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-rw-r--r--support/cdefs.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/support/cdefs.h b/support/cdefs.h
index 44d3826b..cb251450 100644
--- a/support/cdefs.h
+++ b/support/cdefs.h
@@ -41,7 +41,9 @@
Similarly for __has_builtin, etc. */
#if (defined __has_attribute \
&& (!defined __clang_minor__ \
- || 3 < __clang_major__ + (5 <= __clang_minor__)))
+ || (defined __apple_build_version__ \
+ ? 6000000 <= __apple_build_version__ \
+ : 3 < __clang_major__ + (5 <= __clang_minor__))))
# define __glibc_has_attribute(attr) __has_attribute (attr)
#else
# define __glibc_has_attribute(attr) 0