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2015-07-08 Zack Weinberg <zackw@panix.com>
+ * NEWS: Inclusion of <sys/sysmacros.h> by <sys/types.h> is deprecated.
+ * misc/sys/sysmacros.h: If __SYSMACROS_DEPRECATED_INCLUSION is defined,
+ define major, minor, and makedev to issue deprecation warnings on use.
+ If __SYSMACROS_DEPRECATED_INCLUSION is *not* defined, suppress
+ previously-activated deprecation warnings for these macros and prevent
+ subsequent inclusions of this header from having any effect.
+ * posix/sys/types.h: Define __SYSMACROS_DEPRECATED_INCLUSION before
+ including <sys/sysmacros.h>, and undefine it again afterward.
+
* include/features.h (__glibc_clang_prereq): New macro.
* misc/sys/cdefs.h (__glibc_clang_has_extension)
(__attribute_deprecated_msg__): New macros.