[cfe-commits] [PATCH] Fix sigsetjmp builtin

Dimitry Andric dimitry at andric.com
Fri Nov 4 16:53:36 PDT 2011

On 2011-11-04 23:11, Dimitry Andric wrote:
> The prototype for the built-in function sigsetjmp is incorrect, which
> leads to warnings like (when compiling with -Wsystem-headers):
>   In file included from ssjtest.c:1:
>   /usr/include/setjmp.h:58:5: warning: incompatible redeclaration of library function 'sigsetjmp'
>   int     sigsetjmp(sigjmp_buf, int);
> 	  ^
>   /usr/include/setjmp.h:58:5: note: 'sigsetjmp' is a builtin with type 'int (struct _jmp_buf *, int)'
> On both Linux and BSD the real prototype for sigsetjmp(3) actually is:
>   int sigsetjmp(sigjmp_buf, int);
> The attached patch corrects the LIBBUILTIN macro in Builtins.def.

And now of course I see there's also a __sigsetjmp declaration in the
same file.  I presume this will have the same arguments as sigsetjmp, so
here is a revised patch that includes both.
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