/usr/bin/tar creates invalid lib file (was: Re: /usr/bin/strip: File format not recognized)

On 24.03.2012 01:29, Dimitry Andric wrote:
> On 2012-03-23 21:12, Boris Samorodov wrote:
>> I'm not sure but it seems to me that the question is more about
>> -current that -ports.
>>
>> While updating devel/nspr I get this:
> ...
>> /usr/bin/strip: /usr/local/lib/libnspr4.so.1: File format not recognized
>
> It builds and installs fine here, both on i386 and amd64, using both gcc
> and clang.
>
> What is the output of: "file /usr/local/lib/libnspr4.so.1" on your
> system?

I've done some steps to diagnose the case. Seems that /usr/bin/tar
does not create correct library:
-----
% file 
/usr/ports/devel/nspr/work/nspr-4.9/mozilla/nsprpub/build/dist/lib/../../pr/src/./libnspr4.so.1
/usr/ports/devel/nspr/work/nspr-4.9/mozilla/nsprpub/build/dist/lib/../../pr/src/./libnspr4.so.1: 
ELF 32-bit LSB shared object, Intel 80386, version 1 (FreeBSD), 
dynamically linked, not stripped
% file /usr/local/lib/libnspr4.so.1
/usr/local/lib/libnspr4.so.1: data
% hd -C /usr/local/lib/libnspr4.so.1
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 
|................|
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 
|................|
*
% tar --version
bsdtar 3.0.3 - libarchive 3.0.3
-----

The library (/usr/local/lib/libnspr4.so.1) is created by the command:
-----
/usr/bin/tar -C 
/usr/ports/devel/nspr/work/nspr-4.9/mozilla/nsprpub/build/dist/lib 
--dereference -cf - . |  /usr/bin/tar -C /usr/local/lib -xof -
-----

-- 
WBR, Boris Samorodov (bsam)
FreeBSD Committer, http://www.FreeBSD.org The Power To Serve