From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 127377 invoked by alias); 28 Oct 2016 18:55:43 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 127287 invoked by uid 89); 28 Oct 2016 18:55:42 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.3 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=linkedin, therein, Hx-languages-length:778 X-HELO: mx1.redhat.com Subject: Re: [PATCH] Add test for linking against most static libraries To: Joseph Myers , "Carlos O'Donell" References: <20161028125742.928D7439942E0@oldenburg.str.redhat.com> <8b17140d-bbab-95c1-7458-7214f0e474ad@redhat.com> <9c9a0748-7101-a6a0-297e-106886589d81@redhat.com> Cc: libc-alpha@sourceware.org From: Florian Weimer Message-ID: Date: Fri, 28 Oct 2016 18:55:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2016-10/txt/msg00562.txt.bz2 On 10/28/2016 07:33 PM, Joseph Myers wrote: > On Fri, 28 Oct 2016, Carlos O'Donell wrote: > >> I'm kinda baffled by this. We don't set it in config-sysdirs. >> >> I expect you have a local patch that hid this. > > I expect he happened to have a compiler that searched a system include > directory with crypt.h. This is what seems to have happened, at least according to elf/tst-linkall-static.o.d. It happened on all systems I tested this. I suspect the only way to guard against this is to parse the default compiler search paths from gcc -v and replace the variants of /usr/include found therein with a carefully prepared directory tree of installed headers and some linked-in kernel headers. Thanks, Florian