From 40c35f214799bb3e431cfa04a57aed2323be898d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 10 Nov 2005 23:22:03 +0000
Subject: * Makefile.in (OUTFLAG): keep trailing spaces.  [ruby-dev:27666]

* mkconfig.rb: substitution refereces added.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9525 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog   | 10 ++++++++--
 Makefile.in |  3 ++-
 mkconfig.rb | 37 +++++++++++++++++++++----------------
 3 files changed, 31 insertions(+), 19 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 773224de0a..210a1b2518 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Nov 11 08:20:56 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* Makefile.in (OUTFLAG): keep trailing spaces.  [ruby-dev:27666]
+
+	* mkconfig.rb: substitution refereces added.
+
 Fri Nov 11 07:44:18 2005  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 
 	* configure.in: undef HAVE_LINK on BeOS. (link(2) always returns
@@ -17,9 +23,9 @@ Tue Nov  8 15:32:27 2005  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 Mon Nov  7 13:43:51 2005  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
-	* ext/tk/stubs.c (_nativethread_consistency_check): use simpler 
+	* ext/tk/stubs.c (_nativethread_consistency_check): use simpler
 	  (low cost) way to check whether the Tcl interpreter was compiled
-	  with threads enabled of not. 
+	  with threads enabled of not.
 
 	* ext/tk/tcltklib.c: reduce warnings.
 
diff --git a/Makefile.in b/Makefile.in
index 9dde68840e..d03aa007ff 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -30,7 +30,8 @@ RDOCTARGET = @RDOCTARGET@
 EXTOUT = @EXTOUT@
 RIDATADIR = $(DESTDIR)$(datadir)/ri/$(MAJOR).$(MINOR)/system
 
-OUTFLAG = -o 
+empty =
+OUTFLAG = @OUTFLAG@$(empty)
 CFLAGS = @CFLAGS@ @XCFLAGS@ @ARCH_FLAG@
 CPPFLAGS = -I. -I$(srcdir) @CPPFLAGS@
 LDFLAGS = @STATIC@ $(CFLAGS) @LDFLAGS@
diff --git a/mkconfig.rb b/mkconfig.rb
index b4897e6aaa..bce0021669 100644
--- a/mkconfig.rb
+++ b/mkconfig.rb
@@ -16,10 +16,10 @@ unless File.directory?(dir = File.dirname(rbconfig_rb))
 end
 
 version = RUBY_VERSION
-rbconfig_rb_tmp = rbconfig_rb + '.tmp'
-config = open(rbconfig_rb_tmp, "w")
-$orgout = $stdout.dup
-$stdout.reopen(config)
+def (config = "").write(arg)
+  concat(arg.to_s)
+end
+$stdout = config
 
 fast = {'prefix'=>TRUE, 'ruby_install_name'=>TRUE, 'INSTALL'=>TRUE, 'EXEEXT'=>TRUE}
 print %[
@@ -119,10 +119,13 @@ print <<EOS
     val.gsub!(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) do |var|
       if !(v = $1 || $2)
 	'$'
-      elsif key = config[v]
+      elsif key = config[v = v[/\\A[^:]+(?=(?::(.*?)=(.*))?\\z)/]]
+	pat, sub = $1, $2
 	config[v] = false
 	Config::expand(key, config)
 	config[v] = key
+	key = key.gsub(/\#{Regexp.quote(pat)}(?=\\s|\\z)/n) {sub} if pat
+	key
       else
 	var
       end
@@ -135,17 +138,19 @@ print <<EOS
 end
 CROSS_COMPILING = nil unless defined? CROSS_COMPILING
 EOS
-$stdout.flush
-$stdout.reopen($orgout)
-config.close
-if $timestamp and
-   File.exist?(rbconfig_rb) and
-   FileUtils.compare_file(rbconfig_rb, rbconfig_rb_tmp)
-  puts "#{rbconfig_rb} unchanged"
-  File.unlink(rbconfig_rb_tmp)
-else
-  puts "#{rbconfig_rb} updated"
-  File.rename(rbconfig_rb_tmp, rbconfig_rb)
+
+$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)
-- 
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