git: b8717a8709b2 - main - Remove checks for __GNUCLIKE macros for varargs.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=b8717a8709b297a7bdbcfae29e384cda9ce9c89a

commit b8717a8709b297a7bdbcfae29e384cda9ce9c89a
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-12 17:06:00 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-12 17:06:00 +0000

    Remove checks for __GNUCLIKE macros for varargs.
    
    All supported compilers (modern versions of GCC and clang) support
    these.
    
    PR:             263102 (exp-run)
    Reviewed by:    brooks, imp
    Differential Revision:  https://reviews.freebsd.org/D34800
---
 sys/sys/_stdarg.h | 2 --
 sys/sys/_types.h  | 7 +------
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/sys/sys/_stdarg.h b/sys/sys/_stdarg.h
index 0d4ca8996f00..07f3af47fe44 100644
--- a/sys/sys/_stdarg.h
+++ b/sys/sys/_stdarg.h
@@ -41,7 +41,6 @@
   typedef __va_list       va_list;
 #endif
 
-#ifdef __GNUCLIKE_BUILTIN_STDARG
   #define	va_start(ap, last)	__builtin_va_start((ap), (last))
   #define	va_arg(ap, type)	__builtin_va_arg((ap), type)
   #define	__va_copy(dest, src)	__builtin_va_copy((dest), (src))
@@ -49,6 +48,5 @@
     #define	va_copy(dest, src)	__va_copy(dest, src)
   #endif
   #define	va_end(ap)		__builtin_va_end(ap)
-#endif
 
 #endif /* ! _SYS__STDARG_H_ */
diff --git a/sys/sys/_types.h b/sys/sys/_types.h
index 46711a938bc4..9c6e6858b181 100644
--- a/sys/sys/_types.h
+++ b/sys/sys/_types.h
@@ -208,13 +208,8 @@ typedef __uintmax_t     __rman_res_t;
  * Types for varargs. These are all provided by builtin types these
  * days, so centralize their definition.
  */
-#ifdef __GNUCLIKE_BUILTIN_VARARGS
 typedef	__builtin_va_list	__va_list;	/* internally known to gcc */
-#else
-#error "No support for your compiler for stdargs"
-#endif
-#if defined(__GNUC_VA_LIST_COMPATIBILITY) && !defined(__GNUC_VA_LIST) \
-    && !defined(__NO_GNUC_VA_LIST)
+#if !defined(__GNUC_VA_LIST) && !defined(__NO_GNUC_VA_LIST)
 #define __GNUC_VA_LIST
 typedef __va_list		__gnuc_va_list;	/* compatibility w/GNU headers*/
 #endif