smarter cmake, conditional hass, still need to do conditional gzip logging

CMakeLists.txt

@@ -36,10 +36,19 @@ target_compile_options(linuxSmartie
         -fdiagnostics-color=always
 )
 
-# Link libraries
-target_link_libraries(linuxSmartie
-    PRIVATE
-        websockets
-        z
-)
+find_package(libwebsockets QUIET)
+find_package(ZLIB QUIET)
 
+if(libwebsockets_FOUND)
+    target_link_libraries(linuxSmartie PRIVATE websockets)
+    target_compile_definitions(linuxSmartie PRIVATE ENABLE_HOME_ASSISTANT)
+else()
+    message(STATUS "no libwebsockets found, disabling hass")
+endif()
+
+if(ZLIB_FOUND)
+    target_link_libraries(linuxSmartie PRIVATE z)
+    target_compile_definitions(linuxSmartie PRIVATE ENABLE_ZLIB)
+else()
+    message(STATUS "no zlib found, disabling saving logs to gz")
+endif()