cd ..; ant ; cd native
javah -classpath ../simple.jar -jni org.apache.felix.examples.simple.Activator
gcc -I/usr/java/jdk/include \
    -I/usr/java/jdk/include/linux \
    -c simple_bundle_foo_method.c -o simple_bundle_foo_method.o
ld -G simple_bundle_foo_method.o -o libfoo.so