Problem installing puma on OS X with openssl
When installing puma on OSX 10.11 El Capitan, if you are facing issues compiling mini_ssl.c
fatal error: 'openssl/bio.h' file not found.
all you need to do is to specify
--with-opt-dir
You can make this applicable for all your Gemfiles:
bundle config build.puma --with-opt-dir=/usr/local/opt/openssl