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ProjectOptions.cmake
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ProjectOptions.cmake
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include(cmake/SystemLink.cmake)
include(cmake/LibFuzzer.cmake)
include(CMakeDependentOption)
include(CheckCXXCompilerFlag)
macro(cmake_experiment_supports_sanitizers)
if((CMAKE_CXX_COMPILER_ID MATCHES ".*Clang.*" OR CMAKE_CXX_COMPILER_ID MATCHES ".*GNU.*") AND NOT WIN32)
set(SUPPORTS_UBSAN ON)
else()
set(SUPPORTS_UBSAN OFF)
endif()
if((CMAKE_CXX_COMPILER_ID MATCHES ".*Clang.*" OR CMAKE_CXX_COMPILER_ID MATCHES ".*GNU.*") AND WIN32)
set(SUPPORTS_ASAN OFF)
else()
set(SUPPORTS_ASAN ON)
endif()
endmacro()
macro(cmake_experiment_setup_options)
option(cmake_experiment_ENABLE_HARDENING "Enable hardening" ON)
option(cmake_experiment_ENABLE_COVERAGE "Enable coverage reporting" OFF)
cmake_dependent_option(
cmake_experiment_ENABLE_GLOBAL_HARDENING
"Attempt to push hardening options to built dependencies"
ON
cmake_experiment_ENABLE_HARDENING
OFF)
cmake_experiment_supports_sanitizers()
if(NOT PROJECT_IS_TOP_LEVEL OR cmake_experiment_PACKAGING_MAINTAINER_MODE)
option(cmake_experiment_ENABLE_IPO "Enable IPO/LTO" OFF)
option(cmake_experiment_WARNINGS_AS_ERRORS "Treat Warnings As Errors" OFF)
option(cmake_experiment_ENABLE_USER_LINKER "Enable user-selected linker" OFF)
option(cmake_experiment_ENABLE_SANITIZER_ADDRESS "Enable address sanitizer" OFF)
option(cmake_experiment_ENABLE_SANITIZER_LEAK "Enable leak sanitizer" OFF)
option(cmake_experiment_ENABLE_SANITIZER_UNDEFINED "Enable undefined sanitizer" OFF)
option(cmake_experiment_ENABLE_SANITIZER_THREAD "Enable thread sanitizer" OFF)
option(cmake_experiment_ENABLE_SANITIZER_MEMORY "Enable memory sanitizer" OFF)
option(cmake_experiment_ENABLE_UNITY_BUILD "Enable unity builds" OFF)
option(cmake_experiment_ENABLE_CLANG_TIDY "Enable clang-tidy" OFF)
option(cmake_experiment_ENABLE_CPPCHECK "Enable cpp-check analysis" OFF)
option(cmake_experiment_ENABLE_PCH "Enable precompiled headers" OFF)
option(cmake_experiment_ENABLE_CACHE "Enable ccache" OFF)
else()
option(cmake_experiment_ENABLE_IPO "Enable IPO/LTO" ON)
option(cmake_experiment_WARNINGS_AS_ERRORS "Treat Warnings As Errors" ON)
option(cmake_experiment_ENABLE_USER_LINKER "Enable user-selected linker" OFF)
option(cmake_experiment_ENABLE_SANITIZER_ADDRESS "Enable address sanitizer" ${SUPPORTS_ASAN})
option(cmake_experiment_ENABLE_SANITIZER_LEAK "Enable leak sanitizer" OFF)
option(cmake_experiment_ENABLE_SANITIZER_UNDEFINED "Enable undefined sanitizer" ${SUPPORTS_UBSAN})
option(cmake_experiment_ENABLE_SANITIZER_THREAD "Enable thread sanitizer" OFF)
option(cmake_experiment_ENABLE_SANITIZER_MEMORY "Enable memory sanitizer" OFF)
option(cmake_experiment_ENABLE_UNITY_BUILD "Enable unity builds" OFF)
option(cmake_experiment_ENABLE_CLANG_TIDY "Enable clang-tidy" ON)
option(cmake_experiment_ENABLE_CPPCHECK "Enable cpp-check analysis" ON)
option(cmake_experiment_ENABLE_PCH "Enable precompiled headers" OFF)
option(cmake_experiment_ENABLE_CACHE "Enable ccache" ON)
endif()
if(NOT PROJECT_IS_TOP_LEVEL)
mark_as_advanced(
cmake_experiment_ENABLE_IPO
cmake_experiment_WARNINGS_AS_ERRORS
cmake_experiment_ENABLE_USER_LINKER
cmake_experiment_ENABLE_SANITIZER_ADDRESS
cmake_experiment_ENABLE_SANITIZER_LEAK
cmake_experiment_ENABLE_SANITIZER_UNDEFINED
cmake_experiment_ENABLE_SANITIZER_THREAD
cmake_experiment_ENABLE_SANITIZER_MEMORY
cmake_experiment_ENABLE_UNITY_BUILD
cmake_experiment_ENABLE_CLANG_TIDY
cmake_experiment_ENABLE_CPPCHECK
cmake_experiment_ENABLE_COVERAGE
cmake_experiment_ENABLE_PCH
cmake_experiment_ENABLE_CACHE)
endif()
