198850 2019-06-13 21:32:35 -0700 [CMake][Win] WTF_CopyHeaders copies files everytime in incremental builds if Visual Studio generator is used 2019-06-27 06:50:03 -0700 1 1 1 Unclassified WebKit CMake WebKit Nightly Build Unspecified Unspecified RESOLVED WORKSFORME P2 Normal --- 1 fujii webkit-unassigned oldest_to_newest 1544679 0 fujii 2019-06-13 21:32:35 -0700 [CMake][Win] WTF_CopyHeaders copies files everytime in incremental builds if Visual Studio generator is used 1544680 1 fujii 2019-06-13 21:34:40 -0700 I'm using CMake 3.14. Ninja generator doesn't have this issue. 1544685 2 fujii 2019-06-13 22:11:53 -0700 This seems Visual Studio 2019 issue. Visual Studio 2019 16.1: NG Visual Studio 2017 15.7.6: OK 1544692 3 fujii 2019-06-13 22:50:54 -0700 It seems that this issue has been fixed. But, I can't find a entry in release notes. Visual Studio 2019 16.1.3: OK 1544696 4 fujii 2019-06-13 23:16:51 -0700 My coworker is still having this issue even with Visual Studio 2019 16.1.3. Hmm, it seems that this issue can't be reproducible on my PC now. It is irrelevant to Visual Studio versions. 1548420 5 fujii 2019-06-27 02:48:16 -0700 VS 2019 16.1 rebuilds add_custom_command files every time (#19303) · Issues · CMake / CMake · GitLab https://gitlab.kitware.com/cmake/cmake/issues/19303 This issue was fixed in CMake 3.14.5. I'm using CMake 3.14.5 (My CMake was automatically upgraded by Chocolatey). 1548469 6 fujii 2019-06-27 06:50:03 -0700 https://blog.kitware.com/cmake-3-14-5-available-for-download/ > The Visual Studio 2019 16.1 update introduced a regression in MSBuild’s evaluation of custom command dependencies causing them to re-run on every build. CMake 3.14.5 includes a workaround,