On 2020-08-24 19:21, Ludovic Henry wrote:
Hi Magnus,
I want to follow up on this work of yours, as we've particular interest in it
for the Windows-AArch64 port.
Let me know how I could assist you in this effort.
The big blockers for this fix is basically these two issues:
I have also temporarily disabled the javac server, and building without
absolute paths. I believe a better way forward is to address these with
improved functionality in separate patches, instead of trying to work around
the issues introduced by them in this patch.
Until that is fixed, any integration of this patch is a no-go.
I have been working on those, but a lot of other stuff has kept me from
gaining much progress; everything from long vacations to preparations to
the switch to github. Unfortunately, I don't think there's an easy way
for you to help on those two blockers.
However, there are two more things that I'd like to look into, if
possible, before integrating my patch, and there you might be able to help.
One is performance. I got a somewhat different performance profile with
my patch than without -- some things were faster, and some were slower.
I'd like to understand why some things got slower, and if it is possible
to do anything about. (Why things got faster I don't care about, I'm
just happy :))
So maybe you can help me with some performance analysis? With the
limited availability of tooling for makefiles, this is not really
trivial. What I usually do is I run with JOBS=1 (to be able to track
each task individually without effects of concurrency), and
LOG=info,profile. This will give you time stamps for each individual
execution in build.log. And see if there is any interesting differences
with and without the patch.
The other thing is that WSL2 works awfully bad. :( Maybe there's nothing
to be done about it, if the thing being shipped is just too buggy, but
maybe we do things incorrectly, or that unnecessarily triggers bugs. Or
maybe there are workarounds we could use. But I think it could be worth
some more effort to try to get it working. Maybe you can help with this?
/Magnus
