Compiling matlab from sources now appears as a single target

modules/matlab/test/CMakeLists.txt

@@ -1,5 +1,28 @@
+# compile the test sources
+file(GLOB SOURCE_FILES "*.cpp")
+add_custom_target(opencv_test_matlab_sources ALL)
+foreach(SOURCE_FILE ${SOURCE_FILES})
+  get_filename_component(FILENAME ${SOURCE_FILE} NAME_WE)
+  # compile the source file using mex
+  add_custom_command(TARGET opencv_test_matlab_sources PRE_BUILD
+      COMMAND echo ${MATLAB_MEX_SCRIPT} ${MEX_INCLUDES}
+              ${SOURCE_FILE}
+      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+  )
+endforeach()
+
+# copy the test files into the build dir
+file(GLOB TEST_FILES "*.m")
+foreach(TEST_FILE ${TEST_FILES})
+  add_custom_command(TARGET opencv_test_matlab_sources PRE_BUILD
+      COMMAND ${CMAKE_COMMAND} -E
+      copy ${TEST_FILE} ${CMAKE_CURRENT_BINARY_DIR}
+  )
+endforeach()
+    
+
 # run the matlab test suite
-add_test(opencv_matlab_test
+add_test(opencv_test_matlab
     COMMAND ${MATLAB_BIN} "-nodisplay" "-r" "testsuite.m"
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
 )