[PyQt] Segfault when building wxPython with SIP 4.19.11

[Scott Talbert]

On Fri, 6 Jul 2018, Phil Thompson wrote:

>>> Hi,
>>> 
>>> I'm seeing a segfault when building wxPython with SIP 4.19.11.
>>> 
>>> Running command: sip
>>> /usr/bin/sip -w -o -g -I /home/talbert/Downloads/wxPython-4.0.1/src -I
>>> /home/talbert/Downloads/wxPython-4.0.1/sip/gen -c /tmp/tmpdH4lfu -b
>>> sip/cpp/_core.sbf -X pycode_core:wx/core.py sip/gen/_core.sip
>>> Segmentation fault (core dumped)
>>> 
>>> (gdb) bt
>>> #0  prcode (fp=fp at entry=0x55f0f0d13ed0, fmt=0x55f0f042adc7 
>>> "\");\n#else\n",
>>>     fmt at entry=0x55f0f042ad58 "    /* Get the SIP module's API. */\n#if
>>> PY_VERSION_HEX >= 0x02050000\n    sip_sipmod =
>>> PyImport_ImportModule(\"%s\");\n#else\n")
>>>     at ./sipgen/gencode.c:14489
>>> #1  0x000055f0f04004e6 in generateSipImport (mod=0x55f0f0d14180,
>>>     fp=0x55f0f0d13ed0, sipName=0x0) at ./sipgen/gencode.c:2775
>>> #2  generateCpp (pt=pt at entry=0x7ffd5c4cabc0, mod=<optimized out>,
>>>     codeDir=codeDir at entry=0x7ffd5c4cc455 "/tmp/tmpdH4lfu",
>>>     srcSuffix=srcSuffix at entry=0x55f0f0422866 ".cpp", parts=parts at entry=0,
>>>     needed_qualifiers=needed_qualifiers at entry=0x0, xsl=0x0, py_debug=0,
>>>     sipName=0x0) at ./sipgen/gencode.c:2561
>>> #3  0x000055f0f0403269 in generateCode (pt=0x7ffd5c4cabc0,
>>>     codeDir=0x7ffd5c4cc455 "/tmp/tmpdH4lfu",
>>>     buildFile=0x7ffd5c4cc467 "sip/cpp/_core.sbf", docFile=<optimized out>,
>>>     srcSuffix=0x55f0f0422866 ".cpp", except=<optimized out>, trace=0,
>>>     releaseGIL=1, parts=0, needed_qualifiers=0x0, xsl=0x0, consModule=0x0,
>>>     docs=1, py_debug=0, sipName=0x0) at ./sipgen/gencode.c:358
>>> #4  0x000055f0f03e4e15 in main (argc=15, argv=0x7ffd5c4cae58)
>>>     at ./sipgen/main.c:291
>>> 
>>> 4.19.8 worked ok.
>> 
>> It should be fixed in the current snapshot. 4.19.12 will be released
>> over the weekend.
>
> However there are slight changes to the way a private sip module is 
> specified. I don’t know if this affects how wxPython is built.

I don't know either.  When I build wxPython, I am building it for Fedora 
or Debian packages, and I build it using the public sip module, stripping 
out the bundled copy.

Scott