#ifndef FREEGLUT_INTERNAL_H
#define FREEGLUT_INTERNAL_H
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
/* XXX Update these for each release! */
#define VERSION_MAJOR 2
#define VERSION_MINOR 2
#include <string.h>
#include <math.h>
#include <stdlib.h>
-#include <stdarg.h>
-#if TARGET_HOST_UNIX_X11
-#include <unistd.h>
-#include <sys/time.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
#endif
/* The system-dependant include files should go here: */