[Patch] Fix type of clock_t in timevar.c

[Steve Ellcey]

On Fri, 2013-11-01 at 13:45 -0700, Mike Stump wrote:
> On Nov 1, 2013, at 12:56 PM, Steve Ellcey <sellcey@mips.com> wrote:
> >> You should report a bug to them and have them define clock_t.
> > 
> > They are defining clock_t, but for some reason the GCC configure is not
> > seeing it (perhaps because of what header files get included).
> 
> Curious, do you have sys/time.h?  If so, that's likely the cause, as system.h does this:
> 
> # if HAVE_SYS_TIME_H
> #  include <sys/time.h>
> # else
> #  ifdef HAVE_TIME_H
> #   include <time.h>
> #  endif
> # endif
> 
> thus cleverly avoiding even including time.h when it exists.  I suspect
> TIME_WITH_SYS_TIME failed for some silly reason, though, can't guess why.
> autoconf is fun when it fails.

Yes, mingw does have sys/time.h, but their sys/time.h includes <time.h>
so it should work.  And now when I try to reproduce the problem it seems
to work.  I am getting HAVE_CLOCK_T defined in auto-build.h and
auto-host.h.

Steve Ellcey
sellcey@mips.com