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Content of source package
=========================
"openjdk-XX" is a composite source package:
- OpenJDK source tarball:
https://github/openjdk/jdk<version>u
- Google test source tarball
https://github.com/google/googletest
- Debian packaging scripts and patches.
Building a new OpenJDK-XX Debian package
===================================================
1. Update version in d/changelog
2. Update git_tag variable in d/rules
3. Execute make -f debian/rules get-orig
3a. Use watch file (uscan or uscan --download-current-version)
as an alternative to generate the source tarball.
4. Validate the build by building the package, installing it
and building again against the newly build package.
Switching between early access and release builds
===================================================
1. Update version in d/changelog
2. Update is_upstream_release to 'yes' for release builds
3. Regenerate d/watch:
make -f debian/rules debian/watch
Performing a backport
===================================================
1. Update version in d/changelog.
2. Unpack source tarballs
2. Regenerate packaging files for the appropriate version in
a chroot, e.g.,
schroot -c trixie-amd64
make -f debian/rules debian/control gen-autopkgtests
3. Validate the build by building the package, installing it
and building again against the newly build package.
Support for DEB_BUILD_OPTIONS
=============================
The current package's debian/rules support
the standardized environment variable DEB_BUILD_OPTIONS. This variable can
contain several flags to change how a package is compiled and built.
* nocheck: don't run jtreg test suites.
* nodocs: skip javadoc generation
* nostrip: debugging symbols should not be stripped from the
binary during installation
* parallel=X: package should be built using up to X parallel processes
* nobootcycle: do not use OpenJDK bootcycle build, build the package
against boot OpenJDK
* noaltzero: don't build alternative Zero VM.
* terse: reduce build output.
Sample usage:
DEB_BUILD_OPTIONS="parallel=5 nocheck" dpkg-buildpackage -b"
Build with 5 parallel processes and don't run jtreg test suites.
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