If pkg-config is available, use it to define the CFLAGS and LDLIBS needed for libmount; else, use the current hard-coded paths and options.
Using pkg-config is very helpful for cross-compilation environments, and is sometimes readily available on developer boxes to ensure we get the right compiler/linker options for the given package.
Signed-off-by: Daniel Díaz daniel.diaz@linaro.org --- tools/testing/selftests/gpio/Makefile | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile index 46648427d537..f22b22aef7bf 100644 --- a/tools/testing/selftests/gpio/Makefile +++ b/tools/testing/selftests/gpio/Makefile @@ -1,7 +1,13 @@ # SPDX-License-Identifier: GPL-2.0
-CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ -LDLIBS += -lmount -I/usr/include/libmount +MOUNT_CFLAGS := $(shell pkg-config --cflags mount 2>/dev/null) +MOUNT_LDLIBS := $(shell pkg-config --libs mount 2>/dev/null) +ifeq ($(MOUNT_LDLIBS),) +MOUNT_LDLIBS := -lmount -I/usr/include/libmount +endif + +CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ $(MOUNT_CFLAGS) +LDLIBS += $(MOUNT_LDLIBS)
TEST_PROGS := gpio-mockup.sh TEST_FILES := gpio-mockup-sysfs.sh