pyenv Ubuntu16.04 ERROR: The Python ssl extension was not compiled. Missing the OpenSSL lib?

雑なメモです
環境: Ubuntu16.04
pyenvは公式の説明どおりインストール済み
pyenv install中に以下のようなエラーが出ました。

 % pyenv install 3.5.2              
Downloading Python-3.5.2.tar.xz...
-> https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tar.xz
Installing Python-3.5.2...
patching file Lib/venv/scripts/posix/activate.fish
WARNING: The Python bz2 extension was not compiled. Missing the bzip2 lib?
WARNING: The Python readline extension was not compiled. Missing the GNU readline lib?
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 (Ubuntu 16.04 using python-build 1.2.9-2-g6309aaf)

Inspect or clean up the working tree at /tmp/python-build.20190116213835.24555
Results logged to /tmp/python-build.20190116213835.24555.log

Last 10 log lines:
(cd /home/pollenjp/.pyenv/versions/3.5.2/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 8.1.1 requires SSL/TLS

解決法

なんてことはない。。。ちゃんとPrerequisitesを入れていないだけだった。。。
https://github.com/pyenv/pyenv/wiki/common-build-problems#prerequisites

$ sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
    libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
    xz-utils tk-dev libffi-dev liblzma-dev python-openssl