Fix building with Xcode 12 by defining move constructors for FontAlias, Style,

and PositionCacheEntry.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/Style.h b/src/Style.h
index 432dcf946..071d752ca 100644
--- a/src/Style.h
+++ b/src/Style.h
@@ -33,9 +33,9 @@ struct FontSpecification {
 class FontAlias : public Font {
 public:
 	FontAlias() noexcept;
-	// FontAlias objects can not be assigned except for initialization
+	// FontAlias objects can be copy or move constructed but not be assigned
 	FontAlias(const FontAlias &) noexcept;
-	FontAlias(FontAlias &&)  = delete;
+	FontAlias(FontAlias &&) noexcept;
 	FontAlias &operator=(const FontAlias &) = delete;
 	FontAlias &operator=(FontAlias &&) = delete;
 	~FontAlias() override;
@@ -72,7 +72,7 @@ public:
 
 	Style();
 	Style(const Style &source) noexcept;
-	Style(Style &&) = delete;
+	Style(Style &&) noexcept = default;
 	~Style();
 	Style &operator=(const Style &source) noexcept;
 	Style &operator=(Style &&) = delete;