Beautify the output of rake

mrblib/mrblib.rake

@@ -7,6 +7,7 @@ MRuby.each_target do
     mrbc_, *rbfiles = t.prerequisites
     FileUtils.mkdir_p File.dirname(t.name)
     open(t.name, 'w') do |f|
+      _pp "GEN *.rb > #{t.name}"
       f.puts File.read("#{dir}/init_mrblib.c")
       mrbc.run f, rbfiles, 'mrblib_irep'
     end

tasks/mruby_build_commands.rake

@@ -52,6 +52,7 @@ module MRuby
       include_path_flags = [include_paths, _include_paths, File.dirname(infile)].flatten.map do |f|
         option_include_path % filename(f)
       end
+      _pp "CC #{filename(infile)} > #{filename(outfile)}"
       _run compile_options, { :flags => (flags + define_flags + include_path_flags + _flags).join(' '),
                               :infile => filename(infile), :outfile => filename(outfile) }
     end
@@ -115,6 +116,7 @@ module MRuby
       FileUtils.mkdir_p File.dirname(outfile)
       library_flags = [libraries, _libraries].flatten.reverse.map{ |d| option_library % d }
       library_path_flags = [library_paths, _library_paths].flatten.map{ |f| option_library_path % filename(f) }
+      _pp "LD #{filename(outfile)}"
       _run link_options, { :flags => (flags + library_path_flags + _flags).join(' '),
                            :outfile => filename(outfile) , :objs => filename(objfiles).join(' '),
                            :libs => library_flags.join(' ') }
@@ -132,6 +134,7 @@ module MRuby
 
     def run(outfile, objfiles)
       FileUtils.mkdir_p File.dirname(outfile)
+      _pp "AR #{filename(outfile)}"
       _run archive_options, { :outfile => filename(outfile), :objs => filename(objfiles).join(' ') }
     end
   end
@@ -147,6 +150,7 @@ module MRuby
 
     def run(outfile, infile)
       FileUtils.mkdir_p File.dirname(outfile)
+      _pp "YACC #{filename(infile)} > #{filename(outfile)}"
       _run compile_options, { :outfile => filename(outfile) , :infile => filename(infile) }
     end
   end
@@ -162,6 +166,7 @@ module MRuby
 
     def run(outfile, infile)
       FileUtils.mkdir_p File.dirname(outfile)
+      _pp "GPERF #{filename(infile)} > #{filename(outfile)}"
       _run compile_options, { :outfile => filename(outfile) , :infile => filename(infile) }
     end
   end
@@ -178,6 +183,7 @@ module MRuby
     end
 
     def run_clone(dir, url, _flags = [])
+      _pp "GIT #{url} > #{filename(dir)}"
       _run clone_options, { :flags => [flags, _flags].flatten.join(' '), :url => url, :dir => filename(dir) }
     end
   end
@@ -193,6 +199,7 @@ module MRuby
       @command ||= @build.mrbcfile
       IO.popen("#{filename @command} #{@compile_options % {:funcname => funcname}}", 'r+') do |io|
         [infiles].flatten.each do |f|
+          _pp "  MRBC #{f}"
           io.write IO.read(f)
         end
         io.close_write

test/mrbtest.rake

@@ -19,6 +19,7 @@ MRuby.each_target do
 
   file mlib => [clib]
   file clib => [mrbcfile, init, asslib] + mrbs do |t|
+    _pp "GEN *.rb > #{clib}"
     open(clib, 'w') do |f|
       f.puts IO.read(init)
       mrbc.run f, [asslib] + mrbs, 'mrbtest_irep'