--- autoconf-2.13/acgeneral.m4.orig	Thu Jul 26 15:13:37 2001
+++ autoconf-2.13/acgeneral.m4	Thu Jul 26 15:14:00 2001
@@ -1988,12 +1988,12 @@
 AC_MSG_CHECKING(size of $1)
 AC_CACHE_VAL(AC_CV_NAME,
 [AC_TRY_RUN([#include <stdio.h>
-main()
+int main()
 {
   FILE *f=fopen("conftestval", "w");
-  if (!f) exit(1);
+  if (!f) return(1);
   fprintf(f, "%d\n", sizeof($1));
-  exit(0);
+  return(0);
 }], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
 AC_MSG_RESULT($AC_CV_NAME)
 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)