[tip: locking/futex] selftests/futex: Conditionally include libnuma support

[tip-bot2 for Nylon Chen]

The following commit has been merged into the locking/futex branch of tip:

Commit-ID:     3814c4e145b7a315abd83c85caf97585c63035a4
Gitweb:        https://git.kernel.org/tip/3814c4e145b7a315abd83c85caf97585c63035a4
Author:        Nylon Chen <nylon.chen@xxxxxxxxxx>
AuthorDate:    Sun, 01 Mar 2026 19:04:34 -08:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxx>
CommitterDate: Tue, 24 Mar 2026 22:59:59 +01:00

selftests/futex: Conditionally include libnuma support

Use LIBNUMA_TEST to conditionally add -lnuma to LDLIBS.
Guard numa header includes with #ifdef LIBNUMA_VER_SUFFICIENT
to allow compilation without libnuma installed.

Co-developed-by: Zong Li <zong.li@xxxxxxxxxx>
Signed-off-by: Zong Li <zong.li@xxxxxxxxxx>
Signed-off-by: Nylon Chen <nylon.chen@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxx>
Link: https://patch.msgid.link/20260301-20260128_nylon_chen_sifive_com-v3-1-995ab4cc71aa@xxxxxxxxxx
---
 tools/testing/selftests/futex/functional/Makefile          | 5 ++++-
 tools/testing/selftests/futex/functional/futex_numa_mpol.c | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index af7ec30..b65ad75 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -4,7 +4,10 @@ LIBNUMA_TEST = $(shell sh -c "$(PKG_CONFIG) numa --atleast-version 2.0.16 > /dev
 
 INCLUDES := -I../include -I../../ $(KHDR_INCLUDES)
 CFLAGS := $(CFLAGS) -g -O2 -Wall -pthread -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 $(INCLUDES) $(KHDR_INCLUDES) -DLIBNUMA_VER_$(LIBNUMA_TEST)=1
-LDLIBS := -lpthread -lrt -lnuma
+LDLIBS := -lpthread -lrt
+ifeq ($(LIBNUMA_TEST),SUFFICIENT)
+LDLIBS += -lnuma
+endif
 
 LOCAL_HDRS := \
 	../include/futextest.h \
diff --git a/tools/testing/selftests/futex/functional/futex_numa_mpol.c b/tools/testing/selftests/futex/functional/futex_numa_mpol.c
index 220ef21..35ad217 100644
--- a/tools/testing/selftests/futex/functional/futex_numa_mpol.c
+++ b/tools/testing/selftests/futex/functional/futex_numa_mpol.c
@@ -10,8 +10,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#ifdef LIBNUMA_VER_SUFFICIENT
 #include <numa.h>
 #include <numaif.h>
+#endif
 
 #include <linux/futex.h>
 #include <sys/mman.h>