[Bug 281974] x11-toolkits/mygui: fix build with libc++ 19
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Date: Wed, 09 Oct 2024 18:59:43 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281974
Bug ID: 281974
Summary: x11-toolkits/mygui: fix build with libc++ 19
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: Individual Port(s)
Assignee: amdmi3@FreeBSD.org
Reporter: dim@FreeBSD.org
Flags: maintainer-feedback?(amdmi3@FreeBSD.org)
Assignee: amdmi3@FreeBSD.org
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
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