Date: Tue, 30 Apr 2024 19:45:45 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Nuno Teixeira <eduardo@freebsd.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: build failure affecting port: "error: reference to 'filesystem' is ambiguous" Message-ID: <8A27C44B-FBB9-479B-866A-13E06AB8266A@FreeBSD.org> In-Reply-To: <CAFDf7UJ2-QgwE0zU8aZ7ZP26NNPYfPYQZDMYQFxGiKDUw9nyOg@mail.gmail.com> References: <CAFDf7UJ2-QgwE0zU8aZ7ZP26NNPYfPYQZDMYQFxGiKDUw9nyOg@mail.gmail.com>
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On 30 Apr 2024, at 14:26, Nuno Teixeira <eduardo@freebsd.org> wrote:
>=20
> I'm lost on build failure of audio/amsynth (updated to version 1.13.3) =
on recent main.
> Thre strange thing is if I use llvm from ports, USES+=3Dllvm, it fails =
with same error so I suspect that something related to main.
>=20
> Any help is welcome and I didn't openned an upstream PR yet.
>=20
> Thanks,
>=20
> ---
> src/Configuration.cpp:35:20: error: reference to 'filesystem' is =
ambiguous
> 35 | amsynthrc_fname =3D filesystem::get().config;
> | ^
> src/filesystem.h:27:7: note: candidate found by name lookup is =
'filesystem'
> 27 | class filesystem
> | ^
> /usr/include/c++/v1/__chrono/file_clock.h:49:1: note: candidate found =
by name lookup is 'std::filesystem'
> 49 | _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
> | ^
> /usr/include/c++/v1/__config:892:80: note: expanded from macro =
'_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM'
> 892 | inline namespace =
__fs { namespace filesystem {
> | =
^
It looks like the program defines its own "filesystem" class, and also
has "using namespace std;".=20
Usually the easiest fix is to use "::filesystem" for the call sites that
want to use the program's own definition.
Alternatively, rename the 'local' definition to something else, like
"my_filesystem".
-Dimitry
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