gentoo-overlay/sci-mathematics/gfan/files/gfan-0.6.2-xcode9.3_compat.patch

diff --git a/src/app_main.cpp b/src/app_main.cpp
index a33c042..e7ade81 100644
--- a/src/app_main.cpp
+++ b/src/app_main.cpp
@@ -205,7 +205,7 @@ public:
     }
 
     ep->close();
-    delete ep;//<--- In next release, make the class virtual
+//    delete ep;//<--- In next release, make the class virtual # this is miscompiled clang@xcode-6.3
 
     printf("\n");