Adapt to gcc7

src/turbomind/utils/CMakeLists.txt

@@ -115,4 +115,4 @@ endif()
 add_library(tensor STATIC Tensor.cc)
 #set_property(TARGET tensor PROPERTY POSITION_INDEPENDENT_CODE  ON)
 #set_property(TARGET tensor PROPERTY CUDA_RESOLVE_DEVICE_SYMBOLS  ON)
-target_link_libraries(tensor PUBLIC cuda_utils logger)
+target_link_libraries(tensor PUBLIC cuda_utils logger -lstdc++fs)

src/turbomind/utils/Tensor.cc

@@ -22,7 +22,8 @@
 #include "stdlib.h"
 #include <cuda_fp16.h>
 #include <cuda_runtime_api.h>
-#include <filesystem>
+// #include <filesystem>
+#include <experimental/filesystem>
 #include <numeric>
 #include <stdlib.h>
 #include <string>
@@ -31,7 +32,8 @@
 #include <unordered_map>
 #include <vector>
 
-namespace fs = std::filesystem;
+// namespace fs = std::filesystem;
+namespace fs = std::experimental::filesystem;
 namespace turbomind {
 
 Tensor::Tensor():