On Mon, 28 Sep 2020 at 15:23, Daniel P. Berrangé <berra...@redhat.com> wrote: > > On Mon, Sep 28, 2020 at 03:14:45PM +0100, Peter Maydell wrote: > > On Mon, 28 Sep 2020 at 15:06, Daniel P. Berrangé <berra...@redhat.com> > > wrote: > > > I think this can be simplified even more by using GLib's macros > > > > > > #define GCC_FMT_ATTR(n, m) G_GNUC_PRINTF(n, m) > > > > At least on my system G_GNUC_PRINTF() expands to > > __format__(__printf__,...), not gnu_printf, so it is > > not quite what we want. (The difference is that on Windows > > hosts we still want to mark up our our logging functions as > > taking the glibc style format handling, not whatever the > > MS C library format escapes happen to be.) > > At a minimum you'd need to keep in the "on Windows, > > redefine __printf__ to __gnu_printf__" logic. > > > > See also commit 95df51a4a02a853. > > Oh, that's a bug in old GLib versions. I thought we had a new enough > min to avoid that problem, but i guess not after all.
Looks like the implementation changed 2 years ago: https://gitlab.gnome.org/GNOME/glib/-/commit/98a0ab929d8c59ee27e5f470f11d077bb6a56749 not sure which glib version that would correspond to. thanks -- PMM