I think that's about what I'm hoping to make "ant build" become.

In terms of what's there today, Fred, have you tried the existing top-level
"buildonly" target?  My complaint with that one is that it doesn't get the
.so/.dll files into a usable place, but if you manually drop them into
build/lib, I think it's the closest we have today.



On Wed, May 27, 2009 at 2:34 PM, Fred Sauer <[email protected]> wrote:

> My pain point:
> I often want a trunk build of GWT to quickly test a patch. In this case I
> only need the GWT build for the current platform whatever that is. I don't
> need samples/demos nor do I need/want tests. I don't need a zipped up
> distro, just the jars. Even javadocs would be optional. Of course I want all
> of that and be able to do incremental builds.
>
> I imagine something like this:
>
> 1. ant clean platform-jars
> 2. (make a small code change to GWT compiler and/or GWT widgets)
> 3. ant platform-jars (fast, incremental build)
>
> Fred
>
> On Wed, May 27, 2009 at 10:38 AM, Freeland Abbott <[email protected]>wrote:
>
>> So, I'm looking at our ant files, and trying to unwind several problems...
>> but I figure I'll ask what other people have as pet peeves, to see if there
>> are other games I should play, too.
>>
>> Here's what's on my mind right now:
>>
>>    - If you run "ant clean build; ant build", the second build should be
>>    zero work.  It's not, and in particular it painfully builds samples twice.
>>    It shouldn't.
>>    - Right now, tests require a staging directory, which implies
>>    requiring a full distro kit including samples.  That's unnecessary; tests
>>    should require build, but not much more.
>>       - Related to that, too much depends on the semi-recursive -do,
>>       which is actually a no-op that depends on dist, which pulls too much 
>> in for
>>       simple cases.
>>    - Largely orthogonal, we have checked in files with $ in their names,
>>    which are supposed to also be usable wtih _ instead.  I've got a system
>>    which is badly allergic to the $'s, which is why this causes me pain, but
>>    generally it seems this "should" be addressed with alternate classpath 
>> roots
>>    anyway, so we can test both the two cases easily.
>>
>> Does anyone have other pain points to add?
>>
>>
>> What I was thinking of doing is:
>>
>>    - Shoot the top-level -do target, in favor of having subtargets
>>    directly invoke what they need from subprojects, via <antcall>, and 
>> setting
>>    "target" as is done today... so e.g. target "test" can depend target 
>> "build"
>>    or "buildonly" and then <antcall> the "test" targets of dev, user, etc.
>>    explicitly.  Since -do would no longer exist, it wouldn't depend on "dist"
>>    to get the fan-out effects, and fan-out can be more selectively 
>> controlled.
>>    - Untangle whatever our double-build is caused by; at first blush, it
>>    seems to think my directories are out of date relative to the existing jar
>>    (not the files in them, but the directories themselves).
>>    - Change the default target to "dist," for back compatibility, since
>>    that's what build today really does (build depends on -do which depends on
>>    dist which depends on build in all the subprojects).
>>    - Twiddle the semantics of "build" to be just building.  I haven't
>>    decided whether that would include building samples (probably; buildonly
>>    exists to skip that), but it wouldn't assemble the distro archive and then
>>    unpack it as dist does.
>>    - Introduce user/test_dollar and user/test_underbar as java-root
>>    directories with the obvious subset of files from today's user/test, and 
>> an
>>    adjustment to the test target one or the other is on classpath, 
>> controlled I
>>    think by a system property.
>>
>> Thoughts on that?
>>
>>
>>
>
>
> --
> Fred Sauer
> Developer Advocate
> Google Inc. 1600 Amphitheatre Parkway
> Mountain View, CA 94043
> [email protected]
>
>
> >
>

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