build: skip configure check for built-in lpeg if lua is not found

 $ ./configure --disable-lua

will no longer look for liblpeg.

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index fe85ccf..5255908 100755
--- a/configure
+++ b/configure
@@ -465,7 +465,7 @@ fi
 
 CONFIG_LPEG=0
 
-if test "$lpeg" != "no" ; then
+if test $CONFIG_LUA -eq 1 -a "$lpeg" != "no" ; then
 
 	printf "checking for liblpeg ... "