CMakeLists.txt:31: error: By not providing "FindQt.cmake" in CMAKE_MODULE_PATH this project has asked

liner

Hi, Qt Creators!
Brand new Qt 6.11.1 and previous 6.10.3 as well can not recognize Widgets

project configure error, general messages pane:

*~/cpp/iTogClnt/iTogClnt/CMakeLists.txt:31: error: By not providing "FindQt.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "Qt", but CMake did not find one.

Could not find a package configuration file provided by "Qt" with any of
the following names:

QtConfig.cmake
qt-config.cmake

Add the installation prefix of "Qt" to CMAKE_PREFIX_PATH or set "Qt_DIR" to
a directory containing one of the above files. If "Qt" provides a separate
development package or SDK, be sure it has been installed.

Call stack:
CMakeLists.txt:31 (find_package)
build/Desktop_Qt_6_10_3-Debug/.qtcreator/cmake-helper/maintenance_tool_provider.cmake:259 (find_package)*

CMAKE_PREFIX_PATH: "/opt/Qt/6.10.3/gcc_64"

Any suggestions?

.qtcreator/cmake-helper/maintenance_tool_provider.cmake:259 (find_package):

else() // if (${package_name} MATCHES "^Qt([5-9])(.*)$")
    find_package(${package_name} ${ARGN} BYPASS_PROVIDER)

liner

The issue is closed. System did not have OpenGL (sudo apt install libgl1-mesa-dev libglu1-mesa-dev) and Vulkan (sudo apt install libvulkan-dev). Special thanks to GPT-5 mini @ duck.ai

cristian-adam

Thank you for posting this.

Qt Creator 19.0.2 has a CMake find package dependency provider that checks to see if Qt packages are missing, and if so, then you can get an Issue with a link to automagically install the missing Qt component.

But there is an issue when a Qt component has a dependency on other Qt components that might have missing dependencies.

I have tried a Qt Widgets "Hello World" with missing system dev packages.

With Qt Creator 19.0.2 and a Qt SDK Qt 6.11.1 I get this in General Messages:

