GNU bug report logs - #29339
27.0.50; CC-mode doesn't know about .mm and .M suffixes for Objective-C++

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Message #8 received at 29339 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Philipp <p.stephani2 <at> gmail.com>
Cc: 29339 <at> debbugs.gnu.org
Subject: Re: bug#29339: 27.0.50;
 CC-mode doesn't know about .mm and .M suffixes for Objective-C++
Date: 17 Nov 2017 19:00:35 -0000

In article <mailman.3878.1510925890.27995.bug-gnu-emacs <at> gnu.org> you wrote:

> GCC uses .mm or .M for Objective-C++,
> cf. https://gcc.gnu.org/onlinedocs/gcc-7.2.0/gcc/Overall-Options.html.
> However, neither `auto-mode-alist' nor `cc-other-file-alist' contain
> these file extensions.

I don't think there's an Objective-C++ mode out there in the wild.  So
what existing mode should be used for *.mm and *.M?  Is that mode a good
enough fit to be able, in good conscience, to use it for Obj-C++?

> In GNU Emacs 27.0.50 (build 17, x86_64-pc-linux-gnu, GTK+ Version 3.10.8)
>  of 2017-11-17 built on localhost
> Repository revision: 345c7d9c7b84c0c03ef1d0f32e9e0f39029be44a
> Windowing system distributor 'The X.Org Foundation', version 11.0.11803000
> System Description:     Ubuntu 14.04.5 LTS

[ .... ]

-- 
Alan Mackenzie (Nuremberg, Germany).

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