Merge pull request #1247 from alalek:protobuf_sources

Author: vpisarev

modules/dnn/3rdparty/protobuf/CMakeLists.txt

@@ -2,8 +2,8 @@ if(WINRT)
   ocv_module_disable(dnn)
 endif()
 
-include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/OpenCVFindLibProtobuf.cmake)
-if(NOT DEFINED PROTOBUF_INCLUDE_DIR)
+include(${OpenCV_SOURCE_DIR}/cmake/OpenCVFindLibProtobuf.cmake)
+if(NOT Protobuf_FOUND)
   ocv_module_disable(opencv_dnn)
 endif()
 
@@ -37,28 +37,36 @@ if(ANDROID)
   add_definitions(-DDISABLE_POSIX_MEMALIGN -DTH_DISABLE_HEAP_TRACKING)
 endif()
 
-# ----------------------------------------------------------------------------
-# Resolve libprotobuf dependency
-# ----------------------------------------------------------------------------
-if(NOT PROTOBUF_FOUND)
-  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/protobuf "${PROTOBUF_CPP_PATH}")
-  add_definitions(-DHAVE_PROTOBUF=1)
+#supress warnings in autogenerated caffe.pb.* files
+add_definitions(-DHAVE_PROTOBUF=1)
+ocv_warnings_disable(CMAKE_CXX_FLAGS
+    -Wunused-parameter -Wundef -Wignored-qualifiers -Wno-enum-compare
+    -Wdeprecated-declarations
+    /wd4125 /wd4267 /wd4127 /wd4244 /wd4512 /wd4702
+    /wd4456 /wd4510 /wd4610 /wd4800
+    -wd858 -wd2196
+)
 
-  #supress warnings in autogenerated caffe.pb.* files
-  ocv_warnings_disable(CMAKE_CXX_FLAGS
-      -Wunused-parameter -Wundef -Wignored-qualifiers -Wno-enum-compare
-      -Wdeprecated-declarations
-      /wd4125 /wd4267 /wd4127 /wd4244 /wd4512 /wd4702
-      /wd4456 /wd4510 /wd4610 /wd4800
-      -wd858 -wd2196
-  )
+if(PROTOBUF_UPDATE_FILES)
+  file(GLOB proto_files src/tensorflow/*.proto)
+  list(APPEND proto_files src/caffe/caffe.proto)
+  PROTOBUF_GENERATE_CPP(Protobuf_HDRS Protobuf_SRCS ${proto_files})
+else()
+  file(GLOB fw_srcs ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow/*.cc)
+  file(GLOB fw_hdrs ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow/*.h)
+  list(APPEND fw_srcs ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe/caffe.pb.cc)
+  list(APPEND fw_hdrs ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe/caffe.pb.h)
+  list(APPEND Protobuf_SRCS ${fw_srcs})
+  list(APPEND Protobuf_HDRS ${fw_hdrs})
+  list(APPEND Protobuf_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe)
+  list(APPEND Protobuf_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow)
 endif()
 
-ocv_source_group("Src\\protobuf" FILES ${PROTOBUF_SRCS} ${PROTOBUF_HDRS})
-ocv_module_include_directories(include ${PROTOBUF_INCLUDE_DIR})
+ocv_source_group("Src\\protobuf" FILES ${Protobuf_SRCS} ${Protobuf_HDRS})
+ocv_module_include_directories(include ${Protobuf_INCLUDE_DIRS})
 
-ocv_glob_module_sources(${PROTOBUF_SRCS} ${PROTOBUF_HDRS} ${CBLAS_H_PROXY_PATH})
-ocv_create_module(${PROTOBUF_LIBRARIES} ${LAPACK_LIBRARIES})
+ocv_glob_module_sources(${Protobuf_SRCS} ${Protobuf_HDRS} ${CBLAS_H_PROXY_PATH})
+ocv_create_module(${Protobuf_LIBRARIES} ${LAPACK_LIBRARIES})
 ocv_add_samples()
 ocv_add_accuracy_tests()
 ocv_add_perf_tests()