diff -r 6f804141872c -r 66c281524c98 configure.ac
--- a/configure.ac	Tue Jan 06 16:00:32 2009 +0000
+++ b/configure.ac	Tue Jan 06 17:33:37 2009 +0000
@@ -21,6 +21,7 @@
 AC_PROG_CC
 AM_PROG_CC_STDC
 AC_HEADER_STDC
+AC_CHECK_HEADERS([sys/mman.h])
 AM_PROG_LIBTOOL
 AC_PROG_MAKE_SET
 AC_PROG_LN_S