Add support for clang & clang-cl
This commit is contained in:
Yuhang Zhao
parent
be821fca7e
commit
3ed1b67bed
227
utils.cmake
227
utils.cmake
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@ -151,6 +151,11 @@ function(setup_project)
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string(REGEX REPLACE "[-|/]w " " " CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
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string(REGEX REPLACE "[-|/]W[0|1|2|3|4|all|X] " " " CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
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endif()
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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if(NOT ("x${CMAKE_C_FLAGS_RELEASE}" STREQUAL "x"))
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string(REGEX REPLACE "-O[d|0|1|2|3|fast] " " " CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
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endif()
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endif()
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if(PROJ_ARGS_NO_WARNING)
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string(APPEND CMAKE_C_FLAGS " /w ")
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elseif(PROJ_ARGS_MAX_WARNING)
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@ -166,7 +171,15 @@ function(setup_project)
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if(NOT ("x${CMAKE_C_FLAGS_RELEASE}" STREQUAL "x"))
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string(REGEX REPLACE "[-|/]Ob[0|1|2|3] " " " CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
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endif()
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string(APPEND CMAKE_C_FLAGS_RELEASE " /Ob3 ")
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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string(APPEND CMAKE_C_FLAGS_RELEASE " /Ob2 ")
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else()
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string(APPEND CMAKE_C_FLAGS_RELEASE " /Ob3 ")
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endif()
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set(CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} PARENT_SCOPE)
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endif()
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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string(APPEND CMAKE_C_FLAGS_RELEASE " /clang:-Ofast ")
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set(CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} PARENT_SCOPE)
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endif()
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else()
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@ -174,6 +187,9 @@ function(setup_project)
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string(REPLACE "-w " " " CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
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string(REGEX REPLACE "-W[all|extra|error|pedantic] " " " CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
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endif()
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if(NOT ("x${CMAKE_C_FLAGS_RELEASE}" STREQUAL "x"))
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string(REGEX REPLACE "-O[d|0|1|2|3|fast] " " " CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
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endif()
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if(PROJ_ARGS_NO_WARNING)
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string(APPEND CMAKE_C_FLAGS " -w ")
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elseif(PROJ_ARGS_MAX_WARNING)
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@ -184,7 +200,9 @@ function(setup_project)
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if(PROJ_ARGS_WARNINGS_ARE_ERRORS)
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string(APPEND CMAKE_C_FLAGS " -Werror ")
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endif()
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string(APPEND CMAKE_C_FLAGS_RELEASE " -Ofast ")
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set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} PARENT_SCOPE)
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set(CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} PARENT_SCOPE)
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endif()
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elseif(__lang STREQUAL "CXX")
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enable_language(CXX)
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@ -201,6 +219,11 @@ function(setup_project)
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string(REGEX REPLACE "[-|/]w " " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
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string(REGEX REPLACE "[-|/]W[0|1|2|3|4|all|X] " " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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if(NOT ("x${CMAKE_CXX_FLAGS_RELEASE}" STREQUAL "x"))
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string(REGEX REPLACE "-O[d|0|1|2|3|fast] " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
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endif()
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endif()
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if(PROJ_ARGS_NO_WARNING)
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string(APPEND CMAKE_CXX_FLAGS " /w ")
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elseif(PROJ_ARGS_MAX_WARNING)
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@ -226,7 +249,15 @@ function(setup_project)
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if(NOT ("x${CMAKE_CXX_FLAGS_RELEASE}" STREQUAL "x"))
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string(REGEX REPLACE "[-|/]Ob[0|1|2|3] " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
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endif()
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string(APPEND CMAKE_CXX_FLAGS_RELEASE " /Ob3 ")
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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string(APPEND CMAKE_CXX_FLAGS_RELEASE " /Ob2 ")
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else()
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string(APPEND CMAKE_CXX_FLAGS_RELEASE " /Ob3 ")
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endif()
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set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} PARENT_SCOPE)
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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string(APPEND CMAKE_CXX_FLAGS_RELEASE " /clang:-Ofast ")
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set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} PARENT_SCOPE)
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endif()
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else()
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@ -234,6 +265,9 @@ function(setup_project)
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string(REPLACE "-w " " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
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string(REGEX REPLACE "-W[all|extra|error|pedantic] " " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
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endif()
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if(NOT ("x${CMAKE_CXX_FLAGS_RELEASE}" STREQUAL "x"))
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string(REGEX REPLACE "-O[d|0|1|2|3|fast] " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
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endif()
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if(PROJ_ARGS_NO_WARNING)
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string(APPEND CMAKE_CXX_FLAGS " -w ")
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elseif(PROJ_ARGS_MAX_WARNING)
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@ -254,7 +288,9 @@ function(setup_project)
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else()
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string(APPEND CMAKE_CXX_FLAGS " -fno-exceptions ")
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endif()
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string(APPEND CMAKE_CXX_FLAGS_RELEASE " -Ofast ")
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set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} PARENT_SCOPE)
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set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} PARENT_SCOPE)
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endif()
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elseif(__lang STREQUAL "RC")
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if(WIN32)
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@ -394,13 +430,13 @@ function(setup_compile_params)
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STRICT # https://learn.microsoft.com/en-us/windows/win32/winprog/enabling-strict
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WIN32_LEAN_AND_MEAN WINRT_LEAN_AND_MEAN # Filter out some rarely used headers, to increase compilation speed.
