Message-ID: <37281.14907.qm@web113504.mail.gq1.yahoo.com>
References: <596920.90071.qm@web113516.mail.gq1.yahoo.com> <4C2A697F.5020402@redhat.com>
Date: Tue, 29 Jun 2010 14:58:01 -0700 (PDT)
From: Refr Bruhl <refr_bruhl@yahoo.com>
Subject: Re: Shared libraries in Cygwin
To: Eric Blake <eblake@redhat.com>, cygwin@cygwin.com
In-Reply-To: <4C2A697F.5020402@redhat.com>
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Thanks for the info.. It helps

I am building Apache with subversion. That is where I get the error message


----- Original Message ----
From: Eric Blake <eblake@redhat.com>
To: cygwin@cygwin.com
Sent: Tue, June 29, 2010 4:45:35 PM
Subject: Re: Shared libraries in Cygwin

On 06/29/2010 03:43 PM, Refr Bruhl wrote:
> 
> Question
> 
> Since I get the message below does this mean cygwin cannot compile shared libraries?

Quite the contrary - cygwin1.dll is a shared library, which means not
only can cygwin compile shared libraries, but it depends on them!

> Or if a shared library is defined special action needs to be taken for
cygwin?

The special action being that all symbols must be defined in advance.

> 
> 
> libtool: link: warning: undefined symbols not allowed in i686-pc-cygwin shared libraries

Look into the documentation of the -no-undefined flag of libtool, and
make sure you are using it.

-- 
Eric Blake  eblake@redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org


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