[Vm-dev] help with autoconf...
bert at freudenbergs.de
Wed Apr 22 19:38:55 UTC 2009
On 22.04.2009, at 21:13, Eliot Miranda wrote:
> On Wed, Apr 22, 2009 at 11:28 AM, Bert Freudenberg <bert at freudenbergs.de
> > wrote:
> On 22.04.2009, at 20:04, Eliot Miranda wrote:
> Hi All,
> I need to modify the autoconf scripts in the unix build to
> arrange to omit the -fomit-frame-pointer flag form on e of the files
> in Cog. I've asked Ian for help but he's not responded for whatever
> reason and I would like to solve the issue up front. Is anyone
> familiar enough with autoconf and has the free time to hold my hand
> through the process. I haven't got the patience to learn autoconf
> myself (fundamentally because I think its a heap of crap, waaaay too
> complicated to be worth the effort) but I would like to have the
> rest of the VM compiled with -fomit-frame-pointer, essentially for
> plugin performance, so I don't want to take the easy route and
> simply omit -fomit-frame-pointer throguhout, and I don't want to
> spend the time e.g. porting the Newspeak make framework, which would
> be a good thing in the long run.
> Ian is on vacation.
> That explains it.
> Easiest might be to add -fno-omit-frame-pointer when your file is
> compiled, this should cancel a previous -fomit-frame-pointer.
Actually, no. -fno-omit-frame-pointer seems to *force* a frame pointer
even on platforms that by default have none ... or is that what you
> My problem, however, is how to get autoconf to generate a specific
> compile rule for one file. I can define the alternative COMPILEALT
> macro but I can't yet figure out how to spit out that rule for a
> specific source file withoput hacking it at the wrong place. But
> I'm getting closer :/
Assuming you put it in the vm directory, hacking platforms/unix/vm/
Makefile.in should do it, no?
- Bert -
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Vm-dev