Eliminated packed precompiled Caffe protobuf sources

modules/dnn/cmake/OpenCVFindLibProtobuf.cmake

@@ -23,20 +23,11 @@ else()
   endif()
 
   set(PROTOBUF_LIBRARIES libprotobuf)
-  set(PROTOBUF_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/protobuf/src ${CMAKE_CURRENT_BINARY_DIR})
-  set(PROTOBUF_SRCS ${CMAKE_CURRENT_BINARY_DIR}/caffe.pb.cc)
-  set(PROTOBUF_HDRS ${CMAKE_CURRENT_BINARY_DIR}/caffe.pb.h)
+  set(PROTOBUF_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/protobuf/src ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe)
+  set(PROTOBUF_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe/caffe.pb.cc)
+  set(PROTOBUF_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe/caffe.pb.h)
   add_definitions(-DHAVE_PROTOBUF=1)
 
-  add_custom_command(
-    OUTPUT ${PROTOBUF_SRCS} ${PROTOBUF_HDRS}
-    COMMAND ${CMAKE_COMMAND} -E tar xzf ${CMAKE_CURRENT_SOURCE_DIR}/src/caffe/compiled/caffe.tar.gz
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    COMMENT "Unpacking compiled caffe protobuf files"
-    VERBATIM
-  )
-  set_source_files_properties(${PROTOBUF_SRCS} ${PROTOBUF_HDRS} PROPERTIES GENERATED TRUE)
-
   #supress warnings in autogenerated caffe.pb.* files
   ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-parameter)
   ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4125 /wd4267 /wd4127 /wd4244 /wd4512 /wd4702)