Re: $(shell ...) and SHELL problems in 3.81

[Christopher Faylor]

On Mon, Apr 16, 2007 at 12:46:55AM +0100, Dave Korn wrote:
>On 15 April 2007 22:54, Christopher Faylor wrote:
>
>> On Mon, Apr 16, 2007 at 12:04:59AM +0300, Eli Zaretskii wrote:
>>> On Sun, Apr 15, 2007 at 06:16:56AM +0300, Eli Zaretskii wrote:
>
>> There is no Cygwin component here.  If you set your SHELL to something
>> which is not the type of shell that make expects, it will not work.
>> That is make working as designed and it is not an issue that needs to
>> be taken up with the cygwin mailing list.
>> 
>>>> Above and beyond that point, however, it is not a goal of Cygwin to
>>>> operate flawlessly with cmd.exe.
>>> 
>>> But Cygwin doesn't (AFAIK) do anything to deliberately defeat cmd.exe
>>> more than it does with any other program.
>> 
>> And that wasn't my point.  My point was that if there is some subtle
>> thing that cmd.exe needs in order to be used as a shell and Cygwin
>> isn't supplying we will not be extremely interested in standing on our
>> heads to supply it.
>> 
>> I am, again, trying to dissuade anyone from the potentially discouraging
>> experience of expecting that their cmd.exe woes will be actively
>> considered on the Cygwin mailing list.
>
>  I tried out the testcase.  It isn't actually hung, it's waiting for console
>input.  If you type 'exit' and hit return, you get dropped back to a cmd.exe
>shell; once more and you get dropped back to a bash prompt.  I haven't looked
>closer, but I guess that means that cmd.exe doesn't like being hooked up to a
>cygwin-simulated pty - which is indeed not a supported use-case.

Actually it means that cmd.exe doesn't know what to do with a -c option.

cgf