Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Tue, 13 May 2003 22:34:23 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: "Bill C. Riemers" <cygwin AT docbill DOT net>
cc: cygwin AT cygwin DOT com
Subject: Re: Help cross compiling for MingW32 standalone executables.
In-Reply-To: <016e01c319b3$8aad00e0$6400a8c0@FoxtrotTech0001>
Message-ID: <Pine.GSO.4.44.0305132225410.17480-100000@slinky.cs.nyu.edu>
Importance: Normal
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII

Bill,

I thought this problem was fixed in more recent versions of gcc-mingw and
cygwin, but apparently not.  You should probably try the solution CGF
provided in <http://cygwin.com/ml/cygwin/2003-05/msg00855.html>.
	Igor

On Tue, 13 May 2003, Bill C. Riemers wrote:

> Igor,
>
> You are right, I am using the -lm flag.  However, you are wrong in that I am
> not using an "older" version of cygwin.  I just ran "setup" and all my
> development packages are listed as "keep", meaning
> they are the most current stable versions.  For example:
>
> gcc is 3.2-3
> gcc-mingw is 20020817-5
> ...
>
> I've checked and my build does not like in cygwin1.dll if I edit the
> Makefile's by hand to remove the -lm flag.  The problem is the
> "AC_CHECK_LIB(m,sqrt)" autoconf macro always report -lm exists and is needed
> for the sqrt function when the host target is i686-pc-mingw32.  So anybody
> who tries to reproduce my build will have the same problem.
>                                                  Bill
>
> ----- Original Message -----
> From: "Igor Pechtchanski" <pechtcha AT cs DOT nyu DOT edu>
> To: "Bill C. Riemers" <cygwin AT docbill DOT net>
> Cc: <cygwin AT cygwin DOT com>
> Sent: Tuesday, May 13, 2003 8:01 PM
> Subject: Re: Help cross compiling for MingW32 standalone executables.
>
>
> > On Tue, 13 May 2003, Bill C. Riemers wrote:
> >
> > > I've been attempting to build mingw32 standalone executables by
> > > cross compiling with the -mno-cygwin option.  I thought it was
> > > working correctly, until I handed off the execuables to someone
> > > without cygwin.  It turns out the executables still link in
> > > cygwin1.dll.  Does anyone know what flag I should use to get a true
> > > standalone excutable?
> > >                                             Bill
> >
> > "gcc -mno-cygwin" should work.  If you had an older Cygwin, I'd've guessed
> > you're linking with a "-lm" flag, but that should be fixed now.  As it is,
> > though, it's possible that you're explicitly linking one of the
> > Cygwin-dependent DLLs.  Try running "cygcheck yourapp.exe", and see what
> > it depends on.  That should tell you what you've linked in that's pulling
> > in cygwin1.dll.
> >
> > If not, please provide the exact compile and link lines you're using to
> > build your executable.
> > Igor

-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

Knowledge is an unending adventure at the edge of uncertainty.
  -- Leto II


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