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freebsd-ports/x11-toolkits/mygui
Dimitry Andric 7337e5d55c x11-toolkits/mygui: fix build with libc++ 19
As noted in the libc++ 19 release notes [1], std::char_traits<> is now
only provided for char, char8_t, char16_t, char32_t and wchar_t, and any
instantiation for other types will fail.

This causes x11-toolkits/mygui to fail to compile with clang 19 and
libc++ 19, resulting in errors similar to:

  In file included from /wrkdirs/usr/ports/x11-toolkits/mygui/work/mygui-MyGUI3.4.2/MyGUIEngine/include/MyGUI_Common.h:12:
  /usr/include/c++/v1/string:820:42: error: implicit instantiation of undefined template 'std::char_traits<unsigned short>'
    820 |   static_assert(is_same<_CharT, typename traits_type::char_type>::value,
   y     |                                          ^
  /wrkdirs/usr/ports/x11-toolkits/mygui/work/mygui-MyGUI3.4.2/MyGUIEngine/include/MyGUI_UString.h:213:4: note: in instantiation of template class 'std::basic_string<unsigned short>' requested here
    213 |                         dstring::iterator mIter;
        |                         ^
  /usr/include/c++/v1/__fwd/string.h:23:29: note: template is declared here
     23 | struct _LIBCPP_TEMPLATE_VIS char_traits;
        |                             ^

These can be fixed by using `char16_t` instead of `uint16_t` for the
`code_point` type, and `char32_t` instead of `uint32_t` for the
`unicode_char` type.

[1] https://libcxx.llvm.org/ReleaseNotes/19.html#deprecations-and-removals

PR:		281974
Approved by:	maintainer timeout (2 weeks)
MFH:		2024Q4

(cherry picked from commit 2e294149c6)
2024-10-26 13:08:03 +02:00
..
files x11-toolkits/mygui: fix build with libc++ 19 2024-10-26 13:08:03 +02:00
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