Update README file for java-25-openjdk

Related: RHEL-100678
This commit is contained in:
Andrew Hughes 2025-08-26 00:34:56 +01:00
parent 6786084c7e
commit 6ab5f97765
2 changed files with 16 additions and 15 deletions

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OpenJDK 21 is the latest Long-Term Support (LTS) release of the Java platform. OpenJDK 25 is the latest Long-Term Support (LTS) release of the Java platform.
For a list of major changes from OpenJDK 17 (java-17-openjdk), see the upstream For a list of major changes from OpenJDK 21 (java-21-openjdk), see the upstream
release page for OpenJDK 21 and the preceding interim releases: release page for OpenJDK 25 and the preceding interim releases:
* 18: https://openjdk.java.net/projects/jdk/18/ * 22: https://openjdk.java.net/projects/jdk/22/
* 19: https://openjdk.java.net/projects/jdk/19/ * 23: https://openjdk.java.net/projects/jdk/23/
* 20: https://openjdk.java.net/projects/jdk/20/ * 24: https://openjdk.java.net/projects/jdk/24/
* 21: https://openjdk.java.net/projects/jdk/21/ * 25: https://openjdk.java.net/projects/jdk/25/
# Rebuilding the OpenJDK package # Rebuilding the OpenJDK package
@ -18,21 +18,21 @@ multiple builds which only differ by the platform they were built on.
This does make rebuilding the package slightly more complicated than a This does make rebuilding the package slightly more complicated than a
normal package. Modifications should be made to the normal package. Modifications should be made to the
`java-21-openjdk-portable.specfile` file, which can be found with this `java-25-openjdk-portable.specfile` file, which can be found with this
README file in the source RPM or installed in the documentation tree README file in the source RPM or installed in the documentation tree
by the `java-21-openjdk-headless` RPM. by the `java-25-openjdk-headless` RPM.
Once the modified `java-21-openjdk-portable` RPMs are built, they Once the modified `java-25-openjdk-portable` RPMs are built, they
should be installed and will produce a number of tarballs in the should be installed and will produce a number of tarballs in the
`/usr/lib/jvm` directory. The `java-21-openjdk` RPMs can then be `/usr/lib/jvm` directory. The `java-25-openjdk` RPMs can then be
built, which will use these tarballs to create the usual RPMs found in built, which will use these tarballs to create the usual RPMs found in
RHEL. The `java-21-openjdk-portable` RPMs can be uninstalled once the RHEL. The `java-25-openjdk-portable` RPMs can be uninstalled once the
desired final RPMs are produced. desired final RPMs are produced.
Note that the `java-21-openjdk.spec` file has a hard requirement on Note that the `java-25-openjdk.spec` file has a hard requirement on
the exact version of java-21-openjdk-portable to use, so this will the exact version of java-25-openjdk-portable to use, so this will
need to be modified if the version or rpmrelease values are changed in need to be modified if the version or rpmrelease values are changed in
`java-21-openjdk-portable.specfile`. `java-25-openjdk-portable.specfile`.
To reduce the number of RPMs involved, the `fastdebug` and `slowdebug` To reduce the number of RPMs involved, the `fastdebug` and `slowdebug`
builds may be disabled using `--without fastdebug` and `--without builds may be disabled using `--without fastdebug` and `--without

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- Create java-25-openjdk package based on java-21-openjdk - Create java-25-openjdk package based on java-21-openjdk
- Introduce fakefeaturever to pretend we are java-25-openjdk ahead of time - Introduce fakefeaturever to pretend we are java-25-openjdk ahead of time
- Sync the copy of the portable specfile with the latest update - Sync the copy of the portable specfile with the latest update
- Update README file for java-25-openjdk
- Related: RHEL-100678 - Related: RHEL-100678
* Thu Jul 10 2025 Andrew Hughes <gnu.andrew@redhat.com> - 1:21.0.8.0.9-1 * Thu Jul 10 2025 Andrew Hughes <gnu.andrew@redhat.com> - 1:21.0.8.0.9-1