The branch main has been updated by imp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=d5c01e1124ffa4adb2513e7e8d708d7072dbfc75
commit d5c01e1124ffa4adb2513e7e8d708d7072dbfc75
Author: Warner Losh <i...@freebsd.org>
AuthorDate: 2024-06-20 23:03:15 +0000
Commit: Warner Losh <i...@freebsd.org>
CommitDate: 2024-06-21 02:41:09 +0000
cdefs.h: Remove pre gcc 5.0 support
Reviewed by: brooks
Differential Revision: https://reviews.freebsd.org/D45656
Sponsored by: Netflix
---
sys/sys/cdefs.h | 54 ------------------------------------------------------
1 file changed, 54 deletions(-)
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index a6ecdca5d8b9..43d179b82020 100644
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -164,18 +164,9 @@
#define __aligned(x) __attribute__((__aligned__(x)))
#define __section(x) __attribute__((__section__(x)))
#define __writeonly __unused
-#if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__)
#define __alloc_size(x) __attribute__((__alloc_size__(x)))
#define __alloc_size2(n, x) __attribute__((__alloc_size__(n, x)))
-#else
-#define __alloc_size(x)
-#define __alloc_size2(n, x)
-#endif
-#if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__)
#define __alloc_align(x) __attribute__((__alloc_align__(x)))
-#else
-#define __alloc_align(x)
-#endif
/*
* Keywords added in C11.
@@ -199,15 +190,6 @@
#define _Alignof(x) __alignof(x)
#endif
-#if !defined(__cplusplus) && !__has_extension(c_atomic) && \
- !__has_extension(cxx_atomic) && !__GNUC_PREREQ__(4, 7)
-/*
- * No native support for _Atomic(). Place object in structure to prevent
- * most forms of direct non-atomic access.
- */
-#define _Atomic(T) struct { T volatile __val; }
-#endif
-
#if defined(__cplusplus) && __cplusplus >= 201103L
#define _Noreturn [[noreturn]]
#else
@@ -218,15 +200,6 @@
#if (defined(__cplusplus) && __cplusplus >= 201103L) || \
__has_extension(cxx_static_assert)
#define _Static_assert(x, y) static_assert(x, y)
-#elif __GNUC_PREREQ__(4,6) && !defined(__cplusplus)
-/* Nothing, gcc 4.6 and higher has _Static_assert built-in */
-#elif defined(__COUNTER__)
-#define _Static_assert(x, y) __Static_assert(x, __COUNTER__)
-#define __Static_assert(x, y) ___Static_assert(x, y)
-#define ___Static_assert(x, y) typedef char __assert_ ## y[(x) ? 1 :
-1] \
- __unused
-#else
-#define _Static_assert(x, y) struct __hack
#endif
#endif
@@ -276,7 +249,6 @@
* void bar(int myArray[__min_size(10)]);
*/
#if !defined(__cplusplus) && \
- (defined(__clang__) || __GNUC_PREREQ__(4, 6)) && \
(!defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901))
#define __min_size(x) static (x)
#else
@@ -302,17 +274,9 @@
#define __result_use_or_ignore_check
#endif /* !__clang__ */
-#if __GNUC_PREREQ__(4, 1)
#define __returns_twice __attribute__((__returns_twice__))
-#else
-#define __returns_twice
-#endif
-#if __GNUC_PREREQ__(4, 6) || __has_builtin(__builtin_unreachable)
#define __unreachable() __builtin_unreachable()
-#else
-#define __unreachable() ((void)0)
-#endif
#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901
#define __LONG_LONG_SUPPORTED
@@ -353,33 +317,15 @@
#define __predict_true(exp) __builtin_expect((exp), 1)
#define __predict_false(exp) __builtin_expect((exp), 0)
-#if __GNUC_PREREQ__(4, 0)
#define __null_sentinel __attribute__((__sentinel__))
#define __exported __attribute__((__visibility__("default")))
#define __hidden __attribute__((__visibility__("hidden")))
-#else
-#define __null_sentinel
-#define __exported
-#define __hidden
-#endif
/*
* We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h>
* require it.
*/
-#if __GNUC_PREREQ__(4, 1)
#define __offsetof(type, field) __builtin_offsetof(type, field)
-#else
-#ifndef __cplusplus
-#define __offsetof(type, field) \
- ((__size_t)(__uintptr_t)((const volatile void *)&((type *)0)->field))
-#else
-#define __offsetof(type, field) \
- (__offsetof__ (reinterpret_cast <__size_t> \
- (&reinterpret_cast <const volatile char &> \
- (static_cast<type *> (0)->field))))
-#endif
-#endif
#define __rangeof(type, start, end) \
(__offsetof(type, end) - __offsetof(type, start))
