Extern functions can't have default arguments. I've made this an explicit error.
On Wed, Apr 22, 2015 at 1:07 PM, Michael Enßlin <mich...@ensslin.cc> wrote: > Hi everybody, > > Cython 0.21.1, from Debian Sid, and Cython 0.22, from Gentoo, produce > invalid C Code for the following .pyx file: > > > > $ cat test.pyx > cimport cpython > > cdef extern from "test.h": > cdef void foo(int i = 0) > > def bar(self): > foo(0) > > > > $ cat test.h > void foo(int i); > > > > $ cython test.pyx > > > > $ gcc -c test.c -I/usr/include/python3.4m > test.c: In function ‘__pyx_pf_4test_bar’: > test.c:659:35: error: storage size of ‘__pyx_t_1’ isn’t known > struct __pyx_opt_args_4test_foo __pyx_t_1; > > > > $ clang test.c -I/usr/include/python3.4m > test.c:659:35: error: variable has incomplete type 'struct > __pyx_opt_args_4test_foo' > struct __pyx_opt_args_4test_foo __pyx_t_1; > test.c:659:10: note: forward declaration of 'struct > __pyx_opt_args_4test_foo' > struct __pyx_opt_args_4test_foo __pyx_t_1; > > > > Note that this is a minimal example; removing anything from test.pyx > fixes the issue (the 'cimport' statement, the default value for int i, > and the call to foo). The issue also occurs with --cplus. > > > Happy debugging, > mic_e > > > _______________________________________________ > cython-devel mailing list > cython-devel@python.org > https://mail.python.org/mailman/listinfo/cython-devel > _______________________________________________ cython-devel mailing list cython-devel@python.org https://mail.python.org/mailman/listinfo/cython-devel
