From: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
commit 3969e76909d3aa06715997896184ee684f68d164 upstream.
Fix build failure:
undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
Fix CFLAGS to include pthread correctly.
Fixes: 740378dc7834 ("pidfd: add polling selftests")
Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20190924195237.30519-1-skhan@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/pidfd/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/testing/selftests/pidfd/Makefile
+++ b/tools/testing/selftests/pidfd/Makefile
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
-CFLAGS += -g -I../../../../usr/include/ -lpthread
+CFLAGS += -g -I../../../../usr/include/ -pthread
TEST_GEN_PROGS := pidfd_test pidfd_open_test
