Re: [PATCH] New language support interface

[Gary V . Vaughan]

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On 23 Mar 2004, at 04:50, Albert Chin wrote:
> On Wed, Mar 17, 2004 at 11:07:46PM -0600, Albert Chin wrote:
> > On Thu, Mar 18, 2004 at 04:30:55AM +0000, Scott James Remnant wrote:
> > > On Thu, 2004-03-18 at 03:51, Albert Chin wrote:
> > >
> > > > On Wed, Mar 17, 2004 at 08:20:09PM +0000, Scott James Remnant wrote:
> > > > > This removes the AC_LIBTOOL_TAGS macro in favour of a set of 
> > > > > LT_INIT
> > > > > options and a new LT_LANG macro to select language support.
> > > > >
> > > > > The three LT_INIT options are:
> > > > >
> > > > >         no-lang         No language support other than C.
> > > > >         all-lang        All supported languages
> > > > >         auto-lang       Automatically detect required support
> > > >
> > > > Ick. What developer using libtool does _not_ know what languages 
> > > > they
> > > > need. Is there every a case where "auto-lang" would not be used?  
> > > > Why
> > > > would a C-based project ever want a non-C-based tag?
> > >
> > > You're also assuming here that their entire build system will be 
> > > managed
> > > by the same configure.ac file; many projects have a lay out something
> > > like:
> > >
> > >         project-1.0/configure.ac
> > >         project-1.0/ltmain.sh
> > >         project-1.0/libtool
> > >         project-1.0/bindings/cxx/configure.ac
> > >         project-1.0/bindings/f77/configure.ac
> > >
> > > ...
> > >
> > > We therefore need to supply LT_LANG for these kinds of people.
> >
> > Ok, then I'm in favor of LT_LANG([language tag as defined by
> > autoconf]) but against the proposed new options to LT_INIT. If there
> > is no LT_LANG, language tags should be inferred by configure.ac, else
> > defined explicitly by LT_LANG. This still leaves the libtool bootstrap
> > issue unsolved but I say create a private macro (_LT_xxx) to solve the
> > bootstrap issue.
>
> Anyone agree with this? Or should this patch be committed as-is?

I have no problem with accepting language tags in Autoconf style and 
libtool-1.5
style.

But I think the additional LT_INIT options are just hair.  The 
interface will
definitely be cleaner without them.

Cheers,
        Gary.
- --
Gary V. Vaughan      ())_.  address@hidden,gnu.org}
Research Scientist   ( '/   http://tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/libtool
Technical Author   `(_~)_   http://sources.redhat.com/autobook

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