Yep Greg is right, the JDK 1.6 on Mac is 64 bit, and the 1.5 JDK is 32 bit.
To get jnilib files that work with both, I am adding "-arch x86_64 -arch
i386" to the build targets. So change your libtoscomm.jnilib target in
Makefile.am in tinyos-2.x/tools/tinyos/java/serial and
tinyos-2.x/tools/tinyos/java/env to look like this:
libtoscomm.jnilib: $(libtoscomm_jnilib_SOURCES)
$(CXX) -arch x86_64 -arch i386 -O2 -bundle "-I$(JDK)/Headers" \
-o $@ NativeSerial_darwin.cpp
this will produce a universal binary that will work with both JDKs. You
could also get crazy and add -arch ppc etc. if you need portable binaries
for older Macs but I have not tried that.
Chris
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On Wed, Apr 8, 2009 at 3:39 PM, Greg Hackmann <[email protected]> wrote:
> On 4/8/09 3:43 PM, [email protected] wrote:
> > My java version is:
> > $ java -version
> > java version "1.6.0_07"
> > Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
> > Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)
> >
> >
> > Thank you for any help or suggestions.
> >
> > Regards,
> > Samuele.
>
> You're using Java 6, which is 64-bit on OS X. When you built
> libtoscomm.jnilib, it was almost certainly built as a 32-bit library.
> You can confirm this by running "file
> /Library/Java/Extensions/libtoscomm.jnilib" (if it says "Mach-O bundle
> i386", it's 32-bit). You can't use 32-bit JNI libraries with a 64-bit
> Java VM, so Java is completely ignoring it.
>
> The simplest fix is to make the 32-bit J2SE 5.0 VM the default by
> running Java Preferences and dragging it to the top of the list.
>
> Or, you could try to compile libtoscomm.jnilib as a 64-bit library. I'm
> not sure how to do that, though.
>
> Greg Hackmann
> _______________________________________________
> Tinyos-help mailing list
> [email protected]
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>
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