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