From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23595 invoked by alias); 10 Nov 2014 06:22:45 -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 Received: (qmail 23569 invoked by uid 48); 10 Nov 2014 06:22:40 -0000 From: "gcc at ryandesign dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/63801] error: templates must have C++ linkage when building with isl and clang Date: Mon, 10 Nov 2014 06:22:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: build X-Bugzilla-Severity: normal X-Bugzilla-Who: gcc at ryandesign dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-11/txt/msg00660.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63801 --- Comment #4 from Ryan Schmidt --- Thanks. If I remove the extern "C" then it fails with: /opt/local/var/macports/build/_Users_rschmidt_macports_dports_lang_gcc5/libgcc-devel/work/gcc-5-20141109/gcc/graphite-optimize-isl.c:357:12: error: use of undeclared identifier 'isl_band_member_is_zero_distance' if (isl_band_member_is_zero_distance (Band, i)) ^ The isl changelog, under the heading "Changes since isl-0.12", says "The function isl_band_member_is_zero_distance has been removed. Essentially the same functionality is available through isl_band_member_is_coincident, except that is requires setting up coincidence constraints. The option schedule_outer_zero_distance has accordingly been replaced by the option schedule_outer_coincidence."