2024-03-13 18:13:55 +00:00
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if(X86_32 OR X86_64)
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add_compile_options(-mfpmath=sse -msse2)
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endif()
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if(X86_64)
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# Require and optimize for Core2 level support, tune for generic.
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add_compile_options(-march=core2 -mtune=generic)
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elseif(X86_32)
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# Optimize for pentium-mmx and tune for generic for older builds.
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add_compile_options(-march=pentium-mmx -mtune=generic)
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endif()
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# Common flags.
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add_compile_options(
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-pipe
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-Wno-unused-command-line-argument
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2024-03-18 01:33:46 +00:00
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-Wno-deprecated-copy
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2024-03-13 18:13:55 +00:00
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-Wformat
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-Wformat-security
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-feliminate-unused-debug-types
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-fdiagnostics-color=always
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)
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# check if ssp flags are supported.
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if(CMAKE_BUILD_TYPE STREQUAL Debug)
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check_cxx_compiler_flag(-fstack-protector-strong STACK_PROTECTOR_SUPPORTED)
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if(STACK_PROTECTOR_SUPPORTED)
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add_compile_options(-fstack-protector-strong)
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check_cxx_compiler_flag("--param ssp-buffer-size=4" SSP_BUFFER_SIZE_SUPPORTED)
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if(SSP_BUFFER_SIZE_SUPPORTED)
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add_compile_options(--param ssp-buffer-size=4)
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endif()
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endif()
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endif()
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if(NOT ENABLE_ASM) # inline asm is not allowed with -fPIC
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add_compile_options(-fPIC)
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endif()
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if(CMAKE_BUILD_TYPE STREQUAL Debug)
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add_compile_options(-ggdb3 -Og -fno-omit-frame-pointer -Wall -Wextra)
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else()
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add_compile_options(-Ofast -fomit-frame-pointer)
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endif()
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# for some reason this is necessary
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if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
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include_directories(/usr/local/include)
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endif()
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