diff options
Diffstat (limited to 'm4/intmax_t.m4')
| -rw-r--r-- | m4/intmax_t.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/m4/intmax_t.m4 b/m4/intmax_t.m4 new file mode 100644 index 00000000..9571814f --- /dev/null +++ b/m4/intmax_t.m4 @@ -0,0 +1,32 @@ +#serial 6 + +dnl From Paul Eggert. + +AC_PREREQ(2.52) + +# Define intmax_t to long or long long if <inttypes.h> doesn't define. + +AC_DEFUN([jm_AC_TYPE_INTMAX_T], +[ + AC_REQUIRE([jm_AC_TYPE_LONG_LONG]) + AC_CHECK_TYPE(intmax_t, , + [test $ac_cv_type_long_long = yes \ + && ac_type='long long' \ + || ac_type='long' + AC_DEFINE_UNQUOTED(intmax_t, $ac_type, + [Define to widest signed type if <inttypes.h> doesn't define.])]) +]) + +# Define uintmax_t to unsigned long or unsigned long long +# if <inttypes.h> doesn't define. + +AC_DEFUN([jm_AC_TYPE_UINTMAX_T], +[ + AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG]) + AC_CHECK_TYPE(uintmax_t, , + [test $ac_cv_type_unsigned_long_long = yes \ + && ac_type='unsigned long long' \ + || ac_type='unsigned long' + AC_DEFINE_UNQUOTED(uintmax_t, $ac_type, + [Define to widest unsigned type if <inttypes.h> doesn't define.])]) +]) |