Fix install with external protobuf

60c26f8f · Georgy Mironov · 0ffc1866 · 60c26f8f
Commit 60c26f8f authored Oct 04, 2018 by Georgy Mironov
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OpenCVFindProtobuf.cmake cmake/OpenCVFindProtobuf.cmake +4 -2

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--- a/cmake/OpenCVFindProtobuf.cmake
+++ b/cmake/OpenCVFindProtobuf.cmake
@@ -44,8 +44,10 @@ else()

  if(Protobuf_FOUND)
    if(TARGET protobuf::libprotobuf)
-      add_library(libprotobuf INTERFACE)
-      target_link_libraries(libprotobuf INTERFACE protobuf::libprotobuf)
+      add_library(libprotobuf INTERFACE IMPORTED)
+      set_target_properties(libprotobuf PROPERTIES
+        INTERFACE_LINK_LIBRARIES protobuf::libprotobuf
+      )
    else()
      add_library(libprotobuf UNKNOWN IMPORTED)
      set_target_properties(libprotobuf PROPERTIES