Fix luac detection error case

ac_cv_path_XX only caches positive results, not failures

diff --git a/configure.ac b/configure.ac
index c9d80746e55c08f351fcfa833562754e0769c818..1a428e7223f348eafe3a5ac4d7b4fb6ae0183341 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1613,7 +1613,7 @@ then
   fi
   AC_ARG_VAR([LUAC], [LUA byte compiler])
   AC_PATH_PROGS(LUAC,[${LUAC} luac], [false])
-  AS_IF([test "${ac_cv_path_LUAC}" = "false"], [
+  AS_IF([test "${LUAC}" = "false"], [
     AC_MSG_ERROR([Could not find the LUA byte compiler.])
   ])
 fi