1 files changed, 4 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 1213a589..16c9d4fc 100644
--- a/Makefile
+++ b/Makefile
@@ -80,6 +80,10 @@ src/luarocks/site_config.lua: config.unix
         echo "LUAROCKS_UNAME_M=[[$(LUAROCKS_UNAME_M)]]" >> src/luarocks/site_config.lua
         echo "LUAROCKS_DOWNLOADER=[[$(LUAROCKS_DOWNLOADER)]]" >> src/luarocks/site_config.lua
         echo "LUAROCKS_MD5CHECKER=[[$(LUAROCKS_MD5CHECKER)]]" >> src/luarocks/site_config.lua
+        if [ -n "$(LUAROCKS_MULTIARCHDIR)" ] ;\
+        then \
+           echo "LUAROCKS_MULTIARCHDIR=[[$(LUAROCKS_MULTIARCHDIR)]]" >> src/luarocks/site_config.lua ;\
+        fi
 
 dev:
         $(MAKE) build_bins LUADIR=$(PWD)/src