Building qt-android on windows: Difference between revisions

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= Building Qt/Android on Windows =
Tested last time on branch 5.4 2015-01-22
Tested last time on branch 5.4 2015-01-22


Note, it is not currently possible to use Microsoft's compilers to build the Windows host tools for Qt Android.
Note, it is not currently possible to use Microsoft's compilers to build the Windows host tools for Qt Android.


== Configuration ==
== Setting up a development environment ==


* '''Install the latest Perl:'''
* '''Install the latest Perl:'''
  http://strawberryperl.com/
  http://strawberryperl.com/
Select Destination folder (we'll call this <PERL_ROOT>, and refer similarly to other install locations).
Select Destination folder (we'll call this <PERL_ROOT>, and refer similarly to other install locations).
 
* '''Set up the MinGW toolchain.'''  
* '''Install the latest mingwbuilds MSYS and external binaries (for git):'''
One way to do this is to download a pre-built Qt package for MinGW, and then add it (e.g. C:\dev\Qt\Tools\mingw730_64\bin) to PATH.
http://sourceforge.net/projects/mingwbuilds/files/external-binary-packages/msys+7za+wget+svn+git+mercurial+cvs-rev13.7z/download
Another way is to install the latest MinGW-w64 from mingwbuilds:
Extract this to <MINGW_BUILDS_ROOT> (I use C:-buildsso I end up with C:-builds\msys
 
* '''Install the latest MinGW-w64 from mingwbuilds:'''
  http://sourceforge.net/projects/mingwbuilds/files/host-windows/releases/4.8.1/32-bit/threads-win32/dwarf/x32-4.8.1-release-win32-dwarf-rev1.7z/download
  http://sourceforge.net/projects/mingwbuilds/files/host-windows/releases/4.8.1/32-bit/threads-win32/dwarf/x32-4.8.1-release-win32-dwarf-rev1.7z/download
Extract to <MINGW_BUILDS_ROOT> and add <MINGW_BUILDS_ROOT>32\bin to the '''front''' of your PATH.
Extract to <MINGW_BUILDS_ROOT> and add <MINGW_BUILDS_ROOT>32\bin to the '''front''' of your PATH.

Latest revision as of 10:35, 1 March 2019

Tested last time on branch 5.4 2015-01-22

Note, it is not currently possible to use Microsoft's compilers to build the Windows host tools for Qt Android.

Setting up a development environment

  • Install the latest Perl:
http://strawberryperl.com/

Select Destination folder (we'll call this <PERL_ROOT>, and refer similarly to other install locations).

  • Set up the MinGW toolchain.

One way to do this is to download a pre-built Qt package for MinGW, and then add it (e.g. C:\dev\Qt\Tools\mingw730_64\bin) to PATH. Another way is to install the latest MinGW-w64 from mingwbuilds:

http://sourceforge.net/projects/mingwbuilds/files/host-windows/releases/4.8.1/32-bit/threads-win32/dwarf/x32-4.8.1-release-win32-dwarf-rev1.7z/download

Extract to <MINGW_BUILDS_ROOT> and add <MINGW_BUILDS_ROOT>32\bin to the front of your PATH.

  • Install the latest JDK 7:
http://www.oracle.com/technetwork/java/javase/downloads/index.html

Add <JDK_ROOT> to PATH.

  • Install Android NDK:
https://developer.android.com/tools/sdk/ndk/index.html

Extract to <ANDROID_NDK_PATH> If you have ndk9 installed update it to latest version cause it doesn't work any more.

  • Install the latest Android SDK (tools only):
http://developer.android.com/sdk/index.html

Run the Android SDK Manager and install the latest version of "SDK Platform", "Google APIs" and "build-tools" in <ANDROID_SDK_PATH>

  • Open cmd.exe window and perform some checks:
Ensure "where gcc.exe" lists <MINGW_ROOT>.exe first (before <PERL_ROOT>.exe)
Ensure "where mingw32-make.exe" lists <MINGW_ROOT>32-make.exe first.
Ensure "where perl.exe" lists <PERL_ROOT>.exe first.
Ensure "where javac.exe" lists <JDK_ROOT>first.
  • Add some environment variables:
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_NDK_PATH=<ANDROID_NDK_PATH>"
set "ANDROID_TOOLCHAIN_VERSION=4.9"

And the path to NDK:

set "ANDROID_NDK_HOST=windows-x86_64"

or

set "ANDROID_NDK_HOST=windows"

.. depending on which NDK you downloaded.

Cloning

  • Make the root folder for the Qt/Android build:

Make sure there are no spaces in this path and that it doesn't contain too many characters. I went for "C:"

mkdir C:cd C:

Build steps

configure.bat -developer-build -platform win32-g++ -opengl es2 -xplatform android-g++ -android-ndk ANDROID_NDK_PATH -android-sdk ANDROID_SDK_ROOT -opensource -confirm-license -nomake tests -nomake examples
mingw32-make.exe -j<N>

..where <N> is the number of parallel jobs your system can optimally exploit. If you have trouble, remove the -j<N>, and try again.

Finally

You can also build Qt/Android from the MSYS shell- the one from mingw-builds that you already downloaded - following much the same procedure and using exactly the same software. This is currently left as an exercise for the reader.