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Configurations.cmake
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Configurations.cmake
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option(OUTPUT_MAP "Output .map file." OFF)
set(ADDITIONAL_COMPILER_PARAMETERS "" CACHE STRING "User-specified compiler flags")
option(ENABLE_NEON OFF)
option(ENABLE_SSE OFF)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCXX)
set(ALL_WARNINGS "-Wall -Wextra -Woverloaded-virtual -Wctor-dtor-privacy -Wnon-virtual-dtor")
set(ALL_WARNINGS "${ALL_WARNINGS} -Wold-style-cast -Wconversion -Wsign-conversion -Winit-self -Wunreachable-code -pedantic")
set(COMMON_PARAMETERS "${ALL_WARNINGS} -std=c++11 ${ADDITIONAL_COMPILER_PARAMETERS} -I Intra")
if(${CMAKE_GENERATOR} MATCHES "Unix Makefiles")
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -pthread")
endif()
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
elif(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} ${ALL_WARNINGS} --memory-init-file 0 -s NO_EXIT_RUNTIME=1 -s NO_FILESYSTEM=1 -s EXPORTED_RUNTIME_METHODS=\"['UTF8ToString', 'HEAPF32', '_free', '_malloc', 'HEAPU8']\" -s EXPORTED_FUNCTIONS=\"['UTF8ToString', 'HEAPF32', '_free', '_malloc', 'HEAPU8']\" ")
else()
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -D_FILE_OFFSET_BITS=64")
endif()
option(COMPILE_32_BIT "Compile as 32 bit application." OFF)
option(COMPILE_64_BIT "Compile as 64 bit application." OFF)
option(NATIVE_TUNE "Optimize for current processor (-mtune=native)." OFF)
if(COMPILE_64_BIT)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -m64")
if(COMPILE_32_BIT)
message("Selected both options 64 and 32 bit. 64 bit build is chosen.")
endif()
elseif(COMPILE_32_BIT)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -m32")
endif()
if(ENABLE_SSE)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -msse2")
else()
add_definitions(-D INTRA_MIN_SIMD_SUPPORT=0)
endif()
if(ENABLE_NEON AND NOT NATIVE_TUNE)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -march=armv7-a -mfloat-abi=softfp -mfpmath=neon")
endif()
if(NATIVE_TUNE)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -mtune=native")
endif()
if(OUTPUT_MAP)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=output.map" CACHE INTERNAL "" FORCE)
endif()
if(USE_EXCEPTIONS)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -fexceptions")
else()
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -fno-exceptions")
endif()
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} -ftemplate-backtrace-limit=0")
endif()
set(COMMON_MINSIZE_OPTIMIZATIONS "-fno-math-errno -fmerge-all-constants -ffunction-sections -fdata-sections -fno-rtti")
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(COMMON_MINSIZE_OPTIMIZATIONS "${COMMON_MINSIZE_OPTIMIZATIONS} ")
else()
set(COMMON_MINSIZE_OPTIMIZATIONS "${COMMON_MINSIZE_OPTIMIZATIONS} -Wl,--gc-sections")
endif()
set(ALL_MINSIZE_OPTIMIZATIONS "${COMMON_MINSIZE_OPTIMIZATIONS} -fno-stack-protector -g0 -fno-unroll-loops -fno-asynchronous-unwind-tables")
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(ALL_MINSIZE_OPTIMIZATIONS "${ALL_MINSIZE_OPTIMIZATIONS} ")
else()
set(ALL_MINSIZE_OPTIMIZATIONS "${ALL_MINSIZE_OPTIMIZATIONS} -Wl,-s")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wl,-s")
endif()
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${COMMON_PARAMETERS} ${COMMON_MINSIZE_OPTIMIZATIONS} -ffast-math")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} ${COMMON_PARAMETERS} ${ALL_MINSIZE_OPTIMIZATIONS} -ffast-math")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${COMMON_PARAMETERS} -O0 -D_DEBUG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COMMON_PARAMETERS} ${COMMON_MINSIZE_OPTIMIZATIONS} -ffast-math -D_DEBUG")
set(CMAKE_CXX_FLAGS "${COMMON_PARAMETERS}")
if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2 --llvm-lto 3 -s ELIMINATE_DUPLICATE_FUNCTIONS=1 --closure 2 --memory-init-file 0")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -Os --llvm-lto 3 -s ELIMINATE_DUPLICATE_FUNCTIONS=1 --closure 1 --memory-init-file 0")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -g4")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -s ASSERTIONS=2 -g4 -s SAFE_HEAP=1 -s DEMANGLE_SUPPORT=1")
