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Subject[PATCH] samples: watch_queue: add HEADERS_INSTALL dependency
Date
samples/watch_queue/Makefile specifies the header search path
-I$(objtree)/usr/include, which is probaby needed to include
<linux/watch_queue.h> etc.

To make it work properly, add "depends on HEADERS_INSTALL" so that
headers are installed into $(objtree)/usr/include before building
this sample.

Fixes: 7141642ed120 ("Add sample notification program")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

Arnd reported a build error:
https://lkml.org/lkml/2019/9/6/665

Missing "depends on HEADERS_INSTALL" is the only reason
I have in my mind.

If it still fails to build, I do not know why.


samples/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/samples/Kconfig b/samples/Kconfig
index 2c3e07addd38..d0761f29ccb0 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -171,6 +171,7 @@ config SAMPLE_VFS

config SAMPLE_WATCH_QUEUE
bool "Build example /dev/watch_queue notification consumer"
+ depends on HEADERS_INSTALL
help
Build example userspace program to use the new mount_notify(),
sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.
--
2.17.1
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