[PATCH 1/2] selftests: futex: Correctly include headers dirs

[André Almeida]

When building selftests, the build system will install uapi linux
headers at usr/include in kernel source's root directory. When building
with a different output folder, the headers will be installed at
kselftests/usr/include. Add both paths so we can build the tests using
up-to-date headers. Currently, this is uncommon to happen since it's
rare to find a build system with an outdated futex header, but it
happens when testing new futex operations.

Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxxxxx>
---
 tools/testing/selftests/futex/functional/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index 23207829ec75..1d2b3b2a5b86 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
-INCLUDES := -I../include -I../../
+INCLUDES := -I../include -I../../ -I../../../../../usr/include/ \
+	-I$(KBUILD_OUTPUT)/kselftest/usr/include
 CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES)
 LDLIBS := -lpthread -lrt
 
-- 
2.31.1