Question about building Scala from source

Hi Tony,
You may want to try "ant all.clean" beforehand; I seem to remember seeing
these messages before, and cleaning everything might help.
Toni

Anthony B. Coates (Londata) wrote:
> Quick question, I know this isn't the best list for it, but I know you
> all now so I hoped you might indulge me.
>
> Before I can propose my little patch so that the PrettyPrinter produces
> empty elements when appropriate, I want to get Scala compiled and all of
> the tests running, so I can do the necessary regression testing. I've
> checked the sources out from the Scala subversion trunk, and installed
> 'ant-optional' in Ubuntu. When I run Ant, I get
>
> ----
> tony@ubuntuvm:/usr/src/Scala$ ant
> Buildfile: build.xml
> [echo] Using ANT_OPTS: -Xms512M -Xmx1024M -Xss1M -XX:MaxPermSize=128M
>
> init:
> [exec] Result: 1
> [echo] Build number is '2.8.0.r0-b20091210125950'
> [echo] Built 10 December 2009, 12:59:50 from revision 0 with Java
> HotSpot(TM) 64-Bit Server VM 1.6.0_15
>
> locker.start:
>
> locker.pre-lib:
>
> locker.lib:
>
> locker.pre-comp:
>
> locker.comp:
> [scalacfork] Compiling 166 files to
> /usr/src/Scala/build/locker/classes/compiler
> [scalacfork] error: class file needed by CompileClient is missing.
> [scalacfork] reference type StandardCompileClient of package nsc refers
> to nonexisting symbol.
> [scalacfork] one error found
>
> BUILD FAILED
> java.lang.RuntimeException: Compilation failed because of an internal
> compiler error; see the error output for details.
> at scala.Predef$.error(Predef.scala:74)
> at scala.tools.ant.sabbus.ScalacFork.execute(ScalacFork.scala:105)
> at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
> at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:357)
> at org.apache.tools.ant.Target.performTasks(Target.java:385)
> at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
> at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>
> at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
> at org.apache.tools.ant.Main.runBuild(Main.java:758)
> at org.apache.tools.ant.Main.startAnt(Main.java:217)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
>
> Total time: 12 seconds
> tony@ubuntuvm:/usr/src/Scala$
> ----
>
> Does that issue ring a bell with anyone, or do I need to go straight to
> one of the other Scala lists? Thanks,
>
> Cheers, Tony.

Great, that seems to be the solution! I had tried 'clean' and
'distclean', hadn't spotted 'all.clean'. Thanks, Cheers, Tony.

On Thu, 10 Dec 2009 13:36:15 -0000, Antonio Cunei
wrote:

> Hi Tony,
> You may want to try "ant all.clean" beforehand; I seem to remember
> seeing these messages before, and cleaning everything might help.
> Toni

I've built Scala now and run the tests. 42 tests failed on the trunk.
Does that sound about right? Thanks, Cheers, Tony.

On Thu, 10 Dec 2009 14:12:17 -0000, Anthony B. Coates (Londata)
wrote:

> Great, that seems to be the solution! I had tried 'clean' and
> 'distclean', hadn't spotted 'all.clean'. Thanks, Cheers, Tony.
>
> On Thu, 10 Dec 2009 13:36:15 -0000, Antonio Cunei
> wrote:
>
>> Hi Tony,
>> You may want to try "ant all.clean" beforehand; I seem to remember
>> seeing these messages before, and cleaning everything might help.
>> Toni

On Thu, Dec 10, 2009 at 03:00:31PM -0000, Anthony B. Coates (Londata) wrote:
> I've built Scala now and run the tests. 42 tests failed on the trunk.
> Does that sound about right?

No. 0 is the right number. Sometimes it briefly blips above 0, but 42
means you have a problem.

Thanks. On examining the results, it seems the problem is that I have
JAVA_HOME set to '/usr/lib/jvm/java-6-sun/jre' (and JDK_HOME set to
'/usr/lib/jvm/java-6-sun'). The Scala build appears to expect JAVA_HOME
to be a JDK directory, not a JRE directory.

Cheers, Tony.

On Thu, 10 Dec 2009 15:26:08 -0000, Paul Phillips
wrote:

> On Thu, Dec 10, 2009 at 03:00:31PM -0000, Anthony B. Coates (Londata)
> wrote:
>> I've built Scala now and run the tests. 42 tests failed on the trunk.
>> Does that sound about right?
>
> No. 0 is the right number. Sometimes it briefly blips above 0, but 42
> means you have a problem.