Platform specific DMD tests

[Daniel Murphy via Digitalmars-d]

"Jacob Carlborg"  wrote in message news:lupobq$26pp$1 at digitalmars.com...

> Some of the need to compile Objective-C code.

Are you planning to do that with shell scripts or by adding a feature to 
d_do_test?  You could fairly easily add EXTRA_OBJC_FILES to d_do_test and 
then disable building on non-osx platforms when it's present, even if it has 
zero files.