Now that Xcode 2.0 is officially out I can ask this question... Has
anyone run into the following dependency bug?
First the setup:
1. Create Project A
2. Create Project B
3. Add Project B to Project A as a dependency (so that Xcode will
build B before building A)
Now the bug:
4. Open Project A (from the Finder or within Xcode; makes no difference)
5. Try to open Project B. You'll get a message like this: "Error:
Could not find file /full/path/to/project.xcode. Perhaps it was moved
or deleted?" (look on the disk and you'll see it's still there).
7. Close Project A, then try to open Project B: it works.
8. Leave Project B open, open Project A: it works.
In summary, you can open as many interdependent projects as you like
but you must open the dependencies first. If you try to open the
project that depend on the dependencies first then you won't be able
to open the dependencies.
If you have a dependency chain A->B->C, then you must open C then B
then A. You cannot open A then B then C.
I can reliably reproduce this in about 10 different projects I have,
so I don't think there are any corrupt project files at play. This
are simple linear dependencies, not the "circular project references"
referred to in the Xcode 2.0 release notes:
Circular project references (where for example project A contains a
reference to project B, and project B contains a reference to
project A) will result in Xcode being unable to properly close any
project in the cycle. This can lead to problematic behavior in
Xcode. To avoid this behavior, be careful to avoid creating project
reference cycles in projects, and to break existing cycles by
removing references from one or more projects.
Xcode 2.0 is wonderful and I love it; much faster and more stable. It
improves on previous versions in so many ways but this one issue is a
*major* inconvenience.
Interested to hear if anyone else is seeing this. I've already filed
a bug for it (rdar://4103756/).
Cheers,
Greg
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