Re: POSIX-isms (was Re: Latest Flex 2.6 code & doc)

[john43]

>> Just to clarify, flex itself uses POSIX IPC 
mechanisms,
>> but the _generated_ code does not.
>
>That will not help a lot.  Flex-generated output is 
typically not included
>in source distributions anyway.  Which means that for 
most users on
>POSIX-impaired systems, being unable to run flex will 
mean they can't
>build those packages, either.

Not true. Flex-generated sources are almost always 
included in source distributions.

>If at all possible, it would be preferrable to at 
least restrict IPC usage
>to popen() and friends.  Those are routinely 
emulatable by synchronous
>instead of asynchronous subprocesses, even on 
single-tasking OSes like
>MS-DOS, and there are implementations provided by many 
such platforms' C
>libraries.

But in our case, the pipes are not as important as the 
forks.