expand-config.rb: without fake.rb

* win32/Makefile.sub (ruby_pc): without fake.rb.

* tool/expand-config.rb: no longer depends on fake.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/expand-config.rb

@@ -1,7 +1,32 @@
-STDOUT.binmode
+#!./miniruby -s
+
+config = File.read(conffile = $config)
+config.sub!(/^(\s*)RUBY_VERSION\b.*(\sor\s*)$/, '\1true\2')
+rbconfig = Module.new {module_eval(config, conffile)}::RbConfig
+config = $expand ? rbconfig::CONFIG : rbconfig::MAKEFILE_CONFIG
+config["RUBY_RELEASE_DATE"] ||=
+  File.read(File.expand_path("../../version.h", __FILE__))[/^\s*#\s*define\s+RUBY_RELEASE_DATE\s+"(.*)"/, 1]
+
+while /\A(\w+)=(.*)/ =~ ARGV[0]
+  config[$1] = $2
+  ARGV.shift
+end
+
+re = /@(#{config.keys.map {|k| Regexp.quote(k)}.join('|')})@/
+
+if $output
+  output = open($output, "wb", $mode &&= $mode.oct)
+  output.chmod($mode) if $mode
+else
+  output = STDOUT
+  output.binmode
+end
+
 ARGF.each do |line|
   line.gsub!(/@([a-z_]\w*)@/i) {
-    (RbConfig::MAKEFILE_CONFIG[$1] or "").gsub(/\$\((.+?)\)/, %Q[${\\1}])
+    s = config.fetch($1, $expand ? $& : "")
+    s = s.gsub(/\$\((.+?)\)/, %Q[${\\1}]) unless $expand
+    s
   }
-  puts line
+  output.puts line
 end

win32/Makefile.sub

@@ -1075,8 +1075,9 @@ end
 <<KEEP
 
 $(ruby_pc): $(RBCONFIG)
-	@$(MINIRUBY) -r./rbconfig $(srcdir)/tool/expand-config.rb \
-	$(srcdir)/template/ruby.pc.in > $@
+	@$(BOOTSTRAPRUBY) $(srcdir)/tool/expand-config.rb \
+		-output=$@ -mode=$(INSTALL_DATA_MODE) -config=rbconfig.rb \
+		$(srcdir)/template/ruby.pc.in
 
 {$(srcdir)/enc/trans}.c.obj:
 	$(ECHO) compiling $(<:\=/)