191 lines
6.4 KiB
CMake
191 lines
6.4 KiB
CMake
macro (add_flags_lnk FLAGS)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "${CMAKE_EXE_LINKER_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "${CMAKE_SHARED_LINKER_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "${CMAKE_MODULE_LINKER_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_COVERAGE "${CMAKE_MODULE_LINKER_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${FLAGS}")
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endmacro()
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macro(add_flags_cxx FLAGS)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS}")
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endmacro()
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macro(enable_profile)
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# Declare the flags used for profiling builds:
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if (MSVC)
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set (CXX_PROFILING "/Zi")
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set (LNK_PROFILING "/PROFILE /DEBUG")
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else()
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set (CXX_PROFILING "-pg")
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set (LNK_PROFILING "-pg")
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endif()
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# Declare the profiling configurations:
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SET(CMAKE_CXX_FLAGS_DEBUGPROFILE
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"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C++ compiler during profile builds."
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FORCE )
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SET(CMAKE_C_FLAGS_DEBUGPROFILE
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"${CMAKE_C_FLAGS_DEBUG} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C compiler during profile builds."
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FORCE )
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SET(CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE
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"${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}"
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CACHE STRING "Flags used for linking binaries during profile builds."
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FORCE )
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SET(CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE
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"${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}"
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CACHE STRING "Flags used by the shared libraries linker during profile builds."
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FORCE )
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MARK_AS_ADVANCED(
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CMAKE_CXX_FLAGS_DEBUGPROFILE
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CMAKE_C_FLAGS_DEBUGPROFILE
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CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE
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CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE )
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SET(CMAKE_CXX_FLAGS_RELEASEPROFILE
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"${CMAKE_CXX_FLAGS_RELEASE} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C++ compiler during profile builds."
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FORCE )
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SET(CMAKE_C_FLAGS_RELEASEPROFILE
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"${CMAKE_C_FLAGS_RELEASE} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C compiler during profile builds."
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FORCE )
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SET(CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE
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"${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}"
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CACHE STRING "Flags used for linking binaries during profile builds."
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FORCE )
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SET(CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE
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"${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}"
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CACHE STRING "Flags used by the shared libraries linker during profile builds."
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FORCE )
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MARK_AS_ADVANCED(
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CMAKE_CXX_FLAGS_RELEASEPROFILE
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CMAKE_C_FLAGS_RELEASEPROFILE
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CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE
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CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE )
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# The configuration types need to be set after their respective c/cxx/linker flags and before the project directive
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if(MSVC)
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set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile" CACHE STRING "" FORCE)
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else()
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set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile;Coverage" CACHE STRING "" FORCE)
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endif()
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endmacro()
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function(set_global_flags)
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if(MSVC)
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# Make build use multiple threads under MSVC:
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add_compile_options(/MP)
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# Make build use Unicode:
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add_compile_definitions(UNICODE _UNICODE)
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# Turn off CRT warnings:
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add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
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return ()
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endif()
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# Allow for a forced 32-bit build under 64-bit OS:
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if (FORCE_32)
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add_compile_options(-m32)
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add_link_options(-m32)
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endif()
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# https://en.wikipedia.org/wiki/Uname
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# https://gcc.gnu.org/onlinedocs/gcc/index.html
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# Have the compiler generate code specifically targeted at the current machine on Linux:
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if(NOT NO_NATIVE_OPTIMIZATION AND NOT CMAKE_CROSSCOMPILING)
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string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} SYSTEM_PROCESSOR)
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if (SYSTEM_PROCESSOR MATCHES "^(i386|i686|x86|amd64|mips)")
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message(STATUS "Optimising for this machine (march=native)")
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add_compile_options(-march=native)
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elseif (SYSTEM_PROCESSOR MATCHES "^(arm|aarch|powerpc|ppc|sparc|alpha)")
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message(STATUS "Optimising for this machine (mcpu=native)")
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add_compile_options(-mcpu=native)
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endif()
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endif()
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endfunction()
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function(set_exe_flags TARGET)
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if (MSVC)
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# TODO: Warnings as errors
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target_compile_options(
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${TARGET} PRIVATE
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# Warnings level 4:
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/W4
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# Excessive amount of logspam (Unreferenced formal parameter), disable for now:
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/wd4100
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)
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return ()
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endif()
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target_compile_options(
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${TARGET} PRIVATE
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# We use a signed char (fixes #640 on RasPi)
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# TODO: specify this in code, not a compile flag:
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-fsigned-char
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# We support non-IEEE 754 FPUs so can make no guarantees about error:
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-ffast-math
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# All warnings:
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-Wall -Wextra
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# Excessive amount of logspam, disable for now:
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-Wno-unused-parameter
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)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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target_compile_options(
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${TARGET} PRIVATE
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# Warnings-as-errors only on Clang for now:
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-Werror
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# TODO: actually fix the warnings instead of disabling them
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# or at least disable on a file-level basis:
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-Wno-missing-noreturn -Wno-padded -Wno-implicit-fallthrough
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-Wno-double-promotion
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# This is a pretty useless warning, we've already got -Wswitch which is what we need:
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-Wno-switch-enum
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# Weverything with Clang exceptions:
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-Weverything -Wno-exit-time-destructors -Wno-error=disabled-macro-expansion
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-Wno-weak-vtables -Wno-string-conversion -Wno-c++98-compat-pedantic -Wno-documentation
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-Wno-documentation-unknown-command -Wno-reserved-id-macro -Wno-error=unused-command-line-argument
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)
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7)
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target_compile_options(
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${TARGET} PRIVATE
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# We aren't using C++11:
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-Wno-return-std-move-in-c++11
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)
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endif()
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
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target_compile_options(
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${TARGET} PRIVATE
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# int to float conversions happen a lot, not worth fixing all warnings:
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-Wno-implicit-int-float-conversion
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)
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endif()
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endif()
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endfunction()
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