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#serial 1
dnl From Bruno Haible.
AC_DEFUN([bh_C_SIGNED],
[
AC_CACHE_CHECK([for signed], bh_cv_c_signed,
[AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
if test $bh_cv_c_signed = no; then
AC_DEFINE(signed, ,
[Define to empty if the C compiler doesn't support this keyword.])
fi
])
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