292 lines
10 KiB
CMake
292 lines
10 KiB
CMake
# Copyright (C) 2018-2020 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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#
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#
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# Disables deprecated warnings generation
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# Defines ie_c_cxx_deprecated varaible which contains C / C++ compiler flags
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#
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macro(disable_deprecated_warnings)
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if(WIN32)
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if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
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set(ie_c_cxx_deprecated "/Qdiag-disable:1478,1786")
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elseif(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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set(ie_c_cxx_deprecated "/wd4996")
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endif()
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else()
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if(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(ie_c_cxx_deprecated "-diag-disable=1478,1786")
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else()
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set(ie_c_cxx_deprecated "-Wno-deprecated-declarations")
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endif()
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endif()
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if(NOT ie_c_cxx_deprecated)
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message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ie_c_cxx_deprecated}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ie_c_cxx_deprecated}")
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endmacro()
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#
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# Don't threat deprecated warnings as errors
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# Defines ie_c_cxx_deprecated_no_errors varaible which contains C / C++ compiler flags
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#
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macro(ie_deprecated_no_errors)
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if(WIN32)
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if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
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set(ie_c_cxx_deprecated "/Qdiag-warning:1478,1786")
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elseif(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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set(ie_c_cxx_deprecated "/wd4996")
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endif()
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else()
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if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
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set(ie_c_cxx_deprecated_no_errors "-diag-warning=1478,1786")
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else()
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set(ie_c_cxx_deprecated_no_errors "-Wno-error=deprecated-declarations")
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endif()
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if(NOT ie_c_cxx_deprecated_no_errors)
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message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
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endif()
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ie_c_cxx_deprecated_no_errors}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ie_c_cxx_deprecated_no_errors}")
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endmacro()
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#
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# Provides SSE4.2 compilation flags depending on an OS and a compiler
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#
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function(ie_sse42_optimization_flags flags)
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if(WIN32)
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if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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# No such option for MSVC 2019
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(${flags} "/arch:SSE4.2 /QxSSE4.2" PARENT_SCOPE)
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else()
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message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
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endif()
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else()
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if(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(${flags} "-msse4.2 -xSSE4.2" PARENT_SCOPE)
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else()
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set(${flags} "-msse4.2" PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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#
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# Provides AVX2 compilation flags depending on an OS and a compiler
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#
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function(ie_avx2_optimization_flags flags)
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if(WIN32)
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if(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(${flags} "/QxCORE-AVX2" PARENT_SCOPE)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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set(${flags} "/arch:AVX2" PARENT_SCOPE)
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else()
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message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
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endif()
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else()
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if(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(${flags} "-march=core-avx2 -xCORE-AVX2 -mtune=core-avx2" PARENT_SCOPE)
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else()
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set(${flags} "-mavx2 -mfma" PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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#
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# Provides common AVX512 compilation flags for AVX512F instruction set support
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# depending on an OS and a compiler
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#
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function(ie_avx512_optimization_flags flags)
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if(WIN32)
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if(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(${flags} "/QxCOMMON-AVX512" PARENT_SCOPE)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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set(${flags} "/arch:AVX512" PARENT_SCOPE)
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else()
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message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
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endif()
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else()
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if(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
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set(${flags} "-xCOMMON-AVX512" PARENT_SCOPE)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
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set(${flags} "-mavx512f -mfma" PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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#
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# Enables Link Time Optimization compilation
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#
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macro(ie_enable_lto)
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if(UNIX)
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
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# LTO causes issues with gcc 4.8.5 during cmake pthread check
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if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9)
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto")
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endif()
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# modify linker and ar
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if(LINUX)
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set(CMAKE_AR "gcc-ar")
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set(CMAKE_RANLIB "gcc-ranlib")
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endif()
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elseif(WIN32)
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if(CMAKE_BUILD_TYPE STREQUAL Release)
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# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GL")
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# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /GL")
