JNA broken with r251668 as libc.so cant be loaded

[Konstantin Belousov]

On Fri, Oct 04, 2013 at 05:39:37PM -0400, Jung-uk Kim wrote:
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> On 2013-10-04 17:14:58 -0400, Jung-uk Kim wrote:
> > On 2013-10-04 11:20:00 -0400, Konstantin Belousov wrote:
> >> On Fri, Oct 04, 2013 at 02:07:09PM +0400, Sevan / Venture37
> >> wrote:
> >>> On 04/10/2013 09:08, Konstantin Belousov wrote:
> >>>> Does the source contain some workaround for Linux, already ? 
> >>>> Linux uses script for libc.so for very long time, and should 
> >>>> have the same issue unless code explicitely dlopen()s
> >>>> libc.so.6 or such.
> >>> 
> >>> 
> >>> No 
> >>> https://svn.java.net/svn/jna~svn/trunk/jnalib/test/com/sun/jna/LibraryLoadTest.java
> >
> >>> 
> >>> 
> >> I do not know what should I see in the pointer you provided, and 
> >> how it implies the answer 'No' to my question.
> > 
> >> I just verified dlopen("libc.so") on some fresh Linux box, and
> >> the function returned expected error '/lib/libc.so: invalid ELF 
> >> header'.
> > 
> > I haven't verified it but it seems to have special case for Linux. 
> > Please see:
> > 
> > https://github.com/twall/jna/blob/master/src/com/sun/jna/NativeLibrary.java#L206
> >
> > 
> https://github.com/twall/jna/blob/master/src/com/sun/jna/NativeLibrary.java#L741
> > https://github.com/twall/jna/blob/master/src/com/sun/jna/NativeLibrary.java#L768
> 
> Verified.
> > 
> This simple patch fixed the problem for me.
> 
> http://people.freebsd.org/~jkim/jna.diff

The patch looks like a proper solution.

Thank you for figuring it out.
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