i am trying with windows,
git clone ..... why is it so slowCould NOT find ECM ECM (required version >= 5.70.0), Extra CMake Modules., <https://commits.kde.org/extra-cmake-modules> CMake Error at C:/Program Files/CMake/share/cmake-3.19/Modules/FeatureSummary.cmake:457 (message): feature_summary() Error: REQUIRED package(s) are missing, aborting CMake
ok, so
git clone https://github.com/KDE/extra-cmake-modules.git mkdir build && cd build && cmake ..
-- Could NOT find Sphinx (missing: Sphinx_BUILD_EXECUTABLE) (Required is at least version "1.2") -- Could NOT find ReuseTool (missing: REUSETOOL_EXECUTABLE) -- Could NOT find Python3 (missing: Python3_EXECUTABLE Interpreter)
ok, later Cmake will ask me to use linux instead of windows.
I/O is slow on Windows, see:
https://forum.qt.io/topic/30330/asynchronous-file-io
https://bugreports.qt.io/browse/QTBUG-19345