CMake: Add WITH_COMPILER_ASAN option
This supports easy toggling of Address Sanitizer.
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@ -527,6 +527,41 @@ if(CMAKE_COMPILER_IS_GNUCC)
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mark_as_advanced(WITH_LINKER_GOLD)
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endif()
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if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
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option(WITH_COMPILER_ASAN "Build and link against address sanitizer (only for Debug & RelWithDebInfo targets)." OFF)
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mark_as_advanced(WITH_COMPILER_ASAN)
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if(WITH_COMPILER_ASAN)
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set(_asan_defaults "\
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-fsanitize=address \
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-fsanitize=bool \
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-fsanitize=bounds \
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-fsanitize=enum \
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-fsanitize=float-cast-overflow \
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-fsanitize=float-divide-by-zero \
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-fsanitize=leak \
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-fsanitize=nonnull-attribute \
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-fsanitize=object-size \
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-fsanitize=returns-nonnull-attribute \
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-fsanitize=signed-integer-overflow \
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-fsanitize=undefined \
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-fsanitize=vla-bound \
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-fno-sanitize=alignment \
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")
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set(COMPILER_ASAN_CFLAGS "${_asan_defaults}" CACHE STRING "C flags for address sanitizer")
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mark_as_advanced(COMPILER_ASAN_CFLAGS)
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set(COMPILER_ASAN_CXXFLAGS "${_asan_defaults}" CACHE STRING "C++ flags for address sanitizer")
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mark_as_advanced(COMPILER_ASAN_CXXFLAGS)
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unset(_asan_defaults)
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find_library(COMPILER_ASAN_LIBRARY asan ${CMAKE_C_IMPLICIT_LINK_DIRECTORIES})
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mark_as_advanced(COMPILER_ASAN_LIBRARY)
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endif()
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endif()
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# Dependency graph
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option(WITH_LEGACY_DEPSGRAPH "Build Blender with legacy dependency graph" ON)
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mark_as_advanced(WITH_LEGACY_DEPSGRAPH)
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@ -822,6 +857,15 @@ set(PLATFORM_LINKLIBS "")
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set(PLATFORM_LINKFLAGS "")
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set(PLATFORM_LINKFLAGS_DEBUG "")
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if(WITH_COMPILER_ASAN)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${COMPILER_ASAN_CFLAGS}")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${COMPILER_ASAN_CFLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${COMPILER_ASAN_CXXFLAGS}")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COMPILER_ASAN_CXXFLAGS}")
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set(PLATFORM_LINKFLAGS_DEBUG "${COMPILER_ASAN_LIBRARY}")
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endif()
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#-----------------------------------------------------------------------------
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#Platform specifics
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