Yikes. That strikes me as truly scary and assumes that everyone is
running Sun compilers/JVMs. Am I misunderstanding something?
Regards,
Alan
Carlos Sanchez wrote:
I think we should add the rt.jar and tools.jar to the repo as any
other dependency, to allow building with 1.5 against 1.4 rt.jar. Of
course we'll hit again the Sun policy about redistribution and people
would have to put it by hand in their repos.
On 7/7/06, Kenney Westerhof <[EMAIL PROTECTED]> wrote:
On Fri, 7 Jul 2006, [ISO-8859-1] Trygve Laugstøl wrote:
> Uhm, no. All you have to do to be 100% that it works in a 1.4
> environment is to fork the compiler. AFAIK the Eclipse compiler should
> also be able to build 1.4 code safely against the 1.4 rt.jar
>
> Still this really won't change the current situation as you have the
> same issue today if you build against 1.2 or 1.3. Or 1.4 with a 1.5
JDK
> which I'm sure many people do.
The -target and -source only checks the current sources, unfortunately.
The compiler should ideally also check if the imported classes have the
correct format (< 48 or something), and it should check the @since
javadoc tags in the API to warn against usage of unavailable
classes/methods in the target environment.
Frankly, the -target and -source compiler options are quite useless.
So yes, the only way to be sure is to fork the correct jdk.
But I don't see a problem in having a jdk for maven itself and one
for the
target environment. They should be split up anyway. The only problem is
that both the compilers and the plugins need to know this (surefire
for instance, or possibly class-enhancing plugins etc.).
Seems like a lot of work to get this perfect.
Too bad, I really want to switch to Java 5 for Maven (especially for the
generics and annotations!)
And yes, java 5 plugins work like a charm. Haven't tried enumerations
yet,
though.
-- Kenney
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