[cmake-developers] CMP0071

clinton at elemtech.com clinton at elemtech.com
Tue Sep 26 12:55:10 EDT 2017


----- On Sep 26, 2017, at 9:31 AM, Sebastian Holtermann seblist at xwmw.org wrote:

> On Dienstag, 26. September 2017 09:25:36 CEST clinton at elemtech.com wrote:
>> ----- On Sep 26, 2017, at 9:07 AM, Sebastian Holtermann seblist at xwmw.org
> wrote:
>> >> I updated and I'm getting this:
>> >> 
>> >> CMake Warning (dev) in claro/navigation5/CMakeLists.txt:
>> >> Policy CMP0071 is not set: Let AUTOMOC and AUTOUIC process GENERATED
>> >> files.
>> >> Run "cmake --help-policy CMP0071" for policy details. Use the
>> >> cmake_policy
>> >> command to set the policy and suppress this warning.
>> >> 
>> >> AUTOMOC: Ignoring GENERATED header file(s):
>> >> 
>> >> "/path/to/ui_SomeFile.h"
>> >> "/path/to/qrc_AnotherFile.cpp"
>> >> 
>> >> 
>> >> Those ui_* and qrc_* files do not require processing by moc.
>> >> In this case, I was using qt5_wrap_ui() and qt5_add_resources().
>> >> 
>> >> I did an experiment and replaced qt5_wrap_ui() with autouic, and the
>> >> warning went away for those ui_* files.
>> >> 
>> >> Is there a way to not print out that policy warning on ui_* and qrc_*
>> >> files
>> >> when using qt5_wrap_ui()/qt5_add_resources()? These are the only file
>> >> types
>> >> for which I'm getting that warning.
>> > 
>> > You can set the source file property SKIP_AUTOMOC on the GENERATED files.
>> > See: https://cmake.org/cmake/help/v3.9/prop_sf/SKIP_AUTOMOC.html
>> > See: https://cmake.org/cmake/help/git-master/policy/CMP0071.html
>> > 
>> > For example like this
>> > ```
>> > set_property(SOURCE /path/to/ui_SomeFile.h PROPERTY SKIP_AUTOMOC ON)
>> > set_property(SOURCE /path/to/qrc_AnotherFile.cpp PROPERTY SKIP_AUTOMOC ON)
>> > ```
>> 
>> Would it make sense for qt5_wrap_ui() and qt5_add_resources() to set
>> SKIP_AUTOMOC on the ui_* and qrc_* files?
> 
> That would be the best solution. The macros are provided by Qt though and not
> by CMake.

I agree.

I've reported it there
https://bugreports.qt.io/browse/QTBUG-63442

Thanks,
Clint


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