Build broken on Mac

[Ben Evans]

Hi,

Latest head appears to be broken on Mac 10.7 - I get this crash with
both Oracle JDK 7u11& my last successful OpenJDK 8 as boot JDKs:

Any ideas / what information would be helpful in diagnosing the cause
of the build crash?

Thanks,

Ben

## Starting jdk
Importing CORBA classes.jar
Importing CORBA src.zip
Importing CORBA bin.zip
Importing JAXP classes.jar
Importing JAXP src.zip
Importing JAXWS classes.jar
Importing JAXWS src.zip
Importing LANGTOOLS src.zip
Importing LANGTOOLS classes.jar
Compiling 182 files for BUILD_TOOLS
Generating charsetmapping classes
no main manifest attribute, in
/Users/boxcat/projects/lambda/build/macosx-x86_64-normal-server-release/langtools/dist/bootstrap/lib/javac.jar
Generating buffer classes
Generating exceptions classes
make[2]: *** [/Users/boxcat/projects/lambda/build/macosx-x86_64-normal-server-release/jdk/btclasses/_the.batch]
Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [gensrc-only] Error 2
make: *** [jdk-only] Error 2