Change in 'ar' behaviour

[Alan Modra]

On Tue, Aug 10, 2004 at 10:28:12AM -0400, Jeff Baker wrote:
> One of our customers has noticed a change in the behaviour of 'ar' 
> between 2.10.1 and 2.12.1 or later.
> 
> 2.10.1
> ------
> $ ar rcs test.a object.o
> $ ar rcs test.a dir/object.o
> $ ar tv test.a
> rw-rw-rw- 1003/513  21368 Jul 27 13:14 2004 object.o
> rw-rw-rw- 1003/513  12384 Jul 27 13:14 2004 dir/object.o
> 
> 2.12.1 (or later)
> -----------------
> $ ar rcs test.a object.o
> $ ar rcs test.a dir/object.o
> $ ar tv test.a
> rw-rw-rw- 1003/513  12384 Jul 27 13:14 2004 object.o

I suspect this was a deliberate change, to make GNU ar comply with
posix.

> I tried the -P option to ar, but that only causes ar to add every object 
> to the file whether the full path matches or not.  Is this behaviour 
> expected?

It seems a little unreasonable to me..

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre