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confuse 3.3

    1: # intmax.m4 serial 6 (gettext-0.18.2)
    2: dnl Copyright (C) 2002-2005, 2008-2013 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 Bruno Haible.
    8: dnl Test whether the system has the 'intmax_t' type, but don't attempt to
    9: dnl find a replacement if it is lacking.
   10: 
   11: AC_DEFUN([gt_TYPE_INTMAX_T],
   12: [
   13:   AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
   14:   AC_REQUIRE([gl_AC_HEADER_STDINT_H])
   15:   AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
   16:     [AC_COMPILE_IFELSE(
   17:        [AC_LANG_PROGRAM(
   18:           [[
   19: #include <stddef.h>
   20: #include <stdlib.h>
   21: #if HAVE_STDINT_H_WITH_UINTMAX
   22: #include <stdint.h>
   23: #endif
   24: #if HAVE_INTTYPES_H_WITH_UINTMAX
   25: #include <inttypes.h>
   26: #endif
   27:           ]],
   28:           [[intmax_t x = -1;
   29:             return !x;]])],
   30:        [gt_cv_c_intmax_t=yes],
   31:        [gt_cv_c_intmax_t=no])])
   32:   if test $gt_cv_c_intmax_t = yes; then
   33:     AC_DEFINE([HAVE_INTMAX_T], [1],
   34:       [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
   35:   fi
   36: ])