I recently had to do some troubleshooting to compile the JNI bindings for 
openbabel.  I’d like to suggest a couple of tweaks to the README file for 
compilation for the OS X platform (At least on snow leopard 10.6.x).   It 
currently reads:

*** Mac OS X Compilation

As for Linux, but use the following instructions to compile the bindings. Also, 
replace LD_LIBRARY_PATH with DYLD_LIBRARY_PATH.

% g++ -c -I/System/Library/Frameworks/JavaVM.framework/Headers \
openbabel_java.cpp
% g++ -dynamiclib -o libopenbabel.jnilib openbabel_java.o \
-framework JavaVM -L/usr/local/lib -lopenbabel

To get the OBTest class working properly, I had to use these commands:

g++ -c -I../../include -I/System/Library/Frameworks/JavaVM.framework/Headers 
openbabel_java.cpp

(same as above but with openbabel’s header directory included, suggested by “as 
for linux, but use the following instructions..”, but perhaps not totally 
clear, at least to me.)

And for the library on mac (since the user may not have installed openbabel lib 
files to /usr/local/lib, also obtest tries to load 
System.loadLibrary("openbabel_java");):

g++ -dynamiclib -o libopenbabel_java.jnilib openbabel_java.o -framework JavaVM 
-L$OB_LIBDIR –lopenbabel


James Swetnam
Lead Scientific Programmer
Dept. of Pharmacology
NYU Langone Medical Center
550 First Ave
MSB 497-C
New York, NY 10016
Tel: (212)-263-8155

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