--- tools/build/src/tools/clang-darwin.jam.orig	2021-05-30 15:15:28.000000000 +0100
+++ tools/build/src/tools/clang-darwin.jam	2021-05-30 15:16:03.000000000 +0100
@@ -54,7 +54,7 @@
 #   compile and link options allow you to specify addition command line options for each version
 rule init ( version ? :  command * : options * )
 {
-    command = [ common.get-invocation-command clang-darwin : clang++
+    command = [ common.get-invocation-command clang-darwin : __MACPORTS_CXX__
         : $(command) : /usr/bin /usr/local/bin ] ;
 
     # Determine the version
