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#!./miniruby -s
# avoid warnings with -d.
$install_name ||= nil
$so_name ||= nil
srcdir = File.dirname(__FILE__)
$:.replace [srcdir+"/lib", "."]
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
rbconfig_rb_tmp = rbconfig_rb + '.tmp'
config = open(rbconfig_rb_tmp, "w")
$orgout = $stdout.dup
$stdout.reopen(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 Config
RUBY_VERSION == "#{version}" or
raise "ruby lib version (#{version}) doesn't match executable version (\#{RUBY_VERSION})"
]
v_fast = []
v_others = []
has_version = false
File.foreach "config.status" do |line|
next if /^#/ =~ line
if /^s[%,]@program_transform_name@[%,]s,(.*)/ =~ line
next if $install_name
ptn = $1.sub(/\$\$/, '$').split(/,/) #'
v_fast << " CONFIG[\"ruby_install_name\"] = \"" + "ruby".sub(/#{ptn[0]}/,ptn[1]) + "\"\n"
elsif /^s[%,]@(\w+)@[%,](.*)[%,]/ =~ line
name = $1
val = $2 || ""
next if /^(?:ac_.*|DEFS|configure_input|.*(?:src|build)dir)$/ =~ name
next if $install_name and /^RUBY_INSTALL_NAME$/ =~ name
next if $so_name and /^RUBY_SO_NAME$/ =~ name
v = " CONFIG[\"" + name + "\"] = " +
val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump + "\n"
if fast[name]
v_fast << v
else
v_others << v
end
has_version = true if name == "MAJOR"
elsif /^ac_given_INSTALL=(.*)/ =~ line
v_fast << " CONFIG[\"INSTALL\"] = " + $1 + "\n"
end
# break if /^CEOF/
end
v_fast.collect! do |x|
if /"prefix"/ === x
x.sub(/= (.*)/, '= (TOPDIR || DESTDIR + \1)')
else
x
end
end
drive = File::PATH_SEPARATOR == ';'
prefix = Regexp.quote('/lib/ruby/' + RUBY_VERSION.sub(/\.\d+$/, '') + '/' + RUBY_PLATFORM)
print " TOPDIR = File.dirname(__FILE__).sub!(%r'#{prefix}\\Z', '')\n"
print " DESTDIR = ", (drive ? "TOPDIR && TOPDIR[/\\A[a-z]:/i] || " : ""), "'' unless defined? DESTDIR\n"
print " CONFIG = {}\n"
print " CONFIG[\"DESTDIR\"] = DESTDIR\n"
unless has_version
RUBY_VERSION.scan(/(\d+)\.(\d+)\.(\d+)/) {
print " CONFIG[\"MAJOR\"] = \"" + $1 + "\"\n"
print " CONFIG[\"MINOR\"] = \"" + $2 + "\"\n"
print " CONFIG[\"TEENY\"] = \"" + $3 + "\"\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\"] = \"" + $so_name + "\"\n"
end
print v_fast, v_others
print <<EOS
CONFIG["ruby_version"] = "$(MAJOR).$(MINOR)"
CONFIG["rubylibdir"] = "$(libdir)/ruby/$(ruby_version)"
CONFIG["archdir"] = "$(rubylibdir)/$(arch)"
CONFIG["sitelibdir"] = "$(sitedir)/$(ruby_version)"
CONFIG["sitearchdir"] = "$(sitelibdir)/$(sitearch)"
CONFIG["topdir"] = File.dirname(__FILE__)
MAKEFILE_CONFIG = {}
CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup}
def Config::expand(val, config = CONFIG)
val.gsub!(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) do |var|
if !(v = $1 || $2)
'$'
elsif key = config[v]
config[v] = false
Config::expand(key, config)
config[v] = key
else
var
end
end
val
end
CONFIG.each_value do |val|
Config::expand(val)
end
end
CROSS_COMPILING = nil unless defined? CROSS_COMPILING
EOS
$stdout.flush
$stdout.reopen($orgout)
config.close
if $timestamp and
File.exist?(rbconfig_rb) and
FileUtils.compare_file(rbconfig_rb, rbconfig_rb_tmp)
puts "#{rbconfig_rb} unchanged"
File.unlink(rbconfig_rb_tmp)
else
puts "#{rbconfig_rb} updated"
File.rename(rbconfig_rb_tmp, rbconfig_rb)
end
if String === $timestamp
FileUtils.touch($timestamp)
end
# vi:set sw=2:
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