Patch to configure for 5.7

[Jerod Lycett]

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I am going to both attach and just include inline a small patch to the
configure file that has it false negative on detecting libstdc++ at
least on Ubuntu 10.04. This fix should let it work anywhere.
- --- configure.orig    2010-07-01 20:12:45.469359758 -0400
+++ configure   2010-07-01 20:11:49.370089277 -0400
@@ -14770,15 +14770,11 @@
 #line 14770 "configure"
 #include "confdefs.h"

- -#include <strstream.h>
- -int
- -main ()
+#include <strstream>
+int main ()
 {
- -
- -char buf[80];
- -strstreambuf foo(buf, sizeof(buf))
- -
- -  ;
+  char buf[80];
+  std::strstreambuf foo(buf, sizeof(buf));
   return 0;
 }
 _ACEOF

- -- 
Jerod Lycett
https://arenlor.com/about.php
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configure.diff
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