1: #! ./miniruby
    2: 
    3: dir = File.expand_path("../..", __FILE__)
    4: $:.unshift(File.join(dir, "lib"))
    5: $:.unshift(dir)
    6: $:.unshift(".")
    7: require 'mkmf'
    8: require 'erb'
    9: 
   10: if /--builtin-encs=/ =~ ARGV[0]
   11:   BUILTIN_ENCS = $'.split.map {|e| File.basename(e, '.*') << '.c'}
   12:   ARGV.shift
   13: else
   14:   BUILTIN_ENCS = []
   15: end
   16: 
   17: if File.exist?(depend = File.join($srcdir, "depend"))
   18:   erb = ERB.new(File.read(depend), nil, '%')
   19:   erb.filename = depend
   20:   tmp = erb.result(binding)
   21:   dep = "\n#### depend ####\n\n" << depend_rules(tmp).join
   22: else
   23:   dep = ""
   24: end
   25: mkin = File.read(File.join($srcdir, "Makefile.in"))
   26: mkin.gsub!(/@(#{CONFIG.keys.join('|')})@/) {CONFIG[$1]}
   27: open(ARGV[0], 'wb') {|f|
   28:   f.puts mkin, dep
   29: }