diff --git a/ChangeLog b/ChangeLog
index e45d22f1..00e8ed82 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-16  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Print CXXFLAGS
+	* configure.ac
+
 2010-02-16  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Small optimization for A2_WOULDBLOCK(e)
diff --git a/configure b/configure
index 9b9c3c8a..3bf2f576 100755
--- a/configure
+++ b/configure
@@ -16661,6 +16661,7 @@ echo " "
 echo "Build:          $build"
 echo "Target:         $target"
 echo "Install prefix: $prefix"
+echo "CXXFLAGS:       $CXXFLAGS"
 echo "CFLAGS:         $CFLAGS"
 echo "CPPFLAGS:       $CPPFLAGS"
 echo "LDFLAGS:        $LDFLAGS"
diff --git a/configure.ac b/configure.ac
index a5b723ea..4e4c4f1a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -417,6 +417,7 @@ echo " "
 echo "Build:          $build"
 echo "Target:         $target"
 echo "Install prefix: $prefix"
+echo "CXXFLAGS:       $CXXFLAGS"
 echo "CFLAGS:         $CFLAGS"
 echo "CPPFLAGS:       $CPPFLAGS"
 echo "LDFLAGS:        $LDFLAGS"