Add an help target used by default

Change-Id: Ifdf1d3968964a8d66ac218aa8d28b18bb0e94404
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

diff --git a/autobuild/agl/autobuild.in b/autobuild/agl/autobuild.in
index d77cb7b..759f6be 100755 (executable)
--- a/autobuild/agl/autobuild.in
+++ b/autobuild/agl/autobuild.in
@@ -18,9 +18,22 @@ THISFILE  := $(lastword $(MAKEFILE_LIST))
 BUILD_DIR := $(abspath $(dir $(THISFILE)/../../../../..)/build)
 DEST      := ${BUILD_DIR}/target
 
-.PHONY: all clean distclean configure build package
-
-all: build
+.PHONY: all clean distclean configure build package help
+
+all: help
+
+help:
+       @echo "List of targets available:"
+       @echo ""
+       @echo "- all"
+       @echo "- clean"
+       @echo "- distclean"
+       @echo "- configure"
+       @echo "- build"
+       @echo "- package"
+       @echo ""
+       @echo "Usage: ./conf.d/autobuild/agl/autobuild package DEST=${HOME}/opt"
+       @echo "Don't use your build dir as DEST as wgt file is generated at this location"
 
 clean:
        @([ -d ${BUILD_DIR} ] && make -C ${BUILD_DIR} clean) || echo Nothing to clean