Re: Libtool is "unfatting" my universal binaries

[Peter O'Gorman]

On Oct 9, 2007, at 1:02 AM, Peter O'Gorman wrote:

> On Oct 7, 2007, at 5:07 AM, Brian wrote:
>
> > I am trying to make a universal binary out of our software on OSX.  
> > The general strategy is to configure with LDFLAGS/CXXFLAGS="-arch  
> > i386 -arch ppc". This seems to work for our convenience libraries,  
> > which become fat, but when it comes time to make one of our  
> > distribution libraries, libtemt, libtool recognizes the  
> > convenience libs are fat and "unfats" them!
> >
> > I produced a log: http://pastey.net/74970
> >
> > I assume I am doing something wrong, although I know that libtool  
> > is unaware of mac universal binaries. Does anyone have suggestions  
> > for getting my libs to be i386/ppc, without resorting to building  
> > on the actual hardware for each and lipo'ing them together?
> >
> > Thanks and cheers,
>
> Libtool is well aware of universal archives. ar x does not work  
> with universal archives, so libtool uses lipo(1) to extract the  
> objects for each architecture and put them back together again.  
> This is because Mac OS X has no equivalent for GNU ld's --whole- 
> archive flag. What is the problem, I do not see a failure in your log.

Ah, I see, the -arch flags are being stripped. Update to a newer  
version of GNU libtool (1.5.22 should do), or put the -arch flags in  
the CC and CXX environment vars (e.g. ./configure CC='gcc -arch ppc - 
arch i386').

Peter
--
Peter O'Gorman
http://pogma.com