Changes in this release:
New Features
- Add MSVS 2015, 2017 and 2019 toolsets support.
- Add "msvs" version-independent MSVS toolset.
- Allow specifying configurations/platforms for external projects.
- Support including user-defined property sheets in MSVS 201x toolsets.
- Add "inputs" property for action targets.
- Add "allow-undefined" target property.
Bug fixes
- Changing variable appearing in "source" statement of a base template from the derived target now works as expected.
- Respect default value of "AdditionalIncludeDirectories" in MSVS projects.
- Simplify paths involving $(builddir) in the "gnu" toolset output.
- Generate correct warning options for "suncc" backend.
- Fix linking shared libraries with Sun toolset, use "-lc" explicitly.