Make sure suffix is produced when installing via rock (see #323)

and copy over site_config.lua, in case we're installing to
a different prefix (see https://sourceforge.net/p/luarocks/mailman/message/33608257/)

1 files changed, 2 insertions, 1 deletions

diff --git a/rockspec b/rockspec
index 92237c0c..f2f26b19 100644
--- a/rockspec
+++ b/rockspec
@@ -33,6 +33,7 @@ build = {
    build_pass=false,
    install_variables = {
       BINDIR="$(BINDIR)",
-      LUADIR="$(LUADIR)"
+      LUADIR="$(LUADIR)",
+      LUA="$(LUA)",
    }
 }