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  4. building qt 5.9 on windows for android results in 'ERROR: Cannot detect Android NDK toolchain'
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building qt 5.9 on windows for android results in 'ERROR: Cannot detect Android NDK toolchain'

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  • D Offline
    D Offline
    deveLoper5122
    wrote on last edited by
    #3

    but what are the more recent versions , I'm currently using qt 5.9
    I'll try with ndk r10 and post the result

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    • D Offline
      D Offline
      deveLoper5122
      wrote on last edited by
      #4

      the same problem with ndk 10
      this is my bat file :

      @echo off
      set "MINGW_BUILDS_ROOT=C:\mingw64"
      set "JDK_ROOT=E:\programs\AndStdio\jre"
      set "ANDROID_NDK_PATH=E:\programs\NDK10"
      set "ANDROID_SDK_PATH=E:\programs\AndSdk2"
      set "ANDROID_API_VERSION=android-21"
      set "ANDROID_SDK_ROOT=%ANDROID_SDK_PATH%"
      set "ANDROID_TARGET_ARCH=armeabi-v7a"
      set "ANDROID_BUILD_TOOLS_REVISION=21.1.2"
      set "ANDROID_TOOLCHAIN_VERSION=4.9"
      set "ANDROID_NDK_HOST=windows-x86_64"
      set "PATH=%MINGW_BUILDS_ROOT%\bin;%PATH%"
      configure.bat -developer-build -platform win32-g++ -opengl es2 -xplatform android-g++ -android-ndk ANDROID_NDK_PATH -android-toolchain-version 4.9 -android-sdk ANDROID_SDK_ROOT -opensource -confirm-license -nomake tests -nomake examples -prefix E:\qt-android
      

      and the output is :

      Bootstrapping qmake ...
      mingw32-make: Nothing to be done for 'first'.
      ERROR: Cannot detect Android NDK toolchain.
      Please use -android-toolchain-version to specify it.
      
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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #5

        Out of curiosity, why not use a pre-built version ?

        You can make the configure script more verbose adding the -v option.

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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        • D Offline
          D Offline
          deveLoper5122
          wrote on last edited by
          #6

          the problem was in this : "-android-ndk ANDROID_NDK_PATH" I had to provide the full path or use %ANDROID_NDK_PATH% as the string was passed as it is not as an environment variable
          I think the error should be : can't find ndk path

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #7

            So you succeed building Qt ?

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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            • D Offline
              D Offline
              deveLoper5122
              wrote on last edited by
              #8

              I now started the build with mingw32-make and the build will take some time

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              • D Offline
                D Offline
                deveLoper5122
                wrote on last edited by
                #9

                got this error during build

                E:/programs/NDK10/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ -c -D__ANDROID_API__=16 --sysroot=E:/programs/NDK10/platforms/android-16/arch-arm/ -isystem E:/programs/NDK10/sources/cxx-stl/gnu-libstdc++/4.9/include -isystem E:/programs/NDK10/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include -fstack-protector-strong -DANDROID -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -fno-builtin-memmove -g -g -marm -O0 -fPIC -std=c++14 -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -Werror -Wno-error=cpp -Wno-error=deprecated-declarations -Wno-error=strict-overflow -Wno-error=literal-suffix -D_REENTRANT -DQT_NO_CAST_FROM_ASCII -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_BUILD_FONTDATABASE_SUPPORT_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_NO_EXCEPTIONS -DQT_GUI_LIB -DQT_CORE_LIB -I. -I../../../include -I../../../include/QtFontDatabaseSupport -I../../../include/QtFontDatabaseSupport/5.9.2 -I../../../include/QtFontDatabaseSupport/5.9.2/QtFontDatabaseSupport -I../../../include/QtGui/5.9.2 -I../../../include/QtGui/5.9.2/QtGui -I../../../include/QtCore/5.9.2 -I../../../include/QtCore/5.9.2/QtCore -I../../../include/QtGui -I../../../include/QtCore -I.moc -I../../3rdparty/freetype/include -I../../../mkspecs/android-g++ -o .obj/qfreetypefontdatabase.obj freetype/qfreetypefontdatabase.cpp
                In file included from freetype/qfreetypefontdatabase.cpp:51:0:
                 ../../../include/QtFontDatabaseSupport/5.9.2/QtFontDatabaseSupport/private/qfontengine_ft_p.h:1:88: fatal error: ../../../../../src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h: No such file or directory
                #include "../../../../../src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h"
                                                                                                    ^
                compilation terminated.
                
