1AC_DEFUN([DOVECOT_UOFF_T_MAX], [
2  dnl * Do we have UOFF_T_MAX?
3  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4    #include <limits.h>
5    #include <sys/types.h>
6  ]], [[
7    uoff_t i = UOFF_T_MAX;
8  ]])],[
9    :
10  ],[
11    AC_DEFINE_UNQUOTED(UOFF_T_MAX, $uofft_max, [Maximum value of uoff_t])
12  ])
13])
14