games-arcade:tuxdash-0.8:20161117-085852.log

games-arcade:tuxdash-0.8:20161117-085852.log (text/plain), 120.32 KB, created by Toralf Förster on 2016-11-17 09:06:44 UTC

 * Package:    games-arcade/tuxdash-0.8
 * Repository: gentoo
 * Maintainer: [e-mail]
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking tuxdash_src_0.8.tar.bz2 to /var/tmp/portage/games-arcade/tuxdash-0.8/work
>>> Source unpacked in /var/tmp/portage/games-arcade/tuxdash-0.8/work
>>> Preparing source in /var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8 ...
 * Applying tuxdash-0.8-ldflags.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8 ...
make -j1 'E_CXXFLAGS=-Werror=terminate -march=native -O2 -pipe' -C src 
make: Entering directory '/var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8/src'
x86_64-pc-linux-gnu-g++ main.cpp -Wl,-O1 -Wl,--as-needed -Werror=terminate -march=native -O2 -pipe `/usr/bin/sdl-config --libs --cflags` -lSDL_ttf  -o ../tuxdash
In file included from surface.h:77:0,
                 from main.cpp:52:
surface.cpp: In member function ‘void surface::font_init(const ostring&, const ostring&, int, int, int, int)’:
surface.cpp:95:31: warning: narrowing conversion of ‘r’ from ‘int’ to ‘Uint8 {aka unsigned char}’ inside { } [-Wnarrowing]
  SDL_Color color = {r, g, b, 0};
                               ^
surface.cpp:95:31: warning: narrowing conversion of ‘g’ from ‘int’ to ‘Uint8 {aka unsigned char}’ inside { } [-Wnarrowing]
surface.cpp:95:31: warning: narrowing conversion of ‘b’ from ‘int’ to ‘Uint8 {aka unsigned char}’ inside { } [-Wnarrowing]
surface.cpp: In static member function ‘static void surface::ttf_write(const ostring&, int, int, int, int, rect&)’:
surface.cpp:121:31: warning: narrowing conversion of ‘r’ from ‘int’ to ‘Uint8 {aka unsigned char}’ inside { } [-Wnarrowing]
  SDL_Color farbe = {r, g, b, 0};
                               ^
surface.cpp:121:31: warning: narrowing conversion of ‘g’ from ‘int’ to ‘Uint8 {aka unsigned char}’ inside { } [-Wnarrowing]
surface.cpp:121:31: warning: narrowing conversion of ‘b’ from ‘int’ to ‘Uint8 {aka unsigned char}’ inside { } [-Wnarrowing]
In file included from main.cpp:58:0:
menu.cpp: In member function ‘void menu_mgm::draw_custom()’:
menu.cpp:899:137: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  3, 35, 25, text_color2.r, text_color2.g, text_color2.b, 1, true, "magicwall");
                                                                              ^
menu.cpp:903:139: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  3, 35, 25, text_color2.r, text_color2.g, text_color2.b, 1, true, "magicwall");
                                                                              ^
menu.cpp:910:137: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
 3, 35, 25, text_color2.r, text_color2.g, text_color2.b, 1, true, "lavaselect");
                                                                              ^
menu.cpp:914:136: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
 3, 35, 25, text_color2.r, text_color2.g, text_color2.b, 1, true, "lavaselect");
                                                                              ^
menu.cpp: In member function ‘void menu_mgm::draw_options()’:
menu.cpp:1019:142: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  40, 25, text_color2.r, text_color2.g, text_color2.b, 1, true, "windowselect");
                                                                              ^
menu.cpp:1023:142: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  40, 25, text_color2.r, text_color2.g, text_color2.b, 1, true, "windowselect");
                                                                              ^
menu.cpp:1030:158: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  25, text_color2.r, text_color2.g, text_color2.b, 3, true, "fullscreenselect");
                                                                              ^
In file included from main.cpp:59:0:
map.cpp: In member function ‘int map::copymap(const ostring&)’:
map.cpp:349:13: error: no match for ‘operator==’ (operand types are ‘std::ifstream {aka std::basic_ifstream<char>}’ and ‘int’)
  if(in_file == 0) { // error checking
     ~~~~~~~~^~~~
map.cpp:349:13: note: candidate: operator==(int, int) <built-in>
map.cpp:349:13: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘int’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iosfwd:40:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::fpos<_StateT>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   mismatched types ‘const _CharT*’ and ‘std::basic_ifstream<char>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(in_file == 0) { // error checking
                ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:46:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_condition&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
   operator==(const error_condition& __lhs,
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_condition&’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_facets.h:48:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_ios.h:37,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:44,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:349:16: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
  if(in_file == 0) { // error checking
                ^
map.cpp:355:14: error: no match for ‘operator==’ (operand types are ‘std::ofstream {aka std::basic_ofstream<char>}’ and ‘int’)
  if(out_file == 0) { // error checking
     ~~~~~~~~~^~~~
map.cpp:355:14: note: candidate: operator==(int, int) <built-in>
map.cpp:355:14: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘int’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iosfwd:40:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::fpos<_StateT>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   mismatched types ‘const _CharT*’ and ‘std::basic_ofstream<char>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(out_file == 0) { // error checking
                 ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:46:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
   operator==(const error_condition& __lhs,
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_facets.h:48:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_ios.h:37,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:44,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
In file included from main.cpp:59:0:
map.cpp:355:17: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
  if(out_file == 0) { // error checking
                 ^
map.cpp: In member function ‘int map::savemap(const ostring&, bool)’:
map.cpp:393:11: error: no match for ‘operator==’ (operand types are ‘std::ofstream {aka std::basic_ofstream<char>}’ and ‘long int’)
   if(file == NULL) {
           ^
map.cpp:393:11: note: candidate: operator==(int, long int) <built-in>
map.cpp:393:11: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘int’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iosfwd:40:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::fpos<_StateT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   mismatched types ‘const _CharT*’ and ‘std::basic_ofstream<char>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:46:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
   operator==(const error_condition& __lhs,
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_facets.h:48:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_ios.h:37,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:44,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:393:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
