java package and MacOS

[Ben Abbott]

Adding the Octave Forge java package to core Octave breaks building Octave on 
MacOS X.

        http://hg.savannah.gnu.org/hgweb/octave/rev/acf0addfc610

libtool: link: /opt/local/bin/g++-mp-4.5  -o dldfcn/.libs/__java__.so -bundle  
dldfcn/.libs/dldfcn___java___la-__java__.o   -L/opt/local/lib 
./.libs/liboctinterp.dylib -L/opt/local/libexec/llvm-3.1/lib 
-L/opt/local/lib/gcc45/gcc/x86_64-apple-darwin11/4.5.4 
-L/opt/local/lib/gcc45/gcc/x86_64-apple-darwin11/4.5.4/../../.. 
-L/opt/local/lib/gcc45 
/Users/bpabbott/Development/mercurial/default/sources/liboctave/.libs/liboctave.dylib
 -lfltk_gl -lfltk -lpthread /opt/local/lib/libhdf5.dylib 
/opt/local/lib/libfontconfig.dylib /opt/local/lib/libiconv.dylib 
/opt/local/lib/libfreetype.dylib -lz -lbz2 /opt/local/lib/libexpat.dylib 
/opt/local/lib/libX11.dylib /opt/local/lib/libxcb.dylib 
/opt/local/lib/libXau.dylib /opt/local/lib/libXdmcp.dylib -lLLVMAsmParser 
-lLLVMInstrumentation -lLLVMLinker -lLLVMArchive -lLLVMBitReader 
-lLLVMDebugInfo -lLLVMJIT -lLLVMipo -lLLVMVectorize -lLLVMBitWriter 
-lLLVMTableGen -lLLVMHexagonCodeGen -lLLVMHexagonAsmPrinter -lLLVMHexagonDesc 
-lLLVMHexagonInfo -lLLVMPTXCodeGen -lLLVMPTXDesc -lLLVMPTXInfo 
-lLLVMPTXAsmPrinter -lLLVMMBlazeDisassembler -lLLVMMBlazeAsmParser 
-lLLVMMBlazeCodeGen -lLLVMMBlazeDesc -lLLVMMBlazeInfo -lLLVMMBlazeAsmPrinter 
-lLLVMCppBackendCodeGen -lLLVMCppBackendInfo -lLLVMMSP430CodeGen 
-lLLVMMSP430Desc -lLLVMMSP430Info -lLLVMMSP430AsmPrinter -lLLVMXCoreCodeGen 
-lLLVMXCoreDesc -lLLVMXCoreInfo -lLLVMCellSPUCodeGen -lLLVMCellSPUDesc 
-lLLVMCellSPUInfo -lLLVMMipsDisassembler -lLLVMMipsAsmParser -lLLVMMipsCodeGen 
-lLLVMMipsDesc -lLLVMMipsInfo -lLLVMMipsAsmPrinter -lLLVMARMDisassembler 
-lLLVMARMAsmParser -lLLVMARMCodeGen -lLLVMARMDesc -lLLVMARMInfo 
-lLLVMARMAsmPrinter -lLLVMPowerPCCodeGen -lLLVMPowerPCDesc 
-lLLVMPowerPCAsmPrinter -lLLVMPowerPCInfo -lLLVMSparcCodeGen -lLLVMSparcDesc 
-lLLVMSparcInfo -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter 
-lLLVMX86AsmParser -lLLVMX86Disassembler -lLLVMX86Desc -lLLVMX86Info 
-lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMMCDisassembler -lLLVMMCParser 
-lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine 
-lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMMCJIT -lLLVMRuntimeDyld 
-lLLVMExecutionEngine -lLLVMTarget -lLLVMMC -lLLVMObject -lLLVMCore 
-lLLVMSupport ../liboctave/.libs/liboctave.dylib -lstdc++ -lcholmod -lmetis 
-lumfpack -lsuitesparseconfig -lamd -lcamd -lcolamd -lccolamd -lcxsparse 
/opt/local/lib/libarpack.dylib -ltatlas -lqrupdate 
/opt/local/lib/libfftw3.dylib /opt/local/lib/libfftw3f.dylib -llapack -lcblas 
-lf77blas -latlas -lreadline -lncurses /opt/local/lib/libpcre.dylib -ldl 
/opt/local/lib/gcc45/libgfortran.dylib -lm  -O0 -m64 -pthread -Wl,-dylib_file 
-Wl,/usr/fubar/lib/octave/3.7.0+/liboctave.1.dylib:/Users/bpabbott/Development/mercurial/default/sources/liboctave/.libs/liboctave.dylib
   -pthread -framework AGL -framework OpenGL -framework ApplicationServices 
-framework Cocoa
Undefined symbols for architecture x86_64:
  "_JNI_CreateJavaVM", referenced from:
      initialize_jvm()      in dldfcn___java___la-__java__.o
  "_JNI_GetCreatedJavaVMs", referenced from:
      initialize_jvm()      in dldfcn___java___la-__java__.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make[3]: *** [dldfcn/__java__.la] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Looking at config.log, I have the follow defined.

#define JAVA_ARCH ""
#define JAVA_HOME ""
ac_cv_prog_JAVA=java
ac_cv_prog_JAVAC=javac
JAVA='java'
JAVAC='javac'
JAVA_CPPFLAGS=''
JAVA_LIBS=''

Ben