Diff of /src/foreign/vigra/vigra/cachedfileimage.hxx [e07f13] .. [752123] Maximize Restore

  Switch to side-by-side view

--- a/src/foreign/vigra/vigra/cachedfileimage.hxx
+++ b/src/foreign/vigra/vigra/cachedfileimage.hxx
@@ -554,7 +554,7 @@
 template <class T, class Notify>
 class NotifyingDirectionSelector<UnstridedArrayTag, T, Notify>
 {
-#ifdef __GNUC__
+#if defined __GNUC__ && !defined __clang__
 friend class Notify::self_type;
 #else
 friend typename Notify::self_type;