In case it helps track down the source of this, I get the same error. test.c: --------------- #include <iostream> #include <boost/filesystem/path.hpp> #include <boost/filesystem/convenience.hpp> namespace fs = boost::filesystem; int main() { fs::wpath mypath(L"/tmp/some/directory"); fs::create_directories(mypath); } --------------- program output: --------------- terminate called after throwing an instance of 'boost::filesystem::basic_filesystem_error<boost::filesystem::basic_path<std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >, boost::filesystem::wpath_traits> >' what(): boost::filesystem::wpath::to_external conversion error Aborted --------------- gdb backtrace: --------------- (gdb) backtrace #0 0xb7fd7410 in __kernel_vsyscall () #1 0xb7d6c085 in raise () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7d6da01 in abort () from /lib/tls/i686/cmov/libc.so.6 #3 0xb7f7c480 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/libstdc++.so.6 #4 0xb7f79d05 in ?? () from /usr/lib/libstdc++.so.6 #5 0xb7f79d42 in std::terminate () from /usr/lib/libstdc++.so.6 #6 0xb7f79e6a in __cxa_throw () from /usr/lib/libstdc++.so.6 #7 0xb7fbc15e in boost::filesystem::wpath_traits::to_external () from /usr/lib/libboost_filesystem-gcc42-1_34_1.so.1.34.1 #8 0x0804abe7 in boost::filesystem::basic_path<std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >, boost::filesystem::wpath_traits>::external_file_string (this=0xbfdffb9c) at /usr/include/boost/filesystem/path.hpp:302 #9 0x0804b35d in boost::filesystem::exists<boost::filesystem::basic_path<std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >, boost::filesystem::wpath_traits> > (ph=@0xbfdffb9c) at /usr/include/boost/filesystem/operations.hpp:279 #10 0x0804b49d in boost::filesystem::exists (ph=@0xbfdffb9c) at /usr/include/boost/filesystem/operations.hpp:601 #11 0x0804ba1d in boost::filesystem::create_directories<boost::filesystem::basic_path<std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >, boost::filesystem::wpath_traits> > ( ph=@0xbfdffb9c) at /usr/include/boost/filesystem/convenience.hpp:42 #12 0x0804bbb9 in boost::filesystem::create_directories (ph=@0xbfdffb9c) at /usr/include/boost/filesystem/convenience.hpp:88 #13 0x0804a3e0 in main () at test.c:9 --------------- GCC 4.2.3 Ubuntu 8.10 (Hardy Heron) en_US.UTF-8 Locale Boost 1.34.1 --Yarias -- View this message in context: http://www.nabble.com/-filesystem--Problems-with-wpath-on-Linux-tp15086495p1... Sent from the Boost - Dev mailing list archive at Nabble.com.