Compiling Python via Pyenv on Archlinux but missing OpenSSL

Question

I am trying to install python via pyenv on my new ArchLinux install

pyenv install 3.5.1Downloading Python-3.5.1.tar.xz...
-> https://www.python.org/ftp/python/3.5.1/Python-3.5.1.tar.xz
Installing Python-3.5.1...
ERROR: The Python ssl extension was not compiled. Missing the OpenSSL lib?

Please consult to the Wiki page to fix the problem.
https://github.com/pyenv/pyenv/wiki/Common-build-problems


BUILD FAILED (Arch Linux using python-build 20160602)

Inspect or clean up the working tree at /tmp/python-build.20170515113212.3725
Results logged to /tmp/python-build.20170515113212.3725.log

Last 10 log lines:
(cd /home/maximilian/.pyenv/versions/3.5.1/share/man/man1; ln -s python3.5.1 python3.1)
if test "xupgrade" != "xno"  ; then \
    case upgrade in \
        upgrade) ensurepip="--upgrade" ;; \
        install|*) ensurepip="" ;; \
    esac; \
     ./python -E -m ensurepip \
        $ensurepip --root=/ ; \
fi
Ignoring ensurepip failure: pip 7.1.2 requires SSL/TLS

And it failes due to missing OpenSSL support. I had it running on my previous Arch installation but I can't remember what I did back then.

The FAQ in the Wiki does not provide a working solution

naoki912 · Accepted Answer · 2017-05-22 21:02:52Z

12

Please try it.:

CFLAGS=-I/usr/include/openssl-1.0 \
LDFLAGS=-L/usr/lib64/openssl-1.0 \
pyenv install -v 3.5.1

ArchLinux packages:

$ pacman -Q | grep openssl
openssl 1.1.0.e-1
openssl-1.0 1.0.2.k-3
python-pyopenssl 17.0.0-1
python2-pyopenssl 17.0.0-1

answered May 22, 2017 at 21:02

naoki912

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Comments

Nils Werner · Accepted Answer · 2017-05-15 09:53:10Z

4

The pyvenv FAQ mention an issue similar to what you are reporting. Their solution is to use

CFLAGS=-I/usr/include/openssl \
LDFLAGS=-L/usr/lib64 \
pyenv install -v 3.5.1

Also it's not Python that needs SSL but only pip. Arch's own Python 3 package compiles with --without-ensurepip, so you could try

CONFIGURE_OPTS="--without-ensurepip" \
pyenv install -v 3.5.1

edited May 15, 2017 at 9:53

answered May 15, 2017 at 9:49

Nils Werner

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2 Comments

Maximilian Kindshofer Over a year ago

Yeah but what can I do to get the build process to work with pyenv.

Maximilian Kindshofer Over a year ago

I tried this, but to no avil. Most frustrating is the fact that I got It working on a different machine

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