[jira] Closed: (MNG-806) tools.jar needs to be supported as a normal dependency

["John Casey (JIRA)" <ji...@codehaus.org>]

     [ http://jira.codehaus.org/browse/MNG-806?page=all ]
     
John Casey closed MNG-806:
--------------------------

    Resolution: Fixed

I've added a new type of dependency to the mix: scope == system.

This new dependency has the potential to break portability, but is used to incorporate dependencies that are assumed to be on the system already at build time...for instance, tools.jar. To use this for the tools.jar, specify:

<dependency>
  <groupId>sun.jdk</groupId>
  <artifactId>tools</artifactId>
  <version>1.4.2_08</version>
  <scope>system</scope>
  <systemPath>${java.home}/../lib/tools.jar</systemPath>
</dependency>

HOWEVER, this path specification will lead to failure of the build when run on OS X or any non-Sun JDK...hence the portability warning above. My suggestion is that these dependencies be used with the utmost care. Multiple profiles activated based on 'os.name' or similar might help to mitigate the breakage on non-Sun platforms. See it0063 for more information.

> tools.jar needs to be supported as a normal dependency
> ------------------------------------------------------
>
>          Key: MNG-806
>          URL: http://jira.codehaus.org/browse/MNG-806
>      Project: Maven 2
>         Type: Improvement
>  Environment: sun sdk
>     Reporter: Matthew Pocock
>     Assignee: John Casey
>      Fix For: 2.0-beta-2

>
>
> Sun SDKs have a tools.jar that provides API for extending the Sun java tools. This includes APT and Javadoc. There is no mechanism in maven for loading in tools.jar as a dependency. It can be added to the classpath before maven is launched, or manually loaded into the local repository. However, neither of these solutions are very satisfactory.
> Could we have some smarts in the dependency loading that understands a magical jdk groupId that resolves to the current JDK being used for compilation? This would let JDK-dependent stuff be linked in. In the case of tools.jar, the dependency snippet would look something like this:
> <dependency>
>   <groupId>sun.jdk</groupId>
>   <artifactId>tools</artifactId>
>   <type>jar</type>
>   <scope>provided</scope>
> </dependency>

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