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README.md

openLCA build

This project contains the scripts for building the openLCA distribution packages for Windows, Mac OS, and Linux. The build is based on an Ant script for an Eclipse PDE build and a Python script packager.py that creates the distribution packages and installers. Thus, you need to have Python 3 installed in order to run the build. You can run the build by executing the build.xml script as Ant Build directly in Eclipse (this will also call the Python packager). It is important to run the build within the same JRE as the Eclipse platform because otherwise the PDE scripts cannot be found ( Run AS -> Ant Build -> JRE -> Run in same JRE as the workspace).

However, it seems that the PDE build stopped working in newer Eclipse versions. The last version where it should work (and which we use to build the distribution packages) is Eclipse Luna. With the Eclipse Luna package for RCP and RAP developers the build should work.

The build of the distribution packages currently works on Windows only and requires some additional tools and Java Runtime Environments in a specific folder structure as described in the following.

7zip

The packager expects the 7zip executable directly in the 7zip folder of this build directory:

olca-app-build
  - 7zip
    - ...
    - 7za.exe
     - ...

7zip is fast and keeps the file attributes so that the executables work on the specific target platform.

NSIS for Windows installers

To build the Windows installers, we use the NSIS 2.46 framework. The packager expects that there is a nsis-2.46 folder with NSIS located in the build directory:

olca-app-build
  - ...
  - nsis-2.46
    - Bin
    - ...
    - NSIS.exe
    - ...

JRE

We distribute openLCA with a version of the Java runtime environment (JRE). The Java runtimes for the specific platforms need to be located in the jre folder of the build directory:

olca-app-build
  - ...
  - jre
    - win32     # the extracted JRE for windows 32 bit
    - win64     # the extracted JRE for windows 64 bit
    - jre-<version>-linux-x64.tar
    - jre-<version>-maxosx-x64.tar

Note that openLCA currently only correctly works with a JRE 8u101.