From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: Matt Armstrong <matt@rfc20.org>
Cc: "João Távora" <joaotavora@gmail.com>, emacs-devel <emacs-devel@gnu.org>
Subject: Re: Emacs + bear + compile_commands.json + clangd
Date: Wed, 12 Oct 2022 06:32:34 +0200 [thread overview]
Message-ID: <m21qrd3bml.fsf@Mini.fritz.box> (raw)
In-Reply-To: <87k056w9b1.fsf@rfc20.org> (Matt Armstrong's message of "Tue, 11 Oct 2022 10:37:38 -0700")
Matt Armstrong <matt@rfc20.org> writes:
>> I've never had to use --force-wrapper or alter compile_commands.json.
>
> Regarding compile_commands.json, if I use the compile_commands.json
> generated by bear, with eglot, with clangd version "Debian clangd
> version 14.0.6-2", it works well for .c files but not .h files.
>
> E.g. I open src/buffer.h and I get these errors in flymake (this is a
> small subset):
>
> 26 9 error e-f-b clang [unknown_typename]: In included file: unknown type name 'INLINE_HEADER_BEGIN'
> 1 0 error e-f-b clang [fatal_too_many_errors]: Too many errors emitted, stopping now
> 283 4 error e-f-b clang [unknown_typename]: Unknown type name 'INTERVAL'
> 722 9 warning e-f-b clang [-Wimplicit-function-declaration]: Implicit declaration of function 'PSEUDOVECTORP' is invalid in C99
> 877 5 warning e-f-b clang [-Wimplicit-function-declaration]: Implicit declaration of function 'NILP' is invalid in C99
> 1079 26 error e-f-b clang [expr_not_ice]: Expression is not an integer constant expression
> 1256 7 error e-f-b clang [unknown_typename]: Unknown type name 'INTERVAL'
> 1573 14 warning e-f-b clang [-Wint-conversion]: Incompatible integer to pointer conversion initializing 'Lisp_Object' (aka 'struct Lisp_X *') with an expression of type 'int'
> 1573 21 warning e-f-b clang [-Wimplicit-function-declaration]: Implicit declaration of function 'CHAR_TABLE_REF' is invalid in C99
>
> I always assumed that this was becuase clangd didn't know how to compile
> src/buffer.h and is unable to figure it out:
>
> Given all this I have no idea how your experience with clangd could
> different, but I'm not a clangd expert 🤔.
I'm not an expert for anything, but I don't see such errors here.
Strange.
>> My current version is bear 3.0.20, on macOS 12.6. What's your system?
>
> bear 3.0.20 on Debian/Bullseye (testing)
Thanks.
>
> My issue may have been related to building with Address Sanitizer, which
> I think also (might) play games with LD_PRELOAD. I tried
> --force-wrapper and it worked for me. ;-)
:-). And BTW, I'm also using ASAN here, almost all the time, and don't
see this either. This is with the system compiler, which is Apple clang
version 14.0.0 (clang-1400.0.29.102).
Maybe I'll try the lldb from LLVM 15 a try at some point.
prev parent reply other threads:[~2022-10-12 4:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-19 12:44 Lightning fast build Gerd Möllmann
2022-08-19 12:59 ` Alan Mackenzie
2022-08-21 2:47 ` Pankaj Jangid
2022-08-21 9:36 ` João Távora
2022-08-21 10:24 ` Gerd Möllmann
2022-10-11 4:09 ` Emacs + bear + compile_commands.json + clangd Matt Armstrong
2022-10-11 5:39 ` Gerd Möllmann
2022-10-11 17:37 ` Matt Armstrong
2022-10-12 4:32 ` Gerd Möllmann [this message]
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