From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from systemhalted (CPE0080c82c70ca.cpe.net.cable.rogers.com [24.112.224.149]) by dsl2.external.hp.com (Postfix) with ESMTP id BEE4D4829 for ; Tue, 1 Oct 2002 21:14:07 -0600 (MDT) Date: Tue, 1 Oct 2002 23:14:06 -0400 From: Carlos O'Donell To: John David Anglin Cc: parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] [roland@redhat.com: Re: [PATCH] glibc 2.2.94 - hppa - min kernel and unwind-find-fde] Message-ID: <20021002031406.GA32230@systemhalted> References: <20021001200329.GG25959@systemhalted> <200210012018.g91KIrCv028501@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200210012018.g91KIrCv028501@hiauly1.hia.nrc.ca> Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: > > Please figure it out and be sure. You need it only if there are existing > > old C++ binaries that have references to _Unwind_Find_FDE. If there are no > > C++ binaries you want to be compatible with that predate a certain GCC > > version (not sure which off hand), then you don't need it. But I don't > > think it hurts to have it. > > I believe that this is needed for dw2 exception support. This doesn't > work with gcc 3.0.4, so I don't think you need to worry much about old > binaries. So the rationale is: It never worked, so removing it still leaves non-working old C++ binaries. I assume I would be able to test this by looking at all the C++ binaries in the hppa archive and looking for ref's to _Unwind_Find_FDE. > > > 2002-10-01 Matthew Wilcox > > > > > > * sysdeps/unix/sysv/linux/configure: > > > Make 2.4.18 minimum linux kernel for hppa, and add > > > libc_cv_gcc_unwind_find_fde=yes. > > > > This log entry is for a generated file, and there is no log entry for the > > actual source file. > > I noticed this when I was fixing the gcc dw2 exception support. Changing > it didn't seem to have any affect on the v3 or g++ testsuite results, but > it seems the correct thing to do. > Setting "libc_cv_gcc_unwind_find_fde=no" seems the correct thing to do? ^^^^ c.