File 0001-Include-filesystem-from-experimental-for-G... of Package netgen

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File 0001-Include-filesystem-from-experimental-for-GCC-7.patch of Package netgen

From b74697b6151f78b3952c8378f98ecbff3b6f9f73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Wed, 13 Jul 2022 15:58:16 +0200
Subject: [PATCH] Include filesystem from experimental for GCC 7

diff --git a/libsrc/core/archive.hpp b/libsrc/core/archive.hpp
index 4271e725..a4dee54b 100644
--- a/libsrc/core/archive.hpp
+++ b/libsrc/core/archive.hpp
@@ -5,7 +5,13 @@
 #include <array>                // for array
 #include <complex>              // for complex
 #include <cstring>              // for size_t, strlen
-#include <filesystem>           // for path
+#if defined(__GNUC__) && (__GNUC__ < 8)
+#include <experimental/filesystem>
+namespace filesystem = std::experimental::filesystem;
+#else
+#include <filesystem>           // for filesystem::path
+namespace filesystem = std::filesystem;
+#endif
 #include <fstream>              // for ifstream, ofstream
 #include <functional>           // for function
 #include <map>                  // for map
@@ -741,7 +747,7 @@ namespace ngcore
     BinaryOutArchive(std::shared_ptr<std::ostream>&& astream)
       : Archive(true), stream(std::move(astream))
     { }
-    BinaryOutArchive(const std::filesystem::path& filename)
+    BinaryOutArchive(const filesystem::path& filename)
       : BinaryOutArchive(std::make_shared<std::ofstream>(filename)) {}
     ~BinaryOutArchive () override { FlushBuffer(); }
 
@@ -829,7 +835,7 @@ namespace ngcore
     BinaryInArchive (std::shared_ptr<std::istream>&& astream)
       : Archive(false), stream(std::move(astream))
     { }
-    BinaryInArchive (const std::filesystem::path& filename)
+    BinaryInArchive (const filesystem::path& filename)
       : BinaryInArchive(std::make_shared<std::ifstream>(filename)) { ; }
 
     using Archive::operator&;
@@ -904,7 +910,7 @@ namespace ngcore
     TextOutArchive (std::shared_ptr<std::ostream>&& astream)
       : Archive(true), stream(std::move(astream))
     { }
-    TextOutArchive (const std::filesystem::path& filename) :
+    TextOutArchive (const filesystem::path& filename) :
       TextOutArchive(std::make_shared<std::ofstream>(filename)) { }
 
     using Archive::operator&;
@@ -959,7 +965,7 @@ namespace ngcore
     TextInArchive (std::shared_ptr<std::istream>&& astream) :
       Archive(false), stream(std::move(astream))
     { }
-    TextInArchive (const std::filesystem::path& filename)
+    TextInArchive (const filesystem::path& filename)
       : TextInArchive(std::make_shared<std::ifstream>(filename)) {}
 
     using Archive::operator&;
diff --git a/libsrc/core/utils.cpp b/libsrc/core/utils.cpp
index 62d4d136..184342ae 100644
--- a/libsrc/core/utils.cpp
+++ b/libsrc/core/utils.cpp
@@ -7,8 +7,6 @@
 #include <cxxabi.h>
 #endif
 #include <array>
-#include <filesystem>
-#include <iostream>
 #include <regex>
 
 #include "ngstream.hpp"
@@ -112,10 +110,10 @@ namespace ngcore
 #endif
   }
 
-  NGCORE_API std::filesystem::path GetTempFilename()
+  NGCORE_API filesystem::path GetTempFilename()
   {
       static int counter = 0;
-      auto path = std::filesystem::temp_directory_path();
+      auto path = filesystem::temp_directory_path();
       path += ".temp_netgen_file_"+ToString(counter++)+"_"+ToString(GetTimeCounter());
       return path;
   }
diff --git a/libsrc/core/utils.hpp b/libsrc/core/utils.hpp
index d072be47..32f4c9f6 100644
--- a/libsrc/core/utils.hpp
+++ b/libsrc/core/utils.hpp
@@ -3,7 +3,13 @@
 
 #include <atomic>
 #include <chrono>
+#if defined(__GNUC__) && (__GNUC__ < 8)
+#include <experimental/filesystem>
+namespace filesystem = std::experimental::filesystem;
+#else
 #include <filesystem>
+namespace filesystem = std::filesystem;
+#endif
 #include <map>
 #include <ostream>
 #include <sstream>
@@ -96,11 +102,6 @@ namespace ngcore
     return res;
   }
 
-  inline std::string ToLower( const std::filesystem::path & p )
-  {
-    return ToLower(p.string());
-  }
-
   template<typename T1, typename T2>
   std::ostream& operator << (std::ostream& ost, const std::map<T1,T2>& map)
   {
@@ -221,7 +222,7 @@ namespace ngcore
   NGCORE_API int GetCompiledSIMDSize();
   NGCORE_API bool IsRangeCheckEnabled();
 
-  NGCORE_API std::filesystem::path GetTempFilename();
+  NGCORE_API filesystem::path GetTempFilename();
 
 } // namespace ngcore
 
diff --git a/libsrc/general/mystring.hpp b/libsrc/general/mystring.hpp
index ee364d77..5eb39df9 100644
--- a/libsrc/general/mystring.hpp
+++ b/libsrc/general/mystring.hpp
@@ -19,7 +19,12 @@
 #ifndef MYSTRING__H
 #define MYSTRING__H
 
+#if defined(__GNUC__) && (__GNUC__ < 8)
+#include <experimental/filesystem>
+namespace filesystem = std::experimental::filesystem;
+#else
 #include <filesystem>
+#endif
 
 namespace netgen
 {
diff --git a/libsrc/meshing/meshclass.hpp b/libsrc/meshing/meshclass.hpp
index 0d063963..5f278107 100644
--- a/libsrc/meshing/meshclass.hpp
+++ b/libsrc/meshing/meshclass.hpp
@@ -11,7 +11,12 @@
   The mesh class
 */
 
-#include<filesystem>
+#if defined(__GNUC__) && (__GNUC__ < 8)
+#include <experimental/filesystem>
+namespace filesystem = std::experimental::filesystem;
+#else
+#include <filesystem>
+#endif
 
 namespace netgen
 {
-- 
2.37.0

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File 0001-Include-filesystem-from-experimental-for-GCC-7.patch of Package netgen

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