2 files changed, 4 insertions, 0 deletions
diff --git a/backends/lua.c b/backends/lua.c
index 1cd965e..3555e72 100644
--- a/backends/lua.c
+++ b/backends/lua.c
@@ -52,6 +52,7 @@ int init(){
 	return 0;
 }
 
+#ifndef MMBACKEND_LUA_TIMERFD
 static uint32_t lua_interval(){
 	size_t n = 0;
 	uint64_t next_timer = 1000;
@@ -66,6 +67,7 @@ static uint32_t lua_interval(){
 	}
 	return 1000;
 }
+#endif
 
 static int lua_update_timerfd(){
 	uint64_t interval = 0, gcd, residual;
diff --git a/backends/lua.h b/backends/lua.h
index 7aad891..f2583a8 100644
--- a/backends/lua.h
+++ b/backends/lua.h
@@ -18,7 +18,9 @@ static int lua_set(instance* inst, size_t num, channel** c, channel_value* v);
 static int lua_handle(size_t num, managed_fd* fds);
 static int lua_start();
 static int lua_shutdown();
+#ifndef MMBACKEND_LUA_TIMERFD
 static uint32_t lua_interval();
+#endif
 
 typedef struct /*_lua_instance_data*/ {
 	size_t channels;