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    dnes 14:22 | Komunita

    Greg Kroah-Hartman začal používat AI asistenta pojmenovaného gkh_clanker_t1000. V commitech se objevuje "Assisted-by: gkh_clanker_t1000". Na social.kernel.org publikoval jeho fotografii. Jedná se o Framework Desktop s AMD Ryzen AI Max a lokální LLM.

    Ladislav Hagara | Komentářů: 1
    dnes 04:44 | Komunita

    Ubuntu 26.10 bude Stonking Stingray (úžasný rejnok).

    Ladislav Hagara | Komentářů: 2
    včera 22:22 | Nová verze

    Webový prohlížeč Dillo (Wikipedie) byl vydán ve verzi 3.3.0. S experimentální podporou FLTK 1.4. S příkazem dilloc pro ovládání prohlížeče z příkazové řádky. Vývoj prohlížeče se přesunul z GitHubu na vlastní doménu dillo-browser.org (Git).

    Ladislav Hagara | Komentářů: 1
    včera 21:55 | Komunita

    Byl publikován přehled dění a novinek z vývoje Asahi Linuxu, tj. Linuxu pro Apple Silicon. Vývojáři v přehledu vypíchli vylepšenou instalaci, podporu senzoru okolního světla, úsporu energie, opravy Bluetooth nebo zlepšení audia. Vývoj lze podpořit na Open Collective a GitHub Sponsors.

    Ladislav Hagara | Komentářů: 1
    25.4. 04:00 | Nová verze

    raylib (Wikipedie), tj. multiplatformní open-source knihovna pro vývoj grafických aplikací a her, byla vydána ve verzi 6.0.

    Ladislav Hagara | Komentářů: 1
    24.4. 18:33 | IT novinky

    Nové verze AI modelů. Společnost OpenAI představila GPT‑5.5. Společnost DeepSeek představila DeepSeek V4.

    Ladislav Hagara | Komentářů: 1
    24.4. 15:33 | Zajímavý článek

    Nová čísla časopisů od nakladatelství Raspberry Pi zdarma ke čtení: Raspberry Pi Official Magazine 164 (pdf) a Hello World 29 (pdf).

    Ladislav Hagara | Komentářů: 0
    24.4. 04:44 | Komunita

    Bylo oznámeno, že webový prohlížeč Opera GX zaměřený na hráče počítačových her je už také na Flathubu and Snapcraftu.

    Ladislav Hagara | Komentářů: 0
    23.4. 23:11 | IT novinky

    Akcionáři americké mediální společnosti Warner Bros. Discovery dnes schválili převzetí firmy konkurentem Paramount Skydance za zhruba 110 miliard dolarů (téměř 2,3 bilionu Kč). Firmy se na spojení dohodly v únoru. O část společnosti Warner Bros. Discovery dříve usilovala rovněž streamovací platforma Netflix, se svou nabídkou však neuspěla. Transakci ještě budou schvalovat regulační orgány, a to nejen ve Spojených státech, ale také

    … více »
    Ladislav Hagara | Komentářů: 0
    23.4. 22:33 | Nová verze

    Canonical vydal (email, blog, YouTube) Ubuntu 26.04 LTS Resolute Raccoon. Přehled novinek v poznámkách k vydání. Vydány byly také oficiální deriváty Edubuntu, Kubuntu, Lubuntu, Ubuntu Budgie, Ubuntu Cinnamon, Ubuntu Kylin, Ubuntu Studio, Ubuntu Unity a Xubuntu. Jedná se o 11. vydání s dlouhodobou podporou (LTS).

