[ http://issues.apache.org/jira/browse/DERBY-73?page=all ]
Andrew McIntyre updated DERBY-73:
---------------------------------
Attachment: javacc40.diff
Patch with necessary changes for building with JavaCC 4.0.
OPTIMIZE_TOKEN_MANAGER is no longer a supported option, and the generated code
for mtGrammar includes a catch block for RuntimeException which uses a new
method in RuntimeException introduced in JDK 1.4, so it became necessary to
move the compilation of mtGrammar.java into the impl_tools_jdk14 target.
> 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, javacc40.diff
>
> 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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