I am using the HEAD version of MPC, along with the HEAD version of ACE/TAO

I have a base project Foo.mpb that looks like this:

project {
  Define_Custom(Foo) {
    automatic             = 1
    command               = <%quote%>Foo<%quote%>
    commandflags          = <%input_noext%>C.h
    dependent             = <%quote%>Foo<%quote%>
    source_outputext      = .cpp
    header_outputext      = .h

    keyword foo_flags = commandflags
  }
}

So assume I have something like this in an MPC file called Bar1.mpc

project : Foo {
  Foo_Files {
    Bar.adl
  }
}

Then I should see the following when I make:

"Foo" BarC.h Bar.adl


----------
$ make Bar1

GNUmakefile: /builds/tmp/GNUmakefile.Bar1 MAKEFLAGS=

"Foo" BarC.h Bar.adl
/bin/sh: Foo: command not found
make[1]: *** [Bar.h] Error 127
make: *** [Bar1] Error 2
----------

The above gave me what I was expecting, no problemo.




Now say I have something like this in an MPC file called Bar2.mpc

Then I should see the following when I make:

"Foo" BarC.h Abdul Bar.adl

project : Foo {
  Foo_Files {
    Bar.adl
  }

  foo_flags += Abdul
}

-----------------
$ make Bar2

GNUmakefile: /builds/tmp/GNUmakefile.Bar2 MAKEFLAGS=

"Foo" C.h Abdul Bar.adl
/bin/sh: Foo: command not found
make[1]: *** [Bar.h] Error 127
make: *** [Bar2] Error 2
-----------------

Notice the above when I make. I get C.h not BarC.h. When I set foo_flags += in an MPC project MPC then set <%input_noext%> to NULL.