Re: Libtool stresstest.at segfault on Cygwin/MinGW

[Ralf Wildenhues]

Hi Peter,

* Peter Ekberg wrote on Fri, Sep 16, 2005 at 11:11:29AM CEST:
> * Peter Ekberg wrote on Thursday, September 15, 2005 15:15 CEST:
> > 
> > http://sourceware.org/ml/cygwin/2005-09/msg00471.html
> 
> It is indeed something different, it's a libtool bug. Here's a
> patch for stresstest.at that makes the test pass on Cygwin (and
> probably MinGW). I don't think it should be applied, but it shows
> where the problem is...

Yes.

> In short, when you specify the symbols to export with
> "-export-symbols foo.sym", the file foo.sym is simply prepended
> with an EXPORTS line (if missing) and used as a .def input file
> for the linker. But when a .def file is specified, the auto-export
> magic is shorted out of the loop and the .def file is trusted
> blindly. So, the correct fix is that when the symfile given to
> libtool does not start with an EXPORTS line, the symbols in it has
> to be filtered and " DATA" should be appended to those symbols
> that are data symbols, probably similar to what is done when the
> -export-symbols-regex option is used.

Should not the fix go into ltmain instead, so that it munges foo.sym to
conform to this?

Cheers,
Ralf