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List:       pykde
Subject:    Re: [PyQt]  =?utf-8?q?PyQt4=3A_compilation_error_with_sip_4=2E19=2E14?=
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2019-02-19 12:32:42
Message-ID: D4884AB7-1F99-444E-846E-58222921D6B5 () riverbankcomputing ! com
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On 18 Feb 2019, at 8:12 pm, Alexei Colin <ac@alexeicolin.com> wrote:
> 
> Hi, build of PyQt4 fails with sip 4.19.14:
> 
> g++ -c -pipe -fno-exceptions -march=x86-64 -mtune=generic -O2 -pipe
> -fstack-protector-strong -fno-plt -Wall -W -D_REENTRANT -fPIC
> -DSIP_PROTECTED_IS_PUBLIC -Dprotected=public -DQT_NO_DEBUG -DQT_PLUGIN
> -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I.
> -I/usr/include/qt4/QtCore -I/usr/include/qt4 -I.
> -I/usr/include/python3.7m -I../qpy/QtCore -I. -o
> sipQtCoreQAbstractTransition.o sipQtCoreQAbstractTransition.cpp
> /home/col/.cache/pikaur/build/pyqt4/src/PyQt4_gpl_x11-4.12.3/QtCore/sipQtCoreQAbstractTransition.cpp:812:1:
>                 
> error: cannot convert ‘std::nullptr_t' to ‘int' in initialization
> 
> This is on Arch Linux, gcc 8.2.1, sip.h from sip 4.19.14.
> 
> This ugly workaround to edit the generated code gets rid of the error:
> 
> find . -type f -name '*.cpp' -exec sed -i 's/{SIP_NULLPTR, SIP_NULLPTR, \
> SIP_NULLPTR, SIP_NULLPTR}/{SIP_NULLPTR, SIP_NULLPTR, SIP_NULLPTR, 0}/g' {} \; 
> Possibly related:
> 
> http://python.6.x6.nabble.com/PATCH-1-5-Add-SIP-NULLPTR-SIP-OVERRIDE-compatibility-macros-td5240856.html
>  
> Just reporting so that this may be fixed in the next release. Thanks.

Should be fixed (but untested) with tonight's sip snapshot.

Thanks,
Phil

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