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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Mon, 1 Mar 2021 16:53:23 +0000
Message-ID: <CAH6eHdRMGNJGjvVoba7uz64nvkFRT8B_WAWun7CZ5U99USnxRA@mail.gmail.com>
Subject: Re: ENOTSUP macro does not exist on DJGPP CRT
To: unlvsur unlvsur <unlvsur@live.com>
Cc: "unlvsur unlvsur via Libstdc++" <libstdc++@gcc.gnu.org>
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On Sat, 27 Feb 2021 at 19:49, unlvsur unlvsur via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
> This is the errno.h on djgpp.
>
> In file included from ../../../../../gcc/libstdc++-v3/src/c++17/cow-fs_ops.cc:26:
> ../../../../../gcc/libstdc++-v3/src/c++17/fs_ops.cc: In function 'void std::filesystem::copy(const std::filesystem::path&, const std::filesystem::path&, std::filesystem::copy_options, std::error_code&)':
> ../../../../../gcc/libstdc++-v3/src/c++17/fs_ops.cc:363:44: error: 'not_supported' is not a member of 'std::errc'
>   363 |       ec = std::make_error_code(std::errc::not_supported);
>       |                                            ^~~~~~~~~~~~~

Please report it to bugzilla.