Convert GNU import libraries (.dll.a) to MS format (.lib).
This variable is used to initialize the GNUtoMS property on targets when they are created. See that target property for additional information.
© 2000–2016 Kitware, Inc.
© 2000–2011 Insight Software Consortium
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.7/variable/CMAKE_GNUtoMS.html