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


Tested last time on stable-a4d41f6 2013-06-19
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.
== Setting up a development environment ==


==—————————— Configuration ——————————==
* '''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 Perl:'''<br />http://strawberryperl.com/<br /> Select Destination folder (we’ll call this &lt;<span class="caps">PERL</span>_ROOT&gt;, and refer similarly to other install locations).
* '''Install the latest JDK 7:'''
http://www.oracle.com/technetwork/java/javase/downloads/index.html
Add <JDK_ROOT> to PATH.


* '''Install the latest mingwbuilds <span class="caps">MSYS</span> and external binaries (for git):'''<br />http://sourceforge.net/projects/mingwbuilds/files/external-binary-packages/msys+7za+wget+svn+git+mercurial+cvs-rev13.7z/download<br /> Extract this to &lt;<span class="caps">MINGW</span>_BUILDS_ROOT&gt; (I use C:\mingw-builds\ so I end up with C:\mingw-builds\msys\)
* '''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 MinGW-w64 from mingwbuilds:'''<br />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<br /> extract to &lt;<span class="caps">MINGW</span>_BUILDS_ROOT&gt; and add &lt;<span class="caps">MINGW</span>_BUILDS_ROOT&gt;\mingw32\bin to the '''front''' of your <span class="caps">PATH</span>.
* '''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>


* '''Install the latest <span class="caps">JDK</span> 7:'''<br />http://www.oracle.com/technetwork/java/javase/downloads/index.html<br /> Add &lt;<span class="caps">JDK</span>_ROOT&gt;\bin to <span class="caps">PATH</span>.
* '''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.


* '''Install Android <span class="caps">NDK</span>:'''<br />https://developer.android.com/tools/sdk/ndk/index.html<br /> Extract to &lt;<span class="caps">ANDROID</span>_NDK_ROOT&gt;
* '''Add some environment variables:'''
<code>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"</code>
And the path to NDK:
<code>set "ANDROID_NDK_HOST=windows-x86_64"</code>
or
<code>set "ANDROID_NDK_HOST=windows"</code>
.. depending on which NDK you downloaded.


* '''Install the latest Android <span class="caps">SDK</span> (tools only):'''<br />http://developer.android.com/sdk/index.html<br /> Run the <span class="caps">SDK</span> and install Platform 10 to &lt;<span class="caps">ANDROID</span>_SDK&gt;<br /> For building QtMultimedia, also install Platform 11.
== Cloning ==


* '''Open cmd.exe window and perform some checks:'''<br /> Ensure “where gcc.exe” lists &lt;<span class="caps">MINGW</span>_ROOT&gt;\bin\gcc.exe first (before &lt;<span class="caps">PERL</span>_ROOT&gt;\c\bin\gcc.exe)<br /> Ensure “where mingw32-make.exe” lists &lt;<span class="caps">MINGW</span>_ROOT&gt;\bin\mingw32-make.exe first.<br /> Ensure “where perl.exe” lists &lt;<span class="caps">PERL</span>_ROOT&gt;\perl\bin\perl.exe first.<br /> Ensure “where javac.exe” lists &lt;<span class="caps">JDK</span>_ROOT&gt;\bin first.
* '''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:"
<code>mkdir C:cd C:</code>


* '''Add some environment variables:'''<br /> set “<span class="caps">ANDROID</span>_NDK_PLATFORM=android-9”<br /> set “<span class="caps">ANDROID</span>_TARGET_ARCH=armeabi-v7a”<br /> set “<span class="caps">ANDROID</span>_BUILD_TOOLS_REVISION=17.0.0”<br /> set “<span class="caps">ANDROID</span>_NDK_HOST=windows-x86_64”<br /> or<br /> set “<span class="caps">ANDROID</span>_NDK_HOST=windows”<br /> .. depending on which <span class="caps">NDK</span> you downloaded.
* '''Follow step 4 at http://wiki.qt.io/Qt5ForAndroidBuilding'''


==—————————— Cloning ——————————==
== Build steps ==


* '''Make the root folder for the Qt/Android build:'''<br /> Make sure there are no spaces in this path and that it doesn’t contain too many characters.<br /> I went for “C:\work\build”<br />
<code>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></code>


* '''Follow step 4 at [[Qt5ForAndroidBuilding|http://wiki.qt.io/Qt5ForAndroidBuilding]]'''
..where <N> is the number of parallel jobs your system can optimally exploit. If you have trouble, remove the -j<N>, and try again.


==—————————— Build steps ——————————==
* '''Follow steps 8..11 at http://wiki.qt.io/Qt5ForAndroidBuilding (replacing make with mingw32-make.exe)'''


..where &lt;N&gt; is the number of parallel jobs your system can optimally exploit. If you have trouble, remove the -j&lt;N&gt;, 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.
* '''Follow steps 8..11 at [[Qt5ForAndroidBuilding|http://wiki.qt.io/Qt5ForAndroidBuilding]] (replacing make with mingw32-make.exe)'''
 
==—————————— Finally ——————————==
 
You can also build Qt/Android from the <span class="caps">MSYS</span> 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.

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.