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name: Mandrel-Quarkus tests | ||
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on: | ||
push: | ||
paths-ignore: | ||
- '.github/workflows/main.yml' | ||
- '.github/workflows/quarkus.yml' | ||
- '**.md' | ||
pull_request: | ||
paths-ignore: | ||
- '.github/workflows/main.yml' | ||
- '.github/workflows/quarkus.yml' | ||
- '**.md' | ||
workflow_dispatch: | ||
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# The following aims to reduce CI CPU cycles by: | ||
# 1. Cancelling any previous builds of this PR when pushing new changes to it | ||
# 2. Cancelling any previous builds of a branch when pushing new changes to it in a fork | ||
# 3. Cancelling any pending builds, but not active ones, when pushing to a branch in the main | ||
# repository. This prevents us from constantly cancelling CI runs, while being able to skip | ||
# intermediate builds. E.g., if we perform two pushes the first one will start a CI job and | ||
# the second one will add another one to the queue; if we perform a third push while the | ||
# first CI job is still running the previously queued CI job (for the second push) will be | ||
# cancelled and a new CI job will be queued for the latest (third) push. | ||
concurrency: | ||
group: "workflow = ${{ github.workflow }}, ref = ${{ github.event.ref }}, pr = ${{ github.event.pull_request.id }}" | ||
cancel-in-progress: ${{ github.event_name == 'pull_request' || github.repository != 'graalvm/mandrel' }} | ||
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jobs: | ||
q-main-ea: | ||
name: "Q main M 23.1 EA" | ||
uses: graalvm/mandrel/.github/workflows/base.yml@default | ||
with: | ||
quarkus-version: "main" | ||
repo: ${{ github.repository }} | ||
version: ${{ github.ref }} | ||
mandrel-packaging-version: "23.1" | ||
jdk: "21/ea" | ||
q-main-ea-win: | ||
name: "Q main M 23.1 windows EA" | ||
uses: graalvm/mandrel/.github/workflows/base-windows.yml@default | ||
with: | ||
quarkus-version: "main" | ||
repo: ${{ github.repository }} | ||
version: ${{ github.ref }} | ||
mandrel-packaging-version: "23.1" | ||
jdk: "21/ea" |
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# Mandrel | ||
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Mandrel is [a downstream distribution of the GraalVM community edition](https://developers.redhat.com/blog/2020/06/05/mandrel-a-community-distribution-of-graalvm-for-the-red-hat-build-of-quarkus/). | ||
Mandrel's main goal is to provide a `native-image` release specifically to support [Quarkus](https://quarkus.io). | ||
The aim is to align the `native-image` capabilities from GraalVM with OpenJDK and Red Hat Enterprise Linux libraries to improve maintainability for native Quarkus applications. | ||
Mandrel can best be described as a distribution of a regular OpenJDK with a specially packaged GraalVM Native Image builder (`native-image`). | ||
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## How Does Mandrel Differ From Graal | ||
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Mandrel releases are built from a code base derived from the upstream GraalVM code base, with only minor changes but some significant exclusions. | ||
A full distribution of GraalVM is much more than `native-image`: it has polyglot support, the Truffle framework which allows for efficient implementation of interpreters, an LLVM compiler back end for native image, the libgraal JIT compiler as a replacement for Hotspot’s C2 server compiler and much more. | ||
Mandrel is the small subset of that functionality we support for the `native-image` use-case. | ||
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Mandrel's `native-image` also doesn't include the following features: | ||
* The experimental image-build server, i.e., the `--experimental-build-server` option. | ||
* The LLVM backend, i.e., the `-H:CompilerBackend=llvm` option. | ||
* The musl libc implementation, i.e., the `--libc=musl` option. | ||
* Support for generating static native images, i.e., the `--static` option. | ||
* Support for non JVM-based languages and polyglot, i.e., the `--language:<languageId>` option. | ||
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Mandrel is also built slightly differently to GraalVM, using the standard OpenJDK project release of jdk17u and jdk20. | ||
This means it does not profit from a few small enhancements that Oracle have added to the version of OpenJDK used to build their own GraalVM downloads. | ||
Most of these enhancements are to the JVMCI module that allows the Graal compiler to be run inside OpenJDK. | ||
The others are small cosmetic changes to behaviour. | ||
These enhancements may in some cases cause minor differences in the progress of native image generation. | ||
They should not cause the resulting images themselves to execute in a noticeably different manner. | ||
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## Communication Channels | ||
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* [Slack](https://www.graalvm.org/slack-invitation) - Join `#mandrel` channel at graalvm's slack workspace | ||
* [graalvm-dev@oss.oracle.com](mailto:graalvm-dev@oss.oracle.com?subject=[MANDREL]) mailing list - Subscribe [here](https://oss.oracle.com/mailman/listinfo/graalvm-dev) | ||
* [GitHub issues](https://github.com/graalvm/mandrel/issues) for bug reports, questions, or requests for enhancements. | ||
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Please report security vulnerabilities according to the [Reporting Vulnerabilities guide](https://www.oracle.com/corporate/security-practices/assurance/vulnerability/reporting.html). | ||
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## Getting Started | ||
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Mandrel distributions can be downloaded from [the repository's releases](https://github.com/graalvm/mandrel/releases) | ||
and container images are available at [quay.io](https://quay.io/repository/quarkus/ubi-quarkus-mandrel-builder-image?tag=latest&tab=tags). | ||
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### Prerequisites | ||
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Mandrel's `native-image` depends on the following packages: | ||
* freetype-devel | ||
* gcc | ||
* glibc-devel | ||
* libstdc++-static | ||
* zlib-devel | ||
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On Fedora/CentOS/RHEL they can be installed with: | ||
```bash | ||
dnf install glibc-devel zlib-devel gcc freetype-devel libstdc++-static | ||
``` | ||
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**Note**: The package might be called `glibc-static` or `libstdc++-devel` instead of `libstdc++-static` depending on your system. | ||
If the system is missing stdc++, `gcc-c++` package is needed too. | ||
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On Ubuntu-like systems with: | ||
```bash | ||
apt install g++ zlib1g-dev libfreetype6-dev | ||
``` | ||
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## Building Mandrel From Source | ||
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For building Mandrel from source please see [mandrel-packaging](https://github.com/graalvm/mandrel-packaging) | ||
and consult [Repository Structure in CONTRIBUTING.md](CONTRIBUTING.md#repository-structure) regarding which branch of Mandrel to use. | ||
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# Community | ||
Empowering Software Development with Works on Arm Initiative | ||
![Works on Arm logo](img/works_on_arm_900x77.png) | ||
[Works on Arm](https://www.arm.com/solutions/infrastructure/works-on-arm) is a strategic initiative to enable and accelerate the | ||
software ecosystem for Arm64. | ||
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[GraalVM's](https://www.graalvm.org/) [Mandrel](https://github.com/graalvm/mandrel) distribution that | ||
powers [Quarkus Native](https://quarkus.io/guides/building-native-image) proudly counts itself among the libraries and | ||
tools that successfully leveraged the resources from Works on Arm. |
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