[jira] Updated: (HARMONY-5359) [drlvm][build] normalized ant build system

["Alexey Varlamov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-5359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Varlamov updated HARMONY-5359:
-------------------------------------

    Attachment: build.zip

Updated the build with latest changes (r609932, r607816).

Please note, the build requires up-to-date working_classlib (not older than r607409).

> [drlvm][build] normalized ant build system
> ------------------------------------------
>
>                 Key: HARMONY-5359
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5359
>             Project: Harmony
>          Issue Type: New Feature
>          Components: build - test - ci, DRLVM
>            Reporter: Alexey Varlamov
>         Attachments: build.zip, build.zip
>
>
> Need to refactor DRLVM build system was stated since early ages of Harmony, due to its awkwardness and bad augmentability (one can find a lot of discussons in dev-list archives).
> Here is this long-expected feature, "normalized" ant build system, featuring:
> - improved portability, as it uses unified set of properties defined by classlib, drops "build.bat/build.sh" wrappers and provides traditional ant interface for users and external scripts;
> - better maintainability and robustness, as it does not rely on XSL build preprocessing, on-fly generated scripts and buggy ant-contrib features (except tests which really need "for" task);
> - much faster rebuild time even with cpptasks: void build takes only 7-8 sec (and can be improved a bit more). Also, it is possible to build standalone component w/o rebuilding dependencies which is also handy.
> - enhanced modularity and plugability: any component or test script can be used independently (modulo 2-3 shared ant files), simplifying component reusing or redeployment.
> For now, the system lacks facilities for managing external dependencies, it just relies on presence and layout of artifacts as retrieved via old build.
> The dependency management is to be refactored cross Harmony components, including classlib, drlvm and jdktools.

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