Makefile: add help target

Add help target to Makefile

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/Makefile b/Makefile
index ea2f797c933f4afb8b5dfa623769b08e658df531..25de3893cae4edddc9dfd59c88191b6211c433aa 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -71,6 +71,18 @@ all: config.mk
        for i in $(SUBDIRS); \
        do echo; echo $$i; $(MAKE) $(MFLAGS) -C $$i; done
 
+help:
+       @echo "Make Targets:"
+       @echo " all                 - build binaries"
+       @echo " clean               - remove products of build"
+       @echo " distclean           - remove configuration and build"
+       @echo " install             - install binaries on local machine"
+       @echo " cscope              - build cscope database"
+       @echo " snapshot            - generate version number header"
+       @echo ""
+       @echo "Make Arguments:"
+       @echo " V=[0|1]             - set build verbosity level"
+
 config.mk:
        sh configure $(KERNEL_INCLUDE)