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      1 #serial 6
      2 
      3 dnl From Paul Eggert.
      4 
      5 AC_PREREQ(2.52)
      6 
      7 # Define intmax_t to long or long long if <inttypes.h> doesn't define.
      8 
      9 AC_DEFUN([jm_AC_TYPE_INTMAX_T],
     10 [
     11   AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
     12   AC_CHECK_TYPE(intmax_t, ,
     13     [test $ac_cv_type_long_long = yes \
     14        && ac_type='long long' \
     15        || ac_type='long'
     16      AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
     17        [Define to widest signed type if <inttypes.h> doesn't define.])])
     18 ])
     19 
     20 # Define uintmax_t to unsigned long or unsigned long long
     21 # if <inttypes.h> doesn't define.
     22 
     23 AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
     24 [
     25   AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
     26   AC_CHECK_TYPE(uintmax_t, ,
     27     [test $ac_cv_type_unsigned_long_long = yes \
     28        && ac_type='unsigned long long' \
     29        || ac_type='unsigned long'
     30      AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
     31        [Define to widest unsigned type if <inttypes.h> doesn't define.])])
     32 ])
     33