WITH_LIBRARY usage

closes #1146. Need to be checked before.

build/CMakeLists.txt

@@ -94,6 +94,8 @@ endif()
 
 add_library(libi2pd ${LIBI2PD_SRC})
 set_target_properties(libi2pd PROPERTIES PREFIX "")
+
+if (WITH_LIBRARY)
   install(TARGETS libi2pd
     EXPORT libi2pd
     ARCHIVE DESTINATION lib
@@ -102,6 +104,7 @@ install(TARGETS libi2pd
 # TODO Make libi2pd available to 3rd party projects via CMake as imported target
 # FIXME This pulls stdafx
 # install(EXPORT libi2pd DESTINATION ${CMAKE_INSTALL_LIBDIR})
+endif()
 
 set (CLIENT_SRC
   "${LIBI2PD_CLIENT_SRC_DIR}/AddressBook.cpp"
@@ -120,13 +123,17 @@ set (CLIENT_SRC
 if(WITH_WEBSOCKETS)
   list (APPEND CLIENT_SRC "${LIBI2PD_CLIENT_SRC_DIR}/Websocket.cpp")
 endif ()
+
 add_library(libi2pdclient ${CLIENT_SRC})
 set_target_properties(libi2pdclient PROPERTIES PREFIX "")
+
+if (WITH_LIBRARY)
   install(TARGETS libi2pdclient
     EXPORT libi2pdclient
     ARCHIVE DESTINATION lib
     LIBRARY DESTINATION lib
     COMPONENT Libraries)
+endif()
 
 set(DAEMON_SRC_DIR ../daemon)