bug#28601: 26.0.50; configure: error: Emacs does not support 'x86_64-pc-msys' systems.

["Vincent Belaïche" <vincent.belaiche@gmail.com>]

Answering to myself: there is also a -mingw option with which the script
automatically detects whether mingw64 is there and sets it if so, or
otherwise falls back to mingw32.

   V.


Le 27/09/2017 à 21:07, Vincent Belaïche a écrit :
> Hello Glenn,
>
> There is no such thing as a mingw64_shell.bat script, but there is a
> msys2_shell.cmd script, which one can launch with the -mingw64 for
> MSYSTEM to be set accordingly to MSYSTEM=MINGW64.
>
> When I do that, then I get the following error :
>
> --8<----8<----8<----8<----8<-- begin -->8---->8---->8---->8---->8----
> checking build system type... x86_64-w64-mingw32
> checking host system type... x86_64-w64-mingw32
> checking the compiler's target... x86_64-pc-msys
> configure: error: Emacs does not support 'x86_64-pc-msys' systems.
> --8<----8<----8<----8<----8<--  end -->8---->8---->8---->8---->8----
>
> BR,
>  V.
>
> Le 27/09/2017 à 20:36, Glenn Morris a écrit :
>> Vincent Belaïche wrote:
>>
>>> I am trying to re-compile Emacs on MSW10 + MSYS2. This used to be
>>> working, but now I get the following error:
>>>
>>> --8<----8<----8<----8<----8<-- begin -->8---->8---->8---->8---->8----
>>> checking build system type... x86_64-pc-msys
>>> checking host system type... x86_64-pc-msys
>>> configure: error: Emacs does not support 'x86_64-pc-msys' systems.
>> What version of Emacs did this work in?
>> AFAICS, configure.ac has never accepted *-msys as a host type.
>>
>>  From https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22240#20 :
>>           configure: error: Emacs does not support 'x86_64-pc-msys' 
>> systems.
>>           This turned out to be due to not being in the right 
>> environment - I
>>      added the step to switch to the MinGW-w64 environment and now it 
>> works
>>      without specifying the --host, etc.
>>
>>  From nt/INSTALL.W64:
>>
>>     First we need to switch to the MinGW-w64 environment. Exit the MSYS2
>>     BASH console and run mingw64_shell.bat in the C:\msys64 folder...
>>
>> So try that?
>


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