adapted required Boost version

Former-commit-id: 5d053091c6 [formerly d95625df84]
Former-commit-id: 8735338589

resources/3rdparty/CMakeLists.txt

@@ -63,8 +63,14 @@ set(Boost_USE_STATIC_LIBS        ${USE_BOOST_STATIC_LIBRARIES})
 set(Boost_USE_MULTITHREADED      ON)
 set(Boost_USE_STATIC_RUNTIME    OFF)
 
-find_package(Boost 1.57.0 QUIET REQUIRED COMPONENTS filesystem system)
-
+find_package(Boost 1.61.0 QUIET REQUIRED COMPONENTS filesystem system)
+if (NOT Boost_FOUND)
+    if (Boost_VERSION)
+	message(FATAL_ERROR "The required Boost version is 1.61.0 or newer, however, only ${Boost_VERSION} was found.")
+    else ()
+   	message(FATAL_ERROR "Boost was not found.")
+    endif ()
+endif ()
 if ((NOT Boost_LIBRARY_DIRS) OR ("${Boost_LIBRARY_DIRS}" STREQUAL ""))
     set(Boost_LIBRARY_DIRS "${Boost_INCLUDE_DIRS}/stage/lib")
 endif ()