[PyQt] ANN: pyqtdeploy v2.0 Released

Patrick Stinson patrickkidd at gmail.com
Tue Jan 9 04:09:53 GMT 2018 

Maybe another or related bug where building for target macos-64 builds python from source with arch flags for iOS?

turin:vendor patrick$ pyqtdeploy-sysroot --component python --target macos-64 sysroot.json 

Building the target Python from source
Configuring Python v3.6.4 for macos-64
Installing /Users/patrick/dev/vendor/sysroot-macos-64/build/Python-3.6.4/Python-3.6.4/Modules/config.c
Generating /Users/patrick/dev/vendor/sysroot-macos-64/build/Python-3.6.4/Python-3.6.4/pyconfig.h
Installing /Users/patrick/dev/vendor/sysroot-macos-64/build/Python-3.6.4/Python-3.6.4/python.pro
Info: creating stash file /Users/patrick/dev/vendor/sysroot-macos-64/build/Python-3.6.4/Python-3.6.4/.qmake.stash
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -c -pipe -fwrapv -std=c99 -g -fPIC  -arch arm64  -arch x86_64 -Xarch_arm64 -miphoneos-version-min=10.0 -Xarch_arm64 -isysroot/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.2.sdk -Xarch_x86_64 -mios-simulator-version-min=10.0 -Xarch_x86_64 -isysroot/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator11.2.sdk -fobjc-nonfragile-abi -fobjc-legacy-dispatch -w -fembed-bitcode-marker -DQT_COMPILER_SUPPORTS_SSE2 -DNDEBUG -DPy_BUILD_CORE -DVERSION=\"3.6\" -DVPATH=\".\" -DPREFIX=\"/\" -DEXEC_PREFIX=\"/\" -DPYTHONPATH=\"/lib/python3.6\" -DPLATFORM=\"darwin\" -DMULTIARCH=\"ios\" -DABIFLAGS=\"m\" -I. -I../../../../lib/Qt/5.10.0/ios/mkspecs/common/uikit -I. -IInclude -I../../../../lib/Qt/5.10.0/ios/mkspecs/macx-ios-clang -o .obj/getbuildinfo.o Modules/getbuildinfo.c

I installed Qt for both iOS and clang_64 platforms using the standard open source installer, with the following “qt_dir” setup in the qt5 sysroot component:

    "qt5": {
        "macos#qt_dir": "/Users/patrick/dev/vendor/lib/Qt/5.10.0/clang_64",
        "ios#qt_dir": "/Users/patrick/dev/vendor/lib/Qt/5.10.0/ios",
        "ios#ssl": "securetransport",
        "macos#ssl": "openssl-linked"
    },

With this sysroot config:

    "python": {
        "build_host_from_source": true,
        "build_target_from_source": true,
        "source": "/Users/patrick/dev/vendor/pyqt-sysroot-base/Python-3.6.4.tgz"
    },


> On Jan 8, 2018, at 7:47 PM, Patrick Stinson <patrickkidd at gmail.com> wrote:
> 
> Phil,
> 
> There is a current bug in building python (maybe 3.5.2 - 3.6.4?) for iOS which does not correctly #undef HAVE_SYSTEM or #define HAVE_SYSTEM 0 around Modules/posixmodule.c:200 for v3.5.2 or Modules/posixmodule.c:180 in v3.6.4 , causing a compile error (see below). In the past I had to edit this file manually before the build phase, which worked fine because the build phase was separated from the configure/qmake phase. But, it seems like pyqtdeploy-sysroot v2 might need to patch the file to accomplish this? Or maybe there is a better way?
> 
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -c -pipe -fwrapv -std=c99 -g -fPIC  -arch arm64  -arch x86_64 -Xarch_arm64 -miphoneos-version-min=10.0 -Xarch_arm64 -isysroot/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.2.sdk -Xarch_x86_64 -mios-simulator-version-min=10.0 -Xarch_x86_64 -isysroot/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator11.2.sdk -fobjc-nonfragile-abi -fobjc-legacy-dispatch -w -fembed-bitcode-marker -DQT_COMPILER_SUPPORTS_SSE2 -DNDEBUG -DPy_BUILD_CORE -DVERSION=\"3.6\" -DVPATH=\".\" -DPREFIX=\"/\" -DEXEC_PREFIX=\"/\" -DPYTHONPATH=\"/lib/python3.6\" -DPLATFORM=\"darwin\" -DMULTIARCH=\"ios\" -DABIFLAGS=\"m\" -I. -I../../../../lib/Qt/5.10.0/ios/mkspecs/common/uikit -I. -IInclude -I../../../../lib/Qt/5.10.0/ios/mkspecs/macx-ios-clang -o .obj/posixmodule.o Modules/posixmodule.c
> Modules/posixmodule.c:4138:14: error: 'system' is unavailable: not available on iOS
>     result = system(bytes);
>              ^
> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.2.sdk/usr/include/stdlib.h:195:6: note: 'system' has been explicitly marked unavailable here
> int      system(const char *) __DARWIN_ALIAS_C(system);
>          ^
> 1 error generated.
> make: *** [.obj/posixmodule.o] Error 1
> Traceback (most recent call last):
>   File "/usr/local/bin/pyqtdeploy-sysroot", line 11, in <module>
>     sys.exit(main())
>   File "/usr/local/lib/python3.6/site-packages/pyqtdeploy/pyqtdeploysysroot_main.py", line 83, in main
>     sysroot.build_components(args.component, args.no_clean)
>   File "/usr/local/lib/python3.6/site-packages/pyqtdeploy/sysroot/sysroot.py", line 102, in build_components
>     component.build(self)
>   File "/usr/local/lib/python3.6/site-packages/pyqtdeploy/sysroot/plugins/python/python.py", line 98, in build
>     self._build_target_from_source(sysroot, archive)
>   File "/usr/local/lib/python3.6/site-packages/pyqtdeploy/sysroot/plugins/python/python.py", line 200, in _build_target_from_source
>     sysroot.run(sysroot.host_make)
>   File "/usr/local/lib/python3.6/site-packages/pyqtdeploy/sysroot/sysroot.py", line 550, in run
>     subprocess.check_call(args)
>   File "/usr/local/Cellar/python3/3.6.4_2/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 291, in check_call
>     raise CalledProcessError(retcode, cmd)
> subprocess.CalledProcessError: Command '('make',)' returned non-zero exit status 2.
> turin:vendor patrick$ 
> 
> 
> -Patrick
> 
>> On Jan 7, 2018, at 8:35 AM, Patrick Stinson <patrickkidd at gmail.com <mailto:patrickkidd at gmail.com>> wrote:
>> 
>> Ah Ok, that is encouraging as my method was (obviously) kind of a pain to maintain. I will rebuild my sysroots with v2 and report back.
>> 
>> -Patrick
>> 
>>> On Jan 7, 2018, at 3:30 AM, Phil Thompson <phil at riverbankcomputing.com <mailto:phil at riverbankcomputing.com>> wrote:
>>> 
>>>> On 6 Jan 2018, at 6:55 pm, Patrick Stinson <patrickkidd at gmail.com <mailto:patrickkidd at gmail.com>> wrote:
>>>> 
>>>> OK that’s interesting. Then for example, what is the suggested way to linke the standard python C module “_socket” in the exe, and have it’s module init method PyInit__socket” called on startup? Selecting “socket” in the pyqtdeploy gui didn’t do all of that for me.
>>> 
>>> The demo (indirectly) uses _socket and that works fine.
>>> 
>>> Do you have an example?
>>> 
>>> Phil
> 

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