Add CMAKE_POSITION_INDEPENDENT_CODE flag to QCA test for OSSL plugin

Author: dakcarto

cmake/QCAMacros.cmake

@@ -44,7 +44,10 @@ function(FIND_QCAOSSL_PLUGIN_CPP PLUGIN_REQUIRED)
 
     try_run(RUN_RESULT COMPILE_RESULT
       ${CMAKE_BINARY_DIR} ${TESTCPP}
-      CMAKE_FLAGS "-DCMAKE_CXX_STANDARD=11" "${QCA_INCLUDE_DIRECTORIES}" "${QCA_LINK_LIBRARIES}"
+      CMAKE_FLAGS "-DCMAKE_CXX_STANDARD=11"
+                  "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"
+                  "${QCA_INCLUDE_DIRECTORIES}"
+                  "${QCA_LINK_LIBRARIES}"
       COMPILE_OUTPUT_VARIABLE COMPILE_OUTPUT
     )