pyenv install 3.7.3
...
BUILD FAILED (OS X 11.6 using python-build 20180424)
...
CFLAGS="-I$(brew --prefix openssl)/include \
-I$(brew --prefix bzip2)/include \
-I$(brew --prefix readline)/include \
-I$(xcrun --show-sdk-path)/usr/include" \
LDFLAGS="-L$(brew --prefix openssl)/lib \
-L$(brew --prefix readline)/lib \
-L$(brew --prefix zlib)/lib \
-L$(brew --prefix bzip2)/lib" \
pyenv install --patch <PYTHON_VERSION> \
< <(curl -sSL https://github.com/python/cpython/commit/8ea6353.patch\?full_index\=1)