---
 libcc1/connection.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libcc1/connection.cc b/libcc1/connection.cc
index 175e7a176b9e..60e37c2ce0c5 100644
--- a/libcc1/connection.cc
+++ b/libcc1/connection.cc
@@ -21,6 +21,7 @@ along with GCC; see the file COPYING3.  If not see
 #include <string>
 #include <unistd.h>
 #include <sys/types.h>
+#include <sys/select.h>
 #include <string.h>
 #include <errno.h>
 #include "marshall.hh"