    Ladislav Hagara | Komentářů: 2
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    Příspěvek
    26.7.2020 22:38 LK
    Rozbalit Rozbalit vše Rozbite G++

    Nazdar, na PC mam rozbite g++ - tusite, kde moze byt problem? Najmensi reproducer:

    $ cat /tmp/a.cpp 
    #include <string>
    
    int main() {
      return 0;
    }

    Vystup:

    $ g++ /tmp/a.cpp 
    In file included from /usr/include/c++/9/bits/stl_iterator.h:66,
                     from /usr/include/c++/9/bits/stl_algobase.h:67,
                     from /usr/include/c++/9/bits/char_traits.h:39,
                     from /usr/include/c++/9/string:40,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/bits/ptr_traits.h:144:14: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
      144 |       static _GLIBCXX20_CONSTEXPR pointer
          |              ^~~~~~~~~~~~~~~~~~~~
    In file included from /usr/include/c++/9/ext/new_allocator.h:33,
                     from /usr/include/x86_64-linux-gnu/c++/8/bits/c++allocator.h:33,
                     from /usr/include/c++/9/bits/allocator.h:46,
                     from /usr/include/c++/9/string:41,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/new:125:1: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      125 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
          | ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/new:127:1: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      127 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
          | ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/new:139:1: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      139 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
          | ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/new:141:1: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      141 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
          | ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/new:173:1: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      173 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
          | ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/new:175:1: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      175 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
          | ^~~~~~~~~~~~~~~~~~
    In file included from /usr/include/x86_64-linux-gnu/c++/8/bits/c++allocator.h:33,
                     from /usr/include/c++/9/bits/allocator.h:46,
                     from /usr/include/c++/9/string:41,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/ext/new_allocator.h:79:7: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
       79 |       _GLIBCXX20_CONSTEXPR
          |       ^~~~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/ext/new_allocator.h:82:7: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
       82 |       _GLIBCXX20_CONSTEXPR
          |       ^~~~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/ext/new_allocator.h:86:2: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
       86 |  _GLIBCXX20_CONSTEXPR
          |  ^~~~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/ext/new_allocator.h:101:7: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      101 |       _GLIBCXX_NODISCARD pointer
          |       ^~~~~~~~~~~~~~~~~~
    In file included from /usr/include/c++/9/string:41,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/bits/allocator.h:137:7: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
      137 |       _GLIBCXX20_CONSTEXPR
          |       ^~~~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/allocator.h:140:7: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
      140 |       _GLIBCXX20_CONSTEXPR
          |       ^~~~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/allocator.h:150:2: error: ‘_GLIBCXX20_CONSTEXPR’ does not name a type
      150 |  _GLIBCXX20_CONSTEXPR
          |  ^~~~~~~~~~~~~~~~~~~~
    In file included from /usr/include/c++/9/ext/alloc_traits.h:36,
                     from /usr/include/c++/9/bits/basic_string.h:40,
                     from /usr/include/c++/9/string:55,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/bits/alloc_traits.h:304:7: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      304 |       _GLIBCXX_NODISCARD static pointer
          |       ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/alloc_traits.h:319:7: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      319 |       _GLIBCXX_NODISCARD static pointer
          |       ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/alloc_traits.h:442:7: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      442 |       _GLIBCXX_NODISCARD static pointer
          |       ^~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/alloc_traits.h:456:7: error: ‘_GLIBCXX_NODISCARD’ does not name a type
      456 |       _GLIBCXX_NODISCARD static pointer
          |       ^~~~~~~~~~~~~~~~~~
    In file included from /usr/include/c++/9/string:55,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/bits/basic_string.h:1030:7: error: ‘_GLIBCXX_NODISCARD’ does not name a type
