DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:message-id:date:from:reply-to:mime-version:to
	:subject:references:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=a18ZD3eIHtjAm8Nn
	l+ciLg0/v0pM8nrHNTzcZ4S/XVaw8uvV1jTQ30nV6ruS50+6txwX1FVni2vC7F6F
	P8jF7YtIVgr+KKwF/+e/1bEJEhMFMi+RChKwjXu+WOklRiguoEtXyJmCCgnZZZuz
	gs/QasvKPSy7xuP/DeAoc6UJGXo=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Message-id: <549DF3A7.7080108@cygwin.com>
Date: Fri, 26 Dec 2014 18:47:51 -0500
From: "Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
Reply-to: cygwin AT cygwin DOT com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.3.0
MIME-version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: ld.exe segfault when compiling Box Backup
References: <alpine DOT DEB DOT 2 DOT 02 DOT 1412241452430 DOT 4954 AT lap-x201>
In-reply-to: <alpine.DEB.2.02.1412241452430.4954@lap-x201>
Content-type: text/plain; charset=windows-1252; format=flowed
Content-transfer-encoding: 7bit

On 12/24/2014 10:09 AM, Chris Wilson wrote:
> Dear Cygwin Developers,
>
> I've been successfully building official Windows releases of Box Backup
> using Cygwin and its MinGW compilers for many years. (MinGW alone doesn't
> provide enough POSIX compatibility to run the test suite). Now I'm trying to
> build a new release on Windows 7 with 64-bit MinGW compilers and running
> into a problem where ld.exe is crashing during compilation.
>
> I narrowed down the test case to two files, and this command:
>
> Chris AT win7-64bit-vm /tmp
> $ x86_64-w64-mingw32-g++ BackupClientInodeToIDMap.o libqdbm.a
> collect2: error: ld terminated with signal 11 [Segmentation fault], core dumped
>
> You can download those two files here:
> http://gcc.flexdns.net/bugreport/BackupClientInodeToIDMap.o
> http://gcc.flexdns.net/bugreport/libqdbm.a
>
> Compiles that don't include both of those files appear to work OK, so it's
> something about them. BackupClientInodeToIDMap.o is one of the few parts of
> Box Backup (perhaps the only part) that depends on qdbm.
>
> Note that I ran cygcheck after downgrading to an older binutils to see if
> that would help, but it didn't. I get the same symptoms with "GNU ld (GNU
> Binutils) 2.24.51.20140411" installed (mingw64-x86_64-binutils
> 2.24.0.3.85cf705-1).
>
> I don't really know how to investigate this any further. I know very little
> about ld. Any help would be gratefully appreciated. Thanks!

If you haven't already, I recommend checking out this issue at the Mingw-w64
site (http://mingw-w64.sourceforge.net).  The Cygwin packages really come
from them and they are the maintainers.  They are best equipped to help you
with this issue.


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple