| # 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. |
| |
| 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>. |
| |
| AC_DEFUN([gl_AC_TYPE_UINTMAX_T], |
| [ |
| 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]) |
| 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 |
| ]) |
