openjdk team mailing list archive

[Reiner Herrmann <reiner@xxxxxxxxxxx>]

Source: openjdk-8
Version: 8u45-b14-1
Severity: wishlist
User: reproducible-builds@xxxxxxxxxxxxxxxxxxxxxxx
Usertags: toolchain
X-Debbugs-CC: reproducible-builds@xxxxxxxxxxxxxxxxxxxxxxx

Hi!

While working on Debian's “reproducible builds” effort [1], we have
noticed that a lot of java packages are using javadoc, which includes
a timestamp in the generated documentation by default.

To make a lot of those packages reproducible, we currently have a workaround
in strip-nondeterminism, which removes those timestamps again.
But our long-term goal is to get rid of such workarounds and solve the
problems at the root.

javadoc has a -notimestamp option, which can already prevent the embedding
of those timestamps, but not every package is making use of this (directly
or indirectly by using a helper like javahelper).

It would be awesome if the default behavior of javadoc could be changed to
never embed timestamps unless explicitely requested.

Regards,
 Reiner

[1]: https://wiki.debian.org/ReproducibleBuilds

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