1 files changed, 5 insertions, 0 deletions

diff --git a/src/process.c b/src/process.c
index d45a2c6e8e0..307e82819d6 100644
--- a/src/process.c
+++ b/src/process.c
@@ -125,6 +125,11 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "xgselect.h"
 #endif
 
+#ifdef WINDOWSNT
+extern int sys_select (int, SELECT_TYPE *, SELECT_TYPE *, SELECT_TYPE *,
+                       EMACS_TIME *, void *);
+#endif
+
 #ifndef WNOHANG
 # undef waitpid
 # define waitpid(pid, status, options) wait (status)