Re: PATCH (libtool): Improper libgcj.a construction with modern GNU ar

["Boehne, Robert" <rboehne at ricardo-us dot com>]

Loren,

Actually, you're not the first to complain about this,
but no patch was provided.  ;^)
I'm going to check this change in to CVS Libtool after
changing it to alter ltmain.in.

Thanks,

Robert

Loren James Rittle wrote:
> 
> In article <3CD29B18.AC6561AD@ricardo-us.com>,
> "Boehne, Robert" <rboehne@ricardo-us.com> writes:
> 
> > The discussion of the problem seems to suggest that the
> > fix is to check for GNU ar, and add 'P', your patch
> > does somthing else.  Would you explain why?
> 
> > http://gcc.gnu.org/ml/java/2002-04/msg00338.html
> 
> > "When it is seen to be GNU ar, ``P'' must be added to AR_FLAGS"
> 
> [Yes, that was my original ill advice before I did required research.]
> 
> > I think I know the reason, but I like to make sure.
> 
> The reasons are (a) that binutils ar 2.10+ is documented to only honor
> the P flag for extraction (the workaround I originally suggested to
> use P was seen to work in practice but the documentation doesn't back
> up the use); (b) P is not a POSIX compatible flag whereas q (insert,
> without replacement) is both POSIX [1] and classic UNIX [2] ar compatible.
> 
> [1] http://www.opengroup.org/onlinepubs/007908799/xcu/ar.html
> [2] http://cm.bell-labs.com/7thEdMan/
> 
> Regards,
> Loren

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Robert Boehne             Software Engineer
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