Silence macOS 10.13 deprecation notices (Bug#29643)

* src/nsfns.m (Fx_display_backing_store):
(Fx_display_save_under): Don't use NSBackingStoreRetained or
NSBackingStoreNonretained on macOS 10.13+.
* src/nsselect.m (symbol_to_nsstring):
(ns_string_to_symbol):
(nxatoms_of_nsselect): Replace NSGeneralPboard with
NSPasteboardNameGeneral.
* src/nsterm.h: #define NSPasteboardNameGeneral to NSGeneralPboard on
GNUstep and macOS < 10.13.
* src/nsterm.m (EmacsView::resetCursorRects):
(EmacsScroller::resetCursorRects): Don't use setOnMouseEntered on
macOS 10.13+.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/nsfns.m b/src/nsfns.m
index 81722681674..064b476fb4e 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -1896,10 +1896,12 @@ If omitted or nil, that stands for the selected frame's display.  */)
     {
     case NSBackingStoreBuffered:
       return intern ("buffered");
+#if defined (NS_IMPL_GNUSTEP) || MAC_OS_X_VERSION_MIN_REQUIRED < 101300
     case NSBackingStoreRetained:
       return intern ("retained");
     case NSBackingStoreNonretained:
       return intern ("non-retained");
+#endif
     default:
       error ("Strange value for backingType parameter of frame");
     }
@@ -1953,9 +1955,11 @@ If omitted or nil, that stands for the selected frame's display.  */)
     case NSBackingStoreBuffered:
       return Qt;
 
+#if defined (NS_IMPL_GNUSTEP) || MAC_OS_X_VERSION_MIN_REQUIRED < 101300
     case NSBackingStoreRetained:
     case NSBackingStoreNonretained:
       return Qnil;
+#endif
 
     default:
       error ("Strange value for backingType parameter of frame");