Simple (?) Windows question

Robert Goldman rpgoldman at
Mon Mar 21 20:57:15 UTC 2016

On 3/21/16 Mar 21 -3:38 PM, Daniel Kochmański wrote:
> Don't know about the other implementations, but afair ECL puts :cygwin
> in the *features*. Maybe check, if trivial-features handles cygwin
> portably?

That was a good suggestion, but I'm afraid the answer is "no." No
handling of cygwin in trivial-features.

Unfortunately, there's also no :CYGWIN feature in *FEATURES*, at least
not in the February release I just installed on my VM.


> Best regards,
> Daniel
> Robert Goldman writes:
>> Is there some way that a CL implementation can know whether it is
>> running under a Unix-alike like Cygwin or MinGW?
>> If we use RUN-PROGRAM to interrogate the environment, we do so using
>> CMD.exe, so I'm not sure how CMD.EXE would know if it was being run as
>> the grandchild of a bash process.
>> AFAICT Cygwin (and I don't know about MinGW) don't put anything into
>> their environments that I can obviously see.  E.g., if I start a lisp
>> inside cygwin and do (GETENV "OS") I just see "Windows_NT".
>> Thanks,
>> r

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