Important

Archived by Elide. Elide's fork of this project was retired on November 8, 2026 and is no longer maintained here. Its code, branches, and history remain available for reference. Upstream project: https://github.com/smasher164/staticjni.

Explore our current projects: myna, bemo, trufflecel, truffledata, and elide.

Statically-linked Native Image w/ JNI

Cross-platform build instructions.

0. The header file HelloWorld.h was generated by running javac -h . HelloWorld.java. Since this is checked into the repo, it doesn't need to be run again.

   The dependency org.graalvm.nativeimage/svm has been added to the project. In this repo's case, the jar was unzipped into the classpath. If you're using a package manager or build system, follow their respective instructions to add a dependency.

1. javac -cp . HelloWorld.java NativeFeature.java

2. jar cfm HelloWorld.jar manifest.txt HelloWorld.class NativeFeature.class

3. • Linux: cc -c -I "$JAVA_HOME/include" -I "$JAVA_HOME/include/linux" -o native.o Native.c
   • MacOS: cc -c -I "$JAVA_HOME/include" -I "$JAVA_HOME/include/darwin" -o native.o Native.c
   • Windows (msvc): cl /I "%JAVA_HOME%\include" /I "%JAVA_HOME%\include\win32" /c Native.c
4. • Linux and MacOS: ar rcs libNative.a native.o
   • Windows (msvc): lib Native.obj

5. native-image -jar HelloWorld.jar -H:CLibraryPath=.