diff --git a/ChangeLog b/ChangeLog
index 3d3d48d912..658203d762 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Wed Nov 17 18:38:35 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Wed Nov 17 19:13:22 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (create_makefile): make extension libraries messages
+	  brief.
 
 	* win32/Makefile.sub (MAKEDIRS): should not include silent flag.
 
@@ -13,7 +16,7 @@ Wed Nov 17 16:09:52 2010  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 Wed Nov 17 16:04:23 2010  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* test/ruby/envutil.rb (Test::Unit::Assersions#assert_warn):
-	  new assersion to assert that a particular warning message is 
+	  new assersion to assert that a particular warning message is
 	  displayed.
 	  forwardport from branches/ruby_1_9_2@29795.
 
diff --git a/ext/extmk.rb b/ext/extmk.rb
index c2b215425c..d0b0b7f863 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -62,7 +62,8 @@ def extract_makefile(makefile, keep = true)
       unless installrb.empty?
         config = CONFIG.dup
         install_dirs(target_prefix).each {|var, val| config[var] = val}
-        FileUtils.rm_f(installrb.values.collect {|f| RbConfig.expand(f, config)}, :verbose => true)
+        FileUtils.rm_f(installrb.values.collect {|f| RbConfig.expand(f, config)},
+                       :verbose => $makeflags.defined?("Q") != "@")
       end
     end
     return false
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index ef354df4b0..6a49c280f3 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1925,7 +1925,7 @@ static: $(STATIC_LIB)#{$extout ? " install-rb" : ""}
 	dest = "#{dir}/#{File.basename(f)}"
 	mfile.print("install-rb#{sfx}: #{dest} #{dir}\n")
 	mfile.print("#{dest}: #{f}\n")
-	mfile.print("\t$(#{$extout ? 'COPY' : 'INSTALL_DATA'}) #{f} $(@D#{sep})\n")
+	mfile.print("\t$(Q) $(#{$extout ? 'COPY' : 'INSTALL_DATA'}) #{f} $(@D#{sep})\n")
 	if defined?($installed_list) and !$extout
 	  mfile.print("\t@echo #{dest}>>$(INSTALLED_LIST)\n")
 	end
@@ -1935,6 +1935,8 @@ static: $(STATIC_LIB)#{$extout ? " install-rb" : ""}
         end
       end
     end
+    mfile.print "pre-install-rb#{sfx}:\n"
+    mfile.print("\t$(ECHO) installing#{sfx.sub(/^-/, " ")} #{target} libraries\n")
     if $extout
       dirs.uniq!
       unless dirs.empty?
@@ -1946,7 +1948,7 @@ static: $(STATIC_LIB)#{$extout ? " install-rb" : ""}
     end
   end
   dirs.unshift(sodir) if target and !dirs.include?(sodir)
-  dirs.each {|d| mfile.print "#{d}:\n\t$(MAKEDIRS) $@\n"}
+  dirs.each {|d| mfile.print "#{d}:\n\t$(Q) $(MAKEDIRS) $@\n"}
 
   mfile.print <<-SITEINSTALL