# Example Rakefile -*- ruby -*- task :default => [:main] file "a.o" => ["a.c"] do |t| src = t.name.sub(/\.o$/, '.c') sh "gcc #{src} -c -o #{t.name}" end file "b.o" => ["b.c"] do |t| src = t.name.sub(/\.o$/, '.c') sh "gcc #{src} -c -o #{t.name}" end file "main.o" => ["main.c"] do |t| src = t.name.sub(/\.o$/, '.c') sh "gcc #{src} -c -o #{t.name}" end OBJFILES = ["a.o", "b.o", "main.o"] task :obj => OBJFILES file "main" => OBJFILES do |t| sh "gcc -o #{t.name} main.o a.o b.o" end task :clean do rm_f FileList['*.o'] Dir['*~'].each { |fn| rm_f fn } end task :clobber => [:clean] do rm_f "main" end task :run => ["main"] do sh "./main" end