clean up dependency handling for autorebuilds

[openwrt.git] / tools / Makefile

diff --git a/tools/Makefile b/tools/Makefile
index d03ab38..8c5f699 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -8,6 +8,7 @@
 #
 include $(TOPDIR)/rules.mk
 TARGETS-y:=sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage firmware-utils
+TARGETS-$(CONFIG_CCACHE) += ccache
 
 TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y))
 TARGETS_PREPARE:=$(patsubst %,%-prepare,$(TARGETS-y))
@@ -28,7 +29,7 @@ ifneq ($(shell $(SCRIPT_DIR)/timestamp.pl -p . $(STAMP)),$(STAMP))
   $(STAMP): $(TARGETS_INSTALL)
 endif
 
-$(STAMP):
+$(STAMP): $(TOPDIR)/.config
        mkdir -p $(shell dirname $@)
        touch $@