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HID: hid-example: fix some build issues

samples/hid-example.o needs some Kconfig and Makefile additions in order
to build.  It should use <linux/*.h> headers from the build tree, so use
HEADERS_CHECK to require that those header files be present.

Change the kconfig symbol from tristate to bool since userspace cannot be
built as loadable modules.

However, I don't understand why the userspace header files are not present
as reported in Andrew's build log, since it builds OK on x86_64 without
any of these changes.

Signed-off-by: Randy Dunlap <>
Cc: Alan Ott <>
Cc: Jiri Kosina <>
Signed-off-by: Andrew Morton <>
Signed-off-by: Jiri Kosina <>
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1 parent cb3e85f commit d431b2e33cd54e4334019a95979ae93aea4735e8 Randy Dunlap committed with Jiri Kosina Apr 21, 2011
Showing with 4 additions and 2 deletions.
  1. +2 −2 samples/Kconfig
  2. +2 −0 samples/hidraw/Makefile
@@ -62,8 +62,8 @@ config SAMPLE_KDB
command to the kdb shell.
- tristate "Build simple hidraw example"
- depends on HIDRAW
+ bool "Build simple hidraw example"
+ depends on HIDRAW && HEADERS_CHECK
Build an example of how to use hidraw from userspace.
@@ -6,3 +6,5 @@ hostprogs-y := hid-example
# Tell kbuild to always build the programs
always := $(hostprogs-y)
+HOSTCFLAGS_hid-example.o += -I$(objtree)/usr/include

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