dolphin/Source/CMakeLists.txt

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option(DOLPHIN_CXX_FLAGS "Flags used to compile Dolphin-only sources" "")
if(DOLPHIN_CXX_FLAGS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DOLPHIN_CXX_FLAGS}")
endif()
if(CMAKE_SYSTEM_NAME MATCHES "Windows")
add_definitions(-DNOMINMAX)
add_definitions(-DUNICODE)
add_definitions(-D_UNICODE)
add_definitions(-DWIN32_LEAN_AND_MEAN)
add_definitions(-D_WIN32_WINNT=0x0602)
add_definitions(-D_SCL_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
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add_definitions(-D_CRT_NONSTDC_NO_WARNINGS)
add_definitions(-D_SILENCE_CXX17_CODECVT_HEADER_DEPRECATION_WARNING)
endif()
if (MSVC)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std:c++latest")
else()
set(CMAKE_CXX_STANDARD 17)
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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if (MSVC)
# TODO: Use https://cmake.org/cmake/help/latest/policy/CMP0092.html instead (once we can require CMake >= 3.15)
# Taken from http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace.
foreach(flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
MAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
# Replaces /W3 with /W4 in defaults (add_compile_options would cause very annoying warnings here)
string(REPLACE "/W3" "/W4" ${flag_var} "${${flag_var}}")
endforeach()
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# Disable some warnings
add_compile_options(
/wd4201 # nonstandard extension used : nameless struct/union
/wd4127 # conditional expression is constant
/wd4100 # 'identifier' : unreferenced formal parameter
/wd4200 # InputCommon fix temp.
/wd4244 # 'conversion' conversion from 'type1' to 'type2', possible loss of data
/wd4121 # 'symbol' : alignment of a member was sensitive to packing
/wd4324 # Padding was added at the end of a structure because you specified a __declspec(align) value.
/wd4714 # function 'function' marked as __forceinline not inlined
/wd4351 # new behavior: elements of array 'array' will be default initialized
# TODO: Enable this warning once possible
/wd4245 # conversion from 'type1' to 'type2', signed/unsigned mismatch
# Currently jits use some annoying code patterns which makes this common
)
# Additional warnings
add_compile_options(
/w44263 # Non-virtual member function hides base class virtual function
/w44265 # Class has virtual functions, but destructor is not virtual
)
# Treat all warnings as errors
add_compile_options(/WX)
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# All files are encoded as UTF-8
add_compile_options(/utf-8)
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# Use PCH
add_subdirectory(PCH)
add_definitions(/I${PCH_DIRECTORY})
add_definitions(/Yu${PCH_PATH})
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# Don't include timestamps in binaries
add_link_options(/Brepro)
else()
check_and_add_flag(HAVE_WALL -Wall)
# TODO: would like these but they produce overwhelming amounts of warnings
#check_and_add_flag(EXTRA -Wextra)
#check_and_add_flag(MISSING_FIELD_INITIALIZERS -Wmissing-field-initializers)
#check_and_add_flag(SWITCH_DEFAULT -Wswitch-default)
#check_and_add_flag(FLOAT_EQUAL -Wfloat-equal)
#check_and_add_flag(CONVERSION -Wconversion)
#check_and_add_flag(ZERO_AS_NULL_POINTER_CONSTANT -Wzero-as-null-pointer-constant)
check_and_add_flag(TYPE_LIMITS -Wtype-limits)
check_and_add_flag(SIGN_COMPARE -Wsign-compare)
check_and_add_flag(IGNORED_QUALIFIERS -Wignored-qualifiers)
check_and_add_flag(UNINITIALIZED -Wuninitialized)
check_and_add_flag(LOGICAL_OP -Wlogical-op)
check_and_add_flag(SHADOW -Wshadow)
check_and_add_flag(INIT_SELF -Winit-self)
check_and_add_flag(MISSING_DECLARATIONS -Wmissing-declarations)
check_and_add_flag(MISSING_VARIABLE_DECLARATIONS -Wmissing-variable-declarations)
# Disable -Wstringop-truncation warnings as they result in many false positives.
# In most (all?) cases where std::strncpy is used, we want to fill the entire buffer
# or match emulated code that also ignores the null terminator, so the warnings are not useful.
# Given that Dolphin itself mostly uses std::string, they do not really help catch any bugs.
check_cxx_compiler_flag(-Wstringop-truncation HAS_STRINGOP_TRUNCATION_WARNING)
if (HAS_STRINGOP_TRUNCATION_WARNING)
check_and_add_flag(NO_STRINGOP_TRUNCATION -Wno-stringop-truncation)
endif()
# Format string issues that the compiler can detect should be compile time errors.
check_cxx_compiler_flag(-Wformat HAS_FORMAT_WARNING)
if (HAS_FORMAT_WARNING)
check_and_add_flag(FORMAT_WARNING_TO_ERROR -Werror=format)
endif()
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endif()
# These aren't actually needed for C11/C++11
# but some dependencies require them (LLVM, libav).
add_definitions(-D__STDC_LIMIT_MACROS)
add_definitions(-D__STDC_CONSTANT_MACROS)
add_subdirectory(Core)
if (ANDROID)
add_subdirectory(Android/jni)
endif()
if (ENABLE_TESTS)
add_subdirectory(UnitTests)
endif()
if (DSPTOOL)
add_subdirectory(DSPTool)
endif()
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# TODO: Add DSPSpy. Preferably make it option() and cpack component