[SWDEV-538483] Fix C++17 fs linking for GCC<9.0

Added check for GCC versions prior to 9.0 and
link with libstdc++fs when needed. This fixes
undefined symbols on older systems like Deb10
with GCC 8.3.0.

Signed-off-by: Bindhiya Kanangot Balakrishnan <Bindhiya.KanangotBalakrishnan@amd.com>
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>


[ROCm/amdsmi commit: e1b3d5f02e]

projects/amdsmi/tests/amd_smi_test/CMakeLists.txt

@@ -61,12 +61,7 @@ include_directories(${TEST} ${CMAKE_CURRENT_SOURCE_DIR}/.. ${ROCM_INC_DIR}/..)
 
 # Build rules
 add_executable(${TEST} ${tstSources} ${functionalSources})
-target_link_libraries(${TEST} ${AMD_SMI} GTest::gtest c stdc++ pthread)
-
-if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
-    AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9")
-  target_link_libraries(${TEST} stdc++fs)
-endif()
+target_link_libraries(${TEST} ${AMD_SMI} GTest::gtest c stdc++ pthread ${FILESYSTEM_LIB})
 
 # Install tests
 install(