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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: emacs compliation error (ada mode)
Date: Tue, 16 Jun 2015 08:26:57 +0100
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Date: 2015-06-16T08:26:57+01:00
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pincerfae@gmail.com writes:

> In trying out a 'hello world' tutorial, I keep getting an error
> message of this sort:
>
> Compilation started at Mon Jun 15 13:58:27
>
> ./hello_world
> '.' is not recognized as an internal or external command,
> operable program or batch file.
>
> Compilation exited abnormally with code 1 at Mon Jun 15 13:58:27
>
>
> the hello_world.exe program is there in the project folder. what am I
> missing?

You're on Windows, and I think you must - by design or not - be running
cmd as your shell.

cmd would interpret "./hello_world" as "run the program '.' and pass it
the switch '/hello_world'". Cmd needs a backslash, ".\hello_world".

> I'm using emacs 24.2 with ada mode on win7.

You don't say which ada-mode you're using. M-x ada-mode-version should
tell you.

Here, with 5.1.8, I think you'd customise Ada Build Run Cmd in the Ada
Build subgroup from ./${main} to .\${main} - in your case it may be in
the top-level Ada customisation group and just called Ada Run Cmd or
something like that.