linux-kernel - Re: [PATCH] selftests/gpio: fix compiling errors

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Date:   Sun, 7 Oct 2018 22:32:12 +0800
From:   Li Zhijian <lizhijian@...fujitsu.com>
To:     <shuah@...nel.org>, <linux-kselftest@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>,
        Bamvor Jian Zhang <bamv2005@...il.com>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH] selftests/gpio: fix compiling errors

ping


On 09/21/2018 06:00 PM, Li Zhijian wrote:
> lizhijian@...well-OptiPlex-9020:/home/lizj/linux/tools/testing/selftests$ make
> [...snip...]
> make ARCH=x86 CROSS_COMPILE= -C ../../../gpio
> make[2]: Entering directory '/home/lizj/linux/tools/gpio'
> [...snip...]
> make[3]: Leaving directory '/home/lizj/linux/tools/gpio'
>    LINK     /home/lizj/linux/tools/testing/selftests/gpiogpio-event-mon
> make[2]: Leaving directory '/home/lizj/linux/tools/gpio'
> gcc -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ gpio-mockup-chardev.c ../../../gpio/gpio-utils.o  -lmount -I/usr/include/libmount -o gpio-mockup-chardev
> gcc: error: ../../../gpio/gpio-utils.o: No such file or directory
> <builtin>: recipe for target 'gpio-mockup-chardev' failed
> make[1]: *** [gpio-mockup-chardev] Error 1
> make[1]: Leaving directory
> '/home/lizj/linux/tools/testing/selftests/gpio'
> Makefile:85: recipe for target 'all' failed
> make: *** [all] Error 2
>
> in this patch
> - correct target name to $OUTPUTgpio-utils.o
> - pass OUTPUT to tools/gpio/Makefile
> - support cleanup ../gpiogpio-hammer.o
>
> CC: Bamvor Jian Zhang <bamv2005@...il.com>
> CC: Bartosz Golaszewski <brgl@...ev.pl>
> CC: Shuah Khan <shuah@...nel.org>
> CC: linux-gpio@...r.kernel.org
> Signed-off-by: Li Zhijian <lizhijian@...fujitsu.com>
> ---
>   tools/testing/selftests/gpio/Makefile | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
> index 4665cdb..7f9354a 100644
> --- a/tools/testing/selftests/gpio/Makefile
> +++ b/tools/testing/selftests/gpio/Makefile
> @@ -7,7 +7,7 @@ EXTRA_PROGS := ../gpiogpio-event-mon ../gpiogpio-hammer ../gpiolsgpio
>   EXTRA_DIRS := ../gpioinclude/
>   EXTRA_OBJS := ../gpiogpio-event-mon-in.o ../gpiogpio-event-mon.o
>   EXTRA_OBJS += ../gpiogpio-hammer-in.o ../gpiogpio-utils.o ../gpiolsgpio-in.o
> -EXTRA_OBJS += ../gpiolsgpio.o
> +EXTRA_OBJS += ../gpiolsgpio.o ../gpiogpio-hammer.o
>   
>   include ../lib.mk
>   
> @@ -22,7 +22,7 @@ CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/
>   LDLIBS += -lmount -I/usr/include/libmount
>   
>   $(BINARIES):| khdr
> -$(BINARIES): ../../../gpio/gpio-utils.o
> +$(BINARIES): ../gpiogpio-utils.o
>   
> -../../../gpio/gpio-utils.o:
> -	make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio
> +../gpiogpio-utils.o:
> +	make OUTPUT=$(OUTPUT) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio

-- 
Best regards.
Li Zhijian (8528)