@@ -1,4 +1,7 @@
+# These are used when we want to do substitutions without confusing Make
+NULL :=
+SPACE := $(NULL) #
COMMA := ,
# Don't use implicit rules or variables
@@ -140,7 +140,7 @@ docker-run: docker-qemu-src
$(if $V,,--rm) \
$(if $(DEBUG),-ti,) \
$(if $(NETWORK),$(if $(subst $(NETWORK),,1),--net=$(NETWORK)),--net=none) \
- -e TARGET_LIST=$(TARGET_LIST) \
+ -e TARGET_LIST=$(subst $(SPACE),$(COMMA),$(TARGET_LIST)) \
-e EXTRA_CONFIGURE_OPTS="$(EXTRA_CONFIGURE_OPTS)" \
-e V=$V -e J=$J -e DEBUG=$(DEBUG) \
-e SHOW_ENV=$(SHOW_ENV) \