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Re: [Help-glpk] GLPK-Java JNI in Mac OS X 10.5.8

Subject: Re: [Help-glpk] GLPK-Java JNI in Mac OS X 10.5.8
Date: Wed, 1 Feb 2012 11:00:20 +0100

Dear Xypron,
OK, I've executed again the original ./configure and the original Makefile without modifying anything.

/configure CPPFLAGS=-I/System/Library/Frameworks/ JavaVM.framework/Headers SWIGFLAGS=-I/System/Library/ Frameworks/JavaVM.framework/Headers JAVA_HOME=/System/Library/ Frameworks/JavaVM.framework/Versions/1.6.0/Home/

I've properly set JAVA_HOME avoiding the 'invalid source release', thank you. I don't get why MacOS have all JavaVM installed by default up to 1.6, and the 'Current' is linked to 1.5 by default ¿? anyway...

Setting all by default, as I said, without modifying anything, this is the error I get when executing 'make check': Exception in thread "main" java.lang.UnsatisfiedLinkError: /Users/ death/Downloads/libglpk-java-1.0.19/swig/.libs/libglpk_java.0.dylib: no suitable image found. Did find: /Users/death/Downloads/libglpk- java-1.0.19/swig/.libs/libglpk_java.0.dylib: mach-o, but wrong architecture

I've been googling, and I found that it seems that Java is not able to load a 32bit library, even it should be:
$ lipo -info /usr/bin/java
Architectures in the fat file: /usr/bin/java are: ppc7400 i386 x86_64

And the GLPK-java library is:
$ lipo -info libglpk-java-1.0.19/swig/.libs/libglpk_java.dylib
Non-fat file: libglpk-java-1.0.19/swig/.libs/libglpk_java.dylib is architecture: i386

That's the reason I added the flag -m64. By compiling it with such a flag, I get the error I commented before:

Exception in thread "main" java.lang.UnsatisfiedLinkError:
        at org.gnu.glpk.GLPKJNI.glp_term_hook(Native Method)

About the architecture, I think (please correct me if I'm wrong) that MacOS X 10.5.8 is 32bit kernel only.

I've checked with the source codes you've given to me and the results are:

GCC: Running in 32bit mode.

Java: 64

So... I'm running a JavaVM 64bits in a computer running in 32bit environment... interesting

Any further idea?

Best regards,

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