diff --git a/lib/glthread/cond.c b/lib/glthread/cond.c
index c35272e..087369f 100644
--- a/lib/glthread/cond.c
+++ b/lib/glthread/cond.c
@@ -102,6 +102,8 @@ glthread_cond_init_func (gl_cond_t *cond)
 int
 glthread_cond_wait_func (gl_cond_t *cond, gl_lock_t *lock)
 {
+  int ret;
+
   if (!cond->guard.done)
     {
       if (InterlockedIncrement (&cond->guard.started) == 0)
@@ -189,6 +191,7 @@ glthread_cond_wait_func (gl_cond_t *cond, gl_lock_t *lock)
 int
 glthread_cond_timedwait_func (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime)
 {
+  int ret;
   struct timeval currtime;
 
   gettimeofday (&currtime, NULL);
diff --git a/tests/test-poll.c b/tests/test-poll.c
index 3b4ab35..64dec2c 100644
--- a/tests/test-poll.c
+++ b/tests/test-poll.c
@@ -22,6 +22,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <sys/socket.h>
+#include <sys/ioctl.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <poll.h>
diff --git a/tests/test-select.c b/tests/test-select.c
index 50f7559..6de3d0d 100644
--- a/tests/test-select.c
+++ b/tests/test-select.c
@@ -24,6 +24,7 @@
 #include <string.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#include <sys/ioctl.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <stdbool.h>