Re: template test with subdirs failure for HEAD on darwin [WAS support standalone libltdl [libtool--gary--1.0--patch-23]]

[Gary V. Vaughan]

Hallo Ralf!

On 21 Aug 2005, at 17:35, Ralf Wildenhues wrote:
> * Gary V. Vaughan wrote on Sun, Aug 21, 2005 at 05:44:05PM CEST:
> > On 21 Aug 2005, at 16:16, Ralf Wildenhues wrote:
> > > Can you get a demangled name of the symbol __Z2a2c?
> >
> > I dunno.  This is the kind of horror that makes me avoid C++ as if it
> > were perl ;-)
>
> Bob answered this already, but if you have GNU binutils nm, you can
> compare the difference of `nm' and `nm --demangle' of the objects
> created in this test.  I assume g++ uses the same mangling on  
> darwin, so
> that would be:
>   a2(char)
> This function is used in libb, and also in a template in the b.hh  
> header
> which is instantiated in main().

Argh!  You're making my brain hurt :-(  Bjarne Stroustrup is evil!!

> I wrote the test with different link lines to find out what is  
> portable
> and what is not.  If you comment out the AT_CHECKs below the comments
>   # lib convenience
> and
>   # both installed
> (both of these do not link libb.la against liba.la), does the test
> succeed then?  If so, could you commit a patch doing this for host_os
> darwin?  (I would still like to test this for other systems, even  
> if our
> link lines are not portable, it provides nice information.  Maybe  
> add a
> comment to this extent.)

Okay, done.  I didn't add the comment, because I don't know whether  
it is
inherent non-portability in what you are trying to do, or a stupidity in
darwin.  When 2.0 is out, and HEAD gets some testing on more hosts and
compilers we'll soon find out...

Thanks for the pointers :-)

Cheers,
    Gary.
--
Gary V. Vaughan      ())_.  gary@ 
{lilith.warpmail.net,gnu.org},address@hidden
Research Scientist   ( '/   http://www.tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/{libtool,m4}
Technical Author   `(_~)_   http://sources.redhat.com/autobook

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