Using this new scheme allows only setting the _tag_ or _commit hash_ in
GH_TAGNAME and not having to know the hash for a tag. This scheme will
download a tarball that has a different checksum than before due to a changed
directory name for extraction.
The following MASTER_SITES are provided to retain the old checksum and
directory structure (that require GH_COMMIT):
GH -> GHL
GITHUB -> GITHUB_LEGACY
Differential Revision: https://reviews.freebsd.org/D748
Submitted by: amdmi3
Reviewed by: mat, swills, antoine, bdrewery
With hat: portmgr
PR: 194406
Submitted by: Fernando Apesteguia
This is a collection of C++ libraries that provides a variety of
functionalities. Eigen3 is needed for most of the components to work
since all of the vector and matrix math is done using Eigen3. CPPTest
is used to perform unit testing on the components.
