RFR: JDK-8069064 Various improvements and fixes in build system

[Magnus Ihse Bursie]

On 2015-01-16 10:34, Volker Simonis wrote:
>> What you can do right now, if you use bash, is activating advanced bash
>> completion. Then you can type "make " and tab your way through the targets,
>> which is what I usually do. A warning though that without typing a few
>> letters, you get several hundreds targets listed.
>>
> Aadvanced bash completion is a cool feature I wasn't aware of until
> now - thanks for mentioning it.
>
> Unfortunately it doesn't seem to work out of the box on my Ubuntu
> 12.04. I only get:
>
> $ make [TAB][TAB]
> default   Error     help      Makefile
>
> Do you use a special completion script?

I believe you might be trying this is a non-bleeding-edge repo. :-)

The problem is not in the bash completion, but in the makefile. This is 
what happens if you do not have exactly one configuration, and are 
standing in the source root directory. :-( This was very recently fixed 
in jdk9, so that it should work even with multiple configurations, or 
when standing in the build output directory. Without any configuration 
at all, this is all you'll ever get, though (because without a 
configuration, make cannot figure out which targets should be available, 
and in a way, "no" targets are available unless you have a configuration).

/Magnus