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bug#26966: New Java bootstrap
From: |
Ludovic Courtès |
Subject: |
bug#26966: New Java bootstrap |
Date: |
Thu, 18 May 2017 13:47:44 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Ricardo Wurmus <address@hidden> skribis:
> This patch series removes GCJ and bootstraps the JDK with Jikes.
>
> Up to now our Java bootstrap with GCJ involved nasty compromises:
>
> * GCJ depended on an iterative Java compiler in the form of a binary of
> ECJ (the Eclipse compiler for Java)
>
> * The GCJ sources include pre-compiled Java .class files coming from
> the GNU Classpath project.
>
> I only learned of the second of these problems when I expressed my
> sadness about the removal of GCJ and Andrew Haley replied that GCJ
> depended on binaries to a larger extent than I was aware of.
>
> Recently Ludo brought up Jikes on #guix and while it first looked like a
> much less capable compiler (only implementing a limited set of Java 1.5)
> it turned out to be enough to get a first bootstrap JDK built. After
> some experimentation I managed to build a version of ECJ from source,
> which eventually led the way to a properly bootstrapped JDK with IcedTea.
Kudos for carrying it out, impressive piece of work!
I’m happy this will trim down the amount of opaque binaries our packages
rely on.
Ludo’.
- bug#26966: [PATCH 21/22] gnu: ant: Update to 1.10.1., (continued)
bug#26966: [PATCH 22/22] gnu: Remove GCJ., Ricardo Wurmus, 2017/05/17
bug#26966: [PATCH 01/22] gnu: Add jikes., Roel Janssen, 2017/05/18
bug#26966: [PATCH 01/22] gnu: Add jikes., Ludovic Courtès, 2017/05/18
bug#26966: New Java bootstrap, Roel Janssen, 2017/05/18
bug#26966: New Java bootstrap,
Ludovic Courtès <=
bug#26966: New Java bootstrap, Roel Janssen, 2017/05/22