[New-bugs-announce] [issue31568] Configure thinks it finds python3.5 but doesn't

[Larry Hastings]

New submission from Larry Hastings:

On Python 3.5, the makefile pseudotarget "regen-opcode" now fails if "python3.5" can't be found on the path.  What's strange is that the configure script scans to see if it can find "python3.5", and it thinks it can, but then actually attempting to run it fails.

I can't merge PRs in 3.5 right now because this is broken.  Note that everything is fine on my Ubuntu laptop because I *do* have "python3.5" on my path.  But the Travis CI buildbot doesn't.

Here is an example failure on Travis CI:

https://travis-ci.org/python/cpython/jobs/279140454

I don't know how this got merged, because the PR that made this change should itself have failed.  Maybe the configuration of the buildbot has changed since we merged that PR?

----------
assignee: haypo
components: Build
keywords: 3.5regression
messages: 302837
nosy: haypo, larry
priority: release blocker
severity: normal
stage: needs patch
status: open
title: Configure thinks it finds python3.5 but doesn't
type: compile error
versions: Python 3.5

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31568>
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