sandboxed-api/CMakeLists.txt

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# 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.
cmake_minimum_required(VERSION 3.12)
# Fix Ninja generator output to not rebuild entire sub-trees needlessly.
if(CMAKE_GENERATOR MATCHES "Ninja")
file(WRITE "${CMAKE_BINARY_DIR}/UserMakeRulesOverride.cmake"
"string(REPLACE \"-MD\" \"-MMD\" CMAKE_DEPFILE_FLAGS_C \"\${CMAKE_DEPFILE_FLAGS_C}\")\n"
"string(REPLACE \"-MD\" \"-MMD\" CMAKE_DEPFILE_FLAGS_CXX \"\${CMAKE_DEPFILE_FLAGS_CXX}\")\n"
)
set(CMAKE_USER_MAKE_RULES_OVERRIDE
"${CMAKE_BINARY_DIR}/UserMakeRulesOverride.cmake" CACHE INTERNAL "")
endif()
project(SandboxedAPI C CXX ASM)
# SAPI-wide setting for the language level
set(SAPI_CXX_STANDARD 17)
set(SAPI_BINARY_DIR "${PROJECT_BINARY_DIR}" CACHE INTERNAL "" FORCE)
set(SAPI_SOURCE_DIR "${PROJECT_SOURCE_DIR}" CACHE INTERNAL "" FORCE)
include(CheckCXXCompilerFlag)
# Sapi CMake modules, order matters
list(APPEND CMAKE_MODULE_PATH "${SAPI_SOURCE_DIR}/cmake")
include(SapiOptions)
include(SapiDeps)
include(SapiUtil)
include(SapiBuildDefs)
# Allow the header generator to auto-configure include paths
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
if (SAPI_FORCE_COLOR_OUTPUT)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") # GCC
add_compile_options(-fdiagnostics-color=always)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") # Clang or Apple Clang
add_compile_options(-fcolor-diagnostics)
endif()
endif()
# Make Bazel-style includes work
configure_file(cmake/libcap_capability.h.in
libcap/include/sys/capability.h
@ONLY)
# Library with basic project settings. The empty file is there to be able to
# define header-only libraries without cumbersome target_sources() hacks.
file(WRITE ${SAPI_BINARY_DIR}/sapi_base_force_cxx_linkage.cc "")
add_library(sapi_base STATIC
"${SAPI_BINARY_DIR}/sapi_base_force_cxx_linkage.cc"
)
add_library(sapi::base ALIAS sapi_base)
set_target_properties(sapi_base PROPERTIES
CXX_STANDARD ${SAPI_CXX_STANDARD}
CXX_STANDARD_REQUIRED TRUE
CXX_EXTENSIONS FALSE
SKIP_BUILD_RPATH TRUE
POSITION_INDEPENDENT_CODE TRUE
)
target_include_directories(sapi_base INTERFACE
"${SAPI_BINARY_DIR}"
"${SAPI_SOURCE_DIR}"
"${Protobuf_INCLUDE_DIR}"
# Need to reach into Abseil internal headers from a few targets.
"${CMAKE_BINARY_DIR}/absl-src"
)
if(UNIX)
foreach(flag IN ITEMS -Wno-deprecated
-Wno-deprecated-declarations
-Wno-psabi)
check_cxx_compiler_flag(${flag} _sapi_has_flag)
if(_sapi_has_flag)
target_compile_options(sapi_base INTERFACE
${flag}
)
endif()
endforeach()
endif()
add_library(sapi_test_main INTERFACE)
add_library(sapi::test_main ALIAS sapi_test_main)
target_link_libraries(sapi_test_main INTERFACE
gtest_main
gmock
sapi::base
)
if(SAPI_ENABLE_TESTS)
include(GoogleTest)
# Setup tests to work like with Bazel
create_directory_symlink("${SAPI_BINARY_DIR}" com_google_sandboxed_api)
enable_testing()
endif()
add_subdirectory(sandboxed_api)