[Python-Dev] Have I got my hg dependencies correct?

[Victor Stinner]

Are you on the 2.7 branch or the default branch?

You might try to cleanup your checkout:

hg up -C -r 2.7
make distclean
hg purge # WARNING! it removes *all* files not tracked by Mercurial
./configure && make

You should also paste the full error message.

Victor

2016-10-20 13:47 GMT+02:00 Skip Montanaro <skip.montanaro at gmail.com>:
> I've recently run into a problem building the math and cmath modules
> for 2.7. (I don't rebuild very often, so this problem might have been
> around for awhile.) My hg repos look like this:
>
> * My cpython repo pulls from https://hg.python.org/cpython
>
> * My 2.7 repo (and other non-tip repos) pulls from my cpython repo
>
> I think this setup was recommended way back in the day when hg was new
> to the Python toolchain to avoid unnecessary network bandwidth.
>
> So, if I execute
>
> hg pull
> hg update
>
> in first cpython, then 2.7 repos I should be up-to-date, correct?
> However, rebuilding in my 2.7 repo fails to build math and cmath. The
> compiler complains that Modules/_math.o doesn't exist. If I manually
> execute
>
> make Modules/_math.o
> make
>
> after the failure, then the math and cmath modules build.
>
> Looking on bugs.python.org I saw this closed issue:
>
> http://bugs.python.org/issue24421
>
> which seems related. Is it possible that the fix wasn't propagated to
> the 2.7 branch? Or perhaps I've fouled up my hg repo relationships? My
> other repos which depend on cpython (3.5, 3.4, 3.3, and 3.2) all build
> the math module just fine.
>
> I'm running on an ancient MacBook Pro with OS X 10.11.6 (El Capitan)
> and XCode 8.0 installed.
>
> Any suggestions?
>
> Skip
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