[antlr-interest] building antlr 3.1b1

Johannes Luber JALuber at gmx.de
Fri May 23 05:04:10 PDT 2008


> Hamilton Link wrote:
> > I do have ANT 1.7 and JDK 1.6 installed but when I tried to
> > "ant build" the 3.1b1 distribution I got a mess of errors.
> 
> OK, I can build 3.1b1 from the distro now.  For those of you who are 
> Java-illiterate like me, let me briefly clarify a few things:
> 
> - In general when compiling java stuff you want to pass javac a 
> -classpath argument enumerating the jar files of interest, don't set a 
> CLASSPATH variable for your entire shell (usually).

Another possibility is to put the jars into the lib directory of the root of the decompressed distribution. No handling with CLASSPATH is then necessary.

Johannes
> 
> - If you're building it under Mac OS X or *nix, your classpath separator 
> character is ':' and under windows it is ';' --- and annoyingly, using a 
> ';' under OS X doesn't error out, it just... ignores the classpath 
> you're providing, so you get "package so.and.so does not exist" errors 
> for stuff you thought you pointed to.
> 
> - Less obviously, to build antlr 3.1b1, you need one jar beyond what
> http://www.antlr.org/wiki/pages/viewpage.action?pageId=732
> says (and note the comment added one beyond what the original page 
> had).  Your classpath must include the following four jar files:
> 
> ${ANTLRLIB}/antlr-2.7.7.jar
> ${ANTLRLIB}/stringtemplate-3.1.jar
> ${ANTLRLIB}/junit-4.4.jar
> ${ANTLRLIB}/antlr-runtime-3.1b1.jar
> 
> - And no, junit-4.4.jar is not provided in the distribution, you need to 
> get it from sourceforge.  gunit's not the same thing (as it turns out).
> 
> - And there's no such thing as org/antlr/*/*/*.java in the distribution 
> (presumably because we're provided the jar files instead), so I am 
> setting an ANTLR_CP variable to the above list and compiling with the 
> following command within antlr-3.1b1/src:
> 
> javac -verbose -classpath ${ANTLR_CP} -d . org/antlr/Tool.java 
> org/antlr/*/*.java
> 
> 
> Now that I can do this much, we'll see if I can rebuild targets, .net 
> runtime assemblies, or the jar files provided in antlr-3.1b1/lib.  I am 
> guessing not, as there appears to be code to these jar files that 
> doesn't come with the snapshots.  Perhaps someone in the know can 
> clarify what having the snapshots (vs. the exhaustive sources) does and 
> does not let us build from scratch?
> 
> I think, also, that it would be friendly if someone could go and update 
> the "how to rebuild antlr" web page at 
> http://www.antlr.org/wiki/pages/viewpage.action?pageId=732  ... it's not 
> hugely out of date but it is a little bit out of date, and it would be 
> nice if that page made it clear what you are rebuilding and what you 
> can't rebuild without additional code not provided in the snapshots.
> 
> thanks,
> h
> 

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