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Re: tags and dist target broken with VPATH
- To: Ganesan Rajagopal <rganesan@novell.com>
- Subject: Re: tags and dist target broken with VPATH
- From: Brian Ford <ford@vss.fsi.com>
- Date: Thu, 17 Jun 1999 14:21:42 -0500
- cc: automake@gnu.org
On 17 Jun 1999, Ganesan Rajagopal wrote:
> >>>>> "Brian" == Brian Ford <ford@vss.fsi.com> writes:
>
> > On 16 Jun 1999, Ganesan Rajagopal wrote:
> >> list='$^'
> >>
> > This only works with GNU make. Most make's do not set $^.
>
> I didn't know this was specific to GNU make. Unfortunately etags does not
> take an option to update the tags for selected files (though ctags does), so
> we cannot use $?. Well, may be we can. How about using $? and etags with -a
> (append) option. Developers can always run make clean-tags and then make
> tags, if they want tags re-generated.
>
On some make's, $? only works with implicit rules. But, I think that
VPATH builds are only garanteed to with GNU make anyway, so maybe this
issue, and the previous one, is moot.
--
Brian Ford
Software Engineer
Vital Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax: 314-551-8444