Re: [KOS] trouble with standard library

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Are talking about KOS's Makefile or my test program's Makefile?

On Thu, Dec 29, 2016 at 7:42 PM, Lawrence Sebald <blu...@gm...> wrote:

> Compile and link with kos-c++ in your Makefile, rather than $KOS_CC or
> whatever it is your makefile is currently using.
>
> The issue here is that you’re not linking in the standard C++ library at
> all, which causes problems if you try to use any of it.
>
> - Lawrence
>
> > On Dec 29, 2016, at 10:24 PM, Nathan Meier <gro...@gm...>
> wrote:
> >
> > So I'm in the process of converting code over from c to c++.(The code
> was based of the PNG example.)
> >
> > Currently I'm trying to use functions from the standard library like
> #include<vector>, #include<string> and #include<fstream>.
> >
> > When I try and compile the program in Cygwin. I get these errors coming
> up and interrupting the process.
> >
> > The errors I'm getting are in this block of text it returns back to me:
> >
> >
> > /home/YouPeople/dc/kos//utils/bin2o/bin2o romdisk_boot.img romdisk_boot
> romdisk_boot.o
> > /opt/toolchains/dc/sh-elf/bin/sh-elf-gcc -O2 -fomit-frame-pointer -ml
> -m4-single-only -ffunction-sections -fdata    -sections
> -I/home/YouPeople/dc/kos//include -I/home/YouPeople/dc/kos//kernel/arch/dreamcast/include
> -I/home/You    People/dc/kos//addons/include -I/home/YouPeople/dc/kos//../kos-ports/include
> -D_arch_dreamcast -D_arch_sub_prist    ine -Wall -g -fno-builtin
> -fno-strict-aliasing  -ml -m4-single-only -Wl,-Ttext=0x8c010000
> -Wl,--gc-sections -T/h    ome/YouPeople/dc/kos//utils/ldscripts/shlelf.xc
> -nodefaultlibs -L/home/YouPeople/dc/kos//lib/dreamcast -L/home/Y
> ouPeople/dc/kos//addons/lib/dreamcast -L/home/YouPeople/dc/kos//../kos-ports/lib
> -o example.elf  example.o wfont    .o romdisk_boot.o -lpng -lz -lm
> -Wl,--start-group -lkallisti -lc -lgcc -Wl,--end-group
> > example.o: In function `__check_facet<std::ctype<char> >':
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_string<char, std::char_traits<char>, std::allocator<char>
> >::_Rep::_S_empty_rep_stor    age'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::ios_base::ios_base()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `vtable for std::basic_ios<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `VTT for std::basic_ifstream<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_ios<char, std::char_traits<char> >::init(std::basic_streambuf<char,
> std::char_traits    <char> >*)'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `vtable for std::basic_ifstream<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `vtable for std::basic_ifstream<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_filebuf<char, std::char_traits<char> >::basic_filebuf()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_filebuf<char, std::char_traits<char> >::open(char const*,
> std::_Ios_Openmode)'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_ios<char, std::char_traits<char> >::clear(std::_Ios_Iostate)'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_istream<char, std::char_traits<char> >& std::getline<char,
> std::char_traits<char>, s    td::allocator<char> >(std::basic_istream<char,
> std::char_traits<char> >&, std::basic_string<char, std::char_trai
> ts<char>, std::allocator<char> >&, char)'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::basic_string<char, std::char_traits<char>, std::allocator<char>
> >::_M_leak_hard()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:51: undefin    ed reference to
> `std::__throw_bad_cast()'
> > example.o: In function `_ZNSt9basic_iosIcSt11char_
> traitsIcEE8setstateESt12_Ios_Iostate':
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `std::ctype<char>::_M_widen_init() const'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `VTT for std::basic_ifstream<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `std::basic_filebuf<char, std::char_traits<char> >::close()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `vtable for std::basic_ifstream<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `vtable for std::basic_ifstream<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `vtable for std::basic_filebuf<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `std::__basic_file<char>::~__basic_file()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `vtable for std::basic_streambuf<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `std::locale::~locale()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `std::ios_base::~ios_base()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `vtable for std::basic_ios<char, std::char_traits<char> >'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/basic_ios.h:130: undefi    ned reference to
> `std::basic_ios<char, std::char_traits<char> >::clear(std::_Ios_Iostate)'
> > example.o: In function `_ZNSs4_Rep10_M_disposeERKSaIcE':
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/stl_vector.h:161: undef    ined reference
> to `std::basic_string<char, std::char_traits<char>, std::allocator<char>
> >::_Rep::_S_empty_rep_st    orage'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/stl_vector.h:161: undef    ined reference
> to `std::basic_string<char, std::char_traits<char>, std::allocator<char>
> >::basic_string(std::bas    ic_string<char, std::char_traits<char>,
> std::allocator<char> > const&)'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/stl_vector.h:161: undef    ined reference
> to `std::__throw_bad_alloc()'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/stl_vector.h:161: undef    ined reference
> to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
> > /opt/toolchains/dc/sh-elf/lib/gcc/sh-elf/4.7.3/../../../../
> sh-elf/include/c++/4.7.3/bits/stl_vector.h:161: undef    ined reference
> to `std::basic_string<char, std::char_traits<char>, std::allocator<char>
> >::_Rep::_M_destroy(std:    :allocator<char> const&)'
> > collect2: error: ld returned 1 exit status
> > make: *** [Makefile:33: example.elf] Error 1
> >
> > I wanna try and make sense of this, but have no idea where to begin. Or
> what the problem even is. Please help!
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