configure: Define _GNU_SOURCE when checking for setns

glibc defines this function only as gnu extention Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
2024-11-15 05:55:11 +08:00 · 2022-08-10 22:34:40 -07:00 · 2022-08-10 22:34:40 -07:00 · d5fe96ab70
commit d5fe96ab70
parent 28c7404735
1 changed files with 1 additions and 0 deletions
--- a/1
+++ b/1
@ -191,6 +191,7 @@ check_ipt_lib_dir()
 check_setns()
 {
    cat >$TMPDIR/setnstest.c <<EOF
+#define _GNU_SOURCE
 #include <sched.h>
 int main(int argc, char **argv)
 {