Makefile: only call UPDATE if rule exists

9 years ago · d6e2ad3805
parent 42ee8895a9
commit d6e2ad3805
1 changed files with 3 additions and 2 deletions
--- a/5
+++ b/5
@ -603,11 +603,12 @@ define UPDATE

 endef
 update:
-	$(foreach PKG,$(PKGS),$(call UPDATE,$(PKG),$(shell $($(PKG)_UPDATE))))
+	$(foreach PKG,$(PKGS),\
+	    $(and $($(PKG)_UPDATE),$(call UPDATE,$(PKG),$(shell $($(PKG)_UPDATE)))))

 update-package-%:
 	$(if $(call set_is_member,$*,$(PKGS)), \
-	    $(call UPDATE,$*,$(shell $($*_UPDATE))), \
+	    $(and $($*_UPDATE),$(call UPDATE,$*,$(shell $($*_UPDATE)))), \
 	    $(error Package $* not found in index.html))

 update-checksum-%: