[Yes, I know this isn't specifically a WiX problem]
We don't particularly fancy the idea of including the VC80 merge modules
in every installer we ship, so, a question:
How do we detect whether or not a version of the VC80 redistributables
have been installed? We'd prefer to use ordinary MSI constructs, but if
we need a custom action, so be it. The obvious approaches: look for a
registry key don't work (the merge modules don't specify anything in
(default)), and we can't really scan for a particular directory in
WinSxS, since policy might make this irrelevant.
We thought of looking to see if a particular component GUID had been
installed, but there's about 30 of them.
So: how should we detect presence or absence of the VC80 runtimes,
assuming that we've set all of our manifests to require 8.0.50608.0 (by
defining USE_RTM_VERSION in our C++ programs)?
Regards,
Roger.
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