build: add devel option to store build config in firmware

[openwrt/openwrt.git] / package / base-files / Makefile

diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 78c3dc9390cf58fde8483596563c2e6e5e500887..512fa66ca73bb8181510473e2cce63f2faa61d34 100644 (file)
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -168,6 +168,10 @@ define Package/base-files/install
                                echo "$$$${conffile##$(1)}" >> $(1)/CONTROL/conffiles; \
                fi \
        done
+
+       $(if $(CONFIG_INCLUDE_CONFIG), \
+               echo -e "# Build configuration for board $(BOARD)/$(SUBTARGET)/$(PROFILE)\n" >$(1)/etc/build.config; \
+               cat $(BIN_DIR)/config.seed >>$(1)/etc/build.config)
 endef
 
 ifneq ($(DUMP),1)