Re: [Pyobjc-dev] compilation issues on Py3.5, os x 10.10.5
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Re: [Pyobjc-dev] compilation issues on Py3.5, os x 10.10.5
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From: Diez B. R. <de...@we...> - 2016-08-08 09:06:33
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Hi Ronald,
>> I might be onto something. Did you install the command-line tools package? I installed both Xcode 7.2 and the command-line tools (using “xcode-select —install”) and that gives me the same error. The same VM did work properly before I installed the command-line tools.
>>
>> I don’t know yet how to work around this problem, the compiler command-lines are the same on both machines.
I did install commandline tools, as a large part of daily development comprises C++ work.
I will try & use your patch, and give feedback on the results soon.
Cheers,
Diez
>
> The patch below fixes the issue for me. I haven’t checked yet if this does the right thing on any system other than one running Xcode 7.2 with the command tools installed.
>
> --- pyobjc_setup.py.orig 2016-08-07 04:03:55.000000000 -0700
> +++ pyobjc_setup.py 2016-08-07 04:13:22.000000000 -0700
> @@ -284,6 +284,9 @@
> except (ImportError, NameError):
> pass
>
> +
> +
> +
> cc = oldcc = get_config_var('CC').split()[0]
> cc = _find_executable(cc)
> if cc is not None and os.path.basename(cc).startswith('gcc'):
> @@ -377,6 +380,16 @@
> if 'clang' in get_config_var('CC'):
> cflags.append('-Wno-deprecated-declarations')
>
> + CFLAGS = get_config_var('CFLAGS')
> + if '-isysroot' not in CFLAGS and os.path.exists('/usr/include/stdio.h'):
> + # We're likely on a system with de Xcode Command Line Tools.
> + # Explicitly use an SDK
> + data = os.popen('xcodebuild -version -sdk macosx Path').read()
> + data = data.strip()
> + if data:
> + cflags.append('-isysroot')
> + cflags.append(data)
> +
> #if os_level != '10.4':
> # if os.path.exists('/usr/include/stdio.h'):
> # # only tweak the SDK when using the command-line tools
>
>>
>> Ronald
>>
>>
>>>
>>> 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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