My OS: Ubuntu 19.10.
I think it is a linking error:
/opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsGetCurrentPath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&): error: undefined reference to 'std::experimental::filesystem::v1::current_path[abi:cxx11]()' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsIsAbsolutePath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::path::_M_split_cmpts()' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsIsAbsolutePath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::path::has_root_directory() const' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsIsRegularFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::path::_M_split_cmpts()' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsIsRegularFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::status(std::experimental::filesystem::v1::__cxx11::path const&)' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsIsDirectory(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::path::_M_split_cmpts()' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsIsDirectory(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::status(std::experimental::filesystem::v1::__cxx11::path const&)' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsPathExists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::path::_M_split_cmpts()' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsPathExists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&): error: undefined reference to 'std::experimental::filesystem::v1::status(std::experimental::filesystem::v1::__cxx11::path const&)' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsGetParentPath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::path::parent_path() const' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsGetAbsolutePath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&): error: undefined reference to 'std::experimental::filesystem::v1::current_path[abi:cxx11]()' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsGetAbsolutePath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&): error: undefined reference to 'std::experimental::filesystem::v1::absolute(std::experimental::filesystem::v1::__cxx11::path const&, std::experimental::filesystem::v1::__cxx11::path const&)' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsFindFilesInPath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::directory_iterator::directory_iterator(std::experimental::filesystem::v1::__cxx11::path const&, std::experimental::filesystem::v1::directory_options, std::error_code*)' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsFindFilesInPath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::directory_iterator::operator*() const' /opt/lib/xr-openxr-sdk/lib/libopenxr_loader.a(filesystem_utils.cpp.o):filesystem_utils.cpp:function FileSysUtilsFindFilesInPath(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&): error: undefined reference to 'std::experimental::filesystem::v1::__cxx11::directory_iterator::operator++()' collect2: error: ld returned 1 exit status ninja: build stopped: subcommand failed. make: *** [GNUmakefile:315: all] Error 1
I updated libraries, then did a fresh build but the error still persist.
Any help would be appreciated, Thank you.
Cheers
