Building PyQt5 5.15.3 with SIP v4 fails.

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Building PyQt5 5.15.3 with SIP v4 fails.

Ben Greiner
Hi,

I don't know how much this is still supported. After all the sources
still provide a configure.py. However with the update to 5.15.3, calling
python configure.py results in the following fail:

[   30s] + python3 ../configure.py --verbose --sip=/usr/bin/sip-3.6
--qmake=/usr/bin/qmake-qt5 --confirm-license --assume-shared --disable
QtQuick3D --disable QtRemoteObjects --qsci-api --qsci-api-destdir
/usr/share/qt5/qsci 'QMAKE_CFLAGS+=-fmessage-length=0
-grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2
-fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -g ' 'QMAKE_CXXFLAGS+=-fmessage-length=0
-grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2
-fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -g '

...

[   58s] Checking to see if the dbus support module should be built...
[   58s] pkg-config --cflags-only-I --libs dbus-1
[   58s] Qt v5.15.2 is being used.
[   58s] The qmake executable is /usr/bin/qmake-qt5.
[   58s] Qt is built as a shared library.
[   58s] SIP 4.19.24 is being used.
[   58s] The sip executable is /usr/bin/sip-3.6.
[   58s] These PyQt5 modules will be built: QtCore, QtGui, QtHelp,
QtMultimedia,
[   58s] QtMultimediaWidgets, QtNetwork, QtOpenGL, QtPrintSupport,
QtQml, QtQuick,
[   58s] QtSql, QtSvg, QtTest, QtWebKit, QtWebKitWidgets, QtWidgets, QtXml,
[   58s] QtXmlPatterns, QtDesigner, QtDBus, _QOpenGLFunctions_2_0,
[   58s] _QOpenGLFunctions_2_1, _QOpenGLFunctions_4_1_Core, QtSensors,
QtSerialPort,
[   58s] QtX11Extras, QtBluetooth, QtPositioning, QtQuickWidgets,
QtWebSockets,
[   58s] QtWebChannel, QtLocation, QtNfc, QtTextToSpeech.
[   58s] The PyQt5 Python package will be installed in
[   58s] /usr/lib64/python3.6/site-packages.
[   58s] PyQt5 is being built with generated docstrings.
[   58s] PyQt5 is being built with 'protected' redefined as 'public'.
[   58s] The Designer plugin will be installed in
/usr/lib64/qt5/plugins/designer.
[   58s] The qmlscene plugin will be installed in
/usr/lib64/qt5/plugins/PyQt5.
[   58s] The QScintilla API file will be installed in
/usr/share/qt5/qsci/api/python.
[   58s] The PyQt5 PEP 484 stub files will be installed in
[   58s] /usr/lib64/python3.6/site-packages/PyQt5.
[   58s] The dbus support module will be installed in
[   58s] /usr/lib/python3.6/site-packages/dbus/mainloop.
[   58s] The PyQt5 .sip files will be installed in /usr/share/sip/PyQt5.
[   58s] pyuic5, pyrcc5 and pylupdate5 will be installed in /usr/bin.
[   58s] The interpreter used by pyuic5 is /usr/bin/python3.
[   58s] Generating the C++ source for the QtCore module...
[   58s] /usr/bin/sip-3.6 -w -n PyQt5.sip -t WS_X11 -t Qt_5_15_0 -f -P
-o -a QtCore.api -y QtCore.pyi -c
/home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/build/QtCore -I sip -I
/home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/sip
/home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/sip/QtCore/QtCoremod.sip
[   58s] sip: Py_ssize_t is undefined


It used to work with 5.15.2. Adding -I /usr/include/python3.6m to the
sip call does not help. Am I missing something?

(This is an rpmbuild for  openSUSE Leap 15.2. Building with SIP v6 and
sip-build works fine.)


- Ben



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Re: Building PyQt5 5.15.3 with SIP v4 fails.

