Bugzilla Bug 177925

Tracking all bugs that are about revdep-rebuild and binary JRE/JDKs. If you
know of any that I missed, please add.

I think we have two options:

a) remove the "broken linking" libraries from the JDK/JRE if respective USE
flag is not set.
b) install revdep-rebuild control file with SEARCH_DIRS_MASK excluding the
whole JDK/JRE directory.

I think b) is the right solution. Users trying to use the features without
dependencies installed will get breakage in any way. Maybe I'm wrong but I
think there's even more chance of breakage with the JDK/JRE library missing.
Also if you see http://download.java.net/dlj/jdk/README.html#contents there are
specified optional components that we don't need to install, and these
libraries are not there, so removing them is probably violating the DLJ.

The solution doesn't need revbump, if someone's revdep-rebuild reinstalls a
JDK/JRE, it gets the control file and won't be reinstalled no more.

Of course openjdk will probably be solved more elegantly.

So, on IRC we basically agreed on the b) solution with Betelgeuse. Needs
java-vm-2.eclass additions:

- function for installing the control file
- function that processes USE vs IUSE for known stuff (X, alsa, odbc?, lpr?)
and warns about the risk of missing deps, as sun-jdk does for X and lpr
currently.

It's also good chance to re-evaluate what exactly is needed. For example
jrockit-jdk-bin has nothing in RDEPEND.

(In reply to comment #1)
> - function for installing the control file

added java-vm_revdep-mask() function 

> - function that processes USE vs IUSE for known stuff (X, alsa, odbc?, lpr?)
> and warns about the risk of missing deps, as sun-jdk does for X and lpr
> currently.

Not done, because IUSE is not affected by package.use.mask and thus it's
impossible to tell if use flag that's in IUSE but not true in 'use $flag' is
disabled by the user or masked on given arch. Went with a generic warning that
people should check their flags in the revdep-mask function.

> It's also good chance to re-evaluate what exactly is needed. For example
> jrockit-jdk-bin has nothing in RDEPEND.

Done in Sun, IBM, Blackdown JDK/JRE so far. Jrockit left, perhaps the emul
stuff too.

*** Bug 119219 has been marked as a duplicate of this bug. ***

Jrockit and emul-linux done, closing.