Add OpenSSL path to CMake

Author: jonathan-r-thorpe

.github/workflows/build-test.yml

@@ -151,7 +151,6 @@ jobs:
         echo -e "$hostip crl.testsuite.nmos.tv\n$hostip ocsp.testsuite.nmos.tv" | sudo tee -a /etc/hosts > /dev/null
         # testssl.sh needs "timeout"
         brew install coreutils
-        brew install openssl
 
     - name: mac docker install
       # installs docker on a mac runner. Github's documentation states docker is already available so this shouldn't be necessary
@@ -326,6 +325,7 @@ jobs:
             -DCMAKE_MODULE_PATH="${{ env.CMAKE_WORKSPACE }}/build/conan"
             -DCMAKE_PREFIX_PATH="${{ env.CMAKE_WORKSPACE }}/install"
             -DCMAKE_INSTALL_PREFIX="${{ env.CMAKE_WORKSPACE }}/build/conan"
+            -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl
             ${{ env.CMAKE_COMPILER_ARGS }}'
 
     - name: install test log