extract prereq.status

* tool/make-snapshot (package): extract static config values for
  prereq and override dynamic values at runtime.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/make-snapshot

@@ -210,6 +210,7 @@ def package(vcs, rev, destdir, tmp = nil)
     end
   end
 
+  status = IO.read(File.dirname(__FILE__) + "/prereq.status")
   Dir.chdir(tmp) if tmp
 
   if !File.directory?(v)
@@ -283,27 +284,13 @@ def package(vcs, rev, destdir, tmp = nil)
     if File.file?("common.mk") && /^prereq/ =~ commonmk = IO.read("common.mk")
       puts
       extout = clean.add('tmp')
+      begin
+        status = IO.read("tool/prereq.status")
+      rescue Errno::ENOENT
+        # use fallback file
+      end
       File.open(clean.add("config.status"), "w") {|f|
-        f.puts "s,@configure_args@,|#_!!_#|,g"
-        f.puts "s,@EXTOUT@,|#_!!_#|#{extout},g"
-        f.puts "s,@bindir@,|#_!!_#|,g"
-        f.puts "s,@ruby_install_name@,|#_!!_#|,g"
-        f.puts "s,@ARCH_FLAG@,|#_!!_#|,g"
-        f.puts "s,@CFLAGS@,|#_!!_#|,g"
-        f.puts "s,@CPPFLAGS@,|#_!!_#|,g"
-        f.puts "s,@CXXFLAGS@,|#_!!_#|,g"
-        f.puts "s,@LDFLAGS@,|#_!!_#|,g"
-        f.puts "s,@DLDFLAGS@,|#_!!_#|,g"
-        f.puts "s,@LIBEXT@,|#_!!_#|a,g"
-        f.puts "s,@OBJEXT@,|#_!!_#|o,g"
-        f.puts "s,@EXEEXT@,|#_!!_#|,g"
-        f.puts "s,@LIBRUBY@,|#_!!_#|libruby.a,g"
-        f.puts "s,@LIBRUBY_A@,|#_!!_#|libruby.a,g"
-        f.puts "s,@RM@,|#_!!_#|rm -f,g"
-        f.puts "s,@CP@,|#_!!_#|cp,g"
-        f.puts "s,@rubyarchdir@,|#_!!_#|,g"
-        f.puts "s,@rubylibprefix@,|#_!!_#|,g"
-        f.puts "s,@ruby_version@,|#_!!_#|#{version},g"
+        f.print status
       }
       FileUtils.mkpath(hdrdir = "#{extout}/include/ruby")
       File.open("#{hdrdir}/config.h", "w") {}
@@ -314,24 +301,17 @@ def package(vcs, rev, destdir, tmp = nil)
       baseruby = ENV["BASERUBY"]
       mk = IO.read("Makefile.in").gsub(/^@.*\n/, '')
       vars = {
-        "srcdir"=>".",
-        "CHDIR"=>"cd",
-        "NULLCMD"=>":",
+        "EXTOUT"=>extout,
         "PATH_SEPARATOR"=>File::PATH_SEPARATOR,
-        "IFCHANGE"=>"tool/ifchange",
-        "MKDIR_P"=>"mkdir -p",
-        "RMALL"=>"rm -fr",
         "MINIRUBY"=>miniruby,
-        "RUNRUBY"=>miniruby,
         "RUBY"=>ENV["RUBY"],
-        "HAVE_BASERUBY"=>"yes",
         "BASERUBY"=>baseruby,
-        "BOOTSTRAPRUBY"=>baseruby,
         "PWD"=>Dir.pwd,
-        "CONFIGURE"=>"configure",
-        "arch"=>"noarch",
-        "UNICODE_FILES"=>"",
+        "ruby_version"=>version,
       }
+      status.scan(/^s([%,])@([A-Za-z_][A-Za-z_0-9]*)@\1(.*?)\1g$/) do
+        vars[$2] = $3
+      end
       vars["UNICODE_VERSION"] = $unicode_version if $unicode_version
       args = vars.dup
       mk.gsub!(/@([A-Za-z_]\w*)@/) {args.delete($1); vars[$1] || ENV[$1]}

tool/prereq.status

@@ -0,0 +1,43 @@
+s,@EXTOUT@,tmp,g
+s,@ruby_version@,0.0.0,g
+s,@NULLCMD@,:,g
+s,@ARCH_FLAG@,,g
+s,@BASERUBY@,ruby,g
+s,@BOOTSTRAPRUBY@,$(BASERUBY),g
+s,@CC@,false,g
+s,@CFLAGS@,,g
+s,@CHDIR@,cd,g
+s,@CONFIGURE@,configure,g
+s,@CP@,cp,g
+s,@CPPFLAGS@,,g
+s,@CXXFLAGS@,,g
+s,@DLDFLAGS@,,g
+s,@EXEEXT@,,g
+s,@HAVE_BASERUBY@,yes,g
+s,@IFCHANGE@,tool/ifchange,g
+s,@LDFLAGS@,,g
+s,@LIBEXT@,a,g
+s,@LIBRUBY@,libruby.a,g
+s,@LIBRUBY_A@,libruby.a,g
+s,@MINIRUBY@,$(BASERUBY),g
+s,@MKDIR_P@,mkdir -p,g
+s,@OBJEXT@,o,g
+s,@PATH_SEPARATOR@,:,g
+s,@PWD@,.,g
+s,@RM@,rm -f,g
+s,@RMALL@,rm -fr,g
+s,@RMDIR@,rmdir,g
+s,@RMDIRS@,$(RMDIR) -p,g
+s,@RUBY@,$(BASERUBY),g
+s,@RUNRUBY@,$(MINIRUBY),g
+s,@UNICODE_FILES@,,g
+s,@arch@,noarch,g
+s,@bindir@,,g
+s,@configure_args@,,g
+s,@ruby_install_name@,,g
+s,@rubyarchdir@,,g
+s,@rubylibprefix@,,g
+s,@srcdir@,.,g
+
+s/@[A-Za-z][A-Za-z0-9_]*@//g
+s/{\$([A-Za-z]*)}//g