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Message-Id: <20190907020631.29359-1-yamada.masahiro@socionext.com>
Date: Sat, 7 Sep 2019 11:06:31 +0900
From: Masahiro Yamada <yamada.masahiro@...ionext.com>
To: David Howells <dhowells@...hat.com>
Cc: linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Christian Brauner <christian@...uner.io>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] samples: watch_queue: add HEADERS_INSTALL dependency
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@...db.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.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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