2 dnl $Id: retsigtype.m4,v 1.1 2000/07/15 18:05:56 joda Exp $
4 dnl Figure out return type of signal handlers, and define SIGRETURN macro
5 dnl that can be used to return from one
7 AC_DEFUN(rk_RETSIGTYPE,[
9 if test "$ac_cv_type_signal" = "void" ; then
10 AC_DEFINE(VOID_RETSIGTYPE, 1, [Define if signal handlers return void.])
12 AC_SUBST(VOID_RETSIGTYPE)
13 AH_BOTTOM([#ifdef VOID_RETSIGTYPE
14 #define SIGRETURN(x) return
16 #define SIGRETURN(x) return (RETSIGTYPE)(x)