+if(SSL MATCHES "openssl")
+ pkg_check_modules(SSLIMP REQUIRED openssl)
+else()
+ pkg_check_modules(SSLIMP REQUIRED polarssl)
+ set(USE_POLARSSL ON)
+endif()
+
+pkg_check_modules(LIBCONFIG libconfig)
+pkg_check_modules(LIBPROTOBUF libprotobuf-c)
+
+set(CMAKE_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} ${LIBCONFIG_LIDIR})
+set(CMAKE_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} ${LIBPROTOBUF_LIDIR})