[cmake] Running /snap/bin/cmake -S /home/cristian/Projects/C++/HelloQtWidgets -B /home/cristian/Projects/C++/HelloQtWidgets/build/Desktop_Qt_6_11_1-Debug -DCMAKE_BUILD_TYPE:STRING=Debug -DCMAKE_COLOR_DIAGNOSTICS:BOOL=ON -DCMAKE_CXX_COMPILER:FILEPATH=/usr/lib/ccache/aarch64-linux-gnu-g++-13 -DCMAKE_C_COMPILER:FILEPATH=/usr/lib/ccache/aarch64-linux-gnu-gcc-13 -DCMAKE_GENERATOR:STRING=Ninja -DCMAKE_MAKE_PROGRAM:STRING=/usr/bin/ninja -DCMAKE_PREFIX_PATH:PATH=/home/cristian/Qt/6.11.1/gcc_arm64 -DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=/home/cristian/Projects/C++/HelloQtWidgets/build/Desktop_Qt_6_11_1-Debug/.qtcreator/cmake-helper/qtcreator-project.cmake -DQT_CREATOR_ENABLE_MAINTENANCE_TOOL_PROVIDER:BOOL=ON -DQT_CREATOR_ENABLE_PACKAGE_MANAGER_SETUP:BOOL=ON -DQT_ENABLE_QML_DEBUG:BOOL=ON -DQT_QMAKE_EXECUTABLE:FILEPATH=/home/cristian/Qt/6.11.1/gcc_arm64/bin/qmake in /home/cristian/Projects/C++/HelloQtWidgets/build/Desktop_Qt_6_11_1-Debug.
[cmake] -- The CXX compiler identification is GNU 13.3.0
[cmake] -- Detecting CXX compiler ABI info
[cmake] -- Detecting CXX compiler ABI info - done
[cmake] -- Check for working CXX compiler: /usr/lib/ccache/aarch64-linux-gnu-g++-13 - skipped
[cmake] -- Detecting CXX compile features
[cmake] -- Detecting CXX compile features - done
[cmake] -- Performing Test HAVE_STDATOMIC
[cmake] -- Performing Test HAVE_STDATOMIC - Success
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_glx_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_glx_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] CMake Warning at build/Desktop_Qt_6_11_1-Debug/.qtcreator/cmake-helper/maintenance_tool_provider.cmake:190 (message):
[cmake]   Qt packages are missing: 6.11.1, gcc_arm64, qt.qt6.6111.linux_gcc_arm64
[cmake]
[cmake]   If you are using the Qt Online Installer, check the Issues view in Qt
[cmake]   Creator for a link that installs the missing component.
[cmake] Call Stack (most recent call first):
[cmake]   build/Desktop_Qt_6_11_1-Debug/.qtcreator/cmake-helper/maintenance_tool_provider.cmake:241 (qt_maintenance_tool_install)
[cmake]   CMakeLists.txt:4 (find_package)
[cmake]
[cmake]
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] -- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_INCLUDE_DIR OpenGL)
[cmake] CMake Error at build/Desktop_Qt_6_11_1-Debug/.qtcreator/cmake-helper/maintenance_tool_provider.cmake:252 (find_package):
[cmake]   Found package configuration file:
[cmake]
[cmake]     /home/cristian/Qt/6.11.1/gcc_arm64/lib/cmake/Qt6/Qt6Config.cmake
[cmake]
[cmake]   but it set Qt6_FOUND to FALSE so package "Qt6" is considered to be NOT
[cmake]   FOUND.  Reason given by package:
[cmake]
[cmake]   Failed to find required Qt component "Widgets".
[cmake]
[cmake]   Expected Config file at
[cmake]   "/home/cristian/Qt/6.11.1/gcc_arm64/lib/cmake/Qt6Widgets/Qt6WidgetsConfig.cmake"
[cmake]   exists
[cmake]
[cmake]
[cmake]
[cmake]   Configuring with --debug-find-pkg=Qt6Widgets might reveal details why the
[cmake]   package was not found.
[cmake]
[cmake]   Configuring with -DQT_DEBUG_FIND_PACKAGE=ON will print the values of some
[cmake]   of the path variables that find_package uses to try and find the package.
[cmake]
[cmake] Call Stack (most recent call first):
[cmake]   CMakeLists.txt:4 (find_package)
[cmake]
[cmake]
[cmake] CMake Error at CMakeLists.txt:4 (find_package):
[cmake]   Could not find a configuration file for package "Qt6" that is compatible
[cmake]   with requested version "6.5".
[cmake]
[cmake]   The following configuration files were considered but not accepted:
[cmake]
[cmake]     /home/cristian/Qt/6.11.1/gcc_arm64/lib/cmake/Qt6/Qt6Config.cmake, version: unknown
[cmake]       The version found is not compatible with the version requested.
[cmake]
[cmake]
[cmake]
[cmake] -- Configuring incomplete, errors occurred!
[cmake]
[cmake] The command "/snap/bin/cmake -S /home/cristian/Projects/C++/HelloQtWidgets -B /home/cristian/Projects/C++/HelloQtWidgets/build/Desktop_Qt_6_11_1-Debug -DCMAKE_BUILD_TYPE:STRING=Debug -DCMAKE_COLOR_DIAGNOSTICS:BOOL=ON -DCMAKE_CXX_COMPILER:FILEPATH=/usr/lib/ccache/aarch64-linux-gnu-g++-13 -DCMAKE_C_COMPILER:FILEPATH=/usr/lib/ccache/aarch64-linux-gnu-gcc-13 -DCMAKE_GENERATOR:STRING=Ninja -DCMAKE_MAKE_PROGRAM:STRING=/usr/bin/ninja -DCMAKE_PREFIX_PATH:PATH=/home/cristian/Qt/6.11.1/gcc_arm64 -DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=/home/cristian/Projects/C++/HelloQtWidgets/build/Desktop_Qt_6_11_1-Debug/.qtcreator/cmake-helper/qtcreator-project.cmake -DQT_CREATOR_ENABLE_MAINTENANCE_TOOL_PROVIDER:BOOL=ON -DQT_CREATOR_ENABLE_PACKAGE_MANAGER_SETUP:BOOL=ON -DQT_ENABLE_QML_DEBUG:BOOL=ON -DQT_QMAKE_EXECUTABLE:FILEPATH=/home/cristian/Qt/6.11.1/gcc_arm64/bin/qmake" terminated with exit code 1.
[cmake]
[cmake] Elapsed time: 00:01.

which gives a hint that something with OpenGL is missing.

The dependency provider can be skipped by using -DQT_CREATOR_ENABLE_MAINTENANCE_TOOL_PROVIDER:BOOL=OFF, which could help in the case that this mechanism has bugs.