2007-10-23 10:48:09 +00:00
|
|
|
# uintmax_t.m4 serial 9
|
|
|
|
|
dnl Copyright (C) 1997-2004 Free Software Foundation, Inc.
|
|
|
|
|
dnl This file is free software; the Free Software Foundation
|
|
|
|
|
dnl gives unlimited permission to copy and/or distribute it,
|
|
|
|
|
dnl with or without modifications, as long as this notice is preserved.
|
2003-10-25 16:27:24 +00:00
|
|
|
|
|
|
|
|
dnl From Paul Eggert.
|
|
|
|
|
|
|
|
|
|
AC_PREREQ(2.13)
|
|
|
|
|
|
|
|
|
|
# Define uintmax_t to 'unsigned long' or 'unsigned long long'
|
|
|
|
|
# if it is not already defined in <stdint.h> or <inttypes.h>.
|
|
|
|
|
|
2007-10-23 10:48:09 +00:00
|
|
|
AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
|
2003-10-25 16:27:24 +00:00
|
|
|
[
|
2007-10-23 10:48:09 +00:00
|
|
|
AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
|
|
|
|
|
AC_REQUIRE([gl_AC_HEADER_STDINT_H])
|
|
|
|
|
if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
|
|
|
|
|
AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG])
|
2003-10-25 16:27:24 +00:00
|
|
|
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 unsigned long or unsigned long long
|
|
|
|
|
if <stdint.h> and <inttypes.h> don't define.])
|
|
|
|
|
else
|
|
|
|
|
AC_DEFINE(HAVE_UINTMAX_T, 1,
|
|
|
|
|
[Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
|
|
|
|
|
fi
|
|
|
|
|
])
|
