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Add __va_copy and make it always visible, in spite of the __ISO_C_VISIBLE

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setting.  Make va_copy be an alias if __ISO_C_VISIBLE >= 1999.

Why?  more than a few ports have an autoconf that looks for __va_copy
because it is available on glibc.  It is critical that we use it if
at all possible on amd64.  It generally isn't a problem for i386 and its
ilk because autoconf driven code tends to fall back to an assignment.
This commit is contained in:
Peter Wemm 2003-10-24 02:50:39 +00:00
parent 5c03a7c7f9
commit cedb3695c1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=121450
1 changed files with 4 additions and 1 deletions
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sys/amd64/include/stdarg.h
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@ -46,9 +46,12 @@ typedef __va_list va_list;
#define va_arg(ap, type) \
__builtin_va_arg((ap), type)
#define __va_copy(dest, src) \
__builtin_va_copy((dest), (src))
#if __ISO_C_VISIBLE >= 1999
#define va_copy(dest, src) \
__builtin_va_copy((dest), (src))
__va_copy(dest, src)
#endif
#define va_end(ap) \