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      1 # signed.m4 serial 1 (gettext-0.10.40)
      2 dnl Copyright (C) 2001-2002 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 
      9 AC_DEFUN([bh_C_SIGNED],
     10 [
     11   AC_CACHE_CHECK([for signed], bh_cv_c_signed,
     12    [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
     13   if test $bh_cv_c_signed = no; then
     14     AC_DEFINE(signed, ,
     15               [Define to empty if the C compiler doesn't support this keyword.])
     16   fi
     17 ])
     18