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https://github.com/lucimber/meta-openjdk-temurin

This is a software layer for Java VMs, for use with OpenEmbedded and Yocto Project build systems. The binaries are provided by the Eclipse Temurin Project.
https://github.com/lucimber/meta-openjdk-temurin

eclipse java jvm openembedded openjdk temurin yocto

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This is a software layer for Java VMs, for use with OpenEmbedded and Yocto Project build systems. The binaries are provided by the Eclipse Temurin Project.

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README 

        
# README

This layer provides support for the JVMs of the Eclipse Temurin Project for use with

OpenEmbedded and/or Yocto Project build systems. 



## Why prebuilt binaries?

The process of building a JVM binary takes a long time and maintaining it

(e.g. applying patches and testing it) is a lot of work.

The [Eclipse Temurin Project](https://projects.eclipse.org/projects/adoptium.temurin) makes sure that the produced binaries pass

the relevant Oracle Java Compatibility Kit (JCK), to demonstrate

that the binaries are compatible implementations of the Java specification.



## Dependencies

* git://git.openembedded.org/openembedded-core

* git://git.openembedded.org/bitbake



If you're using the Yocto Project's reference distribution called Poky,

then you're already set up. Just add this layer to your build configuration.

Please remember to use a branch that is matching with the Codename of your build.

See https://wiki.yoctoproject.org/wiki/Releases for Codenames.



## Supported Codenames

Each codename of OE/Yocto, that is supported by this layer, has a corresponding branch in this repository.

See https://wiki.yoctoproject.org/wiki/Releases for a comprehensive list of Codenames.



## Supported Versions

| JVM / Architecture | arm | aarch64 | riscv64 | x64 | x86 |

|--------------------|-----|---------|---------|-----|-----|

| JRE 8              | ✅  | ✅      | ❌      | ✅  | ❌  |

| JRE 11             | ✅  | ✅      | ❌      | ✅  | ❌  |

| JRE 17             | ✅  | ✅      | ✅      | ✅  | ❌  |

| JRE 21             | ❌  | ✅      | ✅      | ✅  | ❌  |



## Adding the meta-openjdk-temurin layer to your build

* Run 'git clone -b name-of-branch https://github.com/lucimber/meta-openjdk-temurin.git'

* Run 'bitbake-layers add-layer meta-openjdk-temurin'



## Participation

Participation is welcome and endorsed by the chosen license

and a simplified contributor agreement.



### Patches

Please submit any patches against the meta-openjdk-temurin layer via pull requests

on [the project page on GitHub](https://github.com/lucimber/meta-openjdk-temurin).



### Contributor Agreement

As the chosen open source license implicitly serves

as both the inbound (from contributors) and

outbound (to other contributors and users) license,

there's no need for an additional contributor agreement.



But to be super safe, this project requires developers

to state that each commit they make is authorized.

A Developer Certificate of Origin requirement is how many

projects achieve this.



> By making a contribution to this project, I certify that:

> 

> a. The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or

>

> b. The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or

>

> c. The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it.

>

> d. I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved.



Therefore the contributors to this project sign-off that

they adhere to these requirements by adding

a Signed-off-by line to commit messages.



    This is an example commit message.

    

    Signed-off-by: Peter Peterson 



## Trademarks

Eclipse Temurin is a trademark of the Eclipse Foundation. Eclipse, and the

Eclipse Logo are registered trademarks of the Eclipse Foundation.



Java and all Java-based trademarks are trademarks of Oracle Corporation in

the United States, other countries, or both.



## License

meta-openjdk-temurin - A software layer as defined by the Yocto Project Layer Model.



Copyright (C) 2023  Lucimber UG



This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.



This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.



You should have received a copy of the GNU General Public License along

with this program; if not, write to the Free Software Foundation, Inc.,

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.