build: add locking for downloads (fixes race conditions with multiple variants)

[openwrt.git] / include / download.mk

diff --git a/include/download.mk b/include/download.mk
index ca5eee4..ffde522 100644 (file)
--- a/include/download.mk
+++ b/include/download.mk
@@ -182,6 +182,6 @@ define Download
 
   $(DL_DIR)/$(FILE):
        mkdir -p $(DL_DIR)
-       $(if $(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/unknown))
+       $(call locked,$(if $(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/$(call dl_method,$(URL),$(PROTO))),$(DownloadMethod/unknown)),$(FILE))
 
 endef