1#!./miniruby -s
2
3# avoid warnings with -d.
4$install_name ||= nil
5$so_name ||= nil
6
7srcdir = File.expand_path('../..', __FILE__)
8$:.replace [srcdir+"/lib"] unless defined?(CROSS_COMPILING)
9$:.unshift(".")
10
11require "fileutils"
12mkconfig = File.basename($0)
13
14rbconfig_rb = ARGV[0] || 'rbconfig.rb'
15unless File.directory?(dir = File.dirname(rbconfig_rb))
16  FileUtils.makedirs(dir, :verbose => true)
17end
18
19version = RUBY_VERSION
20config = ""
21def config.write(arg)
22  concat(arg.to_s)
23end
24$stdout = config
25
26fast = {'prefix'=>TRUE, 'ruby_install_name'=>TRUE, 'INSTALL'=>TRUE, 'EXEEXT'=>TRUE}
27print %[
28# This file was created by #{mkconfig} when ruby was built.  Any
29# changes made to this file will be lost the next time ruby is built.
30
31module RbConfig
32  RUBY_VERSION == "#{version}" or
33    raise "ruby lib version (#{version}) doesn't match executable version (\#{RUBY_VERSION})"
34
35]
36
37arch = RUBY_PLATFORM
38win32 = /mswin/ =~ arch
39universal = /universal.*darwin/ =~ arch
40v_fast = []
41v_others = []
42v_runtime = {}
43vars = {}
44continued_name = nil
45continued_line = nil
46File.foreach "config.status" do |line|
47  next if /^#/ =~ line
48  name = nil
49  case line
50  when /^s([%,])@(\w+)@\1(?:\|\#_!!_\#\|)?(.*)\1/
51    name = $2
52    val = $3.gsub(/\\(?=,)/, '')
53  when /^S\["(\w+)"\]\s*=\s*"(.*)"\s*(\\)?$/
54    name = $1
55    val = $2
56    if $3
57      continued_line = [val]
58      continued_name = name
59      next
60    end
61  when /^"(.*)"\s*(\\)?$/
62    next if !continued_line
63    continued_line << $1
64    next if $2
65    continued_line.each {|s| s.sub!(/\\n\z/, "\n")}
66    val = continued_line.join
67    name = continued_name
68    continued_line = nil
69  when /^(?:ac_given_)?INSTALL=(.*)/
70    v_fast << "  CONFIG[\"INSTALL\"] = " + $1 + "\n"
71  end
72
73  if name
74    case name
75    when /^(?:ac_.*|configure_input|(?:top_)?srcdir|\w+OBJS)$/; next
76    when /^(?:X|(?:MINI|RUN|BASE)RUBY$)/; next
77    when /^(?:MAJOR|MINOR|TEENY)$/; next
78    when /^RUBY_INSTALL_NAME$/; next if $install_name
79    when /^RUBY_SO_NAME$/; next if $so_name
80    when /^arch$/; if val.empty? then val = arch else arch = val end
81    when /^sitearch$/; val = '$(arch)' if val.empty?
82    end
83    case val
84    when /^\$\(ac_\w+\)$/; next
85    when /^\$\{ac_\w+\}$/; next
86    when /^\$ac_\w+$/; next
87    end
88    if /^program_transform_name$/ =~ name
89      val.sub!(/\As(\\?\W)(?:\^|\${1,2})\1\1(;|\z)/, '')
90      if val.empty?
