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libjvm.dylib JNI_CreateJavaVM woes

Subject: libjvm.dylib JNI_CreateJavaVM woes
From: Hamish Allan <email@hidden>
Date: Wed, 6 Apr 2005 03:40:14 +0100
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Hi,

I'm trying to port something from Linux which appears to be written in C, but using Java for its GUI through JNI.

At the link stage I am getting:

/usr/bin/gcc-3.3 -g -I/System/Library/Frameworks/JavaVM.framework/Home/include -L/System/Library/Frameworks/JavaVM.framework/Libraries -o run agent.o event.o eventBeat.o eventInduction.o eventMidi.o fft.o gui.o learn.o main.o onset.o param.o playq.o realTimeInduction.o realTimeSystem.o realTimeTracking.o sample.o sampleAdv.o sampleBeat.o sampleIO.o sfheader.o song.o spectrum.o tmf.o tree.o util.o -lstdc++ -lm -lpthread -ljvm ld: Undefined symbols: _JNI_CreateJavaVM _JNI_GetDefaultJavaVMInitArgs

Looking inside libjvm I see _*_Impl versions of the functions I'm after:

$ otool -Tv /System/Library/Frameworks/JavaVM.framework/Libraries/libjvm.dylib | grep JNI libJVM.o _JNI_CreateJavaVM_Impl libJVM.o _JNI_GetCreatedJavaVMs_Impl libJVM.o _JNI_GetDefaultJavaVMInitArgs_Impl libJVM.o _JVM_IsSupportedJNIVersion

Is this some sort of name mangling issue? Can anyone please advise me on how to build this program?

Many thanks,
Hamish

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