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[heimdal.git] / cf / retsigtype.m4
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1 dnl
2 dnl $Id$
3 dnl
4 dnl Figure out return type of signal handlers, and define SIGRETURN macro
5 dnl that can be used to return from one
6 dnl
7 AC_DEFUN([rk_RETSIGTYPE],[
8 AC_TYPE_SIGNAL
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
15 #else
16 #define SIGRETURN(x) return (RETSIGTYPE)(x)
17 #endif])