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)
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if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang") # Clang-CL doesn't support most of these parameters.
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if(NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
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target_compile_options(${__target} PRIVATE
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/bigobj /utf-8 $<$<NOT:$<CONFIG:Debug>>:/fp:fast /GT /Gw /Gy /Zc:inline>
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)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:/OPT:REF /OPT:ICF /OPT:LBR>
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/DYNAMICBASE /NXCOMPAT /LARGEADDRESSAWARE /WX
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/DYNAMICBASE /FIXED:NO /NXCOMPAT /LARGEADDRESSAWARE /WX
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)
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if(__target_type STREQUAL "EXECUTABLE")
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target_compile_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/GA>)
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@ -423,6 +459,9 @@ function(setup_compile_params)
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target_compile_options(${__target} PRIVATE /d2FH4)
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endif()
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endif()
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if(MSVC_VERSION GREATER_EQUAL 1925) # Visual Studio 2019 version 16.5
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target_compile_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/QIntel-jcc-erratum>)
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endif()
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if(MSVC_VERSION GREATER_EQUAL 1929) # Visual Studio 2019 version 16.10
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target_compile_options(${__target} PRIVATE /await:strict)
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elseif(MSVC_VERSION GREATER_EQUAL 1900) # Visual Studio 2015
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@ -440,11 +479,6 @@ function(setup_compile_params)
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target_link_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/CETCOMPAT>)
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endif()
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endif()
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if(COM_ARGS_INTELJCC)
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if(MSVC_VERSION GREATER_EQUAL 1925) # Visual Studio 2019 version 16.5
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target_compile_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/QIntel-jcc-erratum>)
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endif()
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endif()
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if(COM_ARGS_SPECTRE)
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if(MSVC_VERSION GREATER_EQUAL 1925) # Visual Studio 2019 version 16.5
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target_compile_options(${__target} PRIVATE /Qspectre-load)
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@ -509,41 +543,39 @@ function(setup_compile_params)
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endif()
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endif()
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else()
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# MinGW also supports these flags.
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-ffp-contract=fast -ffast-math -ffunction-sections -fdata-sections>
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-pipe # Use pipes for communicating between sub-processes. Faster. Have no effect for Clang.
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$<$<NOT:$<CONFIG:Debug>>:-ffp-contract=fast -fomit-frame-pointer -ffunction-sections -fdata-sections>
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)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-Wl,--icf=all> # Is it supported by other linkers than LLD?
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)
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#[[target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fsanitize=shadow-call-stack -fno-stack-protector>
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)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fsanitize=shadow-call-stack -fno-stack-protector>
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)]]
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if(APPLE)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-Wl,-dead_strip>
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-Wl,-fatal_warnings
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$<$<NOT:$<CONFIG:Debug>>:-Wl,-dead_strip -Wl,-no_data_in_code_info -Wl,-no_function_starts>
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)
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else()
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-Wl,--gc-sections>
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-Wl,--fatal-warnings -Wl,--build-id=sha1
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$<$<NOT:$<CONFIG:Debug>>:-Wl,--gc-sections -Wl,-O3> # Specifically tell the linker to perform optimizations.
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)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-Wa,-mbranches-within-32B-boundaries>
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)
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endif()
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if(COM_ARGS_INTELCET)
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if(MINGW)
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# Currently not supported.
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else()
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fcf-protection=full>
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)
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endif()
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endif()
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if(COM_ARGS_INTELJCC)
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if(MINGW)
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# Currently not supported.
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else()
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set(__prefix)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set(__prefix "-Wa,")
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endif()
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:${__prefix}-mbranches-within-32B-boundaries>
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)
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unset(__prefix)
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endif()
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-mshstk -fcf-protection=full>
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)
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endif()
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if(COM_ARGS_CFGUARD)
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if(MINGW)
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@ -551,35 +583,20 @@ function(setup_compile_params)
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$<$<NOT:$<CONFIG:Debug>>:-mguard=cf>
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)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-Wl,-mguard=cf>
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$<$<NOT:$<CONFIG:Debug>>:-Wl,-mguard=cf> # TODO: Do we need "-Wl," here?
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)
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else()
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# AppleClang says x86 doesn't support -fsanitize=cfi -fsanitize-cfi-cross-dso, why?
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elseif(APPLE)
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fcf-protection=full>
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)
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else()
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fsanitize=cfi -fsanitize-cfi-cross-dso>
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)
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endif()
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endif()
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if(COM_ARGS_SPECTRE)
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if(MINGW)
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# Currently not supported.
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:
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-mretpoline
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-mspeculative-load-hardening
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>
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)
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# AppleClang can't recognize these parameters, why?
