boostorg/boost — pull request #39 by Lastique (2014-09-15 16:37:12+00:00)
Title: Make sure all headers are installed before build

Add /boost//headers as a common dependency for all testing tools. The implicit dependency that was used before didn't work:

http://boost.2283326.n4.nabble.com/testing-mpl-core-tests-not-visible-tt4667495.html#a4667510