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mkconfig.rb
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mkconfig.rb
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#!./miniruby -s
# avoid warnings with -d.
$install_name ||= nil
$so_name ||= nil
arch = $arch or raise "missing -arch"
version = $version or raise "missing -version"
srcdir = File.expand_path('../..', __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
config = ""
def config.write(arg)
concat(arg.to_s)
end
$stdout = config
fast = {'prefix'=>TRUE, 'ruby_install_name'=>TRUE, 'INSTALL'=>TRUE, 'EXEEXT'=>TRUE}
win32 = /mswin/ =~ arch
universal = /universal.*darwin/ =~ arch
v_fast = []
v_others = []
vars = {}
continued_name = nil
continued_line = nil
install_name = nil
so_name = 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 $3
continued_line = [val]
continued_name = name
next
end
when /^"(.*)"\s*(\\)?$/
next if !continued_line
continued_line << $1
next if $2
continued_line.each {|s| s.sub!(/\\n\z/, "\n")}
val = continued_line.join
name = continued_name
continued_line = nil
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|(?:HAVE_)?BASE|BOOTSTRAP|BTEST)RUBY(?:_COMMAND)?$)/; next
when /^INSTALLDOC|TARGET$/; next
when /^DTRACE/; next
when /^(?:MAJOR|MINOR|TEENY)$/; vars[name] = val; next
when /^LIBRUBY_D?LD/; next
when /^RUBY_INSTALL_NAME$/; next vars[name] = (install_name = val).dup if $install_name
when /^RUBY_SO_NAME$/; next vars[name] = (so_name = val).dup if $so_name
when /^arch$/; if val.empty? then val = arch else arch = val end
when /^sitearch$/; val = '$(arch)' if val.empty?
when /^DESTDIR$/; next
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)(?:\^|\${1,2})\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
eq = win32 && vars[name] ? '<< "\n"' : '='
vars[name] = val
if name == "configure_args"
val.gsub!(/--with-out-ext/, "--without-ext")
end
val = val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump
case name
when /^prefix$/
val = "(TOPDIR || DESTDIR + #{val})"
when /^ARCH_FLAG$/
val = "arch_flag || #{val}" if universal
when /^UNIVERSAL_ARCHNAMES$/
universal, val = val, 'universal' if universal
when /^arch$/
if universal
val.sub!(/universal/, %q[#{arch && universal[/(?:\A|\s)#{Regexp.quote(arch)}=(\S+)/, 1] || '\&'}])
end
when /^includedir$/
val = '"$(SDKROOT)"'+val if /darwin/ =~ arch
end
v = " CONFIG[\"#{name}\"] #{eq} #{val}\n"
if fast[name]
v_fast << v
else
v_others << v
end
case name
when "RUBY_PROGRAM_VERSION"
version = val[/\A"(.*)"\z/, 1]
end
end
# break if /^CEOF/
end
drive = File::PATH_SEPARATOR == ';'
def vars.expand(val, config = self)
newval = val.gsub(/\$\$|\$\(([^()]+)\)|\$\{([^{}]+)\}/) {
var = $&
if !(v = $1 || $2)
'$'
elsif key = config[v = v[/\A[^:]+(?=(?::(.*?)=(.*))?\z)/]]
pat, sub = $1, $2
config[v] = false
config[v] = expand(key, config)
key = key.gsub(/#{Regexp.quote(pat)}(?=\s|\z)/n) {sub} if pat
key
else
var
end
}
val.replace(newval) unless newval == val
val
end
prefix = vars.expand(vars["prefix"] ||= "")
rubyarchdir = vars.expand(vars["rubyarchdir"] ||= "")
relative_archdir = rubyarchdir.rindex(prefix, 0) ? rubyarchdir[prefix.size..-1] : rubyarchdir
puts %[\
# 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.start_with?("#{version[/^[0-9]+\.[0-9]+\./] || version}") or
raise "ruby lib version (#{version}) doesn't match executable version (\#{RUBY_VERSION})"
]
print " TOPDIR = File.dirname(__FILE__).chomp!(#{relative_archdir.dump})\n"
print " DESTDIR = ", (drive ? "TOPDIR && TOPDIR[/\\A[a-z]:/i] || " : ""), "'' unless defined? DESTDIR\n"
print <<'ARCH' if universal
arch_flag = ENV['ARCHFLAGS'] || ((e = ENV['RC_ARCHS']) && e.split.uniq.map {|a| "-arch #{a}"}.join(' '))
arch = arch_flag && arch_flag[/\A\s*-arch\s+(\S+)\s*\z/, 1]
ARCH
print " universal = #{universal}\n" if universal
print " CONFIG = {}\n"
print " CONFIG[\"DESTDIR\"] = DESTDIR\n"
versions = {}
IO.foreach(File.join(srcdir, "version.h")) do |l|
m = /^\s*#\s*define\s+RUBY_(PATCHLEVEL)\s+(-?\d+)/.match(l)
if m
versions[m[1]] = m[2]
break
end
end
IO.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
m = /^\s*#\s*define\s+RUBY_API_VERSION_(MAJOR|MINOR|TEENY)\s+(-?\d+)/.match(l)
if m
versions[m[1]] = m[2]
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 ? %r'= "(?!\$[\(\{])(?i:[a-z]:)' : %r'= "(?!\$[\(\{])'
v_disabled = {}
v_others.collect! do |x|
if /^\s*CONFIG\["((?!abs_|old)[a-z]+(?:_prefix|dir))"\]/ === x
name = $1
if /= "no"$/ =~ x
v_disabled[name] = true
v_others.delete(name)
next
end
x.sub(dest, '= "$(DESTDIR)')
else
x
end
end
v_others.compact!
if $install_name
if install_name and vars.expand("$(RUBY_INSTALL_NAME)") == $install_name
$install_name = install_name
end
v_fast << " CONFIG[\"ruby_install_name\"] = \"" + $install_name + "\"\n"
v_fast << " CONFIG[\"RUBY_INSTALL_NAME\"] = \"" + $install_name + "\"\n"
end
if $so_name
if so_name and vars.expand("$(RUBY_SO_NAME)") == $so_name
$so_name = so_name
end
v_fast << " CONFIG[\"RUBY_SO_NAME\"] = \"" + $so_name + "\"\n"
end
print(*v_fast)
print(*v_others)
print <<EOS if /darwin/ =~ arch
CONFIG["SDKROOT"] = ENV["SDKROOT"] || "" # don't run xcrun everytime, usually useless.
EOS
print <<EOS
CONFIG["archdir"] = "$(rubyarchdir)"
CONFIG["topdir"] = File.dirname(__FILE__)
MAKEFILE_CONFIG = {}
CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup}
def RbConfig::expand(val, config = CONFIG)
newval = val.gsub(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) {
var = $&
if !(v = $1 || $2)
'$'
elsif key = config[v = v[/\\A[^:]+(?=(?::(.*?)=(.*))?\\z)/]]
pat, sub = $1, $2
config[v] = false
config[v] = RbConfig::expand(key, config)
key = key.gsub(/\#{Regexp.quote(pat)}(?=\\s|\\z)/n) {sub} if pat
key
else
var
end
}
val.replace(newval) unless newval == val
val
end
CONFIG.each_value do |val|
RbConfig::expand(val)
end
# returns the absolute pathname of the ruby command.
def RbConfig.ruby
File.join(
RbConfig::CONFIG["bindir"],
RbConfig::CONFIG["ruby_install_name"] + RbConfig::CONFIG["EXEEXT"]
)
end
end
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: