diff -uNr vis-0.6/configure vis-0.6.mod/configure
--- vis-0.6/configure	2020-06-07 13:25:20.000000000 +0300
+++ vis-0.6.mod/configure	2020-10-01 15:02:03.158788341 +0300
@@ -422,60 +422,9 @@
 test "$lpeg" = "yes" && lua=yes
 
 if test "$lua" != "no" ; then
-
-	printf "checking for liblua >= 5.2 ...\n"
-
-cat > "$tmpc" <<EOF
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
-
-#if LUA_VERSION_NUM < 502
-#error "Need at least Lua 5.2"
-#endif
-
-int main(int argc, char *argv[]) {
-	lua_State *L = luaL_newstate();
-	luaL_openlibs(L);
-	lua_close(L);
-	return 0;
-}
-EOF
-
-	for liblua in lua lua5.3 lua5.2 lua-5.3 lua-5.2 lua53 lua52; do
-		printf " checking for %s... " "$liblua"
-
-		if test "$have_pkgconfig" = "yes" ; then
-			CFLAGS_LUA=$(pkg-config --cflags $liblua 2>/dev/null)
-			LDFLAGS_LUA=$(pkg-config --libs $liblua 2>/dev/null)
-			if test $? -eq 0 && $CC $CFLAGS $CFLAGS_LUA "$tmpc" \
-				$LDFLAGS $LDFLAGS_LUA -o "$tmpo" >/dev/null 2>&1 ; then
-				CONFIG_LUA=1
-				printf "yes\n"
-				break
-			fi
-		fi
-
-		CFLAGS_LUA=""
-		LDFLAGS_LUA="-l$liblua -lm -ldl"
-
-		if $CC $CFLAGS $CFLAGS_LUA "$tmpc" \
-			$LDFLAGS $LDFLAGS_LUA -o "$tmpo" >/dev/null 2>&1 ; then
-			CONFIG_LUA=1
-			printf "yes\n"
-			break
-		else
-			printf "no\n"
-			CFLAGS_LUA=""
-			LDFLAGS_LUA=""
-		fi
-	done
-
-	test "$lua" = "yes" -a $CONFIG_LUA -ne 1 && fail "$0: cannot find liblua"
-
-	if test $CONFIG_LUA -eq 1; then
-		CFLAGS_LUA="$CFLAGS_LUA -DLUA_COMPAT_5_1 -DLUA_COMPAT_5_2 -DLUA_COMPAT_ALL"
-	fi
+	CONFIG_LUA=1
+	CFLAGS_LUA="-DLUA_COMPAT_5_1 -DLUA_COMPAT_5_2 -DLUA_COMPAT_ALL"
+	LDFLAGS_LUA="-llua5.3 -lm"
 fi
 
 CONFIG_LPEG=0