Re: [Boost-build] How to specify "ar" path?

Subject: Re: [Boost-build] How to specify "ar" path?
From: Vladimir Prus (ghost_at_[hidden])
Date: 2010-04-24 05:09:34

On Saturday 24 April 2010 04:28:37 Steve Soule wrote:

> On my Suse Linux 11.2 x86_64 machine, I have the MinGW Windows
> cross-compiler installed (from the OpenSuse Build Service).  The
> executables for g++ and ar are:
> 
> /usr/bin/i686-pc-mingw32-g++
> /usr/bin/i686-pc-mingw32-ar
> 
> If I specify the following in my user-config.jam file:
> 
> using gcc : mingw : /usr/bin/i686-pc-mingw32-g++ ;
> 
> then Boost Build can find the right g++ executable, but not the right ar
> executable.  It tries:
> 
> /usr/bin/ar
> 
> which doesn't work because /usr/bin/ar doesn't understand non-Linux
> object files.

What is the output of 

        /usr/bin/i686-pc-mingw32-g++ -print-prog-name=ar

? It it the 'ar' binary that must be used? Are you using SVN HEAD version
of Boost.Build (or nightly build at http://boost.org/boost-build2) -- which
should use this trick automatically?

- Volodya

> 
> To work around this problem, I created a directory /home/soule/mingw
> with symlinks to the mingw g++ and ar, and used the following
> user-config.jam instead:
> 
> using gcc : mingw : /home/soule/mingw/g++ ;
> 
> This works fine, but is a kludge.  There must be some way to specify the
> path to ar in the "using gcc" rule.  But I haven't found it in the
> documentation.

Use:

        using gcc : mingw : /usr/bin/i686-pc-mingw32-g++ : <archiver>whatever ;

Thanks,

--
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build: http://boost.org/boost-build2