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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #10

                  Did you check if you have that file somewhere ?

                  Interested in AI ? www.idiap.ch
                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                  • D Offline
                    D Offline
                    deveLoper5122
                    wrote on last edited by
                    #11

                    @deveLoper5122 said in building qt 5.9 on windows for android results in 'ERROR: Cannot detect Android NDK toolchain':

                    qfontengine_ft_p

                    I have it in E:\qt-android-source\qt-everywhere-opensource-src-5.9.2\qt-everywhere-opensource-src-5.9.2\qtbase\src\platformsupport\fontdatabases\freetype

                    but don't know why the compiler didn't resolve it

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #12

                      That's a pretty long path for not much benefit.

                      I'd recommend shortening it and also make an out of source build.

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                      • D Offline
                        D Offline
                        deveLoper5122
                        wrote on last edited by
                        #13

                        I can't change the dir now after I started building , I had to rebuild from scratch again right ?

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #14

                          Yes, that's correct.

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                          • D Offline
                            D Offline
                            deveLoper5122
                            wrote on last edited by
                            #15

                            I could change the dir with a symbol link to qt base and resumed the build again

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                            • D Offline
                              D Offline
                              deveLoper5122
                              wrote on last edited by
                              #16

                              but now I got :

                              javac -source 6 -target 6 -Xlint:unchecked -bootclasspath E:/programs/AndSdk2/platforms/android-25/android.jar -cp 'E:\qt-android-source\qt-5.9.2\qt-5.9.2\qtbase\src\android\jar\src\;E:\programs\AndSdk2\platforms\android-25\android.jar' -d .classes.bundled src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java src/org/qtproject/qt5/android/accessibility/QtNativeAccessibility.java src/org/qtproject/qt5/android/QtActivityDelegate.java src/org/qtproject/qt5/android/QtEditText.java src/org/qtproject/qt5/android/QtInputConnection.java src/org/qtproject/qt5/android/QtLayout.java src/org/qtproject/qt5/android/QtMessageDialogHelper.java src/org/qtproject/qt5/android/QtNative.java src/org/qtproject/qt5/android/QtNativeLibrariesDir.java src/org/qtproject/qt5/android/QtSurface.java src/org/qtproject/qt5/android/ExtractStyle.java src/org/qtproject/qt5/android/EditMenu.java src/org/qtproject/qt5/android/EditPopupMenu.java src/org/qtproject/qt5/android/CursorHandle.java
                              process_begin: CreateProcess(NULL, javac -source 6 -target 6 -Xlint:unchecked -bootclasspath E:/programs/AndSdk2/platforms/android-25/android.jar -cp E:\qt-android-source\qt-5.9.2\qt-5.9.2\qtbase\src\android\jar\src\;E:\programs\AndSdk2\platforms\android-25\android.jar -d .classes.bundled src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java src/org/qtproject/qt5/android/accessibility/QtNativeAccessibility.java src/org/qtproject/qt5/android/QtActivityDelegate.java src/org/qtproject/qt5/android/QtEditText.java src/org/qtproject/qt5/android/QtInputConnection.java src/org/qtproject/qt5/android/QtLayout.java src/org/qtproject/qt5/android/QtMessageDialogHelper.java src/org/qtproject/qt5/android/QtNative.java src/org/qtproject/qt5/android/QtNativeLibrariesDir.java src/org/qtproject/qt5/android/QtSurface.java src/org/qtproject/qt5/android/ExtractStyle.java src/org/qtproject/qt5/android/EditMenu.java src/org/qtproject/qt5/android/EditPopupMenu.java src/org/qtproject/qt5/android/CursorHandle.java, ...) failed.
                              make (e=2): The system cannot find the file specified.
                              
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                              • D Offline
                                D Offline
                                deveLoper5122
                                wrote on last edited by
                                #17

                                the file exists but the javac doesn't seem to be redircted with the symbol link so I have to restart the whole build with a shorter path

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