Files
openvino/cmake/developer_package/compile_flags/os_flags.cmake
Ilya Lavrenov 24fb09edb3 Improvements in cmake scripts (#4766)
1. Find Threads only once in IEDevScripts package
2. Small refactoring in IE Dev Package
2021-03-15 13:07:38 +03:00

307 lines
11 KiB
CMake

# Copyright (C) 2018-2020 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
#
include(ProcessorCount)
#
# Disables deprecated warnings generation
# Defines ie_c_cxx_deprecated varaible which contains C / C++ compiler flags
#
macro(disable_deprecated_warnings)
if(WIN32)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(ie_c_cxx_deprecated "/Qdiag-disable:1478,1786")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
set(ie_c_cxx_deprecated "/wd4996")
endif()
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(ie_c_cxx_deprecated "-diag-disable=1478,1786")
else()
set(ie_c_cxx_deprecated "-Wno-deprecated-declarations")
endif()
endif()
if(NOT ie_c_cxx_deprecated)
message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ie_c_cxx_deprecated}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ie_c_cxx_deprecated}")
endmacro()
#
# Don't threat deprecated warnings as errors
# Defines ie_c_cxx_deprecated_no_errors varaible which contains C / C++ compiler flags
#
macro(ie_deprecated_no_errors)
if(WIN32)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(ie_c_cxx_deprecated "/Qdiag-warning:1478,1786")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
set(ie_c_cxx_deprecated "/wd4996")
endif()
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(ie_c_cxx_deprecated_no_errors "-diag-warning=1478,1786")
else()
set(ie_c_cxx_deprecated_no_errors "-Wno-error=deprecated-declarations")
endif()
if(NOT ie_c_cxx_deprecated_no_errors)
message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
endif()
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ie_c_cxx_deprecated_no_errors}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ie_c_cxx_deprecated_no_errors}")
endmacro()
#
# Provides SSE4.2 compilation flags depending on an OS and a compiler
#
function(ie_sse42_optimization_flags flags)
if(WIN32)
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# No such option for MSVC 2019
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(${flags} "/arch:SSE4.2 /QxSSE4.2" PARENT_SCOPE)
else()
message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
endif()
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(${flags} "-msse4.2 -xSSE4.2" PARENT_SCOPE)
else()
set(${flags} "-msse4.2" PARENT_SCOPE)
endif()
endif()
endfunction()
#
# Provides AVX2 compilation flags depending on an OS and a compiler
#
function(ie_avx2_optimization_flags flags)
if(WIN32)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(${flags} "/QxCORE-AVX2" PARENT_SCOPE)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
set(${flags} "/arch:AVX2" PARENT_SCOPE)
else()
message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
endif()
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(${flags} "-march=core-avx2 -xCORE-AVX2 -mtune=core-avx2" PARENT_SCOPE)
else()
set(${flags} "-mavx2 -mfma" PARENT_SCOPE)
endif()
endif()
endfunction()
#
# Provides common AVX512 compilation flags for AVX512F instruction set support
# depending on an OS and a compiler
#
function(ie_avx512_optimization_flags flags)
if(WIN32)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(${flags} "/QxCOMMON-AVX512" PARENT_SCOPE)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
set(${flags} "/arch:AVX512" PARENT_SCOPE)
else()
message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
endif()
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(${flags} "-xCOMMON-AVX512" PARENT_SCOPE)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(${flags} "-mavx512f -mfma" PARENT_SCOPE)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "^(Clang|AppleClang)$")
set(${flags} "-mavx512f -mfma" PARENT_SCOPE)
endif()
endif()
endfunction()
function(ie_arm_neon_optimization_flags flags)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
message(WARNING "Unsupported CXX compiler ${CMAKE_CXX_COMPILER_ID}")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# nothing
elseif(ANDROID)
if(ANDROID_ABI STREQUAL "arm64-v8a")
set(${flags} "-mfpu=neon" PARENT_SCOPE)
elseif(ANDROID_ABI STREQUAL "armeabi-v7a-hard with NEON")
set(${flags} "-march=armv7-a -mfloat-abi=hard -mhard-float -D_NDK_MATH_NO_SOFTFP=1 -mfpu=neon" PARENT_SCOPE)
elseif((ANDROID_ABI STREQUAL "armeabi-v7a with NEON") OR
(ANDROID_ABI STREQUAL "armeabi-v7a" AND
DEFINED CMAKE_ANDROID_ARM_NEON AND CMAKE_ANDROID_ARM_NEON))
set(${flags} "-march=armv7-a -mfloat-abi=softfp -mfpu=neon" PARENT_SCOPE)
endif()
else()
if(AARCH64)
