* mkconfig.rb: autoconf 2.61 support. [ruby-core:10016]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jan 30 12:05:35 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* mkconfig.rb: autoconf 2.61 support.  [ruby-core:10016]
+
 Mon Jan 29 23:52:32 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* tool/compile.rb: replace YARVCore by VM class.

mkconfig.rb

@@ -36,11 +36,38 @@ v_fast = []
 v_others = []
 vars = {}
 has_version = false
+continued_name = nil
+continued_line = nil
 File.foreach "config.status" do |line|
   next if /^#/ =~ line
-  if /^s([%,])@(\w+)@\1(?:\|\#_!!_\#\|)?(.*)\1/ =~ 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
+      unless $2
+	val = continued_line.join("")
+	name = continued_name
+	continued_line = nil
+      end
+    end
+  when /^(?:ac_given_)?INSTALL=(.*)/
+    v_fast << "  CONFIG[\"INSTALL\"] = " + $1 + "\n"
+  end
+
+  if name
     next if /^(?:ac_.*|DEFS|configure_input|(?:top_)?srcdir|\w+OBJS)$/ =~ name
     next if /^\$\(ac_\w+\)$/ =~ val
     next if /^\$\{ac_\w+\}$/ =~ val
@@ -67,8 +94,6 @@ File.foreach "config.status" do |line|
       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