Re: java package - Mac Os X

[Ben Abbott]

On Jul 17, 2013, at 6:07 AM, CdeMills wrote:

> OK, finally got the thing working, by tweaking the compile commands.
> 
> Running 'make build' in src generates a rather obfuscated command:
> if [
> "X/System/Library/Frameworks/JavaVM.framework/Libraries/libjvm_compat.dylibX"
> = "XX" ]; then \
>               mkoctfile -DHAVE_OCTAVE_36 -v -DJAVAPKG_BUILD -I-n
> /System/Library/Frameworks/JavaVM.framework/Home/include -I-n
> /System/Library/Frameworks/JavaVM.framework/Home/include/linux -o
> __java__.oct __java__.cc ; \
>       else \
>               mkoctfile -DHAVE_OCTAVE_36 -v -DJAVAPKG_BUILD
> -DJAVA_ARCH=\\\"/System/Library/Frameworks/JavaVM.framework/Libraries/libjvm_compat.dylib\\\"
> -DJAVA_HOME=\\\"-n /System/Library/Frameworks/JavaVM.framework/Home\\\" -I-n
> /System/Library/Frameworks/JavaVM.framework/Home/include -I-n
> /System/Library/Frameworks/JavaVM.framework/Home/include/linux -o
> __java__.oct __java__.cc ; \
>       fi
> mkoctfile: unrecognized argument
> /System/Library/Frameworks/JavaVM.framework/Home\" 
> 
> I simplified it as:
> 
> mkoctfile -DHAVE_OCTAVE_36 -v -DJAVAPKG_BUILD
> -DJAVA_ARCH="/System/Library/Frameworks/JavaVM.framework/Libraries/libjvm_compat.dylib"
> -DJAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Home"
> -I/System/Library/Frameworks/JavaVM.framework/Home/include
> -I/opt/local/include  -o __java__.oct __java__.cc
> 
> 
> The second step fails:
> /opt/local/bin/g++-mp-4.7 -bundle -bundle_loader /opt/local/bin/octave-3.6.4
> -o __java__.oct __java__.o -L/opt/local/lib/octave/3.6.4 -L/opt/local/lib
> -loctinterp -loctave -lcruft -L/opt/local/lib/gcc47 -lstdc++ -lgfortran
> Undefined symbols for architecture x86_64:
>  "_JNI_CreateJavaVM", referenced from:
>      initialize_java()      in __java__.o
>  "_JNI_GetCreatedJavaVMs", referenced from:
>      initialize_java()      in __java__.o
> ld: symbol(s) not found for architecture x86_64
> collect2: error: ld returned 1 exit status
> 
> The option '-framework JavaVM' must be added:
> /opt/local/bin/g++-mp-4.7 -bundle -bundle_loader /opt/local/bin/octave-3.6.4
> -o __java__.oct __java__.o -framework JavaVM -L/opt/local/lib/octave/3.6.4
> -L/opt/local/lib -loctinterp -loctave -lcruft -L/opt/local/lib/gcc47
> -lstdc++ -lgfortran
> 
> This way, the files __java__.o and __java__.oct are correctly generated.
> 
> Regards
> 
> Pascal

Pascal,

If you'll provide a patch/diff for the java package and instructions for 
compiling on Mac OSX, I'll give it a try.  If all works, I can add an entry to 
the macports tracker.

Ben