From 2ec926cce387e2f2fc8b00620af5a70e823d71e8 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 7 Apr 2009 05:12:42 +0000 Subject: [PATCH] define __va_copy unconditionally, but va_copy only in c99 or non-ansi mode. Fixes rdar://6759546, some code that actually used __va_copy because they thought it was "more portable". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68503 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Headers/stdarg.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/Headers/stdarg.h b/lib/Headers/stdarg.h index b73edb4699..c436ced97c 100644 --- a/lib/Headers/stdarg.h +++ b/lib/Headers/stdarg.h @@ -30,7 +30,15 @@ typedef __builtin_va_list va_list; #define va_start(ap, param) __builtin_va_start(ap, param) #define va_end(ap) __builtin_va_end(ap) #define va_arg(ap, type) __builtin_va_arg(ap, type) + +/* GCC always defines __va_copy, but does not define va_copy unless in c99 mode + * or -ansi is not specified, since it was not part of C90. + */ +#define __va_copy(d,s) __builtin_va_copy(d,s) + +#if __STDC_VERSION__ >= 199900L || !defined(__STRICT_ANSI__) #define va_copy(dest, src) __builtin_va_copy(dest, src) +#endif /* Hack required to make standard headers work, at least on Ubuntu */ #define __GNUC_VA_LIST 1 -- 2.40.0