p≡p for Java
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2.0 KiB

p≡p JNI Adapter

More complete developer instructions can be found here: https://dev.pep.foundation/JNI%20Adapter/Tutorial.



To set up yml2 properly, consult the documentation of pEp Engine (linked below). yml2 is a build dependency of pEp Engine.

C and C++ compiler

Any gcc or clang distribution offered by your OS is fine.

pEp Engine

Instructions for obtaining the pEp Engine can be found on https://pep.foundation/dev/repos/pEpEngine/file/.


Instructions for obtaining libpEpAdapter can be found on https://pep.foundation/dev/repos/libpEpAdapter/file/.

Java 8 (or newer) JDK

Download Oracle Java from https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html.

OpenJDK can be installed from macports on macOS with one of the following commands:

sudo port install openjdk8
sudo port install openjdk11


Build configuration will be the result of including these files in the following order:

  • Makefile.conf - Defaults
  • local.conf - optional cfg (overwrites existing values)
  • src/local.conf- optional cfg for src dir (overwrites existing values)

An example local.conf looks like this:





The the foo_PATH variables will be turned into compiler directives (-I / -L), which can be directly set by just omitting "_PATH" (e.g. ENGINE_INC). They will take priority.

Depending on what is already set in your environment, or can be found in your default include/library paths, setting any of these variables may be optional on your platform.

Now, build the Adapter with

On Linux:

make src

On macOS:

make src

(The GNU Make distributed with macOS might be too old, in this case install GNU Make "gmake" from macPorts).