From: Prof Brian Ripley ripley@stats.ox.ac.uk
To: Jiang, Mike wjiang2@scharp.org
Subject: flowWorkspace etc in BioC 3.11 on macOS
Finally this installs on Linux (it is needed for CRAN package flowDiv).

But not on macOS (with clang 9, the likely preferred compiler for R
4.0.0, if not clang 10):

Error: package or namespace load failed for ‘cytolib’:
.onLoad failed in loadNamespace() for 'cytolib', details:
call: dyn.load(cytolib, local = FALSE, now = TRUE)
error: unable to load shared object
'/Users/ripley/R/test-3.7/00LOCK-cytolib/00new/cytolib/libs/cytolib.so':

dlopen(/Users/ripley/R/test-3.7/00LOCK-cytolib/00new/cytolib/libs/cytolib.so,

10): Symbol not found: _ZN5boost10filesystem4pathdVERKS1
Referenced from:
/Users/ripley/R/test-3.7/00LOCK-cytolib/00new/cytolib/libs/cytolib.so
Expected in: flat namespace
in
/Users/ripley/R/test-3.7/00LOCK-cytolib/00new/cytolib/libs/cytolib.so

which demangles to

boost::filesystem::path::operator/=(boost::filesystem::path const&)