Issue with macOS build documentation

Brew is now refusing to execute the command brew link --force openssl with the following error:

Warning: Refusing to link: openssl
Linking keg-only openssl means you may end up linking against the insecure,
deprecated system OpenSSL while using the headers from Homebrew's openssl.
Instead, pass the full include/library paths to your compiler e.g.:
  -I/usr/local/opt/openssl/include -L/usr/local/opt/openssl/lib

Running cmake like this resolved the issue:

OPENSSL_ROOT_DIR=/usr/local/opt/openssl cmake .

The documentation should be updated to reflect this change.

[svk31]

This repo isn't being maintained anymore, try posting here instead (at least if it's Bitshares related): https://github.com/bitshares/bitshares-core/issues

[ekrolewicz6]

@thor-the-norseman this is exactly right. If you still have issues check here: https://steemit.com/bitshares/@crasch/installing-bitshares-graphene-from-source-on-mac-os-x-yosemite-10-5-5

[cifer76]

@svk31 How about announce this event in a eye-catching place? Let new developers moving to bitshares/bitshares-core repo.