avoid using implicit rules during metadata dump to speed up the process even more

[openwrt.git] / include / scan.mk

diff --git a/include/scan.mk b/include/scan.mk
index 3d97a4f..1cf45e5 100644 (file)
--- a/include/scan.mk
+++ b/include/scan.mk
@@ -17,7 +17,7 @@ ifeq ($(IS_TTY),1)
   endef
 else
   define progress
-       :
+       :;
   endef
 endif
 
@@ -27,7 +27,7 @@ define PackageDir
        { \
                $$(call progress,Collecting $(SCAN_NAME) info: $(SCAN_DIR)/$(2)) \
                echo Source-Makefile: $(SCAN_DIR)/$(2)/Makefile; \
-               $(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $(SCAN_DIR)/$(2) $(SCAN_MAKEOPTS) 2>/dev/null || echo "ERROR: please fix $(SCAN_DIR)/$(2)/Makefile" >&2; \
+               $(NO_TRACE_MAKE) --no-print-dir -r DUMP=1 -C $(SCAN_DIR)/$(2) $(SCAN_MAKEOPTS) 2>/dev/null || echo "ERROR: please fix $(SCAN_DIR)/$(2)/Makefile" >&2; \
                echo; \
        } > $$@ || true
 endef
@@ -50,9 +50,9 @@ $(TMP_DIR)/info/.files-$(SCAN_TARGET).mk: $(FILELIST)
 -include $(TMP_DIR)/info/.files-$(SCAN_TARGET).mk
 
 $(TARGET_STAMP)::
-       ( \
+       +( \
                $(NO_TRACE_MAKE) $(FILELIST); \
-               MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) | awk '{print $$1}'); \
+               MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) 2>/dev/null | awk '{print $$1}'); \
                [ -f "$@.$$MD5SUM" ] || { \
                        rm -f $@.*; \
                        touch $@.$$MD5SUM; \