diff options
Diffstat (limited to 'tool/mkconfig.rb')
| -rwxr-xr-x | tool/mkconfig.rb | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/tool/mkconfig.rb b/tool/mkconfig.rb new file mode 100755 index 0000000000..d725fe0929 --- /dev/null +++ b/tool/mkconfig.rb @@ -0,0 +1,226 @@ +#!./miniruby -s + +# avoid warnings with -d. +$install_name ||= nil +$so_name ||= nil + +srcdir = File.expand_path('..', File.dirname(__FILE__)) +$:.replace [srcdir+"/lib"] unless defined?(CROSS_COMPILING) +$:.unshift(".") + +require "fileutils" +mkconfig = File.basename($0) + +rbconfig_rb = ARGV[0] || 'rbconfig.rb' +unless File.directory?(dir = File.dirname(rbconfig_rb)) + FileUtils.makedirs(dir, :verbose => true) +end + +version = RUBY_VERSION +config = "" +def config.write(arg) + concat(arg.to_s) +end +$stdout = config + +fast = {'prefix'=>TRUE, 'ruby_install_name'=>TRUE, 'INSTALL'=>TRUE, 'EXEEXT'=>TRUE} +print %[ +# This file was created by #{mkconfig} when ruby was built. Any +# changes made to this file will be lost the next time ruby is built. + +module RbConfig + RUBY_VERSION == "#{version}" or + raise "ruby lib version (#{version}) doesn't match executable version (\#{RUBY_VERSION})" + +] + +arch = RUBY_PLATFORM +v_fast = [] +v_others = [] +vars = {} +continued_name = nil +continued_line = nil +File.foreach "config.status" do |line| + next if /^#/ =~ line + name = nil + case line + when /^s([%,])@(\w+)@\1(?:\|\#_!!_\#\|)?(.*)\1/ + name = $2 + val = $3.gsub(/\\(?=,)/, '') + when /^S\["(\w+)"\]\s*=\s*"(.*)"\s*(\\)?$/ + name = $1 + val = $2 + if $3 + continued_line = [] + continued_line << val + continued_name = name + next + end + when /^"(.*)"\s*(\\)?$/ + if continued_line + continued_line << $1 + next if $2 + val = continued_line.join("") + name = continued_name + continued_line = nil + end + when /^(?:ac_given_)?INSTALL=(.*)/ + v_fast << " CONFIG[\"INSTALL\"] = " + $1 + "\n" + end + + if name + case name + when /^(?:ac_.*|configure_input|(?:top_)?srcdir|\w+OBJS)$/; next + when /^(?:X|(?:MINI|RUN)RUBY$)/; next + when /^(?:MAJOR|MINOR|TEENY)$/; next + when /^RUBY_INSTALL_NAME$/; next if $install_name + when /^RUBY_SO_NAME$/; next if $so_name + when /^arch$/; if val.empty? then val = arch else arch = val end + when /^sitearch/; val = '$(arch)' if val.empty? + end + case val + when /^\$\(ac_\w+\)$/; next + when /^\$\{ac_\w+\}$/; next + when /^\$ac_\w+$/; next + end + if /^program_transform_name$/ =~ name + val.sub!(/\As(\W)(?:\^|\$\$)\1\1(;|\z)/, '') + if val.empty? + $install_name ||= "ruby" + next + end + unless $install_name + $install_name = "ruby" + val.gsub!(/\$\$/, '$') + val.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\W)((?:\\.|(?!\3).)*)\3((?:\\.|(?!\3).)*)\3([gi]*)]) do + |addr, cmd, sep, pat, rep, opt| + if addr + Regexp.new(addr[/\A\/(.*)\/\z/, 1]) =~ $install_name or next + end + case cmd + when 's' + pat = Regexp.new(pat, opt.include?('i')) + if opt.include?('g') + $install_name.gsub!(pat, rep) + else + $install_name.sub!(pat, rep) + end + when 'y' + $install_name.tr!(Regexp.quote(pat), rep) + end + end + end + end + val.gsub!(/ +(?!