On Apr 22 11:51, Charles Wilson wrote: > Brian Dessent wrote: > > the DLL already supports > > parallel installs by the fact that it uses /etc/fstab. > > Only in very limited cases: > > (1) we're talking about cygwin-1.7.x > (2) Either > (a) only one of those parallel instances is in use at a time, > including installed services, > or > (b) all of those parallel instances have exactly the same version of > the DLL > (3) Even so, doing this is not officially supported (the current > dual-installation "support" vis-a-vis cygwin-1.5.x and cygwin-1.7.x is > (a) temporary and > (b) intended for package maintainers only, in order to prepare the > cygwin-1.7 packages -- and package maintainers generally know what > they are doing and what the pitfalls of a dual/multiple installation > are. > > Right? You still have to worry about the shared memory region name, and > its format which may vary with DLL version. Plus there still might be > other stuff that prevents parallel cygwin installs from running > simultaneously. And I don't think supporting simultaneous use of > multiple cygwin installations is one of our goals, is it?
In theory, the latest incarnation of the Cygwin DLL should work in parallel with a 1.5.x DLL. In theory. I didn't actually test it. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat
