27 Sep
2017
27 Sep
'17
6:51 p.m.
Tracking here the issue exposed by @linuxmaniac via PR #924, as it was merged and then
reverted (by #1248), so anyone can be aware of as well as comment/propose solutions for
it.
Add "-fno-strict-aliasing" to compilation
flags
Fixes a slew of:
"dereferencing type-punned pointer will break strict-aliasing rules"
warnings from GCC for lines of the form:
Py_INCREF(Py_True);
and
Py_INCREF(Py_False);
due to the cast from PyIntObject* to PyObject*
GCC is technically correct here; see:
http://www.python.org/dev/peps/pep-3123/
though this is unlikely to lead to non-working machine code.
The initial proposed patch for `src/modules/app_python/Makefile` is:
```
@@ -22,6 +22,8 @@ ifeq ($(OS), freebsd)
LIBS+=-pthread
endif
+# python2 https://www.python.org/dev/peps/pep-3123/
+DEFS+=-fno-strict-aliasing
DEFS+=-I${PYTHON_INCDIR}
DEFS+=-DKAMAILIO_MOD_INTERFACE
```
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