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cmake: Upgrade C/C++ compiler adjustments to modern CMake
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1 changed files with 46 additions and 50 deletions
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@ -101,57 +101,53 @@ else()
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set(ARCH "x64")
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endif()
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# All Warnings, Extra Warnings, Pedantic
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# using Clang
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-missing-braces -Wmissing-field-initializers -Wno-c++98-compat-pedantic -Wold-style-cast -Wno-documentation -Wno-documentation-unknown-command -Wno-covered-switch-default -Wno-switch-enum")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-missing-braces -Wmissing-field-initializers -Wno-c++98-compat-pedantic -Wold-style-cast -Wno-documentation -Wno-documentation-unknown-command -Wno-covered-switch-default -Wno-switch-enum")
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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# GCC: -fpermissive is required as GCC does not allow the same template to be in different namespaces.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fpermissive -Wno-long-long -Wno-missing-braces -Wmissing-field-initializers")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fpermissive -Wno-long-long -Wno-missing-braces -Wmissing-field-initializers")
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
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# using Intel C++
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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set(MSVC_EXTRA_FLAGS "/wd4061 /wd4100 /wd4180 /wd4201 /wd4464 /wd4505 /wd4514 /wd4571 /wd4623 /wd4625 /wd4626 /wd4668 /wd4710 /wd4774 /wd4820 /wd5026 /wd5027 /wd5039 /wd5045 /wd26812")
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# Force to always compile with W4
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if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
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string(REGEX REPLACE "/W[0-4]" "/Wall" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Wall")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MSVC_EXTRA_FLAGS}")
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################################################################################
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# C/C++ Compiler Adjustments
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################################################################################
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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
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message(STATUS "Applying custom flags for MSVC style build.")
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# MSVC/ClangCL
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# - Dynamically link Microsoft C/C++ Redistributable.
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# - Enable /W3 and disable useless warnings.
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# - Enable C++ exceptions with SEH exceptions.
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# - Enable multi-processor compiling.
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# Enable most useful warnings.
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set(DISABLED_WARNINGS
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"/wd4061" "/wd4100" "/wd4180" "/wd4201" "/wd4464" "/wd4505" "/wd4514"
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"/wd4571" "/wd4623" "/wd4625" "/wd4626" "/wd4668" "/wd4710" "/wd4774"
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"/wd4820" "/wd5026" "/wd5027" "/wd5039" "/wd5045" "/wd26812"
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)
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add_compile_options("/W3")
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foreach(WARN ${DISABLED_WARNINGS})
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add_compile_options("${WARN}")
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endforeach()
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# Build with dynamic MSVC linkage.
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add_compile_options(
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$<$<CONFIG:>:/MD>
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$<$<CONFIG:Debug>:/MDd>
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$<$<CONFIG:Release>:/MD>
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$<$<CONFIG:RelWithDebInfo>:/MD>
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$<$<CONFIG:MinSizeRel>:/MD>
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)
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# C++ Exceptions & SEH
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add_compile_options("/EHa")
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# Multiprocessor compiling
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add_compile_options("/MP")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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message(STATUS "Applying custom flags for GNU style build.")
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if(CMAKE_C_FLAGS MATCHES "/W[0-4]")
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string(REGEX REPLACE "/W[0-4]" "/Wall" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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else()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Wall")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MSVC_EXTRA_FLAGS}")
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if("${PropertyPrefix}" STREQUAL "")
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# Speed Optimized Configuration
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set(_SPEED_COMPILER_FLAGS "/O2 /Oi /Ot /Oy /GF /GS- /Qpar /arch:AVX /GR /GL")
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set(_SPEED_LINKER_FLAGS "/LTCG:incremental /OPT:ICF=4 /INCREMENTAL /OPT:REF")
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set(CMAKE_CXX_FLAGS_SPEED "${CMAKE_CXX_FLAGS_RELWTIHDEBINFO} ${_SPEED_COMPILER_FLAGS}")
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set(CMAKE_C_FLAGS_SPEED "${CMAKE_C_FLAGS_RELWTIHDEBINFO} ${_SPEED_COMPILER_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_SPEED "${CMAKE_EXE_LINKER_FLAGS_RELWTIHDEBINFO} ${_SPEED_LINKER_FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_SPEED "${CMAKE_EXE_LINKER_FLAGS_RELWTIHDEBINFO} ${_SPEED_LINKER_FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_SPEED "${CMAKE_EXE_LINKER_FLAGS_RELWTIHDEBINFO} ${_SPEED_LINKER_FLAGS}")
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mark_as_advanced(
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CMAKE_CXX_FLAGS_SPEED
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CMAKE_C_FLAGS_SPEED
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CMAKE_EXE_LINKER_FLAGS_SPEED
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CMAKE_SHARED_LINKER_FLAGS_SPEED
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CMAKE_MODULE_LINKER_FLAGS_SPEED
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)
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if(CMAKE_CONFIGURATION_TYPES)
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list(APPEND CMAKE_CONFIGURATION_TYPES Speed)
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list(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)
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CacheSet(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}")
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endif()
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endif()
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# Clang/AppleClang/GNU
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# - Don't export by default.
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# - Enable all and extra warnings.
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add_compile_options("-Wall")
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add_compile_options("-Wextra")
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add_compile_options("-fvisibility=hidden")
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endif()
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# C++ Standard and Extensions
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