It works only for 1 build now (Qt4 I think) other is broken, so I had to disable it. We need to fix it and re-enable travis for all builds on linux.
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Example of a build erroring: https://travis-ci.org/huggle/huggle3-qt-lx/builds/80786704 . Error message:
CMake Error at extension_list/extension-scoring/CMakeLists.txt:18 (find_package): Could not find module FindQt5Core.cmake or a configuration file for package Qt5Core. Adjust CMAKE_MODULE_PATH to find FindQt5Core.cmake or set Qt5Core_DIR to the directory containing a CMake configuration file for Qt5Core. The file will have one of the following names: Qt5CoreConfig.cmake qt5core-config.cmake CMake Error at extension_list/extension-scoring/CMakeLists.txt:19 (find_package): Could not find module FindQt5Gui.cmake or a configuration file for package Qt5Gui. Adjust CMAKE_MODULE_PATH to find FindQt5Gui.cmake or set Qt5Gui_DIR to the directory containing a CMake configuration file for Qt5Gui. The file will have one of the following names: Qt5GuiConfig.cmake qt5gui-config.cmake CMake Error at extension_list/extension-scoring/CMakeLists.txt:20 (find_package): Could not find module FindQt5WebKit.cmake or a configuration file for package Qt5WebKit. Adjust CMAKE_MODULE_PATH to find FindQt5WebKit.cmake or set Qt5WebKit_DIR to the directory containing a CMake configuration file for Qt5WebKit. The file will have one of the following names: Qt5WebKitConfig.cmake qt5webkit-config.cmake CMake Error at extension_list/extension-scoring/CMakeLists.txt:21 (find_package): Could not find module FindQt5Xml.cmake or a configuration file for package Qt5Xml. Adjust CMAKE_MODULE_PATH to find FindQt5Xml.cmake or set Qt5Xml_DIR to the directory containing a CMake configuration file for Qt5Xml. The file will have one of the following names: Qt5XmlConfig.cmake qt5xml-config.cmake CMake Error at extension_list/extension-scoring/CMakeLists.txt:22 (find_package): Could not find module FindQt5Widgets.cmake or a configuration file for package Qt5Widgets. Adjust CMAKE_MODULE_PATH to find FindQt5Widgets.cmake or set Qt5Widgets_DIR to the directory containing a CMake configuration file for Qt5Widgets. The file will have one of the following names: Qt5WidgetsConfig.cmake qt5widgets-config.cmake CMake Error at extension_list/extension-scoring/CMakeLists.txt:23 (find_package): Could not find module FindQt5Network.cmake or a configuration file for package Qt5Network. Adjust CMAKE_MODULE_PATH to find FindQt5Network.cmake or set Qt5Network_DIR to the directory containing a CMake configuration file for Qt5Network. The file will have one of the following names: Qt5NetworkConfig.cmake qt5network-config.cmake CMake Error at extension_list/extension-scoring/CMakeLists.txt:55 (QT5_WRAP_CPP): Unknown CMake command "QT5_WRAP_CPP". -- Configuring incomplete, errors occurred! make: *** No targets specified and no makefile found. Stop.
Disabled in https://github.com/huggle/huggle3-qt-lx/commit/2ebfffbef3447e42fe77100637e27c0a3db5f610
I have done quite a bit more digging into this.
The problem, at its heart, is the same problem I ran into on T157837: WebKit is depricated and has been removed from Qt5.8. The problem will be solved by setting a "CMAKE_MODULE_PATH" or building a script similar to the following that will set individual paths:
#!/bin/sh export Qt5Core_DIR=/Users/Matthew/Qt5.8.0/5.8/clang_64/lib/cmake/Qt5Core export Qt5Network_DIR=/Users/Matthew/Qt5.8.0/5.8/clang_64/lib/cmake/Qt5Network export Qt5Gui_DIR=/Users/Matthew/Qt5.8.0/5.8/clang_64/lib/cmake/Qt5Gui export Qt5Xml_DIR=/Users/Matthew/Qt5.8.0/5.8/clang_64/lib/cmake/Qt5Xml export Qt5Widgets_DIR=/Users/Matthew/Qt5.8.0/5.8/clang_64/lib/cmake/Qt5Widgets export Qt5WebEngine_DIR=/Users/Matthew/Qt5.8.0/5.8/clang_64/lib/cmake/Qt5WebEngine
The remaining question is: where does Travis store its Qt5? Further investigation is needed, as Google is showing nothing right now.
Travis doesn't support Qt5 very well, the problem here is that it's using ubuntu as backend, and every version of ubuntu changes their semantics for package naming for Qt, so preinstall script that installs dependencies would have to change with every ubuntu version.
I made a travis build Qt5 on OSX though