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Date: Sat, 9 Aug 2025 14:31:26 +0300
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To: "Old, Oliver" <Oliver DOT Old AT loewen DOT de>, cygwin AT cygwin DOT com
Subject: Re: Incorrect command line handling when launching Cygwin program
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From: Andrey Repin via Cygwin <cygwin AT cygwin DOT com>
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Greetings, Old, Oliver!

>> Then do not mix environments.

> That is not my choice, but rather my supervisor's choice. I began
> engineering our new CMake-based build system purely with MinGW
> toolchains in mind, statically linked ones even since I already know how
> well-received it would be if I required people to install a MinGW
> environment and had them add it to their PATH.

> Then I was told we might have to abandon this new system if we can't
> keep using our Cygwin toolchains.

Then this is not an issue with Cygwin, or mingw, but rather, with the tools
you are using.

> I know it is very unwise to attempt this and entirely unproductive.

>> Cygwin with automation scripts.

> I wish that was good enough, but I'm supposed to make it work with all
> the GUI and integrated debugging capabilities the other toolchains have.
> It is so very frustrating.

> Back to the technical aspects: I just don't see why the current command
> line handling is supposed to be good.

It is not good or bad. Keep in mind that there are more pieces moving than
what you are thinking there are.

> I find it to be very surprising as
> its entire purpose is interfacing with non-Cygwin software. Why should
> the "non-Cygwin" software assume the command line to be parsed according
> to Bash's rules?

No. It first parsed by CMD itself according to its own rules (CMD /? helps to
clarify some o 'em, but I would strongly suggest https://ss64.com/nt/ as a
WAY, WAY better source of information), and only when the line is passed down
to the cygwin app, the Cygwin DLL reassebles and reparses the line according
to POSIX rules.


-- 
With best regards,
Andrey Repin
Saturday, August 9, 2025 14:24:26

Sorry for my terrible english...


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