Fix backend/cpp/llama CMakeList.txt on OSX - detect OSX and use homeb…

…rew libraries

backend/cpp/llama/CMakeLists.txt

@@ -4,6 +4,11 @@ set(TARGET grpc-server)
 set(_PROTOBUF_LIBPROTOBUF libprotobuf)
 set(_REFLECTION grpc++_reflection)
 
+if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    link_directories("/opt/homebrew/lib")
+    include_directories("/opt/homebrew/include")
+endif()
+
 find_package(absl CONFIG REQUIRED)
 find_package(Protobuf CONFIG REQUIRED)
 find_package(gRPC CONFIG REQUIRED)
@@ -15,8 +20,7 @@ find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin)
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 include_directories(${Protobuf_INCLUDE_DIRS})
 
-message(STATUS "Using protobuf ${Protobuf_VERSION} ${Protobuf_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR}")
-
+message(STATUS "Using protobuf version ${Protobuf_VERSION} | Protobuf_INCLUDE_DIRS: ${Protobuf_INCLUDE_DIRS} | CMAKE_CURRENT_BINARY_DIR: ${CMAKE_CURRENT_BINARY_DIR}")
 
 # Proto file
 get_filename_component(hw_proto "../../../../../../pkg/grpc/proto/backend.proto" ABSOLUTE)