update unifdef causing partial header generation and

[Baruch Siach]

Hi Vineet,

On Mon, Dec 23, 2013 at 01:44:21PM +0000, Vineet Gupta wrote:
> I've been testing the master with ARC support and it seems commit 2a021ae81c36
> "buildsys: update unifdef" sometimes generates a partial uClibc_config.h and other
> false warnings for headers as below.
> 
> --------------------------->8----------------------
>   INSTALL include ->
> /home/vineetg/arc/old_gnu/tmp-install-uclibc-15655/arc-linux-uclibc/include
> unifdef: include/bits/kernel_sigaction.h: 24: Inappropriate #endif
> unifdef: output may be truncated
> unifdef: include/bits/uClibc_config.h: 3: Inappropriate #endif
> unifdef: output may be truncated
> unifdef: include/sys/termios.h: 4: Inappropriate #endif
> unifdef: output may be truncated
> unifdef: include/net/ppp_defs.h: 10: Inappropriate #endif
> ....
> 
> --------------------------->8----------------------
> 
> Reverting it out sees to make things work. Anyone else seeing similar issues.

It seems that the Buildroot autobuild failure at 
http://autobuild.buildroot.org/results/5d6/5d6072a038acf894d832704e36c1d43f0254abf5/build-end.log 
(xtensa) is also caused by this issue.

baruch

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