Apple has deprecated use of OpenSSL in favor of its own TLS and crypto libraries Generally there are no consequences of this for you. If you build your own software and it requires this formula, you'll need to add to your build variables: LDFLAGS: -L/usr/local/opt/openssl/lib CPPFLAGS: -I/usr/local/opt/openssl/include
How to resolve?
$ cat /etc/paths /usr/local/bin /usr/bin /bin /usr/sbin /sbin
Mavericks /etc/paths was not included /usr/local/bin and I didn't know which file makes default $PATH when I wrote Resolved the issue of 2016-02-12 - Shammerism. So I resolved the issue by the way which is complicated. El Capitan has a new function to prevent change /usr/bin by default, it is not good method to resolve my Emacs problem by changing /usr/bin. I resolved my Emacs problem simply creating a symbolic link.