Jean-Michaël Celerier

I wonder how hard it would be to call from a Qt WASM backend from QMLWeb. Having a compiled QAbstractItemModel for performance, leveraged from a QML view in a web...

(note: the error `n'est pas utilisé parce que « __cpp_aggregate_nsdmi » n’est pas définie [-Winvalid-pch]` means `wasn't used because __cpp_aggregate_nsdmi isn't defined`.

interestingly, replacing `project(foo)` by `project(foo CXX)` fixes this

For some reason I'm having the exact same problem, but only on Windows with CMake 3.5 and the NMake generator. It works on mostly every other configuration.

Okay, so with a bit of investigation, it seems that the culprit is the Qt version... On a ubuntu 16.04 docker machine, it does not work with the default Qt...

sadly, no :( maybe this version does not set properly some variables in its Qt5Config.cmake or something like this...

Also getting it again with CMake 3.8.0-rc2, Qt 5.8, Makefile generator, under linux

@nocnokneo it was another problem referenced in #114

This would be extremely helpful. I have a 50mb PCH deduplicated 30 times because of this :(

my life in a nutshell: ``` ls **/*.pch 40M API/OSSIA/cotire/ossia_CXX_prefix.hxx.pch 58M base/addons/iscore-addon-pd/cotire/score_addon_pd_CXX_prefix.hxx.pch 58M base/addons/iscore-addon-shaders/cotire/score_addon_shader_CXX_prefix.hxx.pch 58M base/lib/cotire/score_lib_base_CXX_prefix.hxx.pch 58M base/plugins/score-lib-device/cotire/score_lib_device_CXX_prefix.hxx.pch 58M base/plugins/score-lib-inspector/cotire/score_lib_inspector_CXX_prefix.hxx.pch 58M base/plugins/score-lib-process/cotire/score_lib_process_CXX_prefix.hxx.pch 58M base/plugins/score-lib-state/cotire/score_lib_state_CXX_prefix.hxx.pch 58M base/plugins/score-plugin-automation/cotire/score_plugin_automation_CXX_prefix.hxx.pch 58M base/plugins/score-plugin-curve/cotire/score_plugin_curve_CXX_prefix.hxx.pch 58M base/plugins/score-plugin-deviceexplorer/cotire/score_plugin_deviceexplorer_CXX_prefix.hxx.pch...