91        $install_name ||= "ruby"
92        next
93      end
94      unless $install_name
95        $install_name = "ruby"
96        val.gsub!(/\$\$/, '$')
97        val.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\\?\W)((?:(?!\3)(?:\\.|.))*)\3((?:(?!\3)(?:\\.|.))*)\3([gi]*)]) do
98          |addr, cmd, sep, pat, rep, opt|
99          if addr
100            Regexp.new(addr[/\A\/(.*)\/\z/, 1]) =~ $install_name or next
101          end
102          case cmd
103          when 's'
104            pat = Regexp.new(pat, opt.include?('i'))
105            if opt.include?('g')
106              $install_name.gsub!(pat, rep)
107            else
108              $install_name.sub!(pat, rep)
109            end
110          when 'y'
111            $install_name.tr!(Regexp.quote(pat), rep)
112          end
113        end
114      end
115    end
116    eq = win32 && vars[name] ? '<< "\n"' : '='
117    vars[name] = val
118    if name == "configure_args"
119      if win32
120        val.gsub!(/\G(--[-a-z0-9]+)((=\S+)|(?:\s+(?!-)\S+)+)?(\s*)/) {
121          _, opt, list, arg, sep = *$~
122          "#{opt}#{arg || list && list.sub(/^\s+/, '=').tr_s(' ', ',')}#{sep}"
123        }
124      end
125      val.gsub!(/--with-out-ext/, "--without-ext")
126    end
127    val = val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump
128    case name
129    when /^prefix$/
130      val = "(TOPDIR || DESTDIR + #{val})"
131    when /^ARCH_FLAG$/
132      val = "arch_flag || #{val}" if universal
133    when /^UNIVERSAL_ARCHNAMES$/
134      universal, val = val, 'universal' if universal
135    when /^includedir$/
136      val = "(ENV['SDKROOT'] || (File.exists?(File.join(CONFIG['prefix'],'include')) ? '' : %x(xcode-select --print-path >/dev/null 2>&1 && xcrun --sdk macosx --show-sdk-path 2>/dev/null).chomp)) + #{val}"
137    when /^(CXXFLAGS|LDFLAGS|CFLAGS|LDSHARED|LIBRUBY_LDSHARED)$/
138      if universal
139        # configure didn't strip -arch nor -m32/64 from CXXFLAGS
140        # replace the first with ARCH_FLAG and delete the rest
141        if val.sub!(/-(arch\s*\w+|m(32|64))/, '$(ARCH_FLAG)')
142          val.gsub!(/\s*-(arch\s*\w+|m(32|64))/, '')
143        end
144      end
145    end
146    v = "  CONFIG[\"#{name}\"] #{eq} #{val}\n"
147    if fast[name]
148      v_fast << v
149    else
150      v_others << v
151    end
152    case name
153    when "ruby_version"
154      version = val[/\A"(.*)"\z/, 1]
155    end
156  end
157#  break if /^CEOF/
158end
159
160drive = File::PATH_SEPARATOR == ';'
161
162def vars.expand(val, config = self)
163  newval = val.gsub(/\$\$|\$\(([^()]+)\)|\$\{([^{}]+)\}/) {
164    var = $&
165    if !(v = $1 || $2)
166      '$'
167    elsif key = config[v = v[/\A[^:]+(?=(?::(.*?)=(.*))?\z)/]]
168      pat, sub = $1, $2
169      config[v] = false
170      config[v] = expand(key, config)
171      key = key.gsub(/#{Regexp.quote(pat)}(?=\s|\z)/n) {sub} if pat
172      key
173    else
174      var
175    end
176  }
177  val.replace(newval) unless newval == val
178  val
179end
180vars["prefix"] = ""
181vars["exec_prefix"] = ""
182prefix = vars.expand(vars["rubyarchdir"])
183print "  TOPDIR = File.dirname(__FILE__).chomp!(#{prefix.dump})\n"
184print "  DESTDIR = ", (drive ? "TOPDIR && TOPDIR[/\\A[a-z]:/i] || " : ""), "'' unless defined? DESTDIR\n"
185print <<'ARCH' if universal
