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.
7 dnl From Bruno Haible.
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 ])