lkml.org 
[lkml]   [2007]   [Jan]   [25]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateWed, 24 Jan 2007 22:30:28 -0800
From"H. Peter Anvin" <>
SubjectRe: [patch] scrub non-__GLIBC__ checks in linux/socket.h and linux/stat.h
Erik Andersen wrote:
> On Sat Dec 16, 2006 at 01:42:11PM -0500, Mike Frysinger wrote:
>> On 11/30/06, Robert P. J. Day <rpjday@mindspring.com> wrote:
>>> but there are a few other
>>> cases which still contain compound preprocessor directives such as:
>>>
>>>  #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
>>>
>>> having never worked with unifdef before, i guess i was being overly
>>> optimistic in thinking that it, if i "unifdef"ed __KERNEL__, it might
>>> at least simplify the expression.  oh, well ... live and learn.
>> userspace should be worrying about userspace, so having the socket.h
>> and stat.h pollute the namespace in the non-glibc case is wrong and
>> pretty much prevents any other libc from utilizing these headers
>> sanely unless they set up the __GLIBC__ define themselves (which
>> sucks)
>> -mike
> 
> Ack from me.  I'd love to see this applied so uClibc could
> stop have to define __GLIBC__
> 

klibc uses these definitions, but the right thing to do is to have libc 
ask for it:

#if defined(__KERNEL__) || defined(__EXPORT_LINUX_SOCKET_H)
/* ... */
#endif

That way, klibc can just

#define __EXPORT_LINUX_SOCKET_H
#include <linux/socket.h>

	-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-01-25 07:23    [W:0.131 / U:0.720 seconds]
©2003-2008 Jasper Spaans