GNU bug report logs - #64917
30.0.50; c-ts-mode throws warnings about missing cpp support

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Robert Pluim <rpluim <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#64917: closed (30.0.50; c-ts-mode throws warnings about
 missing cpp support)
Date: Wed, 09 Aug 2023 15:29:01 +0000

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Your message dated Wed, 09 Aug 2023 17:27:50 +0200
with message-id <874jl88ccp.fsf <at> gmail.com>
and subject line Re: bug#64917: 30.0.50; c-ts-mode throws warnings about missing cpp support
has caused the debbugs.gnu.org bug report #64917,
regarding 30.0.50; c-ts-mode throws warnings about missing cpp support
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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64917: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64917
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From: Robert Pluim <rpluim <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; c-ts-mode throws warnings about missing cpp support
Date: Fri, 28 Jul 2023 11:14:15 +0200

I built master with tree-sitter support, and installed the c-language
grammar using M-x treesit-install-language-grammar. I have
libtree-sitter-c.so in ~/.emacs.d/tree-sitter

I restarted emacs, visited src/xdisp.c, and did M-x c-ts-mode, which
popped up a *Warnings* buffer containing:

⛔ Warning (treesit): Cannot activate tree-sitter, because language grammar for cpp is unavailable (not-found): (libtree-sitter-cpp libtree-sitter-cpp.0 libtree-sitter-cpp.0.0 libtree-sitter-cpp.so libtree-sitter-cpp.so.0 libtree-sitter-cpp.so.0.0) No such file or directory
⛔ Warning (treesit): Cannot activate tree-sitter, because language grammar for cpp is unavailable (not-found): (libtree-sitter-cpp libtree-sitter-cpp.0 libtree-sitter-cpp.0.0 libtree-sitter-cpp.so libtree-sitter-cpp.so.0 libtree-sitter-cpp.so.0.0) No such file or directory

which is less than desirable (althoug `major-mode' is c-ts-mode, so I
guess things worked)

Robert

In GNU Emacs 30.0.50 (build 24, x86_64-pc-linux-gnu, GTK+ Version
 3.24.37, cairo version 1.16.0) of 2023-07-28 built on rltb
Repository revision: a5dda9614a01ca753f25c904ccf7781176245b3c
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12009000
System Description: Debian GNU/Linux 12 (bookworm)

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ
JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM GTK3
ZLIB

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From: Robert Pluim <rpluim <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 64917-done <at> debbugs.gnu.org
Subject: Re: bug#64917: 30.0.50; c-ts-mode throws warnings about missing cpp
 support
Date: Wed, 09 Aug 2023 17:27:50 +0200

>>>>> On Thu, 03 Aug 2023 11:13:40 +0300, Eli Zaretskii <eliz <at> gnu.org> said:

    >> From: Robert Pluim <rpluim <at> gmail.com>
    >> Cc: 64917 <at> debbugs.gnu.org
    >> Date: Fri, 28 Jul 2023 15:31:14 +0200
    >> 
    >> >>>>> On Fri, 28 Jul 2023 15:11:33 +0300, Eli Zaretskii <eliz <at> gnu.org> said:
    >> 
    Eli> tags 64917 notabug
    Eli> thanks
    >> 
    Eli> Please install the C++ grammar as well.  Those two go together because
    Eli> some *.h files could be C or C++, and we can only test that at run
    Eli> time.
    >> 
    >> I had no intention of installing the C++ grammar, but I guess I have
    >> no choice.
    >> 
    >> Some indication of that requirement at install time would help (as
    >> well as an indication when installing that the grammar to install is
    >> called 'cpp', not 'c++')

    Eli> I don't really see a good place for mentioning this in a way that will
    Eli> be discoverable enough.  Any suggestions?

I donʼt either. Closing

Robert
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