[gentoo-java] Ant 1.7

[gentoo-java] Ant 1.7

[Alistair Bush]

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Im guessing that the gentoo developers are familar with this but I only just
found it this out so.....

Ant 1.7 allows the declaration of system variables 'ant.build.javac.source'
and 'ant.build.javac.target' that will be used as defaults for javac and
javadoc tags.

What will be the impact of this feature on our present build system?

Are we planning eventually to scrap our build.xml rewriting or even rewrite
build.xml files to remove -source , -target attributes?

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Re: [gentoo-java] Ant 1.7

[Joshua Nichols]

Alistair Bush wrote:
> Im guessing that the gentoo developers are familar with this but I 
> only just found it this out so.....
>
> Ant 1.7 allows the declaration of system variables 
> 'ant.build.javac.source' and 'ant.build.javac.target ' that will be 
> used as defaults for javac and javadoc tags.
>
I was the one that actually requested this feature over a year ago ;)

http://issues.apache.org/bugzilla/show_bug.cgi?id=35590
> What will be the impact of this feature on our present build system?
>
As far as an end-user, probably no impact at all.
> Are we planning eventually to scrap our build.xml rewriting or even 
> rewrite build.xml files to remove -source , -target attributes?
Well, until at least 1.7 is stabilized, I don't see build.xml rewriting 
going away entirely.

One possibility I see, is in our java-ant-2.eclass, we could check for 
the version of ant we're using. If we're using < 1.7, do the traditional 
rewriting.  Otherwise, we use the new ant.build.javac stuff.

-- 
Joshua Nichols
Gentoo/Java - Project Lead

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