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# set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LTCG:STATUS")
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# set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /LTCG:STATUS")
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# set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /LTCG:STATUS")
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endif()
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endif()
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endmacro()
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#
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# Adds compiler flags to C / C++ sources
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#
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macro(ie_add_compiler_flags)
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foreach(flag ${ARGN})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
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endforeach()
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endmacro()
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#
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# Compilation and linker flags
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#
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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# to allows to override CMAKE_CXX_STANDARD from command line
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if(NOT DEFINED CMAKE_CXX_STANDARD)
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if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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set(CMAKE_CXX_STANDARD 14)
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else()
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set(CMAKE_CXX_STANDARD 11)
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endif()
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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endif()
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if(COVERAGE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
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endif()
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if(NOT MSVC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsigned-char")
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endif()
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set(CMAKE_POLICY_DEFAULT_CMP0063 NEW)
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set(CMAKE_CXX_VISIBILITY_PRESET hidden)
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set(CMAKE_C_VISIBILITY_PRESET hidden)
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set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)
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if(WIN32)
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ie_add_compiler_flags(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS)
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ie_add_compiler_flags(/EHsc) # no asynchronous structured exception handling
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ie_add_compiler_flags(/Gy) # remove unreferenced functions: function level linking
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
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if (TREAT_WARNING_AS_ERROR)
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if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
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ie_add_compiler_flags(/WX)
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ie_add_compiler_flags(/Qdiag-warning:47,1740,1786)
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elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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# ie_add_compiler_flags(/WX) # Too many warnings
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endif()
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endif()
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# Compiler specific flags
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ie_add_compiler_flags(/bigobj)
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# Disable noisy warnings
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if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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# C4251 needs to have dll-interface to be used by clients of class
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ie_add_compiler_flags(/wd4251)
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# C4275 non dll-interface class used as base for dll-interface class
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ie_add_compiler_flags(/wd4275)
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
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# 161 unrecognized pragma
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# 177 variable was declared but never referenced
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# 556 not matched type of assigned function pointer
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# 1744: field of class type without a DLL interface used in a class with a DLL interface
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# 2586 decorated name length exceeded, name was truncated
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# 2651: attribute does not apply to any entity
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# 3180 unrecognized OpenMP pragma
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# 11075: To get full report use -Qopt-report:4 -Qopt-report-phase ipo
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# 15335 was not vectorized: vectorization possible but seems inefficient. Use vector always directive or /Qvec-threshold0 to override
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ie_add_compiler_flags(/Qdiag-disable:161,177,556,1744,2586,2651,3180,11075,15335)
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endif()
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# Debug information flags
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /Z7")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /Z7")
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if(ENABLE_DEBUG_SYMBOLS)
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ie_add_compiler_flags(/Z7)
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set(DEBUG_SYMBOLS_LINKER_FLAGS "/DEBUG")
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if (CMAKE_BUILD_TYPE STREQUAL "Release")
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# Keep default /OPT values. See /DEBUG reference for details.
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set(DEBUG_SYMBOLS_LINKER_FLAGS "${DEBUG_SYMBOLS_LINKER_FLAGS} /OPT:REF /OPT:ICF")
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endif()
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${DEBUG_SYMBOLS_LINKER_FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${DEBUG_SYMBOLS_LINKER_FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${DEBUG_SYMBOLS_LINKER_FLAGS}")
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endif()
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else()
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# TODO: enable for C sources as well
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# ie_add_compiler_flags(-Werror)
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if(TREAT_WARNING_AS_ERROR)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
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endif()
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ie_add_compiler_flags(-ffunction-sections -fdata-sections)
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ie_add_compiler_flags(-fdiagnostics-show-option)
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ie_add_compiler_flags(-Wundef)
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# Disable noisy warnings
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if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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ie_add_compiler_flags(-Wswitch)
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elseif(UNIX)
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ie_add_compiler_flags(-Wuninitialized -Winit-self)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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ie_add_compiler_flags(-Wno-error=switch)
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else()
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ie_add_compiler_flags(-Wmaybe-uninitialized)
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endif()
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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ie_add_compiler_flags(-diag-disable=remark)
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endif()
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# Linker flags
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if(APPLE)
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-dead_strip")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-dead_strip")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-dead_strip")
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elseif(LINUX)
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
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endif()
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endif()
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