Re: [Wireshark-commits] rev 35145: /trunk/ /trunk/epan/: Makefile.am /trunk/: Makefile.am.inc /trunk/wiretap/: Makefile.am /trunk/wsutil/: Makefile.am

[Jeff Morriss <jeff.morriss.ws () gmail com>]

Balint Reczey wrote:
> On 12/07/2010 04:06 PM, Jeff Morriss wrote:
> > rbalint () wireshark org wrote:
> > > http://anonsvn.wireshark.org/viewvc/viewvc.cgi?view=rev&revision=35145
> > >
> > > User: rbalint
> > > Date: 2010/12/07 05:38 AM
> > >
> > > Log:
> > >   Make libtool export only symbols listed in *.def files
> > [...]
> > > Directory: /trunk/wsutil/
> > >    Changes    Path           Action
> > >    +6 -2      Makefile.am    Modified
> > Hmmm, libwsutil holds the optional targets (e.g., inet_aton() for
> > systems that don't have it).
> >
> > At least on the MacOS 10.5 buildbots, nmedit complains if libtool asks
> > it to export a symbol that isn't present in the library.  I'm not sure
> > of an easy way to fix that (hacking the .def or the .sym file depending
> > on which optional targets are being built doesn't sound fun).  Any
> > ideas?  Or should we export all symbols from libwsutil?
> I revert the change for /trunk/wsutil/ to make us able to build for all platforms.
>
> I will look into other possibilities of hiding some functions:
> http://www.gnu.org/software/hello/manual/gnulib/Exported-Symbols-of-Shared-
> Libraries.html

Oops, looks like I just beat you to it.

As mentioned in the commit message, it may not be worth it for 
libwsutil: on my system there are only 21 global symbols (including 
things like _init, _end, etc.).  Since this library's purpose is to 
provide utility functions, I suppose we may be able to control what it 
exports fairly easily (there hopefully won't be any cases of module A's 
symbols being needed by module B where that symbol isn't also needed 
outside of the library).
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