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samples: mei: build sample program for target architecture

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This userspace program includes UAPI headers exported to usr/include/.
'make headers' always works for the target architecture (i.e. the same
architecture as the kernel), so the sample program should be built for
the target as well. Kbuild now supports 'userprogs' for that.

I also guarded the CONFIG option by 'depends on CC_CAN_LINK' because
$(CC) may not provide libc.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Masahiro Yamada 2020-04-29 12:45:24 +09:00
parent 60fb0b1239
commit c4c10996b1
2 changed files with 4 additions and 6 deletions
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1
samples/Kconfig
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@ -193,6 +193,7 @@ config SAMPLE_VFS
config SAMPLE_INTEL_MEI
bool "Build example program working with intel mei driver"
depends on INTEL_MEI
depends on CC_CAN_LINK && HEADERS_INSTALL
help
Build a sample program to work with mei device.

9
samples/mei/Makefile
View File

@ -1,10 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2012-2019, Intel Corporation. All rights reserved.
hostprogs := mei-amt-version
userprogs := mei-amt-version
always-y := $(userprogs)
HOSTCFLAGS_mei-amt-version.o += -I$(objtree)/usr/include
always-y := $(hostprogs)
all: mei-amt-version
userccflags += -I usr/include