Move to JDK8

[Jonathan Lu]

Hello Eric,

Excellent job, but I found some typos, see
http://cr.openjdk.java.net/~luchsh/autoconf_path_typo/

Best regards!
- Jonathan

On 12/13/2011 10:36 PM, Erik Joelsson wrote:
> Hello,
>
> I just pushed a whole lot to the JDK8 build-infra-dev forest. I will 
> try to explain what it's all about.
>
> At the start of this project, we were working with the assumption that 
> we would build more or less a complete solution and then get to push 
> it in as a replacement for the old build system. Over time we have 
> realized that would be hard, both for consumers getting it all in 
> their face at once, and for us, having to make sure we cover 
> everything in one go. We recently decided to instead try to get small 
> chunks in at a time, and instead of replacing the old system, add it 
> as an alternate system until we make the switch. This way, we will get 
> a lot more visibility and people will be able to try it out in their 
> actual daily work.
>
> So far we have been working in a jdk7 forest, basically a copy of what 
> was released as jdk7. But since the project is targeting jdk8, this 
> doesn't really make much sense. It's time to move our work to a jdk8 
> forest.
>
> So what is actually in my push? First I synced up with the JDK8 
> master. I then started moving the build infra changes in, one repo at 
> a time. The following are done:
>
> root
> langtools
> corba
> jaxp (including committing the exploded drops)
> jaxws (including committing the exploded drops)
> hotspot
>
> And still to be done:
>
> jdk
>
> In each repo (where applicable) there is a new directory "makefiles" 
> in which the new makefiles reside. Exceptions to this are hotspot and 
> the root. In hotspot the existing makefiles have been modified to be 
> compatible with both the new and old. In the root, everything new is 
> in the directory "common".
>
> The common directory in root has the following layout:
>
> common/src - Source files for small tools needed by the build.
> common/makefiles - New makefiles including the main "Makefile"
> common/bin - Utility executables (scripts)
> common/autoconf - The configure script and the source for it.
> common/autoconf/build-aux - The third party autoconf files that we 
> still need to download separately.
>
> To build using the new build system in the build-infra-dev jdk8 
> forest, change directory to "common/makefiles" and:
>
> ../autoconf/configure --disable-javac-server --disable-javac-deps 
> --disable-javac-multi-core
> make
>
> Notes: The javac server currently isn't working, so it needs to be 
> disabled. The jdk repo isn't converted yet so the build will fail when 
> hotspot is done.
>
> Building in the old way should work just as before.
>
> As always, comments and suggestions are welcome!
>
> /Erik