dnl sendfile() is not standard -- we'll have to check the different
dnl versions one by one :-)
dnl
-AC_CHECK_HEADER(sys/sendfile.h,result=yes,result=no)
-
-dnl
-dnl For some reason, we have to check it AGAIN... Otherwise it's never defined!
-dnl
-AC_CHECK_HEADERS(sys/sendfile.h)
+AC_CHECK_HEADERS(sys/sendfile.h,result=yes,result=no)
if test "$result" = "yes"; then
AC_MSG_CHECKING([for Linux sendfile()])