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Date: Tue, 22 Jan 2008 10:21:20 -0800
From: "Assaf Arkin" <arkin@intalio.com>
To: buildr-user@incubator.apache.org
Subject: Re: Compile
In-Reply-To: <C3BB7564.2C80%neil.lott@twcable.com>
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On 1/22/08, Neil Lott <neil.lott@twcable.com> wrote:
>
>
> Yes, the jar exists in the target directory and installed in the local
> repository.  The sources sub-project compile statement refers to the
> interfaces jar artifact in the repository.
>
> No, the source files have not changed.


Weird, but basically this will happen in one of two cases:

1.  The compile task depends on the output of another compile task,
typically by referencing it's JAR.
2.  One is a sub-project of the other, projects always compile their
sub-projects.

You can run buildr --trace to see which files are references on the
classpath, or add this in the project:

puts compile.classpath

Assaf


On 1/22/08 10:21 AM, "Alex Boisvert" <boisvert@intalio.com> wrote:
>
> > On 1/22/08, Neil Lott <neil.lott@twcable.com> wrote:
> >>
> >> Here=B9s the line I=B9m executing:
> >>
> >> [neil@flicker.local buildr]$ buildr coredn:sources:compile
> >> (in
> >>
> >>
> /Users/neil/Business/SnowyRangeConsulting/projects/twc/depot/server/relea=
ses
> >> /main/products/coredn/buildr)
> >> Compiling 2166 source files in coredn:interfaces:compile
> >> Note: Some input files use unchecked or unsafe operations.
> >> Note: Recompile with -Xlint:unchecked for details.
> >> Compiling 1661 source files in coredn:sources:compile
> >>
> >> Why is my other subproject coredn:interfaces:compile getting executed?
> >>
> >> My source sub-project is dependent upon the jar produced by the
> interfaces
> >> sub-project but I don=B9t see how the compile will resolve that
> dependency.
> >
> >
> > Does the jar already exist?   Have any of the source files used to
> produce
> > it been changed?
> >
> > In the Buildr/Rake model, dependencies are transitive.  If one of the
> > dependencies is outdated, it will generally trigger a chain reaction to
> > re-execute all of the tasks depending on it.
> >
> > alex
>
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--=20
CTO, Intalio
http://www.intalio.com

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