[omniORB] [PATCH] omniorb/thread: use proper autoconf macros for header inclusion

[Duncan Grisby]

On Thu, 2016-07-21 at 00:06 +0200, Thomas Petazzoni via omniORB-list
wrote:

[...]
> It turns out that the configure.ac already checks for the availability
> of <unistd.h> and <sys/time.h>. So all what this patch does is use the
> C defines generated by the configure script to decide whether
> <unistd.h> and <sys/time.h> can be included or not.

The build still supports some platforms that don't use autoconf, so it's
not quite a simple as just using the autoconf defines, but I've checked
in a change that uses the autoconf defines if they're there, but still
works if autoconf is not in use.

Duncan.

-- 
 -- Duncan Grisby         --
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