1 # uintmax_t.m4 serial 9 2 dnl Copyright (C) 1997-2004 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 dnl From Paul Eggert. 8 9 AC_PREREQ(2.13) 10 11 # Define uintmax_t to 'unsigned long' or 'unsigned long long' 12 # if it is not already defined in <stdint.h> or <inttypes.h>. 13 14 AC_DEFUN([gl_AC_TYPE_UINTMAX_T], 15 [ 16 AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) 17 AC_REQUIRE([gl_AC_HEADER_STDINT_H]) 18 if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then 19 AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG]) 20 test $ac_cv_type_unsigned_long_long = yes \ 21 && ac_type='unsigned long long' \ 22 || ac_type='unsigned long' 23 AC_DEFINE_UNQUOTED(uintmax_t, $ac_type, 24 [Define to unsigned long or unsigned long long 25 if <stdint.h> and <inttypes.h> don't define.]) 26 else 27 AC_DEFINE(HAVE_UINTMAX_T, 1, 28 [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.]) 29 fi 30 ]) 31