set(${flags} "-O2 -ftree-vectorize" PARENT_SCOPE)
elseif(ARM)
set(${flags} "-mfpu=neon" PARENT_SCOPE)
endif()
endif()
endfunction()
#
# Enables Link Time Optimization compilation
#
macro(ie_enable_lto)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE ON)
endmacro()
#
# Adds compiler flags to C / C++ sources
#
macro(ie_add_compiler_flags)
foreach(flag ${ARGN})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
endforeach()
endmacro()
#
# Forced includes certain header file to all target source files
#
function(ov_force_include target scope header_file)
if(MSVC)
target_compile_options(${target} ${scope} /FI"${header_file}")
else()
target_compile_options(${target} ${scope} -include "${header_file}")
endif()
endfunction()
#
# Compilation and linker flags
#
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
# to allows to override CMAKE_CXX_STANDARD from command line
if(NOT DEFINED CMAKE_CXX_STANDARD)
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
set(CMAKE_CXX_STANDARD 14)
else()
set(CMAKE_CXX_STANDARD 11)
endif()
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
if(ENABLE_COVERAGE)
ie_add_compiler_flags(--coverage)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
endif()
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
ie_add_compiler_flags(-fsigned-char)
endif()
# Honor visibility properties for all target types
set(CMAKE_POLICY_DEFAULT_CMP0063 NEW)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)
if(WIN32)
ie_add_compiler_flags(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS)
ie_add_compiler_flags(/EHsc) # no asynchronous structured exception handling
ie_add_compiler_flags(/Gy) # remove unreferenced functions: function level linking
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
if (TREAT_WARNING_AS_ERROR)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
ie_add_compiler_flags(/WX)
ie_add_compiler_flags(/Qdiag-warning:47,1740,1786)
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# ie_add_compiler_flags(/WX) # Too many warnings
endif()
endif()
# Compiler specific flags
ie_add_compiler_flags(/bigobj)
ie_add_compiler_flags(/MP)
# Disable noisy warnings
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# C4251 needs to have dll-interface to be used by clients of class
ie_add_compiler_flags(/wd4251)
# C4275 non dll-interface class used as base for dll-interface class
ie_add_compiler_flags(/wd4275)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
# 161: unrecognized pragma
# 177: variable was declared but never referenced
# 556: not matched type of assigned function pointer
# 1744: field of class type without a DLL interface used in a class with a DLL interface
# 1879: unimplemented pragma ignored
# 2586: decorated name length exceeded, name was truncated
# 2651: attribute does not apply to any entity
# 3180: unrecognized OpenMP pragma
# 11075: To get full report use -Qopt-report:4 -Qopt-report-phase ipo
# 15335: was not vectorized: vectorization possible but seems inefficient. Use vector always directive or /Qvec-threshold0 to override
ie_add_compiler_flags(/Qdiag-disable:161,177,556,1744,1879,2586,2651,3180,11075,15335)
endif()
# Debug information flags, by default CMake adds /Zi option
# but provides no way to specify CMAKE_COMPILE_PDB_NAME on root level
# In order to avoid issues with ninja we are replacing default flag instead of having two of them
# and observing warning D9025 about flag override
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
else()
# TODO: enable for C sources as well
# ie_add_compiler_flags(-Werror)
if(TREAT_WARNING_AS_ERROR)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
endif()
ie_add_compiler_flags(-ffunction-sections -fdata-sections)
ie_add_compiler_flags(-fdiagnostics-show-option)
ie_add_compiler_flags(-Wundef)
ie_add_compiler_flags(-Wreturn-type)
ie_add_compiler_flags(-Wunused-variable)
# Disable noisy warnings
if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
ie_add_compiler_flags(-Wswitch)
elseif(UNIX)
ie_add_compiler_flags(-Wuninitialized -Winit-self)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
ie_add_compiler_flags(-Wno-error=switch)
else()
ie_add_compiler_flags(-Wmaybe-uninitialized)
endif()
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
ie_add_compiler_flags(-diag-disable=remark)
# noisy warnings from Intel Compiler 19.1.1.217 20200306
ie_add_compiler_flags(-diag-disable=2196)
endif()
# Linker flags
if(APPLE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-dead_strip")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-dead_strip")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-dead_strip")
elseif(LINUX)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL")
endif()
endif()