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 1D64F3857C61; Mon,  1 Aug 2022 23:07:43 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1D64F3857C61
From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/58638] libstdc++ builds as non-PIC when --with-pic is
 specified
Date: Mon, 01 Aug 2022 23:07:42 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 4.8.1
X-Bugzilla-Keywords: build
X-Bugzilla-Severity: normal
X-Bugzilla-Who: redi at gcc dot gnu.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: 
Message-ID: <bug-58638-4-86uB5gp4RG@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-58638-4@http.gcc.gnu.org/bugzilla/>
References: <bug-58638-4@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: Mon, 01 Aug 2022 23:07:43 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D58638

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Alec Ari from comment #11)
> This fix worked for me:
>=20
> --- a/libstdc++-v3/configure.ac
> +++ b/libstdc++-v3/configure.ac
> @@ -121,8 +121,8 @@ if test "$enable_shared" =3D yes; then
>    glibcxx_compiler_shared_flag=3D"-D_GLIBCXX_SHARED"
>=20=20
>  else
> -  glibcxx_lt_pic_flag=3D
> -  glibcxx_compiler_pic_flag=3D
> +  glibcxx_lt_pic_flag=3D"-prefer-pic"
> +  glibcxx_compiler_pic_flag=3D"$lt_prog_compiler_pic_CXX"
>    glibcxx_compiler_shared_flag=3D
>  fi
>=20
> (no elif / no else if)

But this means always PIC, doesn't it? Even if you build with --disable-sha=
red
and --without-pic. Surely that's not right? Why is this better than comment=
 9?=