[CRIU] [crtools-bot] make: Add 'help' target

[Cyrill Gorcunov]

The commit is pushed to "master" and will appear on git://github.com/cyrillos/crtools.git
------>
commit 54d7a588017714f135a0a1181ab7b9bc92d24f53
Author: Cyrill Gorcunov <gorcunov at openvz.org>
Date:   Fri Jan 27 18:41:09 2012 +0400

    make: Add 'help' target
    
    Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
    Acked-by: Pavel Emelyanov <xemul at parallels.com>
---
 Makefile |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/Makefile b/Makefile
index 31836d8..736ce10 100644
--- a/Makefile
+++ b/Makefile
@@ -171,6 +171,18 @@ cscope:
 	$(Q) $(CSCOPE) -bkqu
 .PHONY: cscope
 
+help:
+	$(E) '    Targets:'
+	$(E) '      all             - Build all [*] targets'
+	$(E) '    * crtools         - Build crtools'
+	$(E) '      zdtm            - Build zdtm test-suite'
+	$(E) '      clean           - Clean everything'
+	$(E) '      tags            - Generate tags file (ctags)'
+	$(E) '      cscope          - Generate cscope database'
+	$(E) '      rebuild         - Force-rebuild of [*] targets'
+	$(E) '      test            - Run zdtm test-suite'
+.PHONY: help
+
 ifeq ($(filter-out no-deps-targets, $(MAKECMDGOALS)),)
 -include $(DEPS)
 endif