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confuse 2.7

    1: # intmax.m4 serial 3 (gettext-0.16)
    2: dnl Copyright (C) 2002-2005 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_TRY_COMPILE([
   17: #include <stddef.h>
   18: #include <stdlib.h>
   19: #if HAVE_STDINT_H_WITH_UINTMAX
   20: #include <stdint.h>
   21: #endif
   22: #if HAVE_INTTYPES_H_WITH_UINTMAX
   23: #include <inttypes.h>
   24: #endif
   25: ],     [intmax_t x = -1;
   26:         return !x;],
   27:        gt_cv_c_intmax_t=yes,
   28:        gt_cv_c_intmax_t=no)])
   29:   if test $gt_cv_c_intmax_t = yes; then
   30:     AC_DEFINE(HAVE_INTMAX_T, 1,
   31:       [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
   32:   fi
   33: ])