On Sun, 12 Aug 2012, Lawrence Paulson wrote:

System/command_line.scala:29: error: not found: value sys
   sys.exit(rc)
   ^
System/isabelle_system.scala:53: error: not found: value sys
       val env0 = sys.env + ("ISABELLE_JDK_HOME" -> 
standard_system.this_jdk_home())
                  ^
System/gui_setup.scala:65: error: not found: value sys
     case ButtonClicked(`ok`) => sys.exit(0)
                                 ^
System/main.scala:28: error: not found: value sys
   sys.exit(rc)
   ^
four errors found
Failed to compile sources
~/isabelle/Repos/src/HOL: hg id
fd50596bf78b tip

That is a recent repository clone, but your contrib components seems to be older than the last stable Isabelle release, which has scala-2.9.2 and this is also required here.

To make it easier to follow ongoing repository development wrt. contrib components, Admin/components has acquired an official status in the past few months.

At the end of README_REPOSITORY I have tried to summarize the state of affairs with sliding update of Isabelle components, although I would like to simplify that further.


        Makarius

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