[Spice-devel] [PATCH spice-gtk v3 3/5] Remove warning about unused variable when building on macOS

[Christophe Fergeau]

On Wed, May 17, 2017 at 03:47:48AM -0400, Frediano Ziglio wrote:
> > 
> > From: Christophe de Dinechin <dinechin at redhat.com>
> > 
> > On macOS, neither of the two cases implemented in set_mouse_accel applies.
> > We get the following eror message:
> > 
> >   CC       spice-widget.lo
> > spice-widget.c:944:26: error: unused variable 'd' [-Werror,-Wunused-variable]
> >     SpiceDisplayPrivate *d = display->priv;
> > 
> > Signed-off-by: Christophe de Dinechin <dinechin at redhat.com>
> > ---
> >  src/spice-widget.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/src/spice-widget.c b/src/spice-widget.c
> > index 8203d55..5542e85 100644
> > --- a/src/spice-widget.c
> > +++ b/src/spice-widget.c
> > @@ -941,9 +941,8 @@ static void update_keyboard_grab(SpiceDisplay *display)
> >  
> >  static void set_mouse_accel(SpiceDisplay *display, gboolean enabled)
> >  {
> > -    SpiceDisplayPrivate *d = display->priv;
> > -
> >  #if defined GDK_WINDOWING_X11
> > +    SpiceDisplayPrivate *d = display->priv;
> >      GdkWindow *w = GDK_WINDOW(gtk_widget_get_window(GTK_WIDGET(display)));
> >  
> >      if (!GDK_IS_X11_DISPLAY(gdk_window_get_display(w))) {
> > @@ -965,6 +964,7 @@ static void set_mouse_accel(SpiceDisplay *display,
> > gboolean enabled)
> >                        d->x11_accel_numerator, d->x11_accel_denominator,
> >                        d->x11_threshold);
> >      }
> >  #elif defined GDK_WINDOWING_WIN32
> > +    SpiceDisplayPrivate *d = display->priv;
> >      if (enabled) {
> >          g_return_if_fail(SystemParametersInfo(SPI_SETMOUSE, 0,
> >          &d->win_mouse, 0));
> >          g_return_if_fail(SystemParametersInfo(SPI_SETMOUSESPEED, 0,
> >          (PVOID)(INT_PTR)d->win_mouse_speed, 0));
> 
> A TODO comment on the #else case would be helpful.
> I remember was agreed to add one.

Honestly, I would just keep the compile-time warning until we know what
to do with this code on osx.

Christophe
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