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Re: i have a new feature. anybody want it?
From: |
Ralf Wildenhues |
Subject: |
Re: i have a new feature. anybody want it? |
Date: |
Wed, 17 Feb 2010 20:59:21 +0100 |
User-agent: |
Mutt/1.5.20 (2009-10-28) |
* Jay G. Scott wrote on Wed, Feb 17, 2010 at 05:34:29PM CET:
> On Wed, Feb 17, 2010 at 08:15:58AM +0100, Ralf Wildenhues wrote:
> > * Jay G. Scott wrote on Mon, Feb 15, 2010 at 07:07:44PM CET:
> > >
> > > while working on GAMESS (a quantum chemistry program) i ran in
> > > to a situation that made it clear that individual source files
> > > needed to be compiled with different optimization options.
> > > automake doesn't support that.
> >
> > Yes, it does, by way of per-target flags like foo_CFLAGS, foo_FFLAGS,
>
> right, that's per-TARGET. not per OBJECT FILE (or source file)
> which is what i need.
One can emulate per-object file by using convenience archives for sets
of files that need a special per-target flag.
I agree that it's a bit ugly (and has some overhead) to do so, but at
the time Automake invented this, no efficient portable method for
per-object file flags was known, and moreover, object file names are an
internal detail of Automake (for several reasons, e.g., renaming due to
per-target compile flags, length limitations, subdir-objects, KnR
support).
Cheers,
Ralf