-)/, "=") if name == "configure_args" && /mswin32/ =~ RUBY_PLATFORM + val = val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump + if /^prefix$/ =~ name + val = "(TOPDIR || DESTDIR + #{val})" + end + v = " CONFIG[\"#{name}\"] #{vars[name] ? '<< "\n"' : '='} #{val}\n" + vars[name] = true + if fast[name] + v_fast << v + else + v_others << v + end + case name + when "ruby_version" + version = val[/\A"(.*)"\z/, 1] + end + end +# break if /^CEOF/ +end + +drive = File::PATH_SEPARATOR == ';' + +prefix = "/lib/ruby/#{version}/#{arch}" +print " TOPDIR = File.dirname(__FILE__).chomp!(#{prefix.dump})\n" +print " DESTDIR = ", (drive ? "TOPDIR && TOPDIR[/\\A[a-z]:/i] || " : ""), "'' unless defined? DESTDIR\n" +print " CONFIG = {}\n" +print " CONFIG[\"DESTDIR\"] = DESTDIR\n" + +versions = {} +IO.foreach(File.join(srcdir, "version.h")) do |l| + m = /^\s*#\s*define\s+RUBY_(VERSION_(MAJOR|MINOR|TEENY)|PATCHLEVEL)\s+(-?\d+)/.match(l) + if m + versions[m[2]||m[1]] = m[3] + break if versions.size == 4 + end +end +%w[MAJOR MINOR TEENY PATCHLEVEL].each do |v| + print " CONFIG[#{v.dump}] = #{versions[v].dump}\n" +end + +dest = drive ? /= \"(?!\$[\(\{])(?:[a-z]:)?/i : /= \"(?!\$[\(\{])/ +v_others.collect! do |x| + if /^\s*CONFIG\["(?!abs_|old)[a-z]+(?:_prefix|dir)"\]/ === x + x.sub(dest, '= "$(DESTDIR)') + else + x + end +end + +if $install_name + v_fast << " CONFIG[\"ruby_install_name\"] = \"" + $install_name + "\"\n" + v_fast << " CONFIG[\"RUBY_INSTALL_NAME\"] = \"" + $install_name + "\"\n" +end +if $so_name + v_fast << " CONFIG[\"RUBY_SO_NAME\"] = \"" + $so_name + "\"\n" +end + +print(*v_fast) +print(*v_others) +print <<EOS + CONFIG["rubylibdir"] = "$(rubylibprefix)/$(ruby_version)" + CONFIG["archdir"] = "$(rubylibdir)/$(arch)" + CONFIG["sitelibdir"] = "$(sitedir)/$(ruby_version)" + CONFIG["sitearchdir"] = "$(sitelibdir)/$(sitearch)" + CONFIG["vendorlibdir"] = "$(vendordir)/$(ruby_version)" + CONFIG["vendorarchdir"] = "$(vendorlibdir)/$(sitearch)" + CONFIG["topdir"] = File.dirname(__FILE__) + MAKEFILE_CONFIG = {} + CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup} + def RbConfig::expand(val, config = CONFIG) + val.gsub!(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) do + var = $& + if !(v = $1 || $2) + '$' + elsif key = config[v = v[/\\A[^:]+(?=(?::(.*?)=(.*))?\\z)/]] + pat, sub = $1, $2 + config[v] = false + RbConfig::expand(key, config) + config[v] = key + key = key.gsub(/\#{Regexp.quote(pat)}(?=\\s|\\z)/n) {sub} if pat + key + else + var + end + end + val + end + CONFIG.each_value do |val| + RbConfig::expand(val) + end +end +Config = RbConfig # compatibility for ruby-1.8.4 and older. +CROSS_COMPILING = nil unless defined? CROSS_COMPILING +EOS + +$stdout = STDOUT +mode = IO::RDWR|IO::CREAT +mode |= IO::BINARY if defined?(IO::BINARY) +open(rbconfig_rb, mode) do |f| + if $timestamp and f.stat.size == config.size and f.read == config + puts "#{rbconfig_rb} unchanged" + else + puts "#{rbconfig_rb} updated" + f.rewind + f.truncate(0) + f.print(config) + end +end +if String === $timestamp + FileUtils.touch($timestamp) +end + +# vi:set sw=2: |