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#[[target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:
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-Wl,-z,relro
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-Wl,-z,now
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-Wl,-z,noexecstack
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-Wl,-z,separate-code
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>
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)]]
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:
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# These parameters are not compatible with -fcf-protection=full
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@ -593,6 +610,104 @@ function(setup_compile_params)
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endif()
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endif()
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(__lto_enabled)
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if(DEFINED CMAKE_BUILD_TYPE)
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set(__upper_type)
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string(TOUPPER ${CMAKE_BUILD_TYPE} __upper_type)
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get_target_property(__lto_enabled ${__target} INTERPROCEDURAL_OPTIMIZATION_${__upper_type})
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endif()
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if(NOT __lto_enabled)
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get_target_property(__lto_enabled ${__target} INTERPROCEDURAL_OPTIMIZATION)
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endif()
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if(__lto_enabled)
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fsplit-lto-unit -fwhole-program-vtables>
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)
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if(MSVC)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:/OPT:lldltojobs=all /OPT:lldlto=3> # /lldltocachepolicy:cache_size=10%:cache_size_bytes=40g:cache_size_files=100000
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)
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else()
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-fwhole-program-vtables -Wl,--thinlto-jobs=all -Wl,--lto-O3> # -Wl,--thinlto-cache-policy=cache_size=10%:cache_size_bytes=40g:cache_size_files=100000
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)
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endif()
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endif()
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target_compile_options(${__target} PRIVATE
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-fcolor-diagnostics
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# Enable -fmerge-all-constants. This used to be the default in clang
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# for over a decade. It makes clang non-conforming, but is fairly safe
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# in practice and saves some binary size.
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-fmerge-all-constants
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)
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if(MSVC)
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# Required to make the 19041 SDK compatible with clang-cl.
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target_compile_definitions(${__target} PRIVATE __WRL_ENABLE_FUNCTION_STATICS__)
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target_compile_options(${__target} PRIVATE
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/bigobj /utf-8 /FS
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-fmsc-version=1935 # Tell clang-cl to emulate Visual Studio 2022 version 17.5
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# This flag enforces that member pointer base types are complete.
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# It helps prevent us from running into problems in the Microsoft C++ ABI.
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-fcomplete-member-pointers
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# Consistently use backslash as the path separator when expanding the
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# __FILE__ macro when targeting Windows regardless of the build environment.
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-ffile-reproducible
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# Enable ANSI escape codes if something emulating them is around (cmd.exe
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# doesn't understand ANSI escape codes by default).
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-fansi-escape-codes
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/Zc:dllexportInlines- # Do not export inline member functions. This is similar to "-fvisibility-inlines-hidden".
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/Zc:char8_t /Zc:sizedDealloc /Zc:strictStrings /Zc:threadSafeInit /Zc:trigraphs /Zc:twoPhase
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/clang:-mcx16 # Needed by _InterlockedCompareExchange128() from CPP/WinRT.
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$<$<NOT:$<CONFIG:Debug>>:/clang:-mbranches-within-32B-boundaries /fp:fast /Gw /Gy /Zc:inline>
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)
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target_link_options(${__target} PRIVATE
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--color-diagnostics
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/DYNAMICBASE /FIXED:NO /NXCOMPAT /LARGEADDRESSAWARE
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$<$<NOT:$<CONFIG:Debug>>:/OPT:REF /OPT:ICF /OPT:LBR /OPT:lldtailmerge>
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)
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if(__target_type STREQUAL "EXECUTABLE")
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target_compile_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/GA>)
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target_link_options(${__target} PRIVATE /TSAWARE)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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target_link_options(${__target} PRIVATE /HIGHENTROPYVA)
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endif()
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if(COM_ARGS_CFGUARD)
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target_compile_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/guard:cf>)
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target_link_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/GUARD:CF>)
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endif()
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if(COM_ARGS_INTELCET)
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target_link_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/CETCOMPAT>)
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endif()
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if(COM_ARGS_EHCONTGUARD)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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target_compile_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/guard:ehcont>)
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target_link_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/guard:ehcont>)
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endif()
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endif()
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else()
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target_compile_options(${__target} PRIVATE -fuse-ld=lld)
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target_link_options(${__target} PRIVATE
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-Wl,--color-diagnostics -Wl,-z,keep-text-section-prefix
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)
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if(APPLE)
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target_compile_options(${__target} PRIVATE -fobjc-arc -fobjc-call-cxx-cdtors) # http://clang.llvm.org/docs/AutomaticReferenceCounting.html
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target_link_options(${__target} PRIVATE $<$<NOT:$<CONFIG:Debug>>:-Wl,--strict-auto-link>)
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endif()
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if(COM_ARGS_SPECTRE)
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target_compile_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-mretpoline -mspeculative-load-hardening>
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)
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# AppleClang can't recognize these parameters, why?
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if(NOT APPLE)
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target_link_options(${__target} PRIVATE
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$<$<NOT:$<CONFIG:Debug>>:-Wl,-z,relro -Wl,-z,now -Wl,-z,noexecstack -Wl,-z,separate-code>
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)
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endif()
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endif()
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endif()
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endif()
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endforeach()
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endfunction()
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