@echo 'Cleaning:'
@echo ' clean - delete temporary files created by build'
@echo ' distclean - delete all non-source files (including .config)'
+ @echo ' doc-clean - delete all generated documentation'
@echo
@echo 'Build:'
@echo ' all - Executable and documentation'
@echo ' You can use these commands if the commands on the host'
@echo ' is unusable. Afterwards use it like:'
@echo ' make SED="$(objtree)/sed"'
+ @$(if $(boards), \
+ $(foreach b, $(boards), \
+ printf " %-21s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \
+ echo '')
@echo
@echo 'Installation:'
@echo ' install - install busybox into CONFIG_PREFIX'