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confuse 2.7

    1: # inttypes_h.m4 serial 7
    2: dnl Copyright (C) 1997-2004, 2006 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_TRY_COMPILE(
   16:     [#include <sys/types.h>
   17: #include <inttypes.h>],
   18:     [uintmax_t i = (uintmax_t) -1; return !i;],
   19:     gl_cv_header_inttypes_h=yes,
   20:     gl_cv_header_inttypes_h=no)])
   21:   if test $gl_cv_header_inttypes_h = yes; then
   22:     AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
   23:       [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
   24:        and declares uintmax_t. ])
   25:   fi
   26: ])