[jira] [Created] (SAMZA-34) Cross build all Scala versions in a single build

["Chris Riccomini (JIRA)" <ji...@apache.org>]

Chris Riccomini created SAMZA-34:
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             Summary: Cross build all Scala versions in a single build
                 Key: SAMZA-34
                 URL: https://issues.apache.org/jira/browse/SAMZA-34
             Project: Samza
          Issue Type: Bug
          Components: build
    Affects Versions: 0.6.0
            Reporter: Chris Riccomini


Our gradle build script only supports building artifacts with one Scala version at a time. You can run:

{noformat}
./gradlew -PscalaVersion=2.8.1 clean publishToMavenLocal
{noformat}

or

{noformat}
./gradlew -PscalaVersion=2.9.2 clean publishToMavenLocal
{noformat}

But you can't run a single build command that generates both 2.8.1, and 2.9.2 versions (for example). This is what SBT does. I think we'll need this in order to publish artifacts to Maven, since I believe Maven require all artifacts to be published in a single build.

We should test this. If we can publish to Maven with this change, this is a pretty low priority item. If we can't publish to Maven unless we make this change, it's relatively high priority.

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