[PATCH] samples: kdbus: build kdbus-workers conditionally

[Daniel Mack <daniel@zonque.org>]

Give the kdbus sample its own config switch and only build it if it's
explicitly switched on.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reported-by: Jiri Slaby <jslaby@suse.cz>
---
 samples/Kconfig        | 7 +++++++
 samples/kdbus/Makefile | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/samples/Kconfig b/samples/Kconfig
index 224ebb4..a4c6b2f 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -55,6 +55,13 @@ config SAMPLE_KDB
 	  Build an example of how to dynamically add the hello
 	  command to the kdb shell.
 
+config SAMPLE_KDBUS
+	bool "Build kdbus API example"
+	depends on KDBUS
+	help
+	  Build an example of how the kdbus API can be used from
+	  userspace.
+
 config SAMPLE_RPMSG_CLIENT
 	tristate "Build rpmsg client sample -- loadable modules only"
 	depends on RPMSG && m
diff --git a/samples/kdbus/Makefile b/samples/kdbus/Makefile
index d009025..9e40c68 100644
--- a/samples/kdbus/Makefile
+++ b/samples/kdbus/Makefile
@@ -1,7 +1,7 @@
 # kbuild trick to avoid linker error. Can be omitted if a module is built.
 obj- := dummy.o
 
-hostprogs-y += kdbus-workers
+hostprogs-$(CONFIG_SAMPLE_KDBUS) += kdbus-workers
 
 always := $(hostprogs-y)
 
-- 
2.3.4