OPTION(ENABLE_SNOWBALL "Enable snowball stemmer [default: ON]" ON)
OPTION(ENABLE_CLANG_PLUGIN "Enable clang static analysing plugin [default: OFF]" OFF)
OPTION(ENABLE_HYPERSCAN "Enable hyperscan for fast regexp processing [default: OFF]" OFF)
-OPTION(ENABLE_FANN "Enable fann for neural network plugin [default: ON]" ON)
+OPTION(ENABLE_FANN "Enable fann for neural network plugin [default: OFF]" OFF)
OPTION(ENABLE_PCRE2 "Enable pcre2 instead of pcre [default: OFF]" OFF)
OPTION(ENABLE_GD "Enable libgd for images processing [default: OFF]" OFF)
OPTION(ENABLE_JEMALLOC "Build rspamd with jemalloc allocator [default: OFF]" OFF)