[*] Submods checks

CMakeLists.txt

@@ -2,7 +2,9 @@ cmake_minimum_required(VERSION 3.1)
 project (dap_udp_server C)
 
 if(NOT (${SUBMODULES_NO_BUILD} MATCHES ON))
-    add_subdirectory(libdap-server-core)
+    if ( NOT ( TARGET dap_core_server ) )
+        add_subdirectory(libdap-server-core)
+    endif()
     enable_testing()
     add_subdirectory(test)
 endif()

test/CMakeLists.txt

@@ -3,7 +3,9 @@ project(udp-server-test)
 
 set(CMAKE_C_STANDARD 11)
 
-add_subdirectory(libdap-test)
+if ( NOT ( TARGET dap_test ) )
+    add_subdirectory(libdap-test)
+endif()
 
 file(GLOB SRC *.h *.c)