Some explicit includes needed for FreeBSD

glfw/ibus_glfw.c

@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <limits.h>
 
 #include "internal.h"
 #include "ibus_glfw.h"

glfw/x11_init.c

@@ -37,6 +37,7 @@
 #include <stdio.h>
 #include <locale.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 
 // Check whether the specified atom is supported