diff --git a/ChangeLog b/ChangeLog
index 709cdbf1bb..b539661c02 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jan 10 04:41:20 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (configuration): needs ARCH_FLAG.
+
 Sat Jan  9 14:20:54 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* common.mk (install-all): maybe typo.
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 895bca0bee..2fea9e181e 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1469,8 +1469,8 @@ CPPFLAGS = #{extconf_h}#{$CPPFLAGS}
 CXXFLAGS = $(CFLAGS) #{CONFIG['CXXFLAGS']}
 ldflags  = #{$LDFLAGS}
 dldflags = #{$DLDFLAGS}
-archflag = #{$ARCH_FLAG}
-DLDFLAGS = $(ldflags) $(dldflags) $(archflag)
+ARCH_FLAG = #{$ARCH_FLAG}
+DLDFLAGS = $(ldflags) $(dldflags)
 LDSHARED = #{CONFIG['LDSHARED']}
 LDSHAREDXX = #{config_string('LDSHAREDXX') || '$(LDSHARED)'}
 AR = #{CONFIG['AR']}
diff --git a/version.h b/version.h
index 99df622fc1..913a2b51cd 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.2"
-#define RUBY_RELEASE_DATE "2010-01-09"
+#define RUBY_RELEASE_DATE "2010-01-10"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
@@ -8,7 +8,7 @@
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2010
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 9
+#define RUBY_RELEASE_DAY 10
 
 #include "ruby/version.h"