Improve docopt-config.cmake in case of Boost regex

docopt / docopt.cpp

C++11 port of docopt

Boost Software License 1.0

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Improve docopt-config.cmake in case of Boost regex #140

Open stephan-cr opened 3 years ago

stephan-cr commented 3 years ago

This commit declares the transitive dependency to Boost in case docopt is build with Boost regex support. In this way, the user doesn't need to declare the dependency to Boost manually.

jaredgrubb commented 2 years ago

I'm not a make expert so it'd be nice to get some other eyes on this that can confirm this approach is reasonable.