On Mon 2008-11-10 08:23, Bill Hoffman wrote: > So, each find module should have a consistently named variable that can > control the prefix for finding the module. For example, FindFoo.cmake, > would have FOO_DIR. If that environment variable is set and CMake can > not find it, it is an error and nothing else is searched. This is how > CC,CXX, and FC work. Once it is found the environment variable is no > longer looked at. However, if the cmake cache variable of the same name > is ever changed then all variables for the module are reset.
I think that is ideal behavior for Find* modules. ... > I don't think we will be getting rid of the cache. However, having > dependent variables that when changed cause re-running of tests and > find_* stuff is a good idea. I certainly think the cache is a good thing, it's just unpredictable without dependent variables. Thanks Bill. I'm very encouraged by the response this thread has generated and optimistic that the Find* modules will become more robust without undue effort by module writers. Jed
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