JNA build on Linux local Virtual Machine

[Deepali Gadiyar]

Hi, i'm new to java programming and recently i've been asked to incorporate JNA in one of the projects that I'm working. So i just wanted to know how to do the build and other process from scratch. As of now, i've cloned the repository into my VM. Any assistance would be really helpful. Thanks in advance :)

[Tres Finocchiaro]

Hi,

Instructions for building are available here: 

https://github.com/java-native-access/jna/blob/master/www/Contributing.md

If you need to cross-compile, I believe the wiki will need to be updated.

- Tres.Fin...@gmail.com

On Tue, Jun 20, 2023 at 12:53 PM Deepali Gadiyar <deepali...@gmail.com> wrote:

Hi, i'm new to java programming and recently i've been asked to incorporate JNA in one of the projects that I'm working. So i just wanted to know how to do the build and other process from scratch. As of now, i've cloned the repository into my VM. Any assistance would be really helpful. Thanks in advance :)

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[Deepali Gadiyar]

Thank you for the guidance. Although, I got an error at the end while building the project:
BUILD FAILED
/home/deepali/jniautogen/jna/build.xml:1432: The following error occurred while executing this line:
/home/deepali/jniautogen/jna/contrib/platform/build.xml:294: Problem: failed to create task or type junit
Cause: the class org.apache.tools.ant.taskdefs.optional.junit.JUnitTask was not found.
        This looks like one of Ant's optional components.
Action: Check that the appropriate optional JAR exists in
        -/usr/share/ant/lib
        -/home/deepali/.ant/lib
        -a directory added on the command line with the -lib argument

Do not panic, this is a common problem.
The commonest cause is a missing JAR.

This is not a bug; it is a configuration problem
Any ways that i can fix this? Thanks in advance!!

[Matthias Bläsing]

Hi,

Am Mittwoch, dem 21.06.2023 um 01:18 -0700 schrieb Deepali Gadiyar:
> Thank you for the guidance. Although, I got an error at the end while
> building the project:
> BUILD FAILED
> /home/deepali/jniautogen/jna/build.xml:1432: The following error
> occurred while executing this line:
> /home/deepali/jniautogen/jna/contrib/platform/build.xml:294: Problem:
> failed to create task or type junit
> Cause: the class
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTask was not found.
>         This looks like one of Ant's optional components.
>
>

> This is not a bug; it is a configuration problem
> Any ways that i can fix this? Thanks in advance!!

in the past this was caused by linux distributions only including a
subset of ant (or the user not installing all required packages).

Grab ant from https://ant.apache.org/ and use that.

Greetings

Matthias