From f6bcb86a6cdeac3246466f438e6697643ffd4f01 Mon Sep 17 00:00:00 2001
From: Howard Butler <hobu.inc@gmail.com>
Date: Wed, 10 Jul 2013 16:09:38 -0500
Subject: [PATCH] Implement conditional cmake configuration for echo_server_tls

---
 CMakeLists.txt                          |  3 ++-
 cmake/CMakeHelpers.cmake                |  4 ++++
 examples/echo_server_tls/CMakeLists.txt | 15 +++++++++++++++
 3 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 examples/echo_server_tls/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 878c7eaedc..53ff4e4ac4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -204,7 +204,8 @@ if (BUILD_TESTS OR BUILD_EXAMPLES)
     else ()
         message (FATAL_ERROR "Failed to find required dependency: boost")
     endif ()
-
+    
+    find_package(OpenSSL)
 endif()
 
 ############ Add projects
diff --git a/cmake/CMakeHelpers.cmake b/cmake/CMakeHelpers.cmake
index 411829cbcd..0a23905e89 100644
--- a/cmake/CMakeHelpers.cmake
+++ b/cmake/CMakeHelpers.cmake
@@ -72,3 +72,7 @@ endmacro ()
 macro (link_boost)
     target_link_libraries (${TARGET_NAME} ${Boost_LIBRARIES})
 endmacro ()
+
+macro (link_openssl)
+    target_link_libraries (${TARGET_NAME} ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
+endmacro ()
diff --git a/examples/echo_server_tls/CMakeLists.txt b/examples/echo_server_tls/CMakeLists.txt
new file mode 100644
index 0000000000..619ac41ff9
--- /dev/null
+++ b/examples/echo_server_tls/CMakeLists.txt
@@ -0,0 +1,15 @@
+    
+file (GLOB SOURCE_FILES *.cpp)
+file (GLOB HEADER_FILES *.hpp)
+
+
+if (OPENSSL_FOUND)
+    
+init_target (echo_server_tls)
+
+build_executable (${TARGET_NAME} ${SOURCE_FILES} ${HEADER_FILES})
+
+link_boost ()
+link_openssl()
+final_target ()
+endif()
\ No newline at end of file