cddc8938482eae851
2022-01-17 08:17:07 -08:00

69 lines
2.5 KiB
CMake

# Copyright 2019 Google LLC
#
# 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.
set(workdir "${CMAKE_BINARY_DIR}/_deps/absl-populate")
set(SAPI_ABSL_GIT_REPOSITORY https://github.com/abseil/abseil-cpp.git
CACHE STRING "")
set(SAPI_ABSL_GIT_TAG d96e287417766deddbff2d01b96321288c59491e
CACHE STRING "") # 2021-04-23
set(SAPI_ABSL_SOURCE_DIR "${CMAKE_BINARY_DIR}/_deps/absl-src" CACHE STRING "")
set(SAPI_ABSL_BINARY_DIR "${CMAKE_BINARY_DIR}/_deps/absl-build" CACHE STRING "")
file(WRITE "${workdir}/CMakeLists.txt" "\
cmake_minimum_required(VERSION ${CMAKE_VERSION})
project(absl-populate NONE)
include(ExternalProject)
ExternalProject_Add(absl
GIT_REPOSITORY \"${SAPI_ABSL_GIT_REPOSITORY}\"
GIT_TAG \"${SAPI_ABSL_GIT_TAG}\"
SOURCE_DIR \"${SAPI_ABSL_SOURCE_DIR}\"
BINARY_DIR \"${SAPI_ABSL_BINARY_DIR}\"
CONFIGURE_COMMAND \"\"
BUILD_COMMAND \"\"
INSTALL_COMMAND \"\"
TEST_COMMAND \"\"
)
")
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE error
WORKING_DIRECTORY "${workdir}")
if(error)
message(FATAL_ERROR "CMake step for ${PROJECT_NAME} failed: ${error}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE error
WORKING_DIRECTORY "${workdir}")
if(error)
message(FATAL_ERROR "Build step for ${PROJECT_NAME} failed: ${error}")
endif()
set(_sapi_saved_BUILD_TESTING ${BUILD_TESTING})
set(ABSL_CXX_STANDARD ${SAPI_CXX_STANDARD} CACHE STRING "" FORCE)
set(ABSL_ENABLE_INSTALL ON CACHE BOOL "" FORCE)
set(ABSL_PROPAGATE_CXX_STD ON CACHE BOOL "" FORCE)
set(ABSL_RUN_TESTS OFF CACHE BOOL "" FORCE)
set(ABSL_USE_GOOGLETEST_HEAD OFF CACHE BOOL "" FORCE)
set(BUILD_TESTING OFF) # Avoid errors when re-configuring SAPI
add_subdirectory("${SAPI_ABSL_SOURCE_DIR}"
"${SAPI_ABSL_BINARY_DIR}" EXCLUDE_FROM_ALL)
if(_sapi_saved_BUILD_TESTING)
set(BUILD_TESTING "${_sapi_saved_BUILD_TESTING}")
endif()