Pyqtdeploy plan for the end of qmake?

Phil Thompson phil at
Mon Aug 31 09:40:32 BST 2020

You are missing an understanding of how SIP v5 works. v4 is a code 
generator and you provide your own build system. v5 is a code generator 
*and* a build system. It doesn't matter where sip.h is "installed" as 
long as the build system tells the compiler where it can be found.


On 31/08/2020 07:52, Patrick Stinson wrote:
> The pypi entry for pyqt5 says that qmake must be in the path for the
> sdist to be used. I have qmake (5.15.0) in my path but "pip install
> pyqt5” doesn’t install sip.h anywhere. I have always found it
> difficult to understand how pip works, even after reading their docs.
> What am I missing?
>> On Aug 27, 2020, at 1:32 PM, Patrick Stinson <patrickkidd at> 
>> wrote:
>> Good to know. I suppose that leaves the sip executable (and in some 
>> cases the qmake executable).
>>> On Aug 27, 2020, at 1:30 PM, Phil Thompson 
>>> <phil at> wrote:
>>> On 27/08/2020 18:40, Patrick Stinson wrote:
>>>> One topic was to point out how difficult it is to develop sip
>>>> extensions on windows, let alone on both Mac and windows. I can’t 
>>>> see
>>>> how you were able to build a sip extension without sip.h or the PyQt
>>>> .sip files, which are not included in the pip extensions. Maybe you
>>>> could explain how you do this?
>>> sip.h is part of the sip sdist/wheel.
>>> The PyQt .sip files are part of the PyQt sdist/wheel.
>>> Phil

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