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Date: Wed, 07 Jan 2009 11:59:45 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] PATCH: enable -clock dynticks for non-linux hosts
References: <20081220235546.GA55355@saturn.kn-bremen.de>
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To: qemu-devel@nongnu.org

Juergen Lock wrote:
> This does a configure check for posix timers instead of only enabling
> them on linux (and w32) hosts, so that -clock dynticks also works on
> FreeBSD >= 7.0 (and possibly others.)
>
> Index: qemu/configure
> @@ -1025,11 +1025,26 @@
>    rt=yes
>  fi
>  
> +##########################################
> +# posix timer probe
> +cat > $TMPC <<EOF
> +#include <time.h>
> +int main(void) { timer_create(CLOCK_REALTIME, (struct sigevent *)NULL, (timer_t *)NULL); return 0; }
> +EOF
> +posixtimer=no
> +if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
> +  posixtimer=yes
> +elif $cc $ARCH_CFLAGS -o $TMPE $TMPC -lrt 2> /dev/null ; then
> +  posixtimer=yes
> +  rt=yes
> +fi
> +
>  if test "$rt" = "yes" ; then
>    # Hack, we should have a general purpose LIBS for this sort of thing
>    AIOLIBS="$AIOLIBS -lrt"
>  fi
>   

Can you add a proper POSIXTIMERLIBS or something like that instead of 
doing the silliness with AIOLIBS?

Regards,

Anthony Liguori