add_library(3rdparty_qt5 INTERFACE) find_package(Qt5 5.14 CONFIG COMPONENTS Widgets Network Qml Concurrent) if(WIN32) find_package(Qt5 5.14 COMPONENTS WinExtras REQUIRED) target_link_libraries(3rdparty_qt5 INTERFACE Qt5::Widgets Qt5::WinExtras Qt5::Network Qt5::Qml Qt5::Concurrent) else() find_package(Qt5 5.14 COMPONENTS DBus Gui) if(Qt5DBus_FOUND) target_link_libraries(3rdparty_qt5 INTERFACE Qt5::Widgets Qt5::DBus Qt5::Network Qt5::Qml Qt5::Concurrent) target_compile_definitions(3rdparty_qt5 INTERFACE -DHAVE_QTDBUS) else() target_link_libraries(3rdparty_qt5 INTERFACE Qt5::Widgets Qt5::Network Qt5::Qml Qt5::Concurrent) endif() target_include_directories(3rdparty_qt5 INTERFACE ${Qt5Gui_PRIVATE_INCLUDE_DIRS}) endif() if(NOT Qt5Widgets_FOUND) if(Qt5Widgets_VERSION VERSION_LESS 5.14.0) message("Minimum supported Qt5 version is 5.14.0! You have version ${Qt5Widgets_VERSION} installed, please upgrade!") if(CMAKE_SYSTEM MATCHES "Linux") message(FATAL_ERROR "Most distros do not provide an up-to-date version of Qt. If you're on Ubuntu or Linux Mint, there are PPAs you can use to install one of the latest qt5 versions. https://launchpad.net/~beineri/+archive/ubuntu/opt-qt-5.14.1-bionic https://launchpad.net/~beineri/+archive/ubuntu/opt-qt-5.14.1-xenial just make sure to run source /opt/qt514/bin/qt514-env.sh before re-running cmake") elseif(WIN32) message(FATAL_ERROR "You can download the latest version of Qt5 here: https://www.qt.io/download-open-source/") else() message(FATAL_ERROR "Look online for instructions on installing an up-to-date Qt5 on ${CMAKE_SYSTEM}.") endif() endif() message("CMake was unable to find Qt5!") if(WIN32) message(FATAL_ERROR "Make sure the QTDIR env variable has been set properly. (for example C:\\Qt\\5.14.1\\msvc2017_64\\) You can also try setting the Qt5_DIR preprocessor definiton.") elseif(CMAKE_SYSTEM MATCHES "Linux") message(FATAL_ERROR "Make sure to install your distro's qt5 package!") else() message(FATAL_ERROR "You need to have Qt5 installed, look online for instructions on installing Qt5 on ${CMAKE_SYSTEM}.") endif() endif() add_library(3rdparty::qt5 ALIAS 3rdparty_qt5)