From: Daniel Díaz Date: Tue, 16 Oct 2018 21:46:59 +0000 (-0500) Subject: selftests: gpio: Find libmount with pkg-config if available X-Git-Tag: v5.0-rc1~94^2~6 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=694f1f926c725a8955c1c156ad6d3c4e1b853bd8;p=linux.git selftests: gpio: Find libmount with pkg-config if available 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 Signed-off-by: Shuah Khan --- 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