[boost] [build] header-only lib need dir 'build'?

Subject: [boost] [build] header-only lib need dir 'build'?
From: Oliver Kowalke (oliver.kowalke_at_[hidden])
Date: 2017-07-05 05:41:51

Hi,
does a header-only library require sub-directory 'build' (especially if the
lib depends on another, non-header-only library)?
In other words; is it safe to remove sub-directory 'build' from
boost.coroutine2?
thx,
Oliver