boost: build stuck on OS X 10.11.4 about homebrew-core HOT 13 CLOSED

From @MikeMcQuaid on April 7, 2016 14:24

Sorry but you have not followed the requested steps on the Troubleshooting page: https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/Troubleshooting.md#troubleshooting

Please follow (all of) these steps and post the information here so we can help you with your problem.

Thanks!

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From @mdelmans on April 7, 2016 15:10

Sorry I did't follow the protocol.

I ranbrew update (twice)
I fixed all warnings (apart from unbowed headers I believe are from node.js)
My command line tools are up to date (OS is to the latest update as well)

Still stuck at

...updated 13743 targets...

Gist logs:
https://gist.github.com/3f391e758d751c78ecc62fbef9f99033

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From @UniqMartin on April 7, 2016 19:6

This seems to be a legitimate bug. I'm able to reproduce it locally, though I haven't isolated the problem yet. Stay tuned …

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We get reports about this on IRC occasionally. I've never been able to reproduce; I think it might be hardware-linked? I don't have a problem on a 16gb MacBookPro11,5.

CPU: 8-core 64-bit haswell
OS X: 10.11.4-x86_64
Xcode: 7.3
CLT: 7.3.0.0.1.1457485338
Clang: 7.3 build 703
...
🍺  /usr/local/Cellar/boost/1.60.0_1: 11,139 files, 437.7M, built in 12 minutes 19 seconds

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Incidentally --c++11 is a no-op on ≥ 10.9; you can almost certainly work around this by not passing any options and just using the bottle.

Removing the bug label since this is not obviously a Homebrew bug.

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It's a legitimate bug, I reproduced it locally, and am preparing a fix right now. It's triggered by boost but isn't immediately related to that formula (other formulae are probably also affected).

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Do you know where the hang happens? Is it right toward the end of installation before "Cleaning" and "Finishing up" should happen? Seems like it might be, since "...updated 13743 targets..." sounds like a status message output at the end of a make pass

I was just working on a hang in install under brew test-bot that seems possibly related to env :userpaths, and boost is one of the few other formulae to use that.

(Could confirm similarity by doing a ps when it's hung and seeing if there's a wrapped git --version call sitting there taking up CPU time.)

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Incidentally, this is why boost has env :userpaths: Homebrew/legacy-homebrew#15689

I think that may no longer be necessary.

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I'm not convinced nginx needs it anymore either.

I presume it was added because nginx used to pluck the first passenger-config out of the $PATH if building with that option but for a fair while now it has been chained to the passenger formula instead via an option.

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A tentative fix is to be found in Homebrew/brew#46. Sorry I completely missed basically the same issue (and thorough analysis of it) that had already happened in #88.

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Sorry I completely missed basically the same issue (and thorough analysis of it) that had already happened in #88.

No worries: no reason you should have known about it, unless you had been exhaustively watching all the comments on the core repo and made the connection. That wasn't even posted as an issue, just some trouble in a formula bump PR. I just saw the connection because you happened to mention the hang issue while I had been working on the other one.

I was about to post it as a new Issue to homebrew/brew, which is when you would have seen it, but you already had a fix out before I finished writing up the bug report.

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@mdelmans Try again after a brew update. This should have been fixed by Homebrew/brew@d7aa0c0.

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Thanks guys. Works like a charm.

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