From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id F22C33848030; Sun,  6 Jun 2021 12:59:17 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F22C33848030
From: "nicolas at debian dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/29482] libcpp/configure - no usable dependency style
 found
Date: Sun, 06 Jun 2021 12:59:17 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: bootstrap
X-Bugzilla-Version: 4.1.1
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: nicolas at debian dot org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
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: cc
Message-ID: <bug-29482-4-oJfIdashav@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-29482-4@http.gcc.gnu.org/bugzilla/>
References: <bug-29482-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Sun, 06 Jun 2021 12:59:18 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D29482

Nicolas Boulenguez <nicolas at debian dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nicolas at debian dot org

--- Comment #9 from Nicolas Boulenguez <nicolas at debian dot org> ---
Hello.

I had the failure with GCC-10.2.1, only when running `autoreconf -f -i .
fixincludes gcc subdirs...` before `./configure`.

For each subdir in turn, autoreconf checks if the subdirectory uses libtool=
 or
automake.  If so, it installs depcomp in . (../ from the subdir), else remo=
ves
./depcomp (breaking the build of other subdirectories).

Changing the order of autoreconf arguments so that the last one depends on
automake fixed the problem for me.

I am not sure if this is a bug, or where to report it, but documenting the
work-around here may be useful to other GCC users.=