Before this change, the variable PROTOBUF_LIBRARIES might get redundant
value for debug and optimized configurations, e.g.
'optimized;/usr/lib/libprotobuf.so;debug;/usr/lib/libprotobuf.so'
---
 Modules/FindProtobuf.cmake | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/Modules/FindProtobuf.cmake b/Modules/FindProtobuf.cmake
index 2f13b09..57c6e62 100644
--- a/Modules/FindProtobuf.cmake
+++ b/Modules/FindProtobuf.cmake
@@ -213,6 +213,8 @@ endif()
 # Internal function: search for normal library as well as a debug one
 #    if the debug one is specified also include debug/optimized keywords
 #    in *_LIBRARIES variable
+include(SelectLibraryConfigurations)
+
 function(_protobuf_find_libraries name filename)
    find_library(${name}_LIBRARY
        NAMES ${filename}
@@ -224,18 +226,10 @@ function(_protobuf_find_libraries name filename)
        PATHS ${PROTOBUF_SRC_ROOT_FOLDER}/vsprojects/${_PROTOBUF_ARCH_DIR}Debug)
    mark_as_advanced(${name}_LIBRARY_DEBUG)
 
-   if(NOT ${name}_LIBRARY_DEBUG)
-      # There is no debug library
-      set(${name}_LIBRARY_DEBUG ${${name}_LIBRARY} PARENT_SCOPE)
-      set(${name}_LIBRARIES     ${${name}_LIBRARY} PARENT_SCOPE)
-   else()
-      # There IS a debug library
-      set(${name}_LIBRARIES
-          optimized ${${name}_LIBRARY}
-          debug     ${${name}_LIBRARY_DEBUG}
-          PARENT_SCOPE
-      )
-   endif()
+   select_library_configurations(${name})
+   set(${name}_LIBRARY_DEBUG ${${name}_LIBRARY_DEBUG} PARENT_SCOPE)
+   set(${name}_LIBRARY ${${name}_LIBRARY} PARENT_SCOPE)
+   set(${name}_LIBRARIES ${${name}_LIBRARIES} PARENT_SCOPE)
 endfunction()
 
 # Internal function: find threads library
-- 
1.9.1

-- 

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