when we execute 'make' to build selftests, the TOP Makefile build gpio like: selftests$ make ARCH= CROSS_COMPILE= OUTPUT=/home/lizj/linux/tools/testing/selftests/gpio -C gpio ... 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 ../../../../usr/include/linux/gpio.h -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/uuid -lmount -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:84: recipe for target 'all' failed make: *** [all] Error 2 CC: Bamvor Jian Zhang <bamv2005@xxxxxxxxx> CC: Bartosz Golaszewski <brgl@xxxxxxxx> CC: Shuah Khan <shuah@xxxxxxxxxx> CC: linux-gpio@xxxxxxxxxxxxxxx Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxxxxx> --- tools/testing/selftests/gpio/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile index 1bbb475..e64a11c 100644 --- a/tools/testing/selftests/gpio/Makefile +++ b/tools/testing/selftests/gpio/Makefile @@ -24,7 +24,7 @@ LDLIBS += -lmount -I/usr/include/libmount $(BINARIES): ../../../gpio/gpio-utils.o ../../../../usr/include/linux/gpio.h ../../../gpio/gpio-utils.o: - make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio + make OUTPUT= ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio ../../../../usr/include/linux/gpio.h: make -C ../../../.. headers_install INSTALL_HDR_PATH=$(shell pwd)/../../../../usr/ -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
