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confuse 3.3

    1: # inttypes_h.m4 serial 10
    2: dnl Copyright (C) 1997-2004, 2006, 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 Paul Eggert.
    8: 
    9: # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
   10: # doesn't clash with <sys/types.h>, and declares uintmax_t.
   11: 
   12: AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
   13: [
   14:   AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
   15:     [AC_COMPILE_IFELSE(
   16:        [AC_LANG_PROGRAM(
   17:           [[
   18: #include <sys/types.h>
   19: #include <inttypes.h>
   20:           ]],
   21:           [[uintmax_t i = (uintmax_t) -1; return !i;]])],
   22:        [gl_cv_header_inttypes_h=yes],
   23:        [gl_cv_header_inttypes_h=no])])
   24:   if test $gl_cv_header_inttypes_h = yes; then
   25:     AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
   26:       [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
   27:        and declares uintmax_t. ])
   28:   fi
   29: ])