> -----Original Message-----
> From: Tom Tromey [mailto:tromey@redhat.com]
> Sent: Friday, June 22, 2012 10:40 PM
> To: Metzger, Markus T

[...]

> >> > +AC_CHECK_HEADERS(linux/perf_event.h)
> 
> Jan> There is already existing big AC_CHECK_HEADERS block at line 1014.
> 
> Markus> This new check is right at the end of that block. They got expanded by
> Markus> conditional include statements.
> 
> It is better to just put the new file into the big AC_CHECK_HEADERS
> invocation, if possible, since that results in a smaller configure file.
> Right now you have added a separate AC_CHECK_HEADERS invocation, but it
> doesn't need to be separate.

I found one big block ending with sys/un.h and added the new file to this list.

Regards,
Markus.