Phil Thompson-5
On 25/02/2021 21:53, Ben Greiner wrote:

> Hi,
>
> I don't know how much this is still supported. After all the sources
> still provide a configure.py. However with the update to 5.15.3,
> calling python configure.py results in the following fail:
>
> [   30s] + python3 ../configure.py --verbose --sip=/usr/bin/sip-3.6
> --qmake=/usr/bin/qmake-qt5 --confirm-license --assume-shared --disable
> QtQuick3D --disable QtRemoteObjects --qsci-api --qsci-api-destdir
> /usr/share/qt5/qsci 'QMAKE_CFLAGS+=-fmessage-length=0
> -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2
> -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
> -fstack-clash-protection -g ' 'QMAKE_CXXFLAGS+=-fmessage-length=0
> -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2
> -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
> -fstack-clash-protection -g '
>
> ...
>
> [   58s] Checking to see if the dbus support module should be built...
> [   58s] pkg-config --cflags-only-I --libs dbus-1
> [   58s] Qt v5.15.2 is being used.
> [   58s] The qmake executable is /usr/bin/qmake-qt5.
> [   58s] Qt is built as a shared library.
> [   58s] SIP 4.19.24 is being used.
> [   58s] The sip executable is /usr/bin/sip-3.6.
> [   58s] These PyQt5 modules will be built: QtCore, QtGui, QtHelp,
> QtMultimedia,
> [   58s] QtMultimediaWidgets, QtNetwork, QtOpenGL, QtPrintSupport,
> QtQml, QtQuick,
> [   58s] QtSql, QtSvg, QtTest, QtWebKit, QtWebKitWidgets, QtWidgets,
> QtXml,
> [   58s] QtXmlPatterns, QtDesigner, QtDBus, _QOpenGLFunctions_2_0,
> [   58s] _QOpenGLFunctions_2_1, _QOpenGLFunctions_4_1_Core, QtSensors,
> QtSerialPort,
> [   58s] QtX11Extras, QtBluetooth, QtPositioning, QtQuickWidgets,
> QtWebSockets,
> [   58s] QtWebChannel, QtLocation, QtNfc, QtTextToSpeech.
> [   58s] The PyQt5 Python package will be installed in
> [   58s] /usr/lib64/python3.6/site-packages.
> [   58s] PyQt5 is being built with generated docstrings.
> [   58s] PyQt5 is being built with 'protected' redefined as 'public'.
> [   58s] The Designer plugin will be installed in
> /usr/lib64/qt5/plugins/designer.
> [   58s] The qmlscene plugin will be installed in
> /usr/lib64/qt5/plugins/PyQt5.
> [   58s] The QScintilla API file will be installed in
> /usr/share/qt5/qsci/api/python.
> [   58s] The PyQt5 PEP 484 stub files will be installed in
> [   58s] /usr/lib64/python3.6/site-packages/PyQt5.
> [   58s] The dbus support module will be installed in
> [   58s] /usr/lib/python3.6/site-packages/dbus/mainloop.
> [   58s] The PyQt5 .sip files will be installed in
> /usr/share/sip/PyQt5.
> [   58s] pyuic5, pyrcc5 and pylupdate5 will be installed in /usr/bin.
> [   58s] The interpreter used by pyuic5 is /usr/bin/python3.
> [   58s] Generating the C++ source for the QtCore module...
> [   58s] /usr/bin/sip-3.6 -w -n PyQt5.sip -t WS_X11 -t Qt_5_15_0 -f -P
> -o -a QtCore.api -y QtCore.pyi -c
> /home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/build/QtCore -I sip -I
> /home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/sip
> /home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/sip/QtCore/QtCoremod.sip
> [   58s] sip: Py_ssize_t is undefined
>
>
> It used to work with 5.15.2. Adding -I /usr/include/python3.6m to the
> sip call does not help. Am I missing something?
>
> (This is an rpmbuild for  openSUSE Leap 15.2. Building with SIP v6 and
> sip-build works fine.)

SIP v4 is unsupported but that was an unintentional change. I can fix
PyQt5 but it will be some time before the next release. Or I can fix SIP
v4 (it's the addition of one line) and make a release much sooner.

Phil
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Re: Building PyQt5 5.15.3 with SIP v4 fails.

