X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Message-ID: <4EB51E2B.7070507@cs.umass.edu> Date: Sat, 05 Nov 2011 06:29:47 -0500 From: Eliot Moss Reply-To: moss@cs.umass.edu User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: JNI with g++ References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On 11/5/2011 5:22 AM, Kraus Philipp wrote: > Hello, > > I try to build under Cygwin a JNI shared library. I must use Cygwin because Atlas& LAPack can be compiled only under Cygwin without the -mno-cygwin flag. > So my library code will be compiled. I link to other Cygwin compiled libraries (*.dll) and some static libs. If I run my Java example I see with the Sysinternal > ProcessExplorer that the libraries will be loaded but the library function(s) won't be run. The code does not create any exception or anything else, only > the function code does not run. > > Is there any difference for the linker? All libs are compiled under Cygwin so, if I use them under an executable everything works fine. > > Hope anybody can help me with this strange problem !? Assuming that you're talking about Oracle/Sun Java, cygwin libs won't run with it -- Java is not a cygwin app but a regular Windows app. Its run=time environment is totally different. You have to figure a way to build with no-cygwin using some toolset or other ... Regards -- Eliot Moss -- 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