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Date: Sat, 05 Nov 2011 06:29:47 -0500
From: Eliot Moss <moss AT cs DOT umass DOT edu>
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To: cygwin AT cygwin DOT com
Subject: Re: JNI with g++
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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

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