GNU bug report logs - #22258
libtool should skip .la files it cannot read

Message received at submit <at> debbugs.gnu.org:

Received: (at submit) by debbugs.gnu.org; 28 Dec 2015 17:44:17 +0000
From debbugs-submit-bounces <at> debbugs.gnu.org Mon Dec 28 12:44:17 2015
Received: from localhost ([127.0.0.1]:46624 helo=debbugs.gnu.org)
	by debbugs.gnu.org with esmtp (Exim 4.84)
	(envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>)
	id 1aDbqC-0005zm-Fc
	for submit <at> debbugs.gnu.org; Mon, 28 Dec 2015 12:44:17 -0500
Received: from eggs.gnu.org ([208.118.235.92]:53318)
 by debbugs.gnu.org with esmtp (Exim 4.84)
 (envelope-from <basin@HIDDEN>) id 1aDXbY-00069b-1l
 for submit <at> debbugs.gnu.org; Mon, 28 Dec 2015 08:12:52 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
 (envelope-from <basin@HIDDEN>) id 1aDXbR-0004Uw-Qa
 for submit <at> debbugs.gnu.org; Mon, 28 Dec 2015 08:12:46 -0500
X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org
X-Spam-Level: 
X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled
 version=3.3.2
Received: from lists.gnu.org ([2001:4830:134:3::11]:59864)
 by eggs.gnu.org with esmtp (Exim 4.71)
 (envelope-from <basin@HIDDEN>) id 1aDXbR-0004Us-NL
 for submit <at> debbugs.gnu.org; Mon, 28 Dec 2015 08:12:45 -0500
Received: from eggs.gnu.org ([2001:4830:134:3::10]:44289)
 by lists.gnu.org with esmtp (Exim 4.71)
 (envelope-from <basin@HIDDEN>) id 1aDXbQ-0005Sw-Up
 for bug-libtool@HIDDEN; Mon, 28 Dec 2015 08:12:45 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
 (envelope-from <basin@HIDDEN>) id 1aDXbQ-0004Ue-29
 for bug-libtool@HIDDEN; Mon, 28 Dec 2015 08:12:44 -0500
Received: from [2a00:1120:0:1100:218:51ff:fe76:d18f] (port=43391
 helo=gate.reksoft.ru) by eggs.gnu.org with esmtp (Exim 4.71)
 (envelope-from <basin@HIDDEN>) id 1aDXbP-0004SA-Mn
 for bug-libtool@HIDDEN; Mon, 28 Dec 2015 08:12:43 -0500
Received: from calf.reksoft.ru (calf.reksoft.ru [192.168.111.3])
 by gate.reksoft.ru (8.14.3/8.14.4/Debian-8) with ESMTP id tBSCmlIl014332
 for <bug-libtool@HIDDEN>; Mon, 28 Dec 2015 15:48:48 +0300
Received: from [192.168.148.87] ([192.168.148.87])
 by calf.reksoft.ru (IBM Domino Release 9.0.1FP4)
 with ESMTP id 2015122815484712-193233 ;
 Mon, 28 Dec 2015 15:48:47 +0300 
To: bug-libtool@HIDDEN
From: Basin Ilya <basin@HIDDEN>
Subject: libtool should skip .la files it cannot read
Message-ID: <56812FB1.7050805@HIDDEN>
Date: Mon, 28 Dec 2015 15:48:49 +0300
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101
 Thunderbird/38.4.0
MIME-Version: 1.0
X-MIMETrack: Itemize by SMTP Server on calf/Reksoft/RU(Release 9.0.1FP4|June
 07, 2015) at 28.12.2015 15:48:47,
 Serialize by Router on calf/Reksoft/RU(Release 9.0.1FP4|June  07, 2015) at
 28.12.2015 15:48:48, Serialize complete at 28.12.2015 15:48:48
X-TNEFEvaluated: 1
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=utf-8
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.7
 (gate.reksoft.ru [188.64.144.36]); Mon, 28 Dec 2015 15:48:48 +0300 (MSK)
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x
X-Received-From: 2001:4830:134:3::11
X-Spam-Score: -4.0 (----)
X-Debbugs-Envelope-To: submit
X-Mailman-Approved-At: Mon, 28 Dec 2015 12:44:15 -0500
X-BeenThere: debbugs-submit <at> debbugs.gnu.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: <debbugs-submit.debbugs.gnu.org>
List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, 
 <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe>
List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/>
List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org>
List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help>
List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, 
 <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe>
Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org
Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
X-Spam-Score: -4.0 (----)

libtool behavior differs from GNU linker (ld) behavior

When a .so file exists in library path, but ld fails to open it due to
file permissions, it silently skips it and tries next directory.
Libtool fails with: "is not a valid libtool archive"

    [git@dioptase ~]$ ls -l
/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.*
    -rw-------. 1 oracle oracle 617772 Nov  8  2011
/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.a
    -rw-------. 1 oracle oracle    793 Nov  8  2011
/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.la
    -rw-------. 1 oracle oracle 408282 Nov  8  2011
/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.so
    -rw-------. 1 oracle oracle 408282 Nov  8  2011
/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.so.1
    -rw-------. 1 oracle oracle 408282 Nov  8  2011
/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.so.1.5.2
    [git@dioptase ~]$ echo 'int main(int argc, char *argv[]) { return 0;
}' >test.c
    [git@dioptase ~]$ gcc -c test.c
    [git@dioptase ~]$ gcc
-L/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib -lexpat -o test test.o
    [git@dioptase ~]$ libtool --tag=CC --mode=link gcc
-L/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib -lexpat -o test test.o
    libtool: link:
`/opt/oracle/product/12.1.0.2/OraClient12c_Home1/lib/libexpat.la' is not
a valid libtool archive


libtool version 2.4.6

-- 

--------------------------------------------------------------------------------
Kind regards,
Ilya Basin
software engineer
Reksoft

Skype: basin_ilya
phone +7(812)324-24-40*553