David Hirschfeld, 29.04.2013 11:58: > Forwarded because attachments were too large. The source files and > generated .c file can now be viewed at: > https://gist.github.com/dhirschfeld/5480711 > > Is this a bug or is the recommendation to not build with -O3? > >> Build log, segfault and version info below. >> Input files and generated .c file attached. >> >> C:\temp> python setup.py build_ext --inplace --force >> running build_ext >> cythoning test_o3.pyx to test_o3.c >> building 'test_o3' extension >> C:\dev\bin\MinGW32\bin\gcc.exe -march=native -mdll -O3 -Wall >> -IC:\dev\bin\Python27\include -IC:\dev\bin\Python27\PC >> -c test_o3.c -o build\temp.win32-2.7\Release\test_o3.o >> test_o3.c: In function '__Pyx_RaiseArgtupleInvalid': >> test_o3.c:1002:18: warning: unknown conversion type character 'z' in >> format [-Wformat] >> test_o3.c:1002:18: warning: format '%s' expects argument of type 'char *', >> but argument 5 has type 'Py_ssize_t' [-Wformat] >> test_o3.c:1002:18: warning: unknown conversion type character 'z' in >> format [-Wformat] >> test_o3.c:1002:18: warning: too many arguments for format >> [-Wformat-extra-args] >> writing build\temp.win32-2.7\Release\test_o3.def >> C:\dev\bin\MinGW32\bin\gcc.exe -march=native -shared -s >> build\temp.win32-2.7\Release\test_o3.o >> build\temp.win32-2.7\Release\test_o3.def >> -LC:\dev\bin\Python27\libs -LC:\dev\bin\Python27\PCbuild -lpython27 >> -lmsvcr90 -o >> C:\temp\test_o3.pyd >> >> C:\temp> python >> Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] >> on win32 >> Type "help", "copyright", "credits" or "license" for more information. >>>>> import Cython; Cython.__version__ >> '0.19' >>>>> import faulthandler; faulthandler.enable() >>>>> from test_o3 import f >>>>> f(1., 2., 3., 4.) >> Fatal Python error: Segmentation fault >> >> Current thread 0x00001c38: >> File "<stdin>", line 1 in <module> >> >> C:\temp> gcc --version >> gcc.exe (tdm-1) 4.7.1 >> Copyright (C) 2012 Free Software Foundation, Inc. >> This is free software; see the source for copying conditions. There is NO >> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-O3 should generally be fine. Could you provide a stack trace of the crash? Stefan _______________________________________________ cython-devel mailing list cython-devel@python.org http://mail.python.org/mailman/listinfo/cython-devel
