Restore global OpenMP linking

Author: allnes

CMakeLists.txt

@@ -43,6 +43,7 @@ find_package(OpenMP REQUIRED COMPONENTS CXX)
 if(OpenMP_FOUND)
     message(STATUS "OpenMP found - enabling parallel support")
     add_definitions(-DHAS_OPENMP)
+    link_libraries(OpenMP::OpenMP_CXX)
 else()
     message(STATUS "OpenMP not found - parallel features disabled")
 endif()