> On Dec 22, 2021, at 7:23 AM, Bruno Haible wrote:
>
> Ken Cunningham:
>> So that is why with the usual SDK usage on macOS systems, you don't
>> have to add the weak linking macros yourself, in most cases.
>
> Your proposed approach may work "in most cas
In <
https://opensource.apple.com/source/xnu/xnu-2422.1.72/libsyscall/wrappers/libproc/libproc.h.auto.html>
we see this:
int proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int
buffersize) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
it is this part here:
__OSX_AVAILABLE_
> I asked:
> > What solution can you offer so that
> > - in < 10.5, we have no error,
> > - in >= 10.5, proc_pidinfo gets used?
>
> Would this work?
>
> int proc_pidinfo (int, int, uint64_t, void *, int) WEAK_IMPORT_ATTRIBUTE;
>
> if (proc_pidinfo != NULL)
> {
> ... code that invokes p
