15Aug/19
pycurl libcurl link-time ssl backend (openssl) is different from compile-time ssl backend (none/other)
export PYCURL_SSL_LIBRARY=openssl
pip install pycurl --compile --no-cache-dir --global-option=build_ext --global-option="-L/usr/local/opt/openssl/lib" --global-option="-I/usr/local/opt/openssl/include"