set(CMAKE_CXX_FLAGS "${COMMON_PARAMETERS} -O2 --llvm-lto 1")
else()
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -Os")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g3")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -Ofast -g3")
set(CMAKE_CXX_FLAGS "${COMMON_PARAMETERS}")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_MINSIZEREL}")
endif()
elseif(MSVC)
set(COMMON_PARAMETERS "/Wall /MP ${ADDITIONAL_COMPILER_PARAMETERS}")
if(ENABLE_SSE)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} /arch:SSE2")
elseif("${CMAKE_SIZEOF_VOID_P}" EQUAL "4")
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} /arch:IA32")
endif()
if(USE_EXCEPTIONS)
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} /EHsc")
else()
set(COMMON_PARAMETERS "${COMMON_PARAMETERS} ")
endif()
set(CMAKE_CXX_FLAGS_RELEASE "${COMMON_PARAMETERS} /Ox /Ot /Oi /GT /GL /GF /Gy /MT /fp:fast")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${COMMON_PARAMETERS} /O1 /Os /Oi /GT /GL /GF /GS- /Gy /MT /fp:fast")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${COMMON_PARAMETERS} /O3 /Ot /Oi /GT /GL /GF /Gy /MT /fp:fast /Zi /D_DEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${COMMON_PARAMETERS} /Od /MDd /fp:fast /Zi /D_DEBUG /RTC1")
set(CMAKE_CXX_FLAGS "${COMMON_PARAMETERS}")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG /DYNAMICBASE:NO /FIXED")
set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
if(OUTPUT_MAP)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MAP")
endif()
endif()
function(init_project_sources DIR HEADER_VARIABLE_NAME SOURCE_VARIABLE_NAME)
file(GLOB_RECURSE headers RELATIVE "${DIR}" *.h)
file(GLOB_RECURSE sources RELATIVE "${DIR}" *.cpp)
foreach(_source IN ITEMS ${headers})
get_filename_component(_source_path "${_source}" PATH)
string(REPLACE "/" "\\" _group_path "${_source_path}")
source_group("${_group_path}" FILES "${_source}")
endforeach()
foreach(_source IN ITEMS ${sources})
get_filename_component(_source_path "${_source}" PATH)
string(REPLACE "/" "\\" _group_path "${_source_path}")
source_group("${_group_path}" FILES "${_source}")
endforeach()
set(${HEADER_VARIABLE_NAME} ${${HEADER_VARIABLE_NAME}} ${headers} PARENT_SCOPE)
set(${SOURCE_VARIABLE_NAME} ${${SOURCE_VARIABLE_NAME}} ${sources} PARENT_SCOPE)
endfunction(init_project_sources)
function(exclude_project_sources_directory DIR HEADER_VARIABLE_NAME SOURCE_VARIABLE_NAME)
foreach(CURRENT_PATH ${${HEADER_VARIABLE_NAME}})
string(FIND ${CURRENT_PATH} ${DIR} EXCLUDE_DIR_FOUND)
if(${EXCLUDE_DIR_FOUND} EQUAL -1)
list(APPEND NEW_HEADER_LIST ${CURRENT_PATH})
endif()
endforeach(CURRENT_PATH)
set(${HEADER_VARIABLE_NAME} ${NEW_HEADER_LIST} PARENT_SCOPE)
foreach(CURRENT_PATH ${${SOURCE_VARIABLE_NAME}})
string(FIND ${CURRENT_PATH} ${DIR} EXCLUDE_DIR_FOUND)
if(${EXCLUDE_DIR_FOUND} EQUAL -1)
list(APPEND NEW_SOURCE_LIST ${CURRENT_PATH})
endif()
endforeach(CURRENT_PATH)
set(${SOURCE_VARIABLE_NAME} ${NEW_SOURCE_LIST} PARENT_SCOPE)
endfunction(exclude_project_sources_directory)
function(enable_unity_build UB_NAME SOURCE_VARIABLE_NAME)
set(files ${${SOURCE_VARIABLE_NAME}})
# Generate a unique filename for the unity build translation unit
set(unit_build_file ${CMAKE_CURRENT_BINARY_DIR}/${UB_NAME}.UB.cc)
# Exclude all translation units from compilation
set_source_files_properties(${files} PROPERTIES HEADER_FILE_ONLY true)
# Open the ub file
FILE(WRITE ${unit_build_file} "// Unity Build generated by CMake\n")
# Add include statement for each translation unit
foreach(source_file ${files} )
FILE( APPEND ${unit_build_file} "#include <${CMAKE_CURRENT_SOURCE_DIR}/${source_file}>\n")
endforeach(source_file)
# Complement list of translation units with the name of ub
set(${SOURCE_VARIABLE_NAME} ${${SOURCE_VARIABLE_NAME}} ${unit_build_file} PARENT_SCOPE)
endfunction(enable_unity_build)