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Updated project to build wwith C++20 and std::filesystem #68

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Updated project to build wwith C++20 and std::filesystem #68

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4 changes: 2 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.1)
cmake_minimum_required(VERSION 4.0)

project(cpp_dependencies LANGUAGES CXX)

Expand Down Expand Up @@ -45,7 +45,7 @@ elseif(WIN32)
endif()
set(CPACK_GENERATOR "${DEFAULT_CPACK_GENERATOR}" CACHE STRING "Package type to generate with CPack")

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)

if("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU)
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25 changes: 18 additions & 7 deletions src/FilesystemInclude.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,26 @@

#ifdef WITH_BOOST

#include <boost/filesystem.hpp>

namespace filesystem = boost::filesystem;
#include <boost/filesystem.hpp>
namespace filesystem = boost::filesystem;

#else

#include <experimental/filesystem>

namespace filesystem = std::experimental::filesystem;
# if __cplusplus >= 201703L
#include <filesystem>
namespace filesystem = std::filesystem;

// Code specific to C++17 or later
#define HAS_CPP17_FEATURES
# elif __cplusplus >= 201103L
#include <experimental/filesystem>
namespace filesystem = std::experimental::filesystem;

// Code specific to C++11 or later (but not C++17)
#define HAS_CPP11_FEATURES
# else
// Code for older C++ versions (e.g., C++98/03)
#pragma error("C++ version is too old, please use C++11 or later.")
# endif

#endif

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