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Nathan Jensen edited this page Feb 2, 2016 · 5 revisions

Required packages

Regardless of operating system, Jep requires compatible versions of the JDK and Python to be installed before it can be built and run. Here are some frequently used package names:

CentOS/RHEL

  • JDK
    • java-1.6.0-openjdk-devel
    • java-1.7.0-openjdk-devel
    • java-1.8.0-openjdk-devel
    • Oracle JDK
  • Python
    • python-devel

Ubuntu/Debian

  • JDK
    • openjdk-6-jdk
    • openjdk-7-jdk
    • openjdk-8-jdk
    • Oracle JDK
  • Python
    • python-dev
    • python3-dev

LD_PRELOAD

Due to some (common) difficulties with Java and C projects that dlopen libraries, you may need to set the LD_PRELOAD environment variable. That's in addition to setting LD_LIBRARY_PATH if you've installed libjep into a directory not cached by ld.so. See the contents of the installed jep script for an example how to do this. The script should have the correct values for your interpreter and virtualenv (if present).

LD_PRELOAD only applies to *nix systems, not Windows or OS X. Even on Linux, it may not be required to be set on your system. With the latest versions of Jep, LD_PRELOAD no longer seems to be required on *nix as it was before.

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