Bug#270856: parse error when compiling against '/usr/include/asm/sigcontext.h'

[GOTO Masanori <gotom@debian.or.jp>]

tags 270856 unreproducible moreinfo
thanks

At Thu, 9 Sep 2004 17:38:54 +0100,
Paul Boyle wrote:
> There appears to be a parse error in one of the header files
> associated with this package. It is difficult to believe that this has
> not been noticed before, but I can't seem to find it on the debian bug
> lists.
> 
> In the file '/usr/include/asm/sigcontext.h' there appears to be a
> problem with line 79.
> 
> 78:        unsigned short ss, __ssh;
> 79:        struct _fpstate __user * fpstate;
> 80:        unsigned long oldmask;
> 
> When compiling programs that are linked against this file, I get a
> parse error on line 79. But if I change the line to the following
> 
> '79:         struct _fpstate * fpstate; '
> 
> the parse error disappears and everything works fine.
> 
> I have checked on google and this problem is mentioned several times
> as being a debian specific bug, but I can not find any mention of it
> on any debian bug list or mailing list.
> 
> I have noted that on a gentoo system that I have access to, the line
> reads as I have it above, i.e. the modified line.
> 
> I have my computer upto date with debian 'testing' and  I have a
> non-debian vanilla  kernel  2.4.26 installed. With the exception of
> the kernel everything is standard debian.

"__user" was introduced in 2.5.x kernel.  It's defined in compiler.h
and sigcontext.h includes it.  I tried the following program:

	#include <asm/sigcontext.h>
	
	int main()
	{
	}

And it does not break anything.  Please provide us the test case to
reproduce this problem.  If not, I'll close it.

Regards,
-- gotom