Fix T78793, T79707: Cycles crash on macOS with older CPUs
Embree static libraries need additional linking flags to avoid SSE and AVX symbols getting mixed up.
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@ -37,9 +37,9 @@ FIND_PATH(EMBREE_INCLUDE_DIR
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SET(_embree_FIND_COMPONENTS
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embree3
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embree_sse42
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embree_avx
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embree_avx2
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embree_sse42
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lexers
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math
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simd
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@ -392,6 +392,16 @@ endif()
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if(WITH_CYCLES_EMBREE)
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find_package(Embree 3.8.0 REQUIRED)
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set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Xlinker -stack_size -Xlinker 0x100000")
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# Embree static library linking can mix up SSE and AVX symbols, causing
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# crashes on macOS systems with older CPUs that don't have AVX. Using
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# force load avoids that. The Embree shared library does not suffer from
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# this problem, precisely because linking a shared library uses force load.
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set(_embree_libraries_force_load)
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foreach(_embree_library ${EMBREE_LIBRARIES})
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list(APPEND _embree_libraries_force_load "-Wl,-force_load,${_embree_library}")
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endforeach()
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set(EMBREE_LIBRARIES ${_embree_libraries_force_load})
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endif()
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if(WITH_OPENIMAGEDENOISE)
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