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43d0c7131e
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 textproc/zxing-cpp to fail to compile with clang 19 and
libc++ 19, resulting in errors similar to:
/usr/include/c++/v1/string_view:300:42: error: implicit instantiation of undefined template 'std::char_traits<unsigned char>'
300 | static_assert(is_same<_CharT, typename traits_type::char_type>::value,
| ^
/wrkdirs/usr/ports/textproc/zxing-cpp/work/zxing-cpp-2.2.1/core/src/Utf.cpp:72:42: note: in instantiation of template class 'std::basic_string_view<unsigned char>' requested here
72 | static size_t Utf8CountCodePoints(utf8_t utf8)
| ^
/usr/include/c++/v1/__string/char_traits.h:45:8: note: template is declared here
45 | struct char_traits;
| ^
`utf8_t` is effectively defined as `std::basic_string<uint8_t>`, which
is no longer possible. So redefine it as a `std::vector<uint8_t>`
instead.
This requires only a small adjustment in one other place: replacing the
initializer list in the `AppendFromUtf8` call in `FromUtf8`.
[1] https://libcxx.llvm.org/ReleaseNotes/19.html#deprecations-and-removals
PR: 280791
Approved by: tcberner (maintainer)
MFH: 2024Q3
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| .hooks | ||
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This is the FreeBSD Ports Collection. For an easy to use WEB-based interface to it, please see: https://ports.FreeBSD.org For general information on the Ports Collection, please see the FreeBSD Handbook ports section which is available from: https://docs.freebsd.org/en/books/handbook/ports/ for the latest official version or: The ports(7) manual page (man ports). These will explain how to use ports and packages. If you would like to search for a port, you can do so easily by saying (in /usr/ports): make search name="<name>" or: make search key="<keyword>" which will generate a list of all ports matching <name> or <keyword>. make search also supports wildcards, such as: make search name="gtk*" For information about contributing to FreeBSD ports, please see the Porter's Handbook, available at: https://docs.freebsd.org/en/books/porters-handbook/ NOTE: This tree will GROW significantly in size during normal usage! The distribution tar files can and do accumulate in /usr/ports/distfiles, and the individual ports will also use up lots of space in their work subdirectories unless you remember to "make clean" after you're done building a given port. /usr/ports/distfiles can also be periodically cleaned without ill-effect.