compile-jruby:
    [javac] Compiling 760 source files to /Users/djberge/jruby/build/classes/jruby
    [javac] /Users/djberge/jruby/src/org/jruby/RubyRegexp.java:278: cannot find symbol
    [javac] symbol  : method getUserOptions()
    [javac] location: class org.joni.Regex
    [javac]             ((pat.getUserOptions() & REGEX_QUOTED) != 0) == quote) { // cache hit
    [javac]                  ^
    [javac] /Users/djberge/jruby/src/org/jruby/RubyRegexp.java:283: cannot find symbol
    [javac] symbol  : method setUserOptions(int)
    [javac] location: class org.joni.Regex
    [javac]             if (quote) pattern.setUserOptions(REGEX_QUOTED);
    [javac]                               ^
    [javac] Note: Some input files use unchecked or unsafe operations.
    [javac] Note: Recompile with -Xlint:unchecked for details.
    [javac] 2 errors

BUILD FAILED
/Users/djberge/jruby/build.xml:268: The following error occurred while executing this line:
/Users/djberge/jruby/build.xml:172: The following error occurred while executing this line:
/Users/djberge/jruby/build.xml:136: Compile failed; see the compiler error output for details.