X-Recipient: archive-cygwin AT delorie DOT com
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:mime-version:to:subject
	:references:in-reply-to:content-type:content-transfer-encoding;
	 q=dns; s=default; b=wfj911dtii4/kDRk5abDktQGilkD1jyS5/K1UKthWAG
	4OrdwQN1e6eG5E33N6LhVGZEjSdE8Tbarq/Y0bLaG8wEql7Pjp4SjLUlU08W9pni
	VTFIYKkOavDfVswjtDHqVcNGEa0V+MAaVsHwd0FTXJ3a0E3g5vTZT4XUZ8zxraJ0
	=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:message-id:date:from:mime-version:to:subject
	:references:in-reply-to:content-type:content-transfer-encoding;
	 s=default; bh=IlZkfqO3sl/l+n5JcnXZC2hBPSU=; b=xg5BnKLZZcK4D2lZd
	E2bMv3959GcwEbPAF7chQmm8rz1p/cLi81kNhX8bH4QUDM6yZfK+z9JHIqu1Ysbc
	HQ+uDHRjMWwj6y8M/fSd1nVxv+E5beKdIKSupnTjteqrQFs63jQXGDxlWD5JeCYR
	RMcbwihk6W0yeCuoomuC2ef+1g=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/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
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-2.6 required=5.0 tests=BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2
X-HELO: mail-oa0-f49.google.com
X-Received: by 10.182.44.167 with SMTP id f7mr17063570obm.3.1382044746820;        Thu, 17 Oct 2013 14:19:06 -0700 (PDT)
Message-ID: <52605448.4040601@gmail.com>
Date: Thu, 17 Oct 2013 23:19:04 +0200
From: marco atzeri <marco DOT atzeri AT gmail DOT com>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.0.1
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: Linking to static libraries, e.g. gsl and hdf5
References: <20131018000238 DOT Horde DOT UZElabVgHsspuAWl7bQU_w7 DOT jzlehtol AT webmail DOT helsinki DOT fi>
In-Reply-To: <20131018000238.Horde.UZElabVgHsspuAWl7bQU_w7.jzlehtol@webmail.helsinki.fi>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes

Il 10/17/2013 11:02 PM, Susi Lehtola ha scritto:
> Hi,
>
>
> it seems that linking to some static libraries has broken down since the
> last time I tried to recompile my project (in April). Now the linking
> commands fail, e.g.
>
> /usr/bin/g++.exe  -Wall -O2 -funroll-loops -mtune=generic -msse2 -static
> -fopenmp program.cpp -lgsl -lgslcblas -llapack -lblas -lgfortran
>
> results in
>
> /usr/lib/gcc/i686-pc-cygwin/4.7.3/../../../../i686-pc-cygwin/bin/ld:
> cannot find -lgsl
> /usr/lib/gcc/i686-pc-cygwin/4.7.3/../../../../i686-pc-cygwin/bin/ld:
> cannot find -lgslcblas
>
> I also get the same error when linking to -lhdf5.
>
> Having had a look at /usr/lib, I noticed that a lot of the libraries
> follow the *nix convention
> of the static libraries being named libfoo.a, while others have names of
> the type libfoo.dll.a.
> Indeed, the latter was true for the GSL and the HDF5 libraries, and
> symlinking
>
> /usr/lib/libgsl.a -> /usr/lib/libgsl.dll.a
> /usr/lib/libgslcblas.a -> /usr/lib/libgslcblas.dll.a
> /usr/lib/libhdf5.a -> /usr/lib/libhdf5.dll.a
>
> solved the problem.
>
> Why is this not done in the gsl and hdf5 packages? Other packages might
> also be affected.

/usr/lib/libhdf5.dll.a is the dynamic library
so the workaround is a contradiction of your target
" Linking to static libraries"





--
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