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stdcxx: Use 8-byte atomics.
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@@ -36,7 +36,7 @@ include $(call select_from_repositories,lib/import/import-libc.mk)
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CC_OPT += -D_GLIBCXX_HAVE_MBSTATE_T
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CC_OPT += -D_GLIBCXX_HAVE_MBSTATE_T
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# use compiler-builtin atomic operations
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# use compiler-builtin atomic operations
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CC_OPT += -D_GLIBCXX_ATOMIC_BUILTINS_4
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CC_OPT += -D_GLIBCXX_ATOMIC_BUILTINS_8 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
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# No isinf isnan
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# No isinf isnan
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CC_OPT += -D_GLIBCXX_NO_OBSOLETE_ISINF_ISNAN_DYNAMIC
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CC_OPT += -D_GLIBCXX_NO_OBSOLETE_ISINF_ISNAN_DYNAMIC
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