CC = "gcc"

task :default => "omikuji11"

file "omikuji11" => ["omikuji11.o"] do
    sh "#{CC} -o omikuji11 omikuji11.o"
end

file "omikuji11.o" => "omikuji11.c" do
    sh "#{CC} -c omikuji11.c"
end