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-rw-r--r--Modules/FindProtobuf.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/FindProtobuf.cmake b/Modules/FindProtobuf.cmake
index f6d8fe3100..4bf54efe3c 100644
--- a/Modules/FindProtobuf.cmake
+++ b/Modules/FindProtobuf.cmake
@@ -388,7 +388,7 @@ function(_protobuf_find_libraries name filename)
select_library_configurations(${name})
- if(UNIX AND Threads_FOUND)
+ if(UNIX AND Threads_FOUND AND ${name}_LIBRARY)
list(APPEND ${name}_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
endif()