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https://github.com/RGBCube/serenity
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dfc6555fec
The aarch64 processor is set up to trap on unaligned memory accesses, so to enforce that the compiler correctly generates aligned accesses, the -mstrict-align flag is needed. We also need the -Wno-cast-align as there are some files in AK that don't build without the flag.
61 lines
2.8 KiB
CMake
61 lines
2.8 KiB
CMake
include(${CMAKE_CURRENT_LIST_DIR}/common_compile_options.cmake)
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# The following warnings are sorted by the "base" name (the part excluding the initial Wno or W).
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add_compile_options(-Wno-address-of-packed-member)
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add_compile_options(-Wcast-qual)
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add_compile_options(-Wdeprecated-copy)
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add_compile_options(-Wduplicated-cond)
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add_compile_options(-Wformat=2)
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add_compile_options(-Wimplicit-fallthrough)
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add_compile_options(-Wlogical-op)
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add_compile_options(-Wmisleading-indentation)
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add_compile_options(-Wmissing-declarations)
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add_compile_options(-Wnon-virtual-dtor)
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add_compile_options(-Wsuggest-override)
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add_compile_options(-Wno-unknown-warning-option)
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add_compile_options(-Wundef)
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add_compile_options(-Wunused)
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add_compile_options(-Wno-unused-command-line-argument)
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add_compile_options(-Wwrite-strings)
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add_compile_options(-fdiagnostics-color=always)
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add_compile_options(-fno-delete-null-pointer-checks)
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add_compile_options(-ffile-prefix-map=${SerenityOS_SOURCE_DIR}=.)
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add_compile_options(-fno-exceptions)
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add_compile_options(-fno-semantic-interposition)
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add_compile_options(-fsized-deallocation)
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add_compile_options(-fstack-clash-protection)
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add_compile_options(-fstack-protector-strong)
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add_link_options(-fstack-protector-strong)
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# FIXME: Remove this once DWARF revision 5 is supported
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add_compile_options(-gdwarf-4)
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# Note: This needs to be set _after_ setting the DWARF version, otherwise we end up generating more debug information than we need.
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add_compile_options(-g1)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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add_compile_options(-Wno-literal-suffix)
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add_compile_options(-Wno-maybe-uninitialized)
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# Only ignore expansion-to-defined for g++, clang's implementation doesn't complain about function-like macros
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add_compile_options(-Wno-expansion-to-defined)
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add_compile_options(-Wcast-align)
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add_compile_options(-Wdouble-promotion)
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
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add_compile_options(-Wno-user-defined-literals)
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add_compile_options(-Wno-atomic-alignment)
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add_compile_options(-Wno-implicit-const-int-float-conversion)
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add_compile_options(-Wno-unused-const-variable)
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add_compile_options(-Wno-unused-private-field)
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add_compile_options(-fconstexpr-steps=16777216)
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# Clang doesn't add compiler_rt to the search path when compiling with -nostdlib.
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link_directories(${TOOLCHAIN_ROOT}/lib/clang/${CMAKE_CXX_COMPILER_VERSION}/lib/${SERENITY_ARCH}-pc-serenity/)
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endif()
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if ("${SERENITY_ARCH}" STREQUAL "aarch64")
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# Unaligned memory access will cause a trap, so to make sure the compiler doesn't generate
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# those unaligned accesses, the strict-align flag is added.
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# FIXME: Remove -Wno-cast-align when we are able to build everything without this warning turned on.
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add_compile_options(-mstrict-align -Wno-cast-align)
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endif()
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