$OpenBSD: patch-configure_ac,v 1.2 2017/09/27 16:09:45 dcoppa Exp $

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -267,8 +267,7 @@ AC_CACHE_CHECK([whether va_lists can be copied by valu
 [[
 	#include <stdarg.h>
 	#include <stdlib.h>
-]],
-[[
+
 	void f (int i, ...) {
 	va_list args1, args2;
 	va_start (args1, i);
@@ -277,10 +276,9 @@ AC_CACHE_CHECK([whether va_lists can be copied by valu
 	  exit (1);
 	va_end (args1); va_end (args2);
 	}
-	int main() {
-	  f (0, 42);
-	  return 0;
-	}
+]],
+[[
+	f (0, 42);
 ]])],
 	[spectre_cv_va_val_copy=yes],
 	[spectre_cv_va_val_copy=no],