     1030 |       _GLIBCXX_NODISCARD bool
          |       ^~~~~~~~~~~~~~~~~~
    In file included from /usr/include/c++/9/bits/basic_string.h:40,
                     from /usr/include/c++/9/string:55,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char>, char>’:
    /usr/include/c++/9/bits/basic_string.h:80:24:   required from ‘class std::__cxx11::basic_string<char>’
    /usr/include/c++/9/bits/basic_string.h:6504:68:   required from here
    /usr/include/c++/9/ext/alloc_traits.h:66:23: error: no members matching ‘__gnu_cxx::__alloc_traits<std::allocator<char>, char>::_Base_type {aka std::allocator_traits<std::allocator<char> >}::allocate’ in ‘__gnu_cxx::__alloc_traits<std::allocator<char>, char>::_Base_type’ {aka ‘struct std::allocator_traits<std::allocator<char> >’}
       66 |     using _Base_type::allocate;
          |                       ^~~~~~~~
    /usr/include/c++/9/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>’:
    /usr/include/c++/9/bits/basic_string.h:80:24:   required from ‘class std::__cxx11::basic_string<wchar_t>’
    /usr/include/c++/9/bits/basic_string.h:6610:68:   required from here
    /usr/include/c++/9/ext/alloc_traits.h:66:23: error: no members matching ‘__gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>::_Base_type {aka std::allocator_traits<std::allocator<wchar_t> >}::allocate’ in ‘__gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>::_Base_type’ {aka ‘struct std::allocator_traits<std::allocator<wchar_t> >’}
    /usr/include/c++/9/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>’:
    /usr/include/c++/9/bits/basic_string.h:80:24:   required from ‘class std::__cxx11::basic_string<char16_t>’
    /usr/include/c++/9/bits/basic_string.h:6784:41:   required from here
    /usr/include/c++/9/ext/alloc_traits.h:66:23: error: no members matching ‘__gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>::_Base_type {aka std::allocator_traits<std::allocator<char16_t> >}::allocate’ in ‘__gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>::_Base_type’ {aka ‘struct std::allocator_traits<std::allocator<char16_t> >’}
    /usr/include/c++/9/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>’:
    /usr/include/c++/9/bits/basic_string.h:80:24:   required from ‘class std::__cxx11::basic_string<char32_t>’
    /usr/include/c++/9/bits/basic_string.h:6799:41:   required from here
    /usr/include/c++/9/ext/alloc_traits.h:66:23: error: no members matching ‘__gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>::_Base_type {aka std::allocator_traits<std::allocator<char32_t> >}::allocate’ in ‘__gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>::_Base_type’ {aka ‘struct std::allocator_traits<std::allocator<char32_t> >’}
    In file included from /usr/include/c++/9/string:55,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer = char*]’:
    /usr/include/c++/9/bits/basic_string.h:553:73:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
    /usr/include/c++/9/bits/basic_string.h:6548:20:   required from here
    /usr/include/c++/9/bits/basic_string.h:193:49: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<char*>’
      193 |  return std::pointer_traits<pointer>::pointer_to(*_M_local_buf);
          |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer = wchar_t*]’:
    /usr/include/c++/9/bits/basic_string.h:553:73:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
    /usr/include/c++/9/bits/basic_string.h:6651:22:   required from here
    /usr/include/c++/9/bits/basic_string.h:193:49: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<wchar_t*>’
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer = char16_t*]’:
    /usr/include/c++/9/bits/basic_string.h:512:41:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]’
    /usr/include/c++/9/bits/basic_string.h:6839:49:   required from here
    /usr/include/c++/9/bits/basic_string.h:193:49: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<char16_t*>’
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer = char32_t*]’:
    /usr/include/c++/9/bits/basic_string.h:512:41:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]’
    /usr/include/c++/9/bits/basic_string.h:6844:49:   required from here
    /usr/include/c++/9/bits/basic_string.h:193:49: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<char32_t*>’
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer = const char*]’:
    /usr/include/c++/9/bits/basic_string.h:222:26:   required from ‘bool std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_is_local() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
    /usr/include/c++/9/bits/basic_string.h:555:12:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
    /usr/include/c++/9/bits/basic_string.h:6548:20:   required from here
    /usr/include/c++/9/bits/basic_string.h:203:55: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<const char*>’
      203 |  return std::pointer_traits<const_pointer>::pointer_to(*_M_local_buf);
          |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() const [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer = const wchar_t*]’:
