New submission from Marius Gedminas:
I'm seeing these compiler warnings while trying to build Python 3.5 on Ubuntu
15.04:
In file included from Python/ceval.c:300:0:
Python/ceval_gil.h: In function ‘drop_gil’:
Python/ceval_gil.h:181:144: warning: initialization from incompatible pointer
type
_Py_atomic_store_relaxed(&gil_last_holder, tstate);
^
In file included from Python/ceval.c:300:0:
Python/ceval_gil.h: In function ‘take_gil’:
Python/ceval_gil.h:243:144: warning: initialization from incompatible pointer
type
_Py_atomic_store_relaxed(&gil_last_holder, tstate);
^
Python/pystate.c: In function ‘PyThreadState_Swap’:
Python/pystate.c:509:147: warning: initialization from incompatible pointer type
_Py_atomic_store_relaxed(&_PyThreadState_Current, newts);
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c: In function
‘classify_argument’:
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:224:16: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < words; i++)
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:245:20: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < num; i++)
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:264:20: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 1; i < words; i++)
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:270:16: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < words; i++)
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c: In function
‘examine_argument’:
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:323:17: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < n; ++i)
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c: In function
‘ffi_call’:
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:484:18: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < n; j++, a += 8, size -= 8)
^
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c: In function
‘ffi_closure_unix64_inner’:
/home/mg/src/cpython/Modules/_ctypes/libffi/src/x86/ffi64.c:659:18: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < n; j++, a += 8)
^
I saw bug #1616 and thought you might want to know about these.
----------
components: Build
messages: 250513
nosy: mgedmin
priority: normal
severity: normal
status: open
title: Compiler warnings: initialization from incompatible pointer type
type: compile error
versions: Python 3.5
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Python tracker <[email protected]>
<http://bugs.python.org/issue25077>
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