w00t!! On Wed, Jun 10, 2009 at 5:47 PM, Freeland Abbott <[email protected]> wrote:
> As of r5537, my no-change "ant build" takes 1:55 instead of 19:43, and > there's still some easy work to do, albeit with obviously diminishing > returns > > Most of that difference is due to a rather annoying timestamp consideration > with directory entries in jars; my patch introduces a new Ant task, > LatestTimeJar, to resolve it. > > The issue is---was---that in general, we jar both > .../src/com/google/gwt/.../Foo.java and also > build/out/.../com/google/gwt/.../Foo.class. The jar file will have one > directory entry for "com/", the existence of which is actually important to > GWT as Scott pointed out in the first-round review comments. But the two > directories have different touch dates, and we archived the first-named, > which was usually from .../src/..., with an "old" date by svn. The second > build would therefore notice that the *second* instance of "com/" was > newer than the archived "com/", and therefore jar it again. (Because we did > "updates," the entry would have been new after that second cycle. In some > cases, notably the servet API classes in alldeps.jar, we had up to four such > duplicates, though.) Worse, everything downstream of that error also had to > be redone... including the samples. > > > > > > --~--~---------~--~----~------------~-------~--~----~ http://groups.google.com/group/Google-Web-Toolkit-Contributors -~----------~----~----~----~------~----~------~--~---
