Do you run with $OUTPUT/jdk (exploded classes, pre-images)?

[Mike Duigou]

On Apr 14 2014, at 07:01 , Alan Bateman <Alan.Bateman at oracle.com> wrote:

> 
> I'm interested to get a sense for how many people run/debug with the intermediate build output that is $OUTPUT/jdk. That is, the developer build that has the class files on the file system rather than images (ie: no rt.jar, no tools.jar, everything in jdk/classes on the boot class path).

I always build only images.

> 
> In the dark days of the old build then this was the modus operandi for many of us, partly because the images target took longer that a round trip to the coffee machine, partly because it could be combined with make -f to run specific make files for fast edit-build-debug.
> 
> The context for the question is modules where we need to figure some of the infrastructure/build changes to get us to the point where the source code is organized by module and where the build evolves to compile everything as modules.

This should, for most developers, result in shorter builds as a smaller subset will be rebuilt.

We should try to live without needing to support the pre-image mode if we can but understandably there is some need for it with current build times.

> Draft JEPs coming on this soon and for now I'm just trying to get a feel for common it is to run with the intermediate output that is $OUTPUT/jdk and whether folks do anything more than run tests or just use it for debugging.
> 
> -Alan.