186  arch_flag = ENV['ARCHFLAGS'] || ((e = ENV['RC_ARCHS']) && e.split.uniq.map {|a| "-arch #{a}"}.join(' '))
187ARCH
188print "  universal = #{universal}\n" if universal
189print "  CONFIG = {}\n"
190print "  CONFIG[\"DESTDIR\"] = DESTDIR\n"
191
192versions = {}
193IO.foreach(File.join(srcdir, "version.h")) do |l|
194  m = /^\s*#\s*define\s+RUBY_(PATCHLEVEL)\s+(-?\d+)/.match(l)
195  if m
196    versions[m[1]] = m[2]
197    break
198  end
199end
200IO.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
201  m = /^\s*#\s*define\s+RUBY_API_VERSION_(MAJOR|MINOR|TEENY)\s+(-?\d+)/.match(l)
202  if m
203    versions[m[1]] = m[2]
204    break if versions.size == 4
205  end
206end
207%w[MAJOR MINOR TEENY PATCHLEVEL].each do |v|
208  print "  CONFIG[#{v.dump}] = #{versions[v].dump}\n"
209end
210
211dest = drive ? %r'= "(?!\$[\(\{])(?i:[a-z]:)' : %r'= "(?!\$[\(\{])'
212v_disabled = {}
213v_others.collect! do |x|
214  if /^\s*CONFIG\["((?!abs_|old)[a-z]+(?:_prefix|dir))"\]/ === x
215    name = $1
216    if /= "no"$/ =~ x
217      v_disabled[name] = true
218      v_others.delete(name)
219      next
220    end
221    x.sub(dest, '= "$(DESTDIR)')
222  else
223    x
224  end
225end
226v_others.compact!
227
228if $install_name
229  v_fast << "  CONFIG[\"ruby_install_name\"] = \"" + $install_name + "\"\n"
230  v_fast << "  CONFIG[\"RUBY_INSTALL_NAME\"] = \"" + $install_name + "\"\n"
231end
232if $so_name
233  v_fast << "  CONFIG[\"RUBY_SO_NAME\"] = \"" + $so_name + "\"\n"
234end
235
236print(*v_fast)
237print(*v_others)
238print <<EOS
239  CONFIG["archdir"] = "$(rubyarchdir)"
240  CONFIG["topdir"] = File.dirname(__FILE__)
241  MAKEFILE_CONFIG = {}
242  CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup}
243  def RbConfig::expand(val, config = CONFIG)
244    newval = val.gsub(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) {
245      var = $&
246      if !(v = $1 || $2)
247	'$'
248      elsif key = config[v = v[/\\A[^:]+(?=(?::(.*?)=(.*))?\\z)/]]
249	pat, sub = $1, $2
250	config[v] = false
251	config[v] = RbConfig::expand(key, config)
252	key = key.gsub(/\#{Regexp.quote(pat)}(?=\\s|\\z)/n) {sub} if pat
253	key
254      else
255	var
256      end
257    }
258    val.replace(newval) unless newval == val
259    val
260  end
261  CONFIG.each_value do |val|
262    RbConfig::expand(val)
263  end
264
265  # returns the absolute pathname of the ruby command.
266  def RbConfig.ruby
267    File.join(
268      RbConfig::CONFIG["bindir"],
269      RbConfig::CONFIG["ruby_install_name"] + RbConfig::CONFIG["EXEEXT"]
270    )
271  end
272end
273autoload :Config, "rbconfig/obsolete.rb" # compatibility for ruby-1.8.4 and older.
274CROSS_COMPILING = nil unless defined? CROSS_COMPILING
275RUBY_FRAMEWORK = true
276RUBY_FRAMEWORK_VERSION = RbConfig::CONFIG['ruby_version']
277APPLE_GEM_HOME = File.join(RbConfig::CONFIG['libdir'], 'ruby/gems', RbConfig::CONFIG['ruby_version'])
278EOS
279
280$stdout = STDOUT
281mode = IO::RDWR|IO::CREAT
282mode |= IO::BINARY if defined?(IO::BINARY)
283open(rbconfig_rb, mode) do |f|
284  if $timestamp and f.stat.size == config.size and f.read == config
285    puts "#{rbconfig_rb} unchanged"
286  else
287    puts "#{rbconfig_rb} updated"
288    f.rewind
289    f.truncate(0)
290    f.print(config)
291  end
292end
293if String === $timestamp
294  FileUtils.touch($timestamp)
295end
296
297# vi:set sw=2:
298