From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16834 invoked by alias); 1 Dec 2010 22:06:55 -0000 Received: (qmail 16824 invoked by uid 22791); 1 Dec 2010 22:06:55 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_GD X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 01 Dec 2010 22:06:50 +0000 From: "iains at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/46749] gcc.dg/debug/pr41893-1.c -gdwarf-2 testsuite failures on darwin X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: iains at gcc dot gnu.org X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Wed, 01 Dec 2010 22:06:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-12/txt/msg00103.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46749 --- Comment #18 from Iain Sandoe 2010-12-01 22:06:23 UTC --- (In reply to comment #16) > On Wed, 1 Dec 2010, iains at gcc dot gnu.org wrote: > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46749 > > > > --- Comment #15 from Iain Sandoe 2010-12-01 21:34:19 UTC --- > > splitting the command into compile and link steps will intentionally remove the > > dsymutil step - thus making the problem 'go away' ... > > > > dsymutil should _only_ be called if there is a source file on the c/l > > (which would have its object deleted and thus be unavailable for debug). > > Huh, ok. But the spec seems to call it unconditionally in the > link-command-spec when -g is visible. At least I can't see how > a "source file" is matched (and we now definitely do find object > files as source for the link step). it is matched (with the noted hacky & buggy behavior) by the list of suffixes. > And the issue is probably that we match on the intermediate link > command but execute only after that is finished. OK > Well, that dsymutil hack looks like a hack. yeah - it's on my TODO (pr43751). FWIW, some time ago, I did enquire about the difficulty of adding an intentional additional post-link phase, with the feedback that it was prob. not easy.