[OTR-users] libtool: undefined symbols not allowed in i686-pc-mingw32 shared

[Ian Goldberg]

On Fri, Mar 12, 2010 at 02:10:36PM +0000, Marcin Cieslak wrote:
> Ian Goldberg <ian at cypherpunks.ca> wrote:
> > On Fri, Mar 12, 2010 at 12:01:53PM +0000, Marcin Cieslak wrote:
> >> However, regardless of the --enable-shared, the build process
> >> creates only static libotr.a library, and no DLL.
> >> In fact, the error message on the way is:
> >
> > This is the configure line I use to build it:
> >
> > ./configure --with-pic --build=`./config.guess` --host=i586-mingw32msvc \
> >         --prefix=/usr/i586-mingw32msvc
> 
> I don't use MSVC, only gcc, so my host is "i686-pc-mingw32".
> Other than that - this does not help, I also get the warning
> using --with-pic and --build as well. The build completes
> with the static library only.
> 
> > The suspicious thing here is that I'm pretty sure there shouldn't *be*
> > any undefined symbols.  Can you see what "U" lines nm outputs?
> 
> There are none (checked). Libtool complains "just in case" and does
> not check for the actual presence of the unknown symbols. 
> "-no-undefined" used to be the default in the days of yore,
> so it might have never been the problem in the past. 
> 
> So another question: do you remember a proper sequence of
> autoconf/automake/aclocal/whatever to regenerate ./configure
> and the Makefiles?

AFAIK, it's just:

    autoreconf -s -i

(see the INSTALL file).

> I have tried something and it works only partially (i.e. I still
> don't get shared libraries AND I had to patch ./libtool by hand
> because "$echo" was undefined ("$ECHO" was defined).  This might
> have something to do with the new version of libtool.

I'd think autoreconf would take care of all that.

> Anway, I have:
> 
> autoconf (GNU Autoconf) 2.63
> automake (GNU automake) 1.11
> ltmain.sh (GNU libtool) 1.5.22 Debian 1.5.22-2 (1.1220.2.365 2005/12/18 22:14:06
> )
> 
> Both libgcrypt and libgpg-error have the magic AC_LIBTOOL_WIN32_DLL
> (as well as AC_LIBTOOL_RC) before AM_PROG_LIBTOOL, so I felt
> like I might want to include that as well.

If you get it working, I'm of course more than happy to include the
patch.  ;-)

Thanks,

   - Ian