How to use qtquick_compiler_add_resources in a CMake project that uses AUTORCC?

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I have a Qt Quick project that uses CMake as its build system. I mostly went with the Qt Creator-generated CMake project, so I have

set(CMAKE_AUTORCC ON)

in my root CMakeLists.txt.

I recently learned about ahead-of-time compiling for QML resources which is supposed to yield quite a bit of startup time improvement. The documentation that describes how to use this with CMake says that I need to do the following:

find_package(Qt5 COMPONENTS Quick Core Network)
find_package(Qt5QuickCompiler)
qtquick_compiler_add_resources(RESOURCES example.qrc)
add_executable(myapp ${SRC_LIST} ${RESOURCES})
qt5_use_modules(myapp Quick Core Network)

but as far as I see, qtquick_compiler_add_resources does nothing but produce a list of C++ files which don't exist. I assume those would be produced by the QtQuick compiler, but as it is, CMake doesn't run because it can't find those sources. What is the missing bit?

cmake qt
1 Answers

Sorry, a bit late to the party but have to you tried removing the set(CMAKE_AUTORCC ON) ?

I have almost the same implementation and the <qmlfile_name>_qml.cpp files are generated and compiled correctly.

In my implementation I have :

  • a different CMake property name (resource_files)
  • I am not using AUTORCC
  • I'm auto-generating the qrc/qmldir files in the build directory (but that shouldn't matter)
  • I added the qml files list in the add_executable parameter list because I want to see them in my IDE.
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