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Date: Fri, 27 Oct 2006 09:39:27 -0700
From: "David Jones" <jonesd3@gmail.com>
To: "Ant Users List" <user@ant.apache.org>
Subject: Re: Using Ant with older Java versions
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I believe that the -source and -target parameters are specific to java 1.5.
If you are using the 1.3 compiler, you don't need to try to ensure
compatibility with 1.3, its automatic.

On 10/25/06, Antoine Levy-Lambert <antoine@gmx.de> wrote:
>
> Hello Wayne,
> you need to set both executable and fork="true"
> Regards,
> Antoine
>
> Wayne Cannon wrote:
> > True, it's just a warning, however, I've found that if you don't
> > eliminate 100% of the warnings (and not just by suppressing warnings),
> > meaningful warnings are missed that should result in code changes.
> >
> > I suspect "executable" is what I'm looking for, but when I set it to
> > the Java 1.3.1_18 JDK, it begins to complain that "-source" is an
> > invalid command line parameter -- as though my <javac> task is not
> > compatible with Java 1.3.  I'll look into it more tomorrow.
> >
> > Thanks to all,
> > --Wayne
> >
> >
> > Scot P. Floess wrote:
> >> I think its just a warning...not that it doesn't compile.  I tried it
> >> on my machine (which has JDK 1.5.0_08 installed) and it did compile...
> >>
> >> David Jones wrote:
> >>> Hi,
> >>>
> >>> Source and target define what compatibility to use, not which JDK is
> >>> being
> >>> used. So 1.5 probably just will not allow that to compile. However,
> you
> >>> could tell it to use a different JDK (1.3), using the executable
> >>> option, and
> >>> then it would actually be compiling with that version of java.
> >>>
> >>> That would be my suggestion, rather than trying to for 1.5 to work
> >>> with your
> >>> 1.3 code.
> >>>
> >>> __David
> >>>
> >>>  -source <release>          Provide source compatibility with
> >>> specified release
> >>>  -target <release>          Generate class files for specific VM
> >>> version
> >>>
> >>>         executable="/opt/java/jdk1.1/bin/javac"
> >>>>
> >>>> On 10/25/06, Wayne Cannon <wcannon@turinnetworks.com> wrote:
> >>>>
> >>>> I'm attempting to convert a Java 1.3project to Ant that has an
> >>>> attribute
> >>>> named "enum" (Java 1.3 did not have an Enum class) -- "Enumeration
> >>>> enum;".  ...
> >>
>
>
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