--- a/configure.ac	2023-07-04 18:25:34.419067107 +0200
+++ b/configure.ac	2023-07-04 18:25:42.558931140 +0200
@@ -58,7 +58,6 @@
   esac ],
     [
         AX_PROG_LUA
-        AX_LUA_HEADERS
         AX_LUA_LIBS
         if test x"$LUA_LIB" = x; then
             AC_MSG_ERROR([Lua library not found. You may try option --with-lua-suffix.])