From: Joe Van Dyk <joevandyk@...>
Date: 2005-07-17T09:28:01+09:00
Subject: Re: rake question

On 7/15/05, Stefan Lang <langstefan@gmx.at> wrote:
> On Friday 15 July 2005 22:24, Joe Van Dyk wrote:
> [...]
> > > What I'm trying to do is become a better software developer.  So, I've
> > > got a couple C and C++ books.  I want to do the examples in them.  So
> > > I'll have directories like
> > > /
> > > /c/
> > > /c/problem_1_1/
> > > /c/problem_1_2/
> > > /c/problem_1_2/main.c
> > > /c/problem_1_2/foo.c
> > > /c/problem_1_2/foo.h
> > > /c/problem_1_2/test_foo.c
> > > /c++/
> > >
> > >
> > > And so on.  I want a Rake file that will go into the directory
> > > structure, compile all the code, compile all the test code, and run
> > > the tests.  Then I want it to create syntax-highlighted webpages that
> > > shows for each example the code and the output and the tests, and then
> > > posts them to a website where I can get comments on them.
> > >
> > > Perhaps I'll have separate build directories (so I can build and test
> > > the code on Windows, Linux, FreeBSD, and OS X)..
> > >
> > > So, I'm looking for help for that.
> >
> > And I haven't looked at Rant much, would it be better for my purposes?
> >  Rake and Rant are both general purpose build utilities, right?
> 
> Yes, but Rant can automatically determine the dependencies between
> C/C++ sources files (by extracting #include statements) and it has
> some support for multiple directories (i.e. more than one Rantfile).
> 
> Actually a good example. I came up with the following solution for Rant:
> 
> % ls
> c  c++ Rantfile rule.rf
> % ls c
> problem_1_1  template.rf
> % ls c++
> problem_1_1 template.rf
> 
> The main Rantfile in the root directory copies the c/template.rf Rantfile
> into all c/problem_* directories and the c++/template.rf into all
> c++/problem_* directories.
> 
> If you run rant in the root directory, it will compile all tests
> and run them. To compile only, run rant with "build" as only argument.
> During work on one of the exercises you can change into the c(++)/problem*
> directory and run rant to only compile/run the current exercise.
> 
> The example is in the attachment. The only problem is, that the last
> Rant release contains a bug with regards to the Rule/subdirectory
> combination. If you want, I can send you my development version offlist.

Yeah, when I run 'rant', I get:
rant: [ERROR] Name error when loading
`/home/joe/repos/joe/learning/c_cpp_exercises/c++/problem_1_1/Rantfile':
              undefined method `sub_ext' for #<Rant::RacFileList:0x4026baf4>
              /usr/lib/ruby/gems/1.8/gems/rant-0.4.0/lib/rant/rantsys.rb:122:in
`method_missing'
              /home/joe/repos/joe/learning/c_cpp_exercises/c++/problem_1_1/Rantfile:13:in
`instance_eval'
              /usr/lib/ruby/gems/1.8/gems/rant-0.4.0/lib/rant/rantlib.rb:1002:in
`instance_eval'
              /usr/lib/ruby/gems/1.8/gems/rant-0.4.0/lib/rant/rantlib.rb:1002:in
`load_file'
              /usr/lib/ruby/gems/1.8/gems/rant-0.4.0/lib/rant/rantlib.rb:686:in
`subdirs'

And so on.  Would that be fixed in the development version?