When building from CVS head, I get this warning for each file compiled:
gcc -c -DNDEBUG -g -I. -I../Include -DPy_BUILD_CORE -o Objects/rangeobject.o ../Objects/rangeobject.c
In file included from ../Include/Python.h:70,
from ../Objects/rangeobject.c:3:
../Include/objimpl.h:252: warning: use of `long double' type; its size may change in a future release
../Include/objimpl.h:252: warning: (Long double usage is reported only once for each file.
../Include/objimpl.h:252: warning: To disable this warning, use -Wno-long-double.)
The culprit is the long double alignment field in:
/* GC information is stored BEFORE the object structure. */
typedef union _gc_head {
struct {
union _gc_head *gc_next;
union _gc_head *gc_prev;
int gc_refs;
} gc;
long double dummy; /* force worst-case alignment */
} PyGC_Head;
I don't know what the best way to fix this is. Should I look at making
configure add -Wno-long-double in the proper situations or should that
alignment field be something else in situations where the use of long double
would generate a warning?
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