diff -ru vim71/src/configure.in vim71+iPhone/src/configure.in
--- vim71/src/configure.in	2007-05-12 09:19:27.000000000 +0000
+++ vim71+iPhone/src/configure.in	2008-01-01 12:24:16.000000000 +0000
@@ -5,6 +5,7 @@
 
 AC_INIT(vim.h)
 AC_CONFIG_HEADER(auto/config.h:config.h.in)
+AC_CHECK_HEADERS([sys/types.h])
 
 dnl Being able to run configure means the system is Unix (compatible).
 AC_DEFINE(UNIX)