gnu/dist/diffutils/m4/inttypes.m4

   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 ])