cmake_experiment_check_libfuzzer_support(LIBFUZZER_SUPPORTED)
if(LIBFUZZER_SUPPORTED AND (cmake_experiment_ENABLE_SANITIZER_ADDRESS OR cmake_experiment_ENABLE_SANITIZER_THREAD OR cmake_experiment_ENABLE_SANITIZER_UNDEFINED))
set(DEFAULT_FUZZER ON)
else()
set(DEFAULT_FUZZER OFF)
endif()
option(cmake_experiment_BUILD_FUZZ_TESTS "Enable fuzz testing executable" ${DEFAULT_FUZZER})
endmacro()
macro(cmake_experiment_global_options)
if(cmake_experiment_ENABLE_IPO)
include(cmake/InterproceduralOptimization.cmake)
cmake_experiment_enable_ipo()
endif()
cmake_experiment_supports_sanitizers()
if(cmake_experiment_ENABLE_HARDENING AND cmake_experiment_ENABLE_GLOBAL_HARDENING)
include(cmake/Hardening.cmake)
if(NOT SUPPORTS_UBSAN
OR cmake_experiment_ENABLE_SANITIZER_UNDEFINED
OR cmake_experiment_ENABLE_SANITIZER_ADDRESS
OR cmake_experiment_ENABLE_SANITIZER_THREAD
OR cmake_experiment_ENABLE_SANITIZER_LEAK)
set(ENABLE_UBSAN_MINIMAL_RUNTIME FALSE)
else()
set(ENABLE_UBSAN_MINIMAL_RUNTIME TRUE)
endif()
message("${cmake_experiment_ENABLE_HARDENING} ${ENABLE_UBSAN_MINIMAL_RUNTIME} ${cmake_experiment_ENABLE_SANITIZER_UNDEFINED}")
cmake_experiment_enable_hardening(cmake_experiment_options ON ${ENABLE_UBSAN_MINIMAL_RUNTIME})
endif()
endmacro()
macro(cmake_experiment_local_options)
if(PROJECT_IS_TOP_LEVEL)
include(cmake/StandardProjectSettings.cmake)
endif()
add_library(cmake_experiment_warnings INTERFACE)
add_library(cmake_experiment_options INTERFACE)
include(cmake/CompilerWarnings.cmake)
cmake_experiment_set_project_warnings(
cmake_experiment_warnings
${cmake_experiment_WARNINGS_AS_ERRORS}
""
""
""
"")
if(cmake_experiment_ENABLE_USER_LINKER)
include(cmake/Linker.cmake)
configure_linker(cmake_experiment_options)
endif()
include(cmake/Sanitizers.cmake)
cmake_experiment_enable_sanitizers(
cmake_experiment_options
${cmake_experiment_ENABLE_SANITIZER_ADDRESS}
${cmake_experiment_ENABLE_SANITIZER_LEAK}
${cmake_experiment_ENABLE_SANITIZER_UNDEFINED}
${cmake_experiment_ENABLE_SANITIZER_THREAD}
${cmake_experiment_ENABLE_SANITIZER_MEMORY})
set_target_properties(cmake_experiment_options PROPERTIES UNITY_BUILD ${cmake_experiment_ENABLE_UNITY_BUILD})
if(cmake_experiment_ENABLE_PCH)
target_precompile_headers(
cmake_experiment_options
INTERFACE
<vector>
<string>
<utility>)
endif()
if(cmake_experiment_ENABLE_CACHE)
include(cmake/Cache.cmake)
cmake_experiment_enable_cache()
endif()
include(cmake/StaticAnalyzers.cmake)
if(cmake_experiment_ENABLE_CLANG_TIDY)
cmake_experiment_enable_clang_tidy(cmake_experiment_options ${cmake_experiment_WARNINGS_AS_ERRORS})
endif()
if(cmake_experiment_ENABLE_CPPCHECK)
cmake_experiment_enable_cppcheck(${cmake_experiment_WARNINGS_AS_ERRORS} "" # override cppcheck options
)
endif()
if(cmake_experiment_ENABLE_COVERAGE)
include(cmake/Tests.cmake)
cmake_experiment_enable_coverage(cmake_experiment_options)
endif()
if(cmake_experiment_WARNINGS_AS_ERRORS)
check_cxx_compiler_flag("-Wl,--fatal-warnings" LINKER_FATAL_WARNINGS)
if(LINKER_FATAL_WARNINGS)
# This is not working consistently, so disabling for now
# target_link_options(cmake_experiment_options INTERFACE -Wl,--fatal-warnings)
endif()
endif()
if(cmake_experiment_ENABLE_HARDENING AND NOT cmake_experiment_ENABLE_GLOBAL_HARDENING)
include(cmake/Hardening.cmake)
if(NOT SUPPORTS_UBSAN
OR cmake_experiment_ENABLE_SANITIZER_UNDEFINED
OR cmake_experiment_ENABLE_SANITIZER_ADDRESS
OR cmake_experiment_ENABLE_SANITIZER_THREAD
OR cmake_experiment_ENABLE_SANITIZER_LEAK)
set(ENABLE_UBSAN_MINIMAL_RUNTIME FALSE)
else()
set(ENABLE_UBSAN_MINIMAL_RUNTIME TRUE)
endif()
cmake_experiment_enable_hardening(cmake_experiment_options OFF ${ENABLE_UBSAN_MINIMAL_RUNTIME})
endif()
endmacro()