coroutine: fix auto-link in config.hpp and update examples

[SVN r84996]

example/cpp11/fibonacci.cpp

@@ -0,0 +1,56 @@
+
+//          Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/coroutine/all.hpp>
+
+#ifdef BOOST_COROUTINES_UNIDIRECT
+int main()
+{
+    boost::coroutines::pull_coroutine< int > c(
+        [&]( boost::coroutines::push_coroutine< int > & c) {
+            int first = 1, second = 1;
+            for ( int i = 0; i < 10; ++i)
+            {
+                int third = first + second;
+                first = second;
+                second = third;
+                c( third);
+            }
+        });
+
+    for ( auto i : c)
+        std::cout << i <<  " ";
+
+    std::cout << "\nDone" << std::endl;
+
+    return EXIT_SUCCESS;
+}
+#else
+int main()
+{
+    boost::coroutines::coroutine< int() > c(
+        [&]( boost::coroutines::coroutine< void( int) > & c) {
+            int first = 1, second = 1;
+            for ( int i = 0; i < 10; ++i)
+            {
+                int third = first + second;
+                first = second;
+                second = third;
+                c( third);
+            }
+        });
+
+    for ( auto i : c)
+        std::cout << i <<  " ";
+
+    std::cout << "\nDone" << std::endl;
+
+    return EXIT_SUCCESS;
+}
+#endif