I can't recreate the "clang-version-9 docker image without python3-config" bug on my end . I also had a little check of Kokoro and found the image there to be fine: https://gem5-review.googlesource.com/c/public/gem5/+/41373. python3-config appears to exist on the image inside Kokoro.
I _think_ what you have is an out-of-date image on whatever system you're running on. I don't know under what circumstances docker will pull the latest version of an image, but you can do so manually with `docker pull http://gcr.io/gem5-test/clang-version-9`. Can you do that and try again? I think this will solve your problem. -- Dr. Bobby R. Bruce Room 2235, Kemper Hall, UC Davis Davis, CA, 95616 web: https://www.bobbybruce.net On Fri, Feb 12, 2021 at 5:35 PM Gabe Black <gabe.bl...@gmail.com> wrote: > Hi Bobby, that's not the docker I'm using. The one I'm using is > gcr.io/gem5-test/clang-version-9 which is the one run as part of the > presubmit tests (see original email). There may have been drift between > that and the compiler tests? When I run that docker interactively > (otherwise the same command as in the presubmit script) I get the following: > > $ docker run -i -u $UID:$GID --volume $(pwd):$(pwd) -w $(pwd) --rm " > gcr.io/gem5-test/clang-version-9" > which python3-config > python3-config > /bin/bash: line 2: python3-config: command not found > > There's no command prompt so what is the output of what may not be clear. > I typed the "which" line which produced no output (nothing found). Then I > typed python3-config which returned the error message on the last line. > > The "leak" I'm referring to would be if the original build of gem5 (for > the regressions) figured out, for instance, where to get the python library > from, etc. scons will cache these values between builds to speed up build > time, and may not attempt to redetermine those values which it would no > longer be able to do once python3-config goes away in the second run. I > think it does try to figure out when those values are stale and rerun > config checks, but in my experience it's not 100% accurate and may not > retry when it really should. That could be hiding the error in this case. > > Gabe > > On Fri, Feb 12, 2021 at 10:37 AM Bobby Bruce <bbr...@ucdavis.edu> wrote: > >> Hey Gabe, >> >> So, the docker image appears to have python3-config: >> >> ``` >> docker run --rm gcr.io/gem5-test/clang-version-9 python3-config >> ``` >> >> Returns: >> >> ``` >> Usage: /usr/bin/python3-config >> --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir >> ``` >> >> So it's in there. >> >> As far as I can tell it's been this way for a while. The Dockerfile used >> to build the image is >> `util/dockerfiles/ubuntu-18.04_clang-version/Dockerfile`. I'm confused by >> this, I don't think anything should "leak" into the image in this way. >> Could you link me to an example of this issue happening? >> >> -- >> Dr. Bobby R. Bruce >> Room 2235, >> Kemper Hall, UC Davis >> Davis, >> CA, 95616 >> >> web: https://www.bobbybruce.net >> >> >> On Wed, Feb 10, 2021 at 10:21 PM Gabe Black <gabe.bl...@gmail.com> wrote: >> >>> Hi folks. I was trying to debug a problem in one of my scons cleanups >>> which was failing on kokoro when trying to build under clang. I think I >>> fixed it, but after doing so it started to fail because it didn't like the >>> version of python it was finding, and sure enough that image has >>> python-config and python2.7-config installed on it, but no python3-config >>> even though it has python 3. >>> >>> Does anybody know what's going on here? My best guess is that values >>> from a previous build using a docker image that does have python3-config >>> are leaking through and making the subsequent build with this image work, >>> even though it doesn't work when done first. >>> >>> Where should I/we look to fix this image so it has python3-config on it? >>> >>> Gabe >>> >>
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