GNU bug report logs - #45303
28.0.50; [feature/native-comp] comp.c compilation error on Windows 10

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From: edouard debry <edouard.debry <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: gliao.tw <at> pm.me, pcfeb0009 <at> gmx.com, 45303 <at> debbugs.gnu.org, Andrea Corallo <akrl <at> sdf.org>
Subject: bug#45303: #45303 [feature/native-comp] building error on Windows
Date: Sat, 26 Dec 2020 15:58:30 +0100

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Within emacs I do this :
(add-to-list 'exec-path "D:/xxxx/Documents/utils/msys64/mingw64/bin")

However, you were right. Adding :
SET PATH=D:\xxxx\Documents\utils\msys64\mingw64\bin;%PATH%
 in the batch file ahead of emacs invocation makes it work as normal.

Are there some other paths from msys or mingw I should add for emacs
startup ?

Regards


Le sam. 26 déc. 2020 à 15:24, Eli Zaretskii <eliz <at> gnu.org> a écrit :

> > From: edouard debry <edouard.debry <at> gmail.com>
> > Date: Sat, 26 Dec 2020 15:02:54 +0100
> > Cc: Eli Zaretskii <eliz <at> gnu.org>, gliao.tw <at> pm.me, pcfeb0009 <at> gmx.com,
> 45303 <at> debbugs.gnu.org
> >
> > and added the absolute path of "/mingw64/bin" to the emacs exec-path.
>
> What does this mean, exactly?  IOW, how did you add this directory to
> exec-path, and why did you need to do it?
>
> First, "/mingw64/bin" is not a valid Windows absolute file name, since
> it lacks the drive letter.
>
> And second, Emacs's startup code expects the directories where Emacs
> should look for programs to be mentioned in the system-wide PATH
> variable.  If your PATH doesn't include /mingw64/bin, then you should
> add it (assuming that there are program files there that Emacs is
> supposed to find and use).
>
> > Outside of mingw64, If I just click on bin/emacs.exe I get a console
> message :
> >
> > Warning: arch-dependent data dir
> '%emacs_dir%/libexec/emacs/28.0.50/x86_64-w64-mingw32/': No such
> > file or directory
> >
> > and an emacs abort dialog.
> >
> > If I launch emacs on the command line from within a mingw64 shell, it
> runs well.
>
> Is this specific to the native-comp branch, or does it also happen if
> you build and install the master branch?
>

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