[Boost-build] DEFINES with multiple dependencies?

Subject: [Boost-build] DEFINES with multiple dependencies?
From: Kuhl, Brian (brian.kuhl_at_[hidden])
Date: 2016-02-11 01:48:33

Hi,
I thought wanted:
toolset.flags  gcc.compile.c++ DEFINES <exception-handling>off <target-os>vxworks : _NO_EX=1 ;

To add -D_NO_EX=1 to the compile when exceptions are off and we are targeting VxWorks
But that didn't work.

What should it be?

Many thanks,

Brian Kuhl
Wind River