[antlr-interest] Rebuilding Antlr 3.0.1

[Benjamin Niemann]

Hi HJ,

ant needs the antlr plugin, that is for antlr v2, not v3. For Debian 
this is part of the ant-optional package - other distributions might 
have a similar package.

HTH

HJ wrote:
> I am attempting to follow http://www.antlr.org/wiki/pages/viewpage.action?pageId=732 ('How do I rebuild ANTLR v3?').
> 
> There doesn't seem that much to mess up, and yet the build process blows up pretty good.
> 
> $ uname -a
> Linux pos 2.6.22-14-386 #1 Sun Oct 14 22:36:54 GMT 2007 i686 GNU/Linux
> 
> $ java -version
> java version "1.7.0"
> IcedTea Runtime Environment (build 1.7.0-b21)
> IcedTea Client VM (build 1.7.0-b21, mixed mode, sharing)
> 
> $ pwd
> /home/me/antlr31pre/antlr-3.0.1
> 
> $ ant -version
> Apache Ant version 1.7.0 compiled on August 29 2007
> 
> $ ant build
> Buildfile: build.xml
> 
> generator-prepare:
> 
> generator:
> 
> BUILD FAILED
> /home/me/antlr31pre/antlr-3.0.1/build.xml:102: The following error occurred while executing this line:
> /home/me/antlr31pre/antlr-3.0.1/build.xml:55: Problem: failed to create task or type antlr
> Cause: the class org.apache.tools.ant.taskdefs.optional.ANTLR was not found.
>         This looks like one of Ant's optional components.
> Action: Check that the appropriate optional JAR exists in
>         -/usr/share/ant/lib
>         -/home/me/.ant/lib
>         -a directory added on the command line with the -lib argument
> 
> Do not panic, this is a common problem.
> The commonest cause is a missing JAR.
> 
> This is not a bug; it is a configuration problem
> 
> 
> Total time: 0 seconds
> 
> 
> 
> I have also tried ant with a flurry of -lib definitions using absolute paths down into the 'antlr-3.0.1/lib' directory which yields the same error.
> 
> I've cd'd to 'src' and I've tried the manual javac method as described by the wiki, but javac -classpath N -d . ....., where N is an absolute path to 'antlr-3.0.1/lib' or a colon-separated list of absolute-path .jar files beneath 'antlr-3.0.1/lib', still yields bad results -- where javac seems to be complaining about no org.antlr package or no stringtemplate package; I can't really tell.
> 
> Surely I'm missing something simple?
> 
> ~HJ
>