[cmake] Remove quotes that was making it hard for cmake to find newer boost versions. fixes #855

Author: Peter Thorson

CMakeLists.txt

@@ -215,7 +215,7 @@ if (BUILD_TESTS OR BUILD_EXAMPLES)
     set (Boost_USE_MULTITHREADED TRUE)
     set (Boost_ADDITIONAL_VERSIONS "1.39.0" "1.40.0" "1.41.0" "1.42.0" "1.43.0" "1.44.0" "1.46.1") # todo: someone who knows better spesify these!
 
-    find_package (Boost 1.39.0 COMPONENTS "${WEBSOCKETPP_BOOST_LIBS}")
+    find_package (Boost 1.39.0 COMPONENTS ${WEBSOCKETPP_BOOST_LIBS})
 
     if (Boost_FOUND)
         # Boost is a project wide global dependency.

changelog.md

@@ -12,6 +12,9 @@ HEAD
 - CMake: Fix typo in CMakeLists.txt that caused CXX_FLAGS to be improperly
   quoted. Removed unnecessary hardcoded dependency on libc++ for clang.
   Thank you kraj for reporting and a patch. #859
+- CMake: Fix issue in CMakeLists.txt that caused boost dependencies to be
+  seen as a single library rather than multiple. Thank you Gianfranco
+  Costamagna for reporting and a patch. #855
 
 0.8.2 - 2020-04-19
 - Examples: Update print_client_tls example to remove use of deprecated