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From "Andrew McIntyre (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-73) Ability to compile under JDK1.5
Date Fri, 24 Feb 2006 01:34:38 GMT
    [ http://issues.apache.org/jira/browse/DERBY-73?page=comments#action_12367617 ] 

Andrew McIntyre commented on DERBY-73:
--------------------------------------

JavaCC 3.2 has an issue with lookahead that causes a failure in the test lang/db2compatibility.sql.

However, I have tried the recently released JavaCC 4.0, and it fixes that issue and all tests
passed cleanly, so at some point we will likely upgrade to that version.

> Ability to compile under JDK1.5
> -------------------------------
>
>          Key: DERBY-73
>          URL: http://issues.apache.org/jira/browse/DERBY-73
>      Project: Derby
>         Type: Improvement
>   Components: Build tools
>     Reporter: Jeremy Boynes
>  Attachments: derby_jdk15_build.patch, derby_jdk15_build2.patch
>
> Compilation fails when using JDK1.5 due to
> 1) no specification of language level
> 2) use of "enum" as identifier
> The language issue results in the use of the new StringBuilder class for string concatenation
resulting in code that will not run on earlier JVMs.
> Dropping the langauge level will allow it to compile but warnings are generated due to
the use of "enum" as an identifier; with 1.5 this becomes a reserved word

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