68 lines
3.0 KiB
CMake
68 lines
3.0 KiB
CMake
# TODO: This currently assumes libstdc++, later on we should *probably* set this with some detection
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# also TODO: Use a list so that this isn't one giant line (list JOIN should help.)
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set(NANOSM_CORE_COMPILE_ARGS "-Wall -Wformat=2 -Wimplicit-fallthrough")
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set(NANOSM_CORE_LINKER_ARGS "-fuse-ld=${NANOSM_LINKER}")
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if("${CMAKE_BUILD_TYPE}" STREQUAL "Release") # OR "${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo"
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# If on Release use link-time optimizations.
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# On clang we use ThinLTO for even better build performance.
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(NANOSM_CORE_COMPILE_ARGS "${NANOSM_CORE_COMPILE_ARGS} -flto=thin")
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set(NANOSM_CORE_LINKER_ARGS "${NANOSM_CORE_LINKER_ARGS} -flto=thin")
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else()
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set(NANOSM_CORE_COMPILE_ARGS "${NANOSM_CORE_COMPILE_ARGS} -flto")
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set(NANOSM_CORE_LINKER_ARGS "${NANOSM_CORE_LINKER_ARGS} -flto")
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endif()
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endif()
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set(_NANOSM_CORE_WANTED_SANITIZERS "")
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if("asan" IN_LIST NANOSM_SANITIZERS)
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# Error if someone's trying to mix asan and tsan together since they aren't compatible.
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if("tsan" IN_LIST NANOSM_SANITIZERS)
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message(FATAL_ERROR "ASAN and TSAN cannot be used together.")
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endif()
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message(STATUS "Enabling ASAN because it was in NANOSM_SANITIZERS")
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list(APPEND _NANOSM_CORE_WANTED_SANITIZERS "address")
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endif()
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if("tsan" IN_LIST NANOSM_SANITIZERS)
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if("asan" IN_LIST NANOSM_SANITIZERS)
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message(FATAL_ERROR "ASAN and TSAN cannot be used together.")
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endif()
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message(STATUS "Enabling TSAN because it was in NANOSM_SANITIZERS")
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list(APPEND _NANOSM_CORE_WANTED_SANITIZERS "thread")
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endif()
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if("ubsan" IN_LIST NANOSM_SANITIZERS)
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message(STATUS "Enabling UBSAN because it was in NANOSM_SANITIZERS")
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list(APPEND _NANOSM_CORE_WANTED_SANITIZERS "undefined")
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endif()
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list(LENGTH _NANOSM_CORE_WANTED_SANITIZERS _NANOSM_CORE_WANTED_SANITIZERS_LENGTH)
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if(NOT _NANOSM_CORE_WANTED_SANITIZERS_LENGTH EQUAL 0)
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list(JOIN _NANOSM_CORE_WANTED_SANITIZERS "," _NANOSM_CORE_WANTED_SANITIZERS_ARG)
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message(STATUS "Enabled sanitizers: ${_NANOSM_CORE_WANTED_SANITIZERS_ARG}")
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set(NANOSM_CORE_COMPILE_ARGS "${NANOSM_CORE_COMPILE_ARGS} -fsanitize=${_NANOSM_CORE_WANTED_SANITIZERS_ARG}")
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set(NANOSM_CORE_LINKER_ARGS "${NANOSM_CORE_LINKER_ARGS} -fsanitize=${_NANOSM_CORE_WANTED_SANITIZERS_ARG}")
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endif()
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# Set core CMake toolchain variables so that they get applied to all projects.
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# A bit nasty, but /shrug, this way our third party libraries can be mostly sanitized/etc as well.
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# We do NOT do this for CMake compiler features however.
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set(CMAKE_C_FLAGS "${NANOSM_CORE_COMPILE_ARGS}")
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set(CMAKE_CXX_FLAGS "${NANOSM_CORE_COMPILE_ARGS}")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS} -O0 -g3")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -O3 -g3")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS} -O3 -s")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -O0 -g3")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS} -O3 -g3")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} -O3 -s")
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set(CMAKE_EXE_LINKER_FLAGS "${NANOSM_CORE_LINKER_ARGS} -Wl,-z,noexecstack,-z,relro,-z,now")
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