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ruby--ruby/tool/mkconfig.rb

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#!./miniruby -s
# This script, which is run when ruby is built, generates rbconfig.rb by
# parsing information from config.status. rbconfig.rb contains build
# information for ruby (compiler flags, paths, etc.) and is used e.g. by
# mkmf to build compatible native extensions.
# avoid warnings with -d.
$install_name ||= nil
$so_name ||= nil
$unicode_version ||= nil
$unicode_emoji_version ||= nil
arch = $arch or raise "missing -arch"
version = $version or raise "missing -version"
srcdir = File.expand_path('../..', __FILE__)
$:.unshift(".")
mkconfig = File.basename($0)
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
platform = 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 /^MJIT_(CC|SUPPORT)$/; # pass
when /^MJIT_/; next
when /^(?:MAJOR|MINOR|TEENY)$/; 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
when /RUBYGEMS/; 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$/
if universal
platform = val.sub(/universal/, %q[#{arch && universal[/(?:\A|\s)#{Regexp.quote(arch)}=(\S+)/, 1] || RUBY_PLATFORM[/\A[^-]*/]}])
end
when /^target_cpu$/
if universal
val = 'arch'
end
when /^target$/
val = '"$(target_cpu)-$(target_vendor)-$(target_os)"'
when /^host(?:_(?:os|vendor|cpu|alias))?$/
val = %["$(#{name.sub(/^host/, 'target')})"]
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 %[\
# encoding: ascii-8bit
# frozen-string-literal: false
#
# The module storing Ruby interpreter configurations on building.
#
# This file was created by #{mkconfig} when ruby was built. It contains
# build information for ruby which is used e.g. by mkmf to build
# compatible native extensions. 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 " # Ruby installed directory.\n"
print " TOPDIR = File.dirname(__FILE__).chomp!(#{relative_archdir.dump})\n"
print " # DESTDIR on make install.\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 " # The hash configurations stored.\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_(PATCHLEVEL)\s+(-?\d+)/.match(l)
if m
versions[m[1]] = m[2]
break if versions.size == 4
next
end
m = /^\s*#\s*define\s+RUBY_VERSION_(\w+)\s+(-?\d+)/.match(l)
if m
versions[m[1]] = m[2]
break if versions.size == 4
next
end
m = /^\s*#\s*define\s+RUBY_VERSION\s+\W?([.\d]+)/.match(l)
if m
versions['MAJOR'], versions['MINOR'], versions['TEENY'] = m[1].split('.')
break if versions.size == 4
next
end
end
if versions.size != 4
IO.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
m = /^\s*#\s*define\s+RUBY_API_VERSION_(\w+)\s+(-?\d+)/.match(l)
if m
versions[m[1]] ||= m[2]
break if versions.size == 4
next
end
end
end
%w[MAJOR MINOR TEENY PATCHLEVEL].each do |v|
print " CONFIG[#{v.dump}] = #{(versions[v]||vars[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 $unicode_version
CONFIG["UNICODE_VERSION"] = #{$unicode_version.dump}
EOS
print <<EOS if $unicode_emoji_version
CONFIG["UNICODE_EMOJI_VERSION"] = #{$unicode_emoji_version.dump}
EOS
print <<EOS if /darwin/ =~ arch
if sdkroot = ENV["SDKROOT"]
sdkroot = sdkroot.dup
elsif File.exist?(File.join(CONFIG["prefix"], "include")) ||
!(sdkroot = (IO.popen(%w[/usr/bin/xcrun --sdk macosx --show-sdk-path], in: IO::NULL, err: IO::NULL, &:read) rescue nil))
sdkroot = +""
else
sdkroot.chomp!
end
CONFIG["SDKROOT"] = sdkroot
EOS
print <<EOS
CONFIG["platform"] = #{platform || '"$(arch)"'}
CONFIG["archdir"] = "$(rubyarchdir)"
CONFIG["topdir"] = File.dirname(__FILE__)
# Almost same with CONFIG. MAKEFILE_CONFIG has other variable
# reference like below.
#
# MAKEFILE_CONFIG["bindir"] = "$(exec_prefix)/bin"
#
# The values of this constant is used for creating Makefile.
#
# require 'rbconfig'
#
# print <<-END_OF_MAKEFILE
# prefix = \#{RbConfig::MAKEFILE_CONFIG['prefix']}
# exec_prefix = \#{RbConfig::MAKEFILE_CONFIG['exec_prefix']}
# bindir = \#{RbConfig::MAKEFILE_CONFIG['bindir']}
# END_OF_MAKEFILE
#
# => prefix = /usr/local
# exec_prefix = $(prefix)
# bindir = $(exec_prefix)/bin MAKEFILE_CONFIG = {}
#
# RbConfig.expand is used for resolving references like above in rbconfig.
#
# require 'rbconfig'
# p RbConfig.expand(RbConfig::MAKEFILE_CONFIG["bindir"])
# # => "/usr/local/bin"
MAKEFILE_CONFIG = {}
CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup}
# call-seq:
#
# RbConfig.expand(val) -> string
# RbConfig.expand(val, config) -> string
#
# expands variable with given +val+ value.
#
# RbConfig.expand("$(bindir)") # => /home/foobar/all-ruby/ruby19x/bin
def RbConfig::expand(val, config = CONFIG)
newval = val.gsub(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) {
var = $&
if !(v = $1 || $2)
'$'
elsif key = config[v = v[/\\A[^:]+(?=(?::(.*?)=(.*))?\\z)/]]
pat, sub = $1, $2
config[v] = false
config[v] = RbConfig::expand(key, config)
key = key.gsub(/\#{Regexp.quote(pat)}(?=\\s|\\z)/n) {sub} if pat
key
else
var
end
}
val.replace(newval) unless newval == val
val
end
CONFIG.each_value do |val|
RbConfig::expand(val)
end
# call-seq:
#
# RbConfig.fire_update!(key, val) -> array
# RbConfig.fire_update!(key, val, mkconf, conf) -> array
#
# updates +key+ in +mkconf+ with +val+, and all values depending on
# the +key+ in +mkconf+.
#
# RbConfig::MAKEFILE_CONFIG.values_at("CC", "LDSHARED") # => ["gcc", "$(CC) -shared"]
# RbConfig::CONFIG.values_at("CC", "LDSHARED") # => ["gcc", "gcc -shared"]
# RbConfig.fire_update!("CC", "gcc-8") # => ["CC", "LDSHARED"]
# RbConfig::MAKEFILE_CONFIG.values_at("CC", "LDSHARED") # => ["gcc-8", "$(CC) -shared"]
# RbConfig::CONFIG.values_at("CC", "LDSHARED") # => ["gcc-8", "gcc-8 -shared"]
#
# returns updated keys list, or +nil+ if nothing changed.
def RbConfig.fire_update!(key, val, mkconf = MAKEFILE_CONFIG, conf = CONFIG) # :nodoc:
return if mkconf[key] == val
mkconf[key] = val
keys = [key]
deps = []
begin
re = Regexp.new("\\\\$\\\\((?:%1$s)\\\\)|\\\\$\\\\{(?:%1$s)\\\\}" % keys.join('|'))
deps |= keys
keys.clear
mkconf.each {|k,v| keys << k if re =~ v}
end until keys.empty?
deps.each {|k| conf[k] = mkconf[k].dup}
deps.each {|k| expand(conf[k])}
deps
end
# call-seq:
#
# RbConfig.ruby -> path
#
# 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
# vi:set sw=2:
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