[PyQt] make error when statically building Python for cross-compiling to android from linux

[umbertofilippo]

Thank you very much Phil.


I am trying now to do everything with Python 3.5.4, to hopefully being 
able to continue.

However, I am getting this error now, when I am trying to statically 
build python:/
//    Configuring /home/umberto/Documents/apps/Python-3.5.4 as Python 
v3.5.4 for android-32//
//    Patching 
/home/umberto/Documents/apps/Python-3.5.4/Include/unicodeobject.h//
//    pyqtdeploycli: 
/home/umberto/Documents/apps/Python-3.5.4/Include/unicodeobject.h:2280: 
line does not match diff context/

/
/

I read that this is probably due to the fact that 'Python needs 
unpatched source', but unfortunately, I don't know what that means...

I tried to create a new venv with python 3.5.4 (as my source Python), a 
new pip installation of pyqt5 and pyqtdeploy, and then downloaded the 
gzipped tarball source of Python 3.5.4 (target) from 
https://www.python.org/downloads/release/python-354/.

Then I extracted it, cd to it and run

/pyqt//deploycli --package python --target android-32 configure/

/
/

May I ask what am I doing wrong, or what should I do in order to 'have 
fresh, unpatched source for python' (I am quoting this discussion 
<http://python.6.x6.nabble.com/LONG-BIT-error-static-compiling-Python3-4-2-for-Android-tp5085286p5085337.html>)?

 From the documentation 
<http://pyqt.sourceforge.net/Docs/pyqtdeploy/command_line.html#cmdoption-pyqtdeploycli-disable-patches> 
I read in the description of pyqtdeploycli's --disable-patches option 
that '/The default is to enable the patching of the Python source code 
for Android based targets/'. How do I revert this if possible?


Thanks in advance for any help, I really like PyQt!

Umberto


On 09/10/2017 23:29, Phil Thompson wrote:
> On 9 Oct 2017, at 10:11 pm, umbertofilippo <umbertofilippo at tiscali.it> wrote:
>> Hello,
>>
>>
>> I am trying to build Python 3.6 statically to cross-compile from linux to android (finale target API 25).
>>
>> I am following the instructions in http://pyqt.sourceforge.net/Docs/pyqtdeploy/static_builds.html#python.
>>
>> I've set SYSROOT to point my app folder (export SYSROOT=${SYSROOT}:/home/umberto/Documents/apps/testApp/sysroot-android).
>>
>> I've created a symlink to android Qt installation in the root of my folder this way:
>>
>> 	• cd /home/umberto/Documents/apps/testApp/sysroot-android/
>> 	• ln -s /home/umberto/Qt5.9.1/5.9.1/android_armv7/
>> I downloaded the binary from python.org (the gzipped source tarball).
>>
>> I extracted it in a folder and then ran these commands:
>>
>> 	• cd /folder/where/I/extracted/Python-3.6.2
>> 	• pyqtdeploycli --package python --target android-32 configure
>> 	• /home/umberto/Documents/apps/testApp/sysroot-android/android_armv7/bin/qmake SYSROOT=$SYSROOT
>> 	• make
>> At the 'make' command I receive an error, which does not let me ho on with 'make install'.
>>
>>
>> Python/pystrtod.c:181:32: error: 'struct lconv' has no member named 'decimal_point'
>>       decimal_point = locale_data->decimal_point;
>>                                  ^
>> Python/pystrtod.c: In function 'change_decimal_from_locale_to_dot':
>> Python/pystrtod.c:448:44: error: 'struct lconv' has no member named 'decimal_point'
>>       const char *decimal_point = locale_data->decimal_point;
>>                                              ^
>> Makefile:14373: recipe for target '.obj/pystrtod.o' failed
>> make: *** [.obj/pystrtod.o] Error 1
>>
>>
>> I attached the output of the 'make' command as it is very long, in order to give someone the possibility to hopefully helping me trying to figure out what's going on.
>>
>> Is it something related to (quoting the documentation) "It may also be necessary to set the ANDROID_NDK_TOOLCHAIN_VERSION if Qt and the Android NDK disagree on which version of the toolchain to use."?
> pyqtdeploy hasn't been updated for Python v3.6.2 (although I'm not saying that that is the cause of the problem).
>
> Phil

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