    /usr/include/c++/9/bits/basic_string.h:222:26:   required from ‘bool std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_is_local() const [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
    /usr/include/c++/9/bits/basic_string.h:555:12:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
    /usr/include/c++/9/bits/basic_string.h:6651:22:   required from here
    /usr/include/c++/9/bits/basic_string.h:203:55: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<const wchar_t*>’
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() const [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer = const char16_t*]’:
    /usr/include/c++/9/bits/basic_string.h:222:26:   required from ‘bool std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_is_local() const [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
    /usr/include/c++/9/bits/basic_string.h:555:12:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
    /usr/include/c++/9/bits/basic_string.h:6839:49:   required from here
    /usr/include/c++/9/bits/basic_string.h:203:55: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<const char16_t*>’
    /usr/include/c++/9/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_local_data() const [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_pointer = const char32_t*]’:
    /usr/include/c++/9/bits/basic_string.h:222:26:   required from ‘bool std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_is_local() const [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
    /usr/include/c++/9/bits/basic_string.h:555:12:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
    /usr/include/c++/9/bits/basic_string.h:6844:49:   required from here
    /usr/include/c++/9/bits/basic_string.h:203:55: error: ‘pointer_to’ is not a member of ‘std::pointer_traits<const char32_t*>’
    In file included from /usr/include/c++/9/string:56,
                     from /tmp/a.cpp:1:
    /usr/include/c++/9/bits/basic_string.tcc: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_create(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer = char16_t*; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]’:
    /usr/include/c++/9/bits/basic_string.tcc:219:14:   required from ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_construct(_InIterator, _InIterator, std::forward_iterator_tag) [with _FwdIterator = const char16_t*; _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
    /usr/include/c++/9/bits/basic_string.h:247:11:   required from ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_construct_aux(_InIterator, _InIterator, std::__false_type) [with _InIterator = const char16_t*; _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
    /usr/include/c++/9/bits/basic_string.h:266:4:   required from ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_construct(_InIterator, _InIterator) [with _InIterator = const char16_t*; _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
    /usr/include/c++/9/bits/basic_string.h:513:9:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]’
    /usr/include/c++/9/bits/basic_string.h:6839:49:   required from here
    /usr/include/c++/9/bits/basic_string.tcc:153:37: error: ‘allocate’ is not a member of ‘std::__cxx11::basic_string<char16_t>::_Alloc_traits’ {aka ‘__gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>’}
      153 |       return _Alloc_traits::allocate(_M_get_allocator(), __capacity + 1);
          |              ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /usr/include/c++/9/bits/basic_string.tcc: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_create(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer = char32_t*; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]’:
    /usr/include/c++/9/bits/basic_string.tcc:219:14:   required from ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_construct(_InIterator, _InIterator, std::forward_iterator_tag) [with _FwdIterator = const char32_t*; _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
    /usr/include/c++/9/bits/basic_string.h:247:11:   required from ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_construct_aux(_InIterator, _InIterator, std::__false_type) [with _InIterator = const char32_t*; _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
    /usr/include/c++/9/bits/basic_string.h:266:4:   required from ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_construct(_InIterator, _InIterator) [with _InIterator = const char32_t*; _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
    /usr/include/c++/9/bits/basic_string.h:513:9:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type, const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]’
    /usr/include/c++/9/bits/basic_string.h:6844:49:   required from here
    /usr/include/c++/9/bits/basic_string.tcc:153:37: error: ‘allocate’ is not a member of ‘std::__cxx11::basic_string<char32_t>::_Alloc_traits’ {aka ‘__gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>’}
    
    

    Detaily: Ubuntu 20.04.1 LTS (focal) "g++ --version" vracia "g++ (Ubuntu 9.3.0-10ubuntu2) 9.3.0" (+GNU reci)

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