* Makefile.in, bcc32/Makefile.sub, win32/Makefile.sub, configure.in,

runruby.rb: run rdoc, test and so on with compiled extension
  libraries.  [ruby-dev:22688]

* ext/extmk.rb, lib/mkmf.rb: make extension libraries in separated
  directory, similar to the actual directory structure.

* lib/fileutils.rb (FileUtils.copy_file): use the mode of the original
  file to create new file.

* lib/rdoc/ri/ri_paths.rb (RI::Paths::SYSDIR): get rid of unexpected
  influence by envirionment variable.

* bcc32/configure.bat, win32/configure.bat: add install-doc options.

* win32/win32.c, win32/win32.h (rb_w32_fstat): fix Borland C runtime
  bug which returns wrong mode.  [ruby-dev:22846]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

runruby.rb

@@ -0,0 +1,50 @@
+#!./miniruby
+
+while arg = ARGV[0]
+  break ARGV.shift if arg == '--'
+  /\A--([-\w]+)(?:=(.*))?\z/ =~ arg or break
+  arg, value = $1, $2
+  re = Regexp.new('\A'+arg.gsub(/\w+\b/, '\&\\w*')+'\z', "i")
+  case
+  when re =~ "srcdir"
+    srcdir = value
+  when re =~ "archdir"
+    archdir = value
+  when re =~ "extout"
+    extout = value
+  else
+    break
+  end
+  ARGV.shift
+end
+
+require 'rbconfig'
+config = Config::CONFIG
+
+srcdir ||= File.dirname(__FILE__)
+archdir ||= '.'
+
+ruby = File.join(archdir, config["RUBY_INSTALL_NAME"]+config['EXEEXT'])
+unless File.exist?(ruby)
+  abort "#{ruby} is not found.\nTry `make' first, then `make test', please.\n"
+end
+
+abs_archdir = File.expand_path(archdir)
+libs = [abs_archdir, File.expand_path("lib", srcdir)]
+if extout
+  abs_extout = File.expand_path(extout)
+  libs << abs_extout << File.expand_path(RUBY_PLATFORM, abs_extout)
+end
+config["bindir"] = abs_archdir
+
+if e = ENV["RUBYLIB"]
+  libs |= e.split(File::PATH_SEPARATOR)
+end
+ENV["RUBYLIB"] = $:.replace(libs).join(File::PATH_SEPARATOR)
+
+if File.file?(File.join(archdir, config['LIBRUBY_SO'])) and
+    e = config['LIBPATHENV'] and !e.empty?
+  ENV[e] = [abs_archdir, ENV[e]].compact.join(File::PATH_SEPARATOR)
+end
+
+exec ruby, *ARGV