Unfortunately, a change was introduced a few days ago that breaks debug-mode build on windows. See details here: Slicer debug-mode buid error in 2017-07-23 version on Windows due to bzip2
Unfortunately, a change was introduced a few days ago that breaks debug-mode build on windows. See details here: Slicer debug-mode buid error in 2017-07-23 version on Windows due to bzip2