[cmake-developers] Should a module attempt to find its own dependencies?
Stephen Kelly
steveire at gmail.com
Sun Jan 8 12:24:57 EST 2012
Hi,
I don't think I've ever seen a direct answer to this question. Is it
something to be decided on a case by case basis? If so, then why is there no
general case?
I can see a possible reason that it is not solvable in the general case
because sometimes the behaviour of find_package can be changed by setting
variables (eg, one might use QT_USE_QTXMLPATTERNS before finding Qt4).
Specifically this comes up for me because I need to know whether Qt5 modules
should find their own dependencies. That is, should
find_package(Qt5Gui)
cause
find_package(Qt5Core REQUIRED)
to be called or not? Should that be the responsibility of the caller?
Thanks,
Steve.
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