   if(file == NULL) {
              ^
In file included from main.cpp:59:0:
map.cpp:405:11: error: no match for ‘operator==’ (operand types are ‘std::ofstream {aka std::basic_ofstream<char>}’ and ‘long int’)
   if(file == NULL) {
           ^
map.cpp:405:11: note: candidate: operator==(int, long int) <built-in>
map.cpp:405:11: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘int’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iosfwd:40:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::fpos<_StateT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   mismatched types ‘const _CharT*’ and ‘std::basic_ofstream<char>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
   if(file == NULL) {
              ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:46:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
   operator==(const error_condition& __lhs,
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_facets.h:48:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_ios.h:37,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:44,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
map.cpp:405:14: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
   if(file == NULL) {
              ^
main.cpp: In function ‘void writeconfig(const map&)’:
main.cpp:69:12: error: no match for ‘operator==’ (operand types are ‘std::ofstream {aka std::basic_ofstream<char>}’ and ‘long int’)
  if(config == NULL) { // error check
            ^
main.cpp:69:12: note: candidate: operator==(int, long int) <built-in>
main.cpp:69:12: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘int’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iosfwd:40:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::fpos<_StateT>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   mismatched types ‘const _CharT*’ and ‘std::basic_ofstream<char>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(config == NULL) { // error check
               ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:46:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
   operator==(const error_condition& __lhs,
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note:   no known conversion for argument 1 from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘const std::error_condition&’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_facets.h:48:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_ios.h:37,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:44,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/iconv.h:23:0,
                 from /usr/include/SDL/SDL_stdinc.h:74,
                 from /usr/include/SDL/SDL_main.h:26,
                 from /usr/include/SDL/SDL.h:30,
                 from main.cpp:38:
main.cpp:69:15: note:   ‘std::ofstream {aka std::basic_ofstream<char>}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
  if(config == NULL) { // error check
               ^
main.cpp: In function ‘void readconfig(map&)’:
main.cpp:127:11: error: no match for ‘operator==’ (operand types are ‘std::ifstream {aka std::basic_ifstream<char>}’ and ‘int’)
  if(config==0) { // error check
     ~~~~~~^~~
main.cpp:127:11: note: candidate: operator==(int, int) <built-in>
main.cpp:127:11: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘int’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iosfwd:40:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::fpos<_StateT>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:64:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_pair.h:363:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::pair<_T1, _T2>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:342:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1106:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_algobase.h:67:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/char_traits.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/stl_iterator.h:1112:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::move_iterator<_IteratorL>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:133:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:41:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/allocator.h:139:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::allocator<_CharT>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5050:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5058:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5072:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   mismatched types ‘const _CharT*’ and ‘std::basic_ifstream<char>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/string:52:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_classes.h:40,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:41,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_string.h:5084:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  if(config==0) { // error check
             ^
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/ios_base.h:46:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:42,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:284:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:289:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_code&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:296:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_condition&’
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
   operator==(const error_condition& __lhs,
   ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/system_error:303:3: note:   no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘const std::error_condition&’
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/locale_facets.h:48:0,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/basic_ios.h:37,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ios:44,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/ostream:38,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/iostream:39,
                 from main.cpp:25:
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include/g++-v6/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
main.cpp:127:13: note:   ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
  if(config==0) { // error check
             ^
main.cpp: In function ‘int main(int, char**)’:
main.cpp:356:37: warning: ignoring return value of ‘int chdir(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
    chdir("/usr/share/games/tuxdash");
                                     ^
main.cpp:357:70: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
    system((ostring)"cp -r maps savegames config " + TuxHomeDirectory);
                                                                      ^
main.cpp:361:35: warning: ignoring return value of ‘int chdir(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
  chdir("/usr/share/games/tuxdash");
                                   ^
make: *** [Makefile:2: all] Error 1
make: Leaving directory '/var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8/src'
 * ERROR: games-arcade/tuxdash-0.8::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=games-arcade/tuxdash-0.8::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=games-arcade/tuxdash-0.8::gentoo'`.
 * The complete build log is located at '/var/log/portage/games-arcade:tuxdash-0.8:20161117-085852.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/games-arcade/tuxdash-0.8/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/games-arcade/tuxdash-0.8/temp/environment'.
 * Working directory: '/var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8'
 * S: '/var/tmp/portage/games-arcade/tuxdash-0.8/work/tuxdash-0.8'