Fix Issue 4814 - rdmd: Doesn't rebuild when using -of and turning an -L linker option on or off

[andralex]

This was a design issue, which this diff fixes by adding a new file to track the last build time.

[andralex]

http://d.puremagic.com/issues/show_bug.cgi?id=4814

[andralex]

wondering why github didn't automatically notify bugzilla...

[ghost]

It's notified when the pull is merged.

[ghost]

LGTM, although it's a shame we don't have a test-suite for RDMD. I guess we could work on this some time later.

[andralex]

Cool. You should know you get to merge, too :o).

[ghost]

Cool. You should know you get to merge, too :o).

I'm waiting for it to become official, you did say you were going to publish results about the community vote.

[andralex]

Destroy. http://goo.gl/LPFSL

[andralex]

I agree a test suite for rdmd would be awesome.

[ghost]

I agree a test suite for rdmd would be awesome.

I'll work on it then.

[andralex]

@AndrejMitrovic: destroy. http://d.puremagic.com/issues/show_bug.cgi?id=9662

[ghost]

Thanks, I'll add this as a test-case later.