Subject: Re: bug#29339: 27.0.50; CC-mode doesn't know about .mm and .M suffixes for Objective-C++

From: Alan Mackenzie <[email-masked]>
Date: 17 Nov 2017 19:00:35 -0000

In article <[email-masked]> 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).