mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
148 lines
4.7 KiB
CMake
148 lines
4.7 KiB
CMake
# Copyright 2019 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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cmake_minimum_required(VERSION 3.12)
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# Fix Ninja generator output to not rebuild entire sub-trees needlessly.
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if(CMAKE_GENERATOR MATCHES "Ninja")
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file(WRITE "${CMAKE_BINARY_DIR}/UserMakeRulesOverride.cmake"
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"string(REPLACE \"-MD\" \"-MMD\" CMAKE_DEPFILE_FLAGS_C \"\${CMAKE_DEPFILE_FLAGS_C}\")\n"
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"string(REPLACE \"-MD\" \"-MMD\" CMAKE_DEPFILE_FLAGS_CXX \"\${CMAKE_DEPFILE_FLAGS_CXX}\")\n"
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)
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set(CMAKE_USER_MAKE_RULES_OVERRIDE
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"${CMAKE_BINARY_DIR}/UserMakeRulesOverride.cmake" CACHE INTERNAL "")
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endif()
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project(SandboxedAPI C CXX ASM)
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# TODO(cblichmann): Enable for Android once support lands
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if(NOT CMAKE_SYSTEM_NAME MATCHES "Linux")
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message(FATAL_ERROR "Sandboxed API is only supported on Linux")
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endif()
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# SAPI-wide setting for the language level
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set(SAPI_CXX_STANDARD 17)
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if(NOT CMAKE_CXX_STANDARD)
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set(CMAKE_CXX_STANDARD ${SAPI_CXX_STANDARD})
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elseif(CMAKE_CXX_STANDARD LESS ${SAPI_CXX_STANDARD})
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message(FATAL_ERROR
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"Sandboxed API requires C++17. To ensure ABI compatibility"
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" build and link all targets of the project with the same"
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" version of C++."
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)
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endif()
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set(SAPI_BINARY_DIR "${PROJECT_BINARY_DIR}" CACHE INTERNAL "" FORCE)
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set(SAPI_SOURCE_DIR "${PROJECT_SOURCE_DIR}" CACHE INTERNAL "" FORCE)
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get_directory_property(_sapi_has_parent PARENT_DIRECTORY)
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if(PROJECT_IS_TOP_LEVEL OR NOT _sapi_has_parent)
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set(SAPI_PROJECT_IS_TOP_LEVEL ON)
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endif()
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include(CheckCXXCompilerFlag)
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# Sapi CMake modules, order matters
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list(APPEND CMAKE_MODULE_PATH "${SAPI_SOURCE_DIR}/cmake"
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"${SAPI_SOURCE_DIR}/cmake/modules")
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include(SapiOptions)
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include(SapiDeps)
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include(SapiUtil)
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include(SapiBuildDefs)
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include(GNUInstallDirs)
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# Allow the header generator to auto-configure include paths
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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if(SAPI_HARDENED_SOURCE)
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add_compile_options(-fstack-protector -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2)
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add_link_options(-Wl,-z,relro -Wl,-z,now)
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endif()
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if(SAPI_FORCE_COLOR_OUTPUT)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") # GCC
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add_compile_options(-fdiagnostics-color=always)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") # Clang or Apple Clang
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add_compile_options(-fcolor-diagnostics)
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endif()
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endif()
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# Make Bazel-style includes work
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configure_file(cmake/libcap_capability.h.in
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libcap/include/sys/capability.h
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@ONLY)
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# Library with basic project settings. The empty file is there to be able to
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# define header-only libraries without cumbersome target_sources() hacks.
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file(WRITE ${SAPI_BINARY_DIR}/sapi_base_force_cxx_linkage.cc "")
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add_library(sapi_base STATIC
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"${SAPI_BINARY_DIR}/sapi_base_force_cxx_linkage.cc"
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)
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add_library(sapi::base ALIAS sapi_base)
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target_compile_features(sapi_base PUBLIC
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cxx_std_${SAPI_CXX_STANDARD}
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)
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set_target_properties(sapi_base PROPERTIES
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SKIP_BUILD_RPATH ON
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POSITION_INDEPENDENT_CODE ON
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)
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target_include_directories(sapi_base PUBLIC
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"${SAPI_BINARY_DIR}"
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"${SAPI_SOURCE_DIR}"
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"${Protobuf_INCLUDE_DIR}"
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)
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target_compile_options(sapi_base PUBLIC -fno-exceptions)
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set(_sapi_check_no_deprecated
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-Wno-deprecated SAPI_HAS_W_NO_DEPRECATED
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)
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# For sandbox2/util.cc's CloneAndJump()
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set(_sapi_check_frame_larger_than
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-Wframe-larger-than=40960 SAPI_HAS_W_FRAME_LARGER_THAN
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)
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set(_sapi_check_no_deprecated_declarations
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-Wno-deprecated-declarations SAPI_HAS_W_NO_DEPRECATED_DECLARATIONS
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)
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set(_sapi_check_no_psabi
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-Wno-psabi SAPI_HAS_W_NO_PSABI
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)
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foreach(check IN ITEMS _sapi_check_no_deprecated
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_sapi_check_frame_larger_than
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_sapi_check_no_deprecated_declarations
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_sapi_check_no_psabi)
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list(GET ${check} 0 opt_value)
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list(GET ${check} 1 var_name)
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check_cxx_compiler_flag(${opt_value} ${var_name})
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if(${var_name})
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target_compile_options(sapi_base PUBLIC ${opt_value})
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endif()
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endforeach()
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add_library(sapi_test_main INTERFACE)
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add_library(sapi::test_main ALIAS sapi_test_main)
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target_link_libraries(sapi_test_main INTERFACE
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gtest_main
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gmock
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sapi::base
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)
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if(SAPI_ENABLE_TESTS)
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include(GoogleTest)
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# Setup tests to work like with Bazel
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create_directory_symlink("${SAPI_BINARY_DIR}" com_google_sandboxed_api)
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enable_testing()
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endif()
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add_subdirectory(sandboxed_api)
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