diff -ruN vim-7.4.979.orig/src/configure.ac vim-7.4.979/src/configure.ac
--- vim-7.4.979.orig/src/configure.ac	2015-12-19 15:28:18.000000000 +0100
+++ vim-7.4.979/src/configure.ac	2016-01-05 01:33:07.501230977 +0100
@@ -535,7 +535,7 @@
       fi
     else
       dnl -- try to find Lua executable
-      AC_PATH_PROG(vi_cv_path_plain_lua, lua)
+      AC_PATH_PROG(vi_cv_path_plain_lua, lua5.2)
       if test "X$vi_cv_path_plain_lua" != "X"; then
 	dnl -- find Lua version
 	AC_CACHE_CHECK(Lua version, vi_cv_version_plain_lua,