Ben Greiner
On 26.02.21 10:20, Phil Thompson wrote:

> On 25/02/2021 21:53, Ben Greiner wrote:
>> Hi,
>>
>> I don't know how much this is still supported. After all the sources
>> still provide a configure.py. However with the update to 5.15.3,
>> calling python configure.py results in the following fail:
>>
>> [   30s] + python3 ../configure.py --verbose --sip=/usr/bin/sip-3.6
>> --qmake=/usr/bin/qmake-qt5 --confirm-license --assume-shared --disable
>> QtQuick3D --disable QtRemoteObjects --qsci-api --qsci-api-destdir
>> /usr/share/qt5/qsci 'QMAKE_CFLAGS+=-fmessage-length=0
>> -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2
>> -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
>> -fstack-clash-protection -g ' 'QMAKE_CXXFLAGS+=-fmessage-length=0
>> -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2
>> -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
>> -fstack-clash-protection -g '
>>
>> ...
>>
>> [   58s] Checking to see if the dbus support module should be built...
>> [   58s] pkg-config --cflags-only-I --libs dbus-1
>> [   58s] Qt v5.15.2 is being used.
>> [   58s] The qmake executable is /usr/bin/qmake-qt5.
>> [   58s] Qt is built as a shared library.
>> [   58s] SIP 4.19.24 is being used.
>> [   58s] The sip executable is /usr/bin/sip-3.6.
>> [   58s] These PyQt5 modules will be built: QtCore, QtGui, QtHelp,
>> QtMultimedia,
>> [   58s] QtMultimediaWidgets, QtNetwork, QtOpenGL, QtPrintSupport,
>> QtQml, QtQuick,
>> [   58s] QtSql, QtSvg, QtTest, QtWebKit, QtWebKitWidgets, QtWidgets,
>> QtXml,
>> [   58s] QtXmlPatterns, QtDesigner, QtDBus, _QOpenGLFunctions_2_0,
>> [   58s] _QOpenGLFunctions_2_1, _QOpenGLFunctions_4_1_Core, QtSensors,
>> QtSerialPort,
>> [   58s] QtX11Extras, QtBluetooth, QtPositioning, QtQuickWidgets,
>> QtWebSockets,
>> [   58s] QtWebChannel, QtLocation, QtNfc, QtTextToSpeech.
>> [   58s] The PyQt5 Python package will be installed in
>> [   58s] /usr/lib64/python3.6/site-packages.
>> [   58s] PyQt5 is being built with generated docstrings.
>> [   58s] PyQt5 is being built with 'protected' redefined as 'public'.
>> [   58s] The Designer plugin will be installed in
>> /usr/lib64/qt5/plugins/designer.
>> [   58s] The qmlscene plugin will be installed in
>> /usr/lib64/qt5/plugins/PyQt5.
>> [   58s] The QScintilla API file will be installed in
>> /usr/share/qt5/qsci/api/python.
>> [   58s] The PyQt5 PEP 484 stub files will be installed in
>> [   58s] /usr/lib64/python3.6/site-packages/PyQt5.
>> [   58s] The dbus support module will be installed in
>> [   58s] /usr/lib/python3.6/site-packages/dbus/mainloop.
>> [   58s] The PyQt5 .sip files will be installed in /usr/share/sip/PyQt5.
>> [   58s] pyuic5, pyrcc5 and pylupdate5 will be installed in /usr/bin.
>> [   58s] The interpreter used by pyuic5 is /usr/bin/python3.
>> [   58s] Generating the C++ source for the QtCore module...
>> [   58s] /usr/bin/sip-3.6 -w -n PyQt5.sip -t WS_X11 -t Qt_5_15_0 -f -P
>> -o -a QtCore.api -y QtCore.pyi -c
>> /home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/build/QtCore -I sip -I
>> /home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/sip
>> /home/abuild/rpmbuild/BUILD/PyQt5-5.15.3/sip/QtCore/QtCoremod.sip
>> [   58s] sip: Py_ssize_t is undefined
>>
>>
>> It used to work with 5.15.2. Adding -I /usr/include/python3.6m to the
>> sip call does not help. Am I missing something?
>>
>> (This is an rpmbuild for  openSUSE Leap 15.2. Building with SIP v6 and
>> sip-build works fine.)
>
> SIP v4 is unsupported but that was an unintentional change. I can fix
> PyQt5 but it will be some time before the next release. Or I can fix
> SIP v4 (it's the addition of one line) and make a release much sooner.
>
> Phil


Whatever works for you. I could even apply a patch to an existing
release of PyQt5 or SIP v4. But in the meantime, I got approval to
remove the SIPv4 build of PyQt5 for the openSUSE devel projects. This
means removing the Python 2 packages of PyQt5 and all depending software
as well. (It does not mean that it vanishes from the "stable" distros
SLE and openSUSE Leap).

Thanks,
Ben