YES!! Thank you. I had to configure that as an environment variable (not the command line switch).
Then re-running the cmake command, it was still failing. After deleting everything inside build sub-directory: $ rm -fr * The command works when re-running it. However on the last step: $ make create-apk-kirigamigallery [ 16%] Automatic moc for target kirigamigallery [ 16%] Built target kirigamigallery_automoc [100%] Built target kirigamigallery Scanning dependencies of target create-apk-kirigamigallery Generating kirigamigallery with /home/foo/.Qt/5.7/android_armv7/bin/androiddeployqt Directory /platforms does not exist CMakeFiles/create-apk-kirigamigallery.dir/build.make:57: recipe for target 'CMakeFiles/create-apk-kirigamigallery' failed make[3]: *** [CMakeFiles/create-apk-kirigamigallery] Error 2 CMakeFiles/Makefile2:99: recipe for target 'CMakeFiles/create-apk-kirigamigallery.dir/all' failed make[2]: *** [CMakeFiles/create-apk-kirigamigallery.dir/all] Error 2 CMakeFiles/Makefile2:106: recipe for target 'CMakeFiles/create-apk-kirigamigallery.dir/rule' failed make[1]: *** [CMakeFiles/create-apk-kirigamigallery.dir/rule] Error 2 Makefile:208: recipe for target 'create-apk-kirigamigallery' failed make: *** [create-apk-kirigamigallery] Error 2 Where is it looking for /platforms? Aleix Pol: > On Fri, Aug 12, 2016 at 10:26 PM, Police Terror <policeter...@dyne.org> wrote: >> Thank you, I didn't realize ECM was connected to KDE. That connection >> was good. Running this command solved the problem: >> >> $ sudo apt install extra-cmake-modules >> >> Which made it available in /usr/share/ECM/toolchain/Android.cmake >> >> And now I also had to add a switch to cmake: >> >> -DANDROID_NDK=... >> >> However it is failing: >> >> -- Check for working C compiler: >> /mypath/android-ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc >> CMake Error at /usr/share/ECM/toolchain/Android.cmake:113 (message): >> Couldn't find the Android NDK Root in /platforms/android-14/arch-arm > > /platforms/... looks wrong, should have something before. Make sure > that your ANDROID_NDK variable is properly set. I'd suggest setting it > as an environment variable. > >> Call Stack (most recent call first): >> /home/travis/src/kirigami/build/CMakeFiles/3.5.1/CMakeSystem.cmake:6 >> (include) >> CMakeLists.txt:2 (project) >> >> CMakeError.log has lots of errors like: >> >> /home/travis/Downloads/android-ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: >> error: cannot find -lc >> /home/travis/Downloads/android-ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: >> error: cannot find -ldl > > If gcc can't be found, anything won't be found. The toolchain is a package. > >> So I tried defining an envvar >> SYSROOT=/mypath/android-ndk-r12b/platforms/android-14/arch-arm/ but that >> also doesn't work. >> >> Thanks for any help. I saw the Kirigami app and it looks crisp and >> beautiful. You've done a great work on these widgets. I showed it to a >> few others and they were impressed. It definitely beats Kivy. >> >> Is it possible to use Kirigami with Python for the application logic? >> The widgets are in QML, and it seems PyQt5 exists for Android too. Have >> you tried this yet? > I don't think anyone has tried yet, I'm unsure that you want to bundle > whole Python with the application, although it should be possible. > I'd look into making it possible to import a Python module from QML, > this would be interesting IMHO. > >> Anyway great work! This is a milestone for Linux development. Kivy is >> slow to start and looks ugly, Qt is kind of a fudge and NDK means I have >> to write a Java UI... >> >> Do you have a way to pause the application when it is minimized? >> https://kivy.org/docs/api-kivy.app.html#kivy.app.App.on_pause > I don't know. Probably something worth looking into at the Qt level. > >> That's important to prevent the long startup time. >> >> Thomas Pfeiffer: >>> Hi, >>> >>> glad that you find Kirigami interesting! >>> >>> Admittedly, we're not very used to our frameworks being used by people >>> with no prior KDE experience, so yes, we should provide more >>> instructions there. >>> >>> ECM stands for Extra CMake Modules. Our wiki [1] explains where to get >>> them (if you are using Linux, your distro should provide a package of >>> them). >>> >>> Hope that helps. Feel free to ask here or on IRC or Telegram if you have >>> further questions. >>> >>> Cheers, >>> >>> Thomas >>> >>> [1] >>> https://community.kde.org/Guidelines_and_HOWTOs/Build_from_source/Details#Extra_CMake_Modules >>> >>> >>> >>> On 12.08.2016 18:06, Police Terror wrote: >>>> Hello, >>>> >>>> I'm excited by the slick looking Kirigami and the possibility of >>>> building applications to deploy on Linux, Android, and Windows with C++. >>>> >>>> Unfortunately the documentation is very sparse! >>>> >>>> The GitHub says: >>>> >>>> cmake .. >>>> -DCMAKE_TOOLCHAIN_FILE=/path/to/share/ECM/toolchain/Android.cmake -DQT >>>> ANDROID_EXPORTED_TARGET=kirigamigallery >>>> -DANDROID_APK_DIR=../examples/android/ - >>>> DCMAKE_PREFIX_PATH=/path/to/Qt-Android/5.5/android_armv7/ >>>> -DCMAKE_INSTALL_PREFIX=/path/to/dummy/install/prefix -DBUILD_EXAMPLES=ON >>>> >>>> What is ECM?? I've been searching the net for clues but found nothing. >>>> >>>> Thanks (I'm new to Android platform development) >>>