check individually for some for sched_ functions
diff --git a/configure.in b/configure.in
index ae1caa6..ec9a24a 100644
--- a/configure.in
+++ b/configure.in
@@ -2537,7 +2537,7 @@
select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
setgid sethostname \
setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
- sched_setaffinity \
+ sched_setaffinity sched_setscheduler sched_setparam sched_rr_get_interval \
sigaction sigaltstack siginterrupt sigpending sigrelse \
sigtimedwait sigwait sigwaitinfo snprintf strftime strlcpy symlinkat sync \
sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \