Github #712: Use static libraries not object libraries for support library

 * .o files were being installed by cmake.

Change-Id: Ie2056e09b4800fe208d784a90f3908d508b8cadf
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
diff --git a/shim/sl/CMakeLists.txt b/shim/sl/CMakeLists.txt
index 6912640..e54101c 100644
--- a/shim/sl/CMakeLists.txt
+++ b/shim/sl/CMakeLists.txt
@@ -489,9 +489,9 @@
         canonical/SystemPropertiesUtils.hpp
         support_library_service.cpp)
 
-list(APPEND armnn_support_library_sources "$<TARGET_OBJECTS:Armnn::armnnUtilsObj>")
-list(APPEND armnn_support_library_sources "$<TARGET_OBJECTS:Armnn::armnnSerializerObj>")
 add_library(armnn_support_library SHARED ${armnn_support_library_sources})
+target_link_libraries(armnn_support_library PUBLIC Armnn::armnnUtils)
+target_link_libraries(armnn_support_library PUBLIC Armnn::armnnSerializer-static)
 
 target_link_libraries(armnn_support_library PUBLIC Armnn::Armnn)
 target_link_libraries(armnn_support_library PUBLIC profiling_library_headers)