--- gigedit/trunk/configure.ac	2016/09/24 23:34:37	2994
+++ gigedit/trunk/configure.ac	2017/01/02 22:20:51	3069
@@ -72,6 +72,7 @@
 
 if test "$mac" = "yes"; then
     AC_PROG_OBJC
+    AC_PROG_OBJCXX
 fi
 
 PKG_PROG_PKG_CONFIG