Re: bmake: variable modifiers in SysV include

["Simon J. Gerraty" <sjg%juniper.net@localhost>]

David Holland <dholland-tech%netbsd.org@localhost> wrote:

> On Thu, Mar 29, 2018 at 07:32:40AM +0000, Pietro Cerutti wrote:
>  > Anybody with historical memory on SysV-style "include" directive in bmake
>  > can shed a light on why an include is prevented if a colon is found in the
>  > parsed line?
> 
> It doesn't require historical memory. The test is there is so rules
> like
> 
>    include lib bin sbin etc:
>            mkdir $@ && cd $@ && $(MAKE) -f $(SRC)/$@/Makefile
> 
> are not mishandled as inclusions. Use the bmake include syntax; it was
> put there for a reason.
> 
> If you're trying to write a portable makefile, you should limit
> yourself to reliable constructions; I very much doubt your own example
> will work reliably in vintage make dialects.

FWIW the existing test could ignore ':' if followed by non-white-space.