--- dyld/dyld-1235.2/cache-builder/update_dyld_shared_cache.cpp
+++ dyld/dyld-941.4/cache-builder/update_dyld_shared_cache.cpp
@@ -22,8 +22,26 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <signal.h>
+#include <errno.h>
+#include <assert.h>
+#include <sys/uio.h>
+#include <unistd.h>
+
+
 int main(int argc, const char* argv[], const char* envp[])
 {
+    fprintf(stderr, "This tool is deprecated.\n");
     return 0;
 }