Mail Archives: cygwin/2003/02/18/15:59:20
Ben Clewett wrote:
> For my working, I would need a fully detached CygWin. It's own
> memory, it's own DLL, and not a dependence on an existing
> installation.
>
> This is because I will be using Install Sheild to load and run an
> entire application, which is compiled under CygWin, onto a foreign
> machine, which may be of any setup including an old, badly setup,
> hached and conflicting CygWin... Also then the 'Add/Remove Software'
> can rid the foreign OS of my stuff, without deleting the CygWin which
> is being used by my poor customer.
>
> I do not need this for about six months, so will give me plenty of
> time to have a good hack and get to know CygWin a lot better....
Make sure you aware of licensing issues before you start bundling the Cygwin
DLL with something.
On the technical side, I have been able to prepare an isolated Cygwin - I
now have a mygwin1.dll and a simple "Hello World!" exe that uses it, and
which does not clash with running cygwin.
I would like to point out that there was one stumbling block in addition to
DLL name and shared memory ID. It is only an issue if you want to run a
mygwin exe from a cygwin one. It is the child_info struct that it passed
between cygwin processes. Currently, you get version clash here, requiring
some hacking to enforce isolation here too.
Max.
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