tools: Add a help target
... and make it the default one so that calling 'make' without arguments
in the tools/ directory gives you the possible targets to build along
with a short description of what they are.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: http://lkml.kernel.org/r/1334162178-17152-5-git-send-email-bp@amd64.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/Makefile b/tools/Makefile
index feadfdd..f87c0ec 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,5 +1,25 @@
include scripts/Makefile.include
+help:
+ @echo 'Possible targets:'
+ @echo ''
+ @echo ' cpupower - a tool for all things x86 CPU power'
+ @echo ' firewire - the userspace part of nosy, an IEEE-1394 traffic sniffer'
+ @echo ' lguest - a minimal 32-bit x86 hypervisor'
+ @echo ' perf - Linux performance measurement and analysis tool'
+ @echo ' selftests - various kernel selftests'
+ @echo ' turbostat - Intel CPU idle stats and freq reporting tool'
+ @echo ' usb - USB testing tools'
+ @echo ' virtio - vhost test module'
+ @echo ' vm - misc vm tools'
+ @echo ' x86_energy_perf_policy - Intel energy policy tool'
+ @echo ''
+ @echo 'Cleaning targets:'
+ @echo ''
+ @echo ' all of the above with the "_clean" string appended cleans'
+ @echo ' the respective build directory.'
+ @echo ' clean: a summary clean target to clean _all_ folders'
+
cpupower: FORCE
$(QUIET_SUBDIR0)power/$@/ $(QUIET_SUBDIR1)