cmake: Avoid double generating of dcop/tests files.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 83d02c95a1)

dcop/tests/CMakeLists.txt

@@ -30,24 +30,12 @@ tde_add_check_executable( dcop_test AUTOMOC
   DEPENDENCIES dcop_tests_generated
 )
 
-set_property(
-  SOURCE test.cpp
-  APPEND PROPERTY
-  OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/test_skel.cpp
-)
-
 tde_add_check_executable( driver AUTOMOC
   SOURCES driver.cpp ${CMAKE_CURRENT_BINARY_DIR}/test.stub
   LINK tdecore-shared
   DEPENDENCIES dcop_tests_generated
 )
 
-set_property(
-  SOURCE driver.cpp
-  APPEND PROPERTY
-  OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/test_stub.cpp
-)
-
 add_test( NAME "dcop/dcop-tests"
     COMMAND sh -x "${CMAKE_CURRENT_SOURCE_DIR}/run-tests.sh"
     WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" )
@@ -55,9 +43,14 @@ add_test( NAME "dcop/dcop-tests"
 set_tests_properties( dcop/dcop-tests PROPERTIES TIMEOUT 30)
 
 
-##### test.h and files ##########################
+##### generated files ###########################
 
-add_custom_target( dcop_tests_generated DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/test.h )
+add_custom_target( dcop_tests_generated
+  DEPENDS
+    ${CMAKE_CURRENT_BINARY_DIR}/test.h
+    ${CMAKE_CURRENT_BINARY_DIR}/test_skel.cpp
+    ${CMAKE_CURRENT_BINARY_DIR}/test_stub.cpp
+)
 
 add_custom_command(
   OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/test.h ${CMAKE_CURRENT_BINARY_DIR}/shell.generated