Several bug fixes since previous release (v3.3.0), including fixing compilation problems on newer Visual Studio versions.

This release is being made to provide a more up-to-date package than the current (v2.0.2), which is a few years and several hundred commits behind. Please see the commit log for a complete list of changes since v2.0.2.

Significant updates to VXL to support modern C++11 compilers. With the new requirement on C++11 compatible compilers, many of the conditional vcl code and cmake tests became obsolete, so that code was also removed.

Removed support for many older compilers (SGI, BORLAND, SOLARIS, Alpha, gcc 2.96, gcc 3)

The codebase related to vcl aliases is significantly less complicated.

See the commit histories to review the 233 commits since the 1.18.0 release.

This is a maintenance release to provide a stable reference point for VXL since the previous release was 5 years prior. Many of the changes since the last release have been focused on keeping VXL compatible with the latest compilers. There are some new features as well. This release is intended primarily to provide a tagged version of VXL that builds with today's compilers.