luarocks: move the option --deps-mode

The option moves from `luarocks make` command to the LuaRocks config file.

This change and the merge of PR https://github.com/keplerproject/luarocks/pull/236
in LuaRocks 2.2.0 avoids the confusing message "Missing dependency"

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/luarocks/luarocks.mk

@@ -38,6 +38,7 @@ define HOST_LUAROCKS_INSTALL_CMDS
 	echo "gcc_rpath = false"                                >> $(LUAROCKS_CONFIG_FILE)
 	echo "rocks_trees = { [[$(TARGET_DIR)/usr]] }"          >> $(LUAROCKS_CONFIG_FILE)
 	echo "wrap_bin_scripts = false"                         >> $(LUAROCKS_CONFIG_FILE)
+	echo "deps_mode = [[none]]"                             >> $(LUAROCKS_CONFIG_FILE)
 endef
 
 $(eval $(host-generic-package))

package/pkg-luarocks.mk

@@ -59,7 +59,7 @@ endif
 ifndef $(2)_INSTALL_TARGET_CMDS
 define $(2)_INSTALL_TARGET_CMDS
 	cd $$($(2)_SRCDIR) && \
-	 $$(LUAROCKS_RUN) make --deps-mode=none --keep $$($(2)_ROCKSPEC) $$($(2)_BUILD_OPT)
+	 $$(LUAROCKS_RUN) make --keep $$($(2)_ROCKSPEC) $$($(2)_BUILD_OPT)
 endef
 endif