NetBSD-5.0.2/crypto/dist/heimdal/cf/retsigtype.m4

dnl
dnl $Heimdal: retsigtype.m4 13338 2004-02-12 14:21:14Z lha $
dnl $NetBSD: retsigtype.m4,v 1.4 2008/03/22 08:36:58 mlelstv Exp $
dnl
dnl Figure out return type of signal handlers, and define SIGRETURN macro
dnl that can be used to return from one
dnl
AC_DEFUN([rk_RETSIGTYPE],[
AC_TYPE_SIGNAL
if test "$ac_cv_type_signal" = "void" ; then
	AC_DEFINE(VOID_RETSIGTYPE, 1, [Define if signal handlers return void.])
fi
AC_SUBST(VOID_RETSIGTYPE)
AH_BOTTOM([#ifdef VOID_RETSIGTYPE
#define SIGRETURN(x) return
#else
#define SIGRETURN(x) return (RETSIGTYPE)(x)
#endif])
])