christos@astron.com wrote:

> But that is a bmake expansion. Are you sure your bmake is up-to-spec?

It should work with bmake, though :Q modifier isn't so useful
to pass a command path to sh via environment because sh doesn't
escape meta-character on exec the passed command in the environment.
Anyway, I'll leave :Q since it's harmless and consistent with
existent other Makefiles.
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Izumi Tsutsui