Merge pull request #504 from eosnetworkfoundation/brew_openssl_arm_de…

…faults

pick sane defaults for OPENSSL_ROOT_DIR on ARM macOS

CMakeLists.txt

@@ -54,7 +54,11 @@ set(ENABLE_MULTIVERSION_PROTOCOL_TEST FALSE CACHE BOOL "Enable nodeos multiversi
 
 # add defaults for openssl
 if(APPLE AND UNIX AND "${OPENSSL_ROOT_DIR}" STREQUAL "")
-   set(OPENSSL_ROOT_DIR "/usr/local/opt/openssl@3;/usr/local/opt/openssl@1.1")
+   if(CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
+      set(OPENSSL_ROOT_DIR "/opt/homebrew/opt/openssl@3;/opt/homebrew/opt/openssl@1.1")
+   else()
+      set(OPENSSL_ROOT_DIR "/usr/local/opt/openssl@3;/usr/local/opt/openssl@1.1")
+   endif()
 endif()
 # fc also adds these definitions to its public interface. once fc becomes the sole importer of openssl, this should be removed
 add_definitions(-DOPENSSL_API_COMPAT=0x10100000L -DOPENSSL_NO_DEPRECATED)