Author: kan Date: Thu Aug 27 14:00:23 2015 New Revision: 287206 URL: https://svnweb.freebsd.org/changeset/base/287206
Log: Repair sys/cdefs.h enough to be usable with GCC 5.x The __alloc_size and __alloc_align need to be defined to nothingness for lint, but the existing check is deficient and allows attributes with working __has_attrubute() to slip through. Modified: head/sys/sys/cdefs.h Modified: head/sys/sys/cdefs.h ============================================================================== --- head/sys/sys/cdefs.h Thu Aug 27 14:00:20 2015 (r287205) +++ head/sys/sys/cdefs.h Thu Aug 27 14:00:23 2015 (r287206) @@ -39,7 +39,6 @@ /* * Testing against Clang-specific extensions. */ - #ifndef __has_attribute #define __has_attribute(x) 0 #endif @@ -212,6 +211,8 @@ #define __unused #define __packed #define __aligned(x) +#define __alloc_align(x) +#define __alloc_size(x) #define __section(x) #define __weak_symbol #else @@ -236,6 +237,16 @@ #define __aligned(x) __attribute__((__aligned__(x))) #define __section(x) __attribute__((__section__(x))) #endif +#if __has_attribute(alloc_size) || __GNUC_PREREQ__(4, 3) +#define __alloc_size(x) __attribute__((__alloc_size__(x))) +#else +#define __alloc_size(x) +#endif +#if __has_attribute(alloc_align) || __GNUC_PREREQ__(4, 9) +#define __alloc_align(x) __attribute__((__alloc_align__(x))) +#else +#define __alloc_align(x) +#endif #endif /* lint */ #if !__GNUC_PREREQ__(2, 95) @@ -371,24 +382,12 @@ #define __returns_twice #endif -#if __has_attribute(alloc_size) || __GNUC_PREREQ__(4, 3) -#define __alloc_size(x) __attribute__((__alloc_size__(x))) -#else -#define __alloc_size(x) -#endif - #if __has_builtin(__builtin_unreachable) || __GNUC_PREREQ__(4, 6) #define __unreachable() __builtin_unreachable() #else #define __unreachable() ((void)0) #endif -#if __has_attribute(alloc_align) || __GNUC_PREREQ__(4, 9) -#define __alloc_align(x) __attribute__((__alloc_align__(x))) -#else -#define __alloc_align(x) -#endif - /* XXX: should use `#if __STDC_VERSION__ < 199901'. */ #if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER) #define __func__ NULL _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
