X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/c45b60efa60390a92e25f7138c2acd9f1029659a..57968b17ca658805ef2069321b960224109122b2:/include/toplevel.mk

diff --git a/include/toplevel.mk b/include/toplevel.mk
index e9384aebc..19b25d339 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -134,6 +134,13 @@ prereq:: prepare-tmpinfo .config
 
 %::
 	@+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
+	@( \
+		cp .config tmp/.config; \
+		./scripts/config/conf -D tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
+		if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
+			echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
+		fi \
+	)
 	@+$(SUBMAKE) -r $@
 
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