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Mandrel Packaging

This repo contains all the necessary scripts and tools to build Mandrel.

Building mandrelJDK locally

export JAVA_HOME=/opt/jvms/openjdk-11.0.8_10
$JAVA_HOME/bin/java -ea build.java --mx-home ~/code/mx --mandrel-repo ~/code/mandrel

where:

This should print something similar to:

INFO [build] Building!
build: Checking SubstrateVM requirements for building ...
build: Checking SubstrateVM requirements for building ...
build: Checking SubstrateVM requirements for building ...
build: Checking SubstrateVM requirements for building ...
INFO [build] Creating JDK!
INFO [build] Congratulations you successfully built Mandrel 20.1.0.1.Final-3-g9abceb5ac7d based on Java 11.0.8+10
INFO [build] You can find your newly built native-image enabled JDK under ./mandrel-java11-20.1.0.1.Final-3-g9abceb5ac7d

More options

Generic

  • --verbose enables verbose logging.
  • --skip-clean skips cleaning before building.
  • --skip-java skips building java bits.
  • --skip-native skips building native bits.
  • --archive-suffix defines the suffix for creating an archive with the new JDK. By default no archive is built. Accepted values are tar.gz and tarxz (slower but with better compresion).
  • --dependencies overrides mx dependencies, e.g., --dependencies id=ASM_7.1,version=7.1.0.redhat-00001,sha1=41bc48bf913569bd001cc132624f811d91004af4,sourceSha1=8c938bc977786f0f3964b394e28f31e726769bac

Mandrel related

  • --mandrel-home sets the path where you want mandrel to be installed, after completion you will be able to use this as JAVA_HOME or/and GRAALVM_HOME in your projects (e.g. quarkus). By default mandrel is built in the current directory and the version-based path gets printed at the end.
  • --mandrel-version defines the version to be shown when running native-image --version (e.g. 20.1.0). Defaults to the result of git describe or git rev-parse --short HEAD in mandrel-repo.

Maven-related

  • --maven-install generates maven artifacts and installs them to the local maven repository.
  • --maven-deploy generates maven artifacts, installs them to the local maven repository and deploys them.
  • --maven-version specifies the version (e.g., 20.1.0.2-0-redhat-00000) to be used in the maven artifacts (required by --maven-install and --maven-deploy).
  • --maven-proxy specifies a maven proxy to use.
  • --maven-repo-id specifies the maven repository ID for deploying maven artifacts. Required by --maven-deploy.
  • --maven-url specifies the maven url for deploying maven artifacts. Required by --maven-deploy.
  • --maven-local-repository specifies the local repository. Defaults to ~/.m2/repository.
  • --maven-home specifies the maven installation path in case one wants to use a different maven version than the one provided by the system.

Building mandrelJDK java parts separately from native parts

If your build infrastructure requires building java parts separately from native parts you can use the following steps.

Step 1: Build the java parts

$JAVA_HOME/bin/java -ea build.java --mx-home ~/code/mx --mandrel-repo ~/code/mandrel --mandrel-home /tmp/java_step --skip-native

Step 2: Build the java parts

/tmp/java_step/bin/java -ea build.java --mx-home ~/code/mx --mandrel-repo ~/code/mandrel --skip-java --skip-clean

After the last step you can delete the intermediate JDK with:

rm -rf /tmp/java_step

Building mandrelJDK on a Mac using a custom build of OpenJDK

Mandrel can be built on a Mac using a custom build of OpenJDK that contains static libraries.

If you want to base Mandrel on a custom JDK, it's important to build the JDK's macOS bundles first, and then extract them into a directory structure that mirrors pre-built JDKs. For example:

$ make bundles
$ cd build/<conf-name>/bundles
$ tar -xzvpf *_bin.tar.gz
$ tar -xzvpf *_bin-static-libs.tar.gz
$ ./<jdk-folder>/Contents/Home/bin/java --version
...
OpenJDK 64-Bit Server VM (...)

Mandrel should then be built setting JAVA_HOME to the macOS-specific java home directory. E.g.

export JAVA_HOME=<path-to-jdk-source>/build/<conf-name>/bundles/<jdk-folder>/Contents/Home
$JAVA_HOME/bin/java -ea build.java --mx-home ~/code/mx --mandrel-repo ~/code/mandrel