building qt 5.9 on windows for android results in 'ERROR: Cannot detect Android NDK toolchain'
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I now started the build with mingw32-make and the build will take some time
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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. -
Did you check if you have that file somewhere ?
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@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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That's a pretty long path for not much benefit.
I'd recommend shortening it and also make an out of source build.
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I can't change the dir now after I started building , I had to rebuild from scratch again right ?
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Yes, that's correct.
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I could change the dir with a symbol link to qt base and resumed the build again
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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. -
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
