Fix dependencies inference for auto-disabled targets

Sometimes information about dependencies causing disabling were loosed and it
was not possible to correctly display these dependencies in status report

CMakeLists.txt

@@ -551,7 +551,11 @@ foreach(m ${OPENCV_MODULES_DISABLED_AUTO})
       list(APPEND __mdeps ${d})
     endif()
   endforeach()
-  list(APPEND OPENCV_MODULES_DISABLED_AUTO_ST "${m}(deps: ${__mdeps})")
+  if(__mdeps)
+    list(APPEND OPENCV_MODULES_DISABLED_AUTO_ST "${m}(deps: ${__mdeps})")
+  else()
+    list(APPEND OPENCV_MODULES_DISABLED_AUTO_ST "${m}")
+  endif()
 endforeach()
 string(REPLACE "opencv_" "" OPENCV_MODULES_DISABLED_AUTO_ST  "${OPENCV_MODULES_DISABLED_AUTO_ST}")
 

cmake/OpenCVModule.cmake

@@ -174,6 +174,7 @@ endmacro()
 
 # Internal macro; partly disables OpenCV module
 macro(__ocv_module_turn_off the_module)
+  list(REMOVE_ITEM OPENCV_MODULES_DISABLED_AUTO "${the_module}")
   list(APPEND OPENCV_MODULES_DISABLED_AUTO "${the_module}")
   list(REMOVE_ITEM OPENCV_MODULES_BUILD "${the_module}")
   list(REMOVE_ITEM OPENCV_MODULES_PUBLIC "${the_module}")
@@ -193,7 +194,7 @@ macro(__ocv_flatten_module_required_dependencies the_module)
       break()
     elseif(";${OPENCV_MODULES_DISABLED_USER};${OPENCV_MODULES_DISABLED_AUTO};" MATCHES ";${__dep};")
       __ocv_module_turn_off(${the_module}) # depends on disabled module
-      break()
+      list(APPEND __flattened_deps "${__dep}")
     elseif(";${OPENCV_MODULES_BUILD};" MATCHES ";${__dep};")
       if(";${__resolved_deps};" MATCHES ";${__dep};")
         list(APPEND __flattened_deps "${__dep}") # all dependencies of this module are already resolved
@@ -262,6 +263,7 @@ macro(__ocv_flatten_module_dependencies)
   foreach(m ${OPENCV_MODULES_BUILD})
     set(HAVE_${m} ON CACHE INTERNAL "Module ${m} will be built in current configuration")
     __ocv_flatten_module_required_dependencies(${m})
+    set(OPENCV_MODULE_${m}_DEPS ${OPENCV_MODULE_${m}_DEPS} CACHE INTERNAL "Flattened required dependencies of ${m} module")
   endforeach()
 
   foreach(m ${OPENCV_MODULES_BUILD})
@@ -286,7 +288,7 @@ macro(__ocv_flatten_module_dependencies)
   ocv_list_unique(OPENCV_MODULES_BUILD_)
 
   set(OPENCV_MODULES_PUBLIC        ${OPENCV_MODULES_PUBLIC}        CACHE INTERNAL "List of OpenCV modules marked for export")
-  set(OPENCV_MODULES_BUILD         ${OPENCV_MODULES_BUILD_}         CACHE INTERNAL "List of OpenCV modules included into the build")
+  set(OPENCV_MODULES_BUILD         ${OPENCV_MODULES_BUILD_}        CACHE INTERNAL "List of OpenCV modules included into the build")
   set(OPENCV_MODULES_DISABLED_AUTO ${OPENCV_MODULES_DISABLED_AUTO} CACHE INTERNAL "List of OpenCV modules implicitly disabled due to dependencies")
 endmacro()