Updated/fixed the following two Scala Ant tasks:

scalac (ant.Scalac)

- added attributes `dependencyfile`, `explaintypes`, `nobootcp`,
`nowarn` and `usejavacp`

- added support for nested element `compilerarg` (see Ant manual) in
order to pass prefix settings (eg. -J-Xbootclasspath, -Ddebug=true) to
nsc.CompileClient

- updated list of permissible values for compiler phases

fsc (ant.FastScalac)

- added attributes `ip4` and `maxIdle` in addition to `reset`, `server`
and `shutdown` (and forwards them to nsc.CompileClient)

- also forwards prefix settings `jvmargs` and `defines`, and boolean
settings `explaintypes`, `nospecialization`, `nowarn`, `optimise`,
`unchecked` and `usejavacp` to nsc.CompileClient

- fixed CompileClient.process if-test

Nota Bene

I added the following element to partest.PartestTask (commit is pending)
in order to automatically test the Scala Ant tasks:

<anttests dir="${partest.dir}/${partest.srcdir}/ant" includes="*build.xml"/>

Here is the output:

[user@localhost scala]$ ant test.ant
Buildfile: /home/user/workspace/scala/build.xml
     [echo] Forking with JVM opts: -Xms1536M [...] 

init:
     [echo] Build number is '2.10.0.r26022-b20111116212958'
     [echo] Built 16 November 2011, 21:29:58 [...]
[...]
test.ant:
  [partest] Running ant task tests
  [partest] testing: [...]/files/ant/fsc-build.xml                                [  OK  ]
  [partest] testing: [...]/files/ant/scaladoc-build.xml                           [  OK  ]
  [partest] testing: [...]/files/ant/scalac-build.xml                             [  OK  ]
  [partest] Test suite finished with no failures.

BUILD SUCCESSFUL
Total time: 12 seconds

0 files changed, 0 insertions, 0 deletions