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rpcs3/buildfiles/cmake/ConfigureCompiler.cmake

125 lines
4.5 KiB
CMake

# Check and configure compiler options for RPCS3
if(MSVC)
add_compile_options(/Zc:throwingNew- /constexpr:steps16777216)
add_compile_definitions(
_CRT_SECURE_NO_DEPRECATE=1 _CRT_NON_CONFORMING_SWPRINTFS=1 _SCL_SECURE_NO_WARNINGS=1
NOMINMAX _ENABLE_EXTENDED_ALIGNED_STORAGE=1 _HAS_EXCEPTIONS=0)
add_link_options(/DYNAMICBASE:NO /BASE:0x10000 /FIXED)
#TODO: Some of these could be cleaned up
add_compile_options(/wd4805) # Comparing boolean and int
add_compile_options(/wd4804) # Using integer operators with booleans
add_compile_options(/wd4200) # Zero-sized array in struct/union
add_link_options(/ignore:4281) # Undesirable base address 0x10000
# MSVC 2017 uses iterator as base class internally, causing a lot of warning spam
add_compile_definitions(_SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING=1)
# Increase stack limit to 8 MB
add_link_options(/STACK:8388608,1048576)
else()
# Some distros have the compilers set to use PIE by default, but RPCS3 doesn't work with PIE, so we need to disable it.
check_cxx_compiler_flag("-no-pie" HAS_NO_PIE)
check_cxx_compiler_flag("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
check_cxx_compiler_flag("-msse -msse2 -mcx16" COMPILER_X86)
if (APPLE)
check_cxx_compiler_flag("-march=armv8.4-a" COMPILER_ARM)
else()
check_cxx_compiler_flag("-march=armv8.1-a" COMPILER_ARM)
endif()
add_compile_options(-Wall)
add_compile_options(-fno-exceptions)
add_compile_options(-fstack-protector)
if (COMPILER_ARM)
# This section needs a review. Apple claims armv8.5-a on M-series but doesn't support SVE.
# Note that compared to the rest of the 8.x family, 8.1 is very restrictive and we'll have to bump the requirement in future to get anything meaningful.
if (APPLE)
add_compile_options(-march=armv8.4-a)
else()
add_compile_options(-march=armv8.1-a)
endif()
elseif(COMPILER_X86)
# Some compilers will set both X86 and ARM, so check explicitly for ARM first
add_compile_options(-msse -msse2 -mcx16)
endif()
add_compile_options(-Werror=old-style-cast)
add_compile_options(-Werror=sign-compare)
add_compile_options(-Werror=reorder)
add_compile_options(-Werror=return-type)
add_compile_options(-Werror=overloaded-virtual)
add_compile_options(-Werror=missing-noreturn)
add_compile_options(-Werror=implicit-fallthrough)
add_compile_options(-Wunused-parameter)
add_compile_options(-Wignored-qualifiers)
add_compile_options(-Wredundant-move)
add_compile_options(-Wcast-qual)
add_compile_options(-Wdeprecated-copy)
add_compile_options(-Wtautological-compare)
#add_compile_options(-Wshadow)
#add_compile_options(-Wconversion)
#add_compile_options(-Wpadded)
add_compile_options(-Wempty-body)
add_compile_options(-Wredundant-decls)
#add_compile_options(-Weffc++)
add_compile_options(-Wstrict-aliasing=1)
#add_compile_options(-Wnull-dereference)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
add_compile_options(-Werror=inconsistent-missing-override)
add_compile_options(-Werror=delete-non-virtual-dtor)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
add_compile_options(-Werror=suggest-override)
add_compile_options(-Wclobbered)
# add_compile_options(-Wcast-function-type)
add_compile_options(-Wduplicated-branches)
add_compile_options(-Wduplicated-cond)
endif()
#TODO Clean the code so these are removed
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
add_compile_options(-fconstexpr-steps=16777216)
add_compile_options(-Wno-unused-lambda-capture)
add_compile_options(-Wno-unused-private-field)
add_compile_options(-Wno-unused-command-line-argument)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
add_compile_options(-Wno-class-memaccess)
endif()
if(USE_NATIVE_INSTRUCTIONS AND COMPILER_SUPPORTS_MARCH_NATIVE)
add_compile_options(-march=native)
endif()
if(NOT APPLE AND NOT WIN32)
# This hides our LLVM from mesa's LLVM, otherwise we get some unresolvable conflicts.
add_link_options(-Wl,--exclude-libs,ALL)
if(HAS_NO_PIE)
add_link_options(-no-pie)
endif()
elseif(APPLE)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
add_compile_options(-stdlib=libc++)
endif()
if (CMAKE_OSX_ARCHITECTURES MATCHES "x86_64")
add_link_options(-Wl,-image_base,0x10000 -Wl,-pagezero_size,0x10000)
add_link_options(-Wl,-no_pie)
endif()
elseif(WIN32)
add_compile_definitions(__STDC_FORMAT_MACROS=1)
# Workaround for mingw64 (MSYS2)
add_link_options(-Wl,--allow-multiple-definition)
# Increase stack limit to 8 MB
add_link_options(-Wl,--stack -Wl,8388608)
add_link_options(-Wl,--image-base,0x10000)
endif()
endif()