Rudimentary C Rakefile

Rakefile

rule ".o" => ".c" do |t|
  execute "cc -c #{t.source} -o #{t.name}"
end

rule /^((?!\w*\.\w*).)*$/ => ".c" do |t|
  deps = t.prerequisites
  objects = deps.select { |d| d.pathmap == ".o" }
  execute "cc #{t.source} #{objects.join ' '} -o #{t.name}"
end

def execute(cmd)
  puts(cmd)
  system(cmd, out: $stdout)
end