Re: [Pyobjc-dev] compilation issues on Py3.5, os x 10.10.5

[Ronald O. <ron...@ma...>]

> On 02 Aug 2016, at 12:13, Diez B. Roggisch <de...@we...> wrote:
> 
> Hi,
> 
> back at work, I tried your below suggestion.
> 
> 
> It falis with 
> 
>     running build_ext
>     building 'CoreFoundation._inlines' extension
>     creating build/temp.macosx-10.6-intel-3.5/Modules
>     /usr/bin/clang -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -arch i386 -arch x86_64 -g -Ibuild/temp.macosx-10.6-intel-3.5/pyobjc-include -I/Library/Frameworks/Python.framework/Versions/3.5/include/python3.5m -c Modules/_CoreFoundation_inlines.m -o build/temp.macosx-10.6-intel-3.5/Modules/_CoreFoundation_inlines.o -DPyObjC_BUILD_RELEASE=1010
>     In file included from Modules/_CoreFoundation_inlines.m:2:
>     /Library/Frameworks/Python.framework/Versions/3.5/include/python3.5m/Python.h:25:10: fatal error: 'stdio.h' file not found
>     #include <stdio.h>
>              ^
>     1 error generated.
>     error: command '/usr/bin/clang' failed with exit status 1

That’s annoying. I don’t understand why the build does not use the SDK inside the Xcode.app package on your machine.

Ronald

> 
> Cheers,
> 
> Diez
> 
>> On 30 Jul 2016, at 10:01, Ronald Oussoren <ron...@ma... <mailto:ron...@ma...>> wrote:
>> 
>>> 
>>> On 30 Jul 2016, at 09:44, Ronald Oussoren <ron...@ma... <mailto:ron...@ma...>> wrote:
>>> 
>>>> 
>>>> On 28 Jul 2016, at 15:43, Diez B. Roggisch <de...@we... <mailto:de...@we...>> wrote:
>>>> 
>>>> Hi,
>>>> 
>>>> I get the problem quoted below after trying to install pyobjc on my 10.10.5 System, Xcode version 7.2 into a vanilla Python3.5
>>>> 
>>>> Googling resulted in http://stackoverflow.com/questions/37525929/python-pyobjc-idtopythonprotocolnsurlsessionstreamdelegate-error <http://stackoverflow.com/questions/37525929/python-pyobjc-idtopythonprotocolnsurlsessionstreamdelegate-error>, which again on a vanilla Python 3.5 succeeds installing, but gives the second error below.
>>>> 
>>>> Any suggestions are welcome.
>>> 
>>> For some reason PyObjC thinks it is building with the OSX 10.10 SDK, while it is building with an older SDK. Because of this it tries to reference a symbol that isn’t present in the SDK that is used.   The “-isysroot /“ flag in the output below explains the behavior, setup.py cannot deduce the SDK used from the sysroot parameter and therefore assumes the SDK version matches the OSX version.
>> 
>> I just noticed some old code in the setup.py files for PyObjC that could cause this error. I’ll be testing on older OSX releases once I finish my work on 10.12 support and will try to remove or fix that old code when I do so.
>> 
>> Could you check if you have a file named “/usr/include/stdio.h” on your system? If so, please try building without this file (basically: move or rename it, then build PyObjC, then restore the file). 
>> 
>> Ronald
> 
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