For example, adding "lang" folder with all subfolders:
Index: Makefile
===================================================================
@@ -62,6 +62,7 @@
rm -f $(topdir)bin/$(VER)-$(PLATFORM)-$(PLATFORMSUB)-$(BUILD_NUMBER).zip
LANG=C echo -e "CHDK-$(VER) for $(PLATFORM) fw:$(PLATFORMSUB) build:$(BUILD_NUMBER) date:`date -R`" | \
zip -9jz $(topdir)bin/$(VER)-$(PLATFORM)-$(PLATFORMSUB)-$(BUILD_NUMBER).zip $(topdir)bin/DISKBOOT.BIN > $(DEVNULL)
+ zip -9r $(topdir)bin/$(VER)-$(PLATFORM)-$(PLATFORMSUB)-$(BUILD_NUMBER).zip $(topdir)lang/*
ifdef PLATFORMOS
ifeq ($(PLATFORMOS),vxworks)
cp $(topdir)bin/$(PLATFORM)-$(PLATFORMSUB).FIR $(topdir)bin/PS.FIR
updated!