diff --git a/comms/libinfinity/Portfile b/comms/libinfinity/Portfile
index a6c0b01a2f3e8..6172d3b309045 100644
--- a/comms/libinfinity/Portfile
+++ b/comms/libinfinity/Portfile
@@ -3,6 +3,10 @@
 PortSystem      1.0
 PortGroup       github 1.0
 PortGroup       gobject_introspection 1.0
+PortGroup       legacysupport 1.1
+
+# getline
+legacysupport.newest_darwin_requires_legacy 10
 
 github.setup    gobby libinfinity 0.7.2
 revision        0