From: Jim Weirich <jim@...>
Date: 2004-08-28T07:14:49+09:00
Subject: Re: Rake Bug


jim@freeze.org said:
> * Jim Weirich <jim@weirichhouse.org> [2004-08-28 05:11:24 +0900]:
>
>>
>> If you want something to be dependent upon the rakefile, then declare
>> the
>> Rakefile in the dependencies.
>
> Good idea. So, does the following look like a good way to do this?
>
> The following:
>
>     file "app" => ["app.o"] do
>       # link app
>     end
>
>     file "app.o" => ["main.c", "app.c"] do
>       # compile app.o
>     end
>
> would become:
>
>     file "app" => ["app.o"] do
>       # link app
>     end
>
>     file "app.o" => ["main.c", "app.c"] do
>       # compile app.o
>     end
>
>     file "app.c"  => ["Rakefile"] do |t|
>       sh "touch #{t.name}"
>     end
>     file "main.c" => ["Rakefile"] do |t|
>       sh "touch #{t.name}"
>     end

Hmmm ... I don't _think_ the touch is needed.  The fact that a dependency
has a later time _should_ be enough to trigger its rebuild.  I won't get a
chance to test this until this evening however.

-- 
-- Jim Weirich     jim@weirichhouse.org    http://onestepback.org
-----------------------------------------------------------------
"Beware of bugs in the above code; I have only proved it correct,
not tried it." -- Donald Knuth (in a memo to Peter van Emde Boas)