casa-mp-base

--- tools/build/src/tools/clang-darwin.jam.orig 2019-08-14 05:03:50.000000000 -0700

+++ tools/build/src/tools/clang-darwin.jam  2019-08-28 08:47:22.000000000 -0700

@@ -49,7 +49,7 @@

 #   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