diff --git a/ChangeLog b/ChangeLog
index 6ce5bd107a..d4037e5933 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Sat Oct 14 00:55:08 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* bcc32/Makefile.sub (post-install-ext): no longer needed.
+
+	* bcc32/configure.bat: get rid of a quirk of Borland make, which
+	  sets empty macro in command line to "1".
+
 Fri Oct 13 22:49:02 2006  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* lib/date.rb: updated based on date2 3.9.5.
diff --git a/bcc32/Makefile.sub b/bcc32/Makefile.sub
index c7d3a794f8..7398e2803e 100644
--- a/bcc32/Makefile.sub
+++ b/bcc32/Makefile.sub
@@ -445,9 +445,18 @@ $(RUBY_INSTALL_NAME).rc $(RUBYW_INSTALL_NAME).rc $(RUBY_SO_NAME).rc: rbconfig.rb
 			-so_name=$(RUBY_SO_NAME) \
 			. $(icondirs) $(srcdir)win32
 
-post-install-ext::
-	$(MINIRUBY) -I$(srcdir)lib -rrbconfig -rfileutils \
-		-e "FileUtils.rm_f(Dir[ARGV[0]+RbConfig::CONFIG['archdir']+'/**/*.tds'])" "$(DESTDIR:\=/)"
+post-install-bin::
+	@exit > $@
+post-install-lib::
+	@exit > $@
+post-install-ext-comm::
+	@exit > $@
+post-install-ext-arch::
+	@exit > $@
+post-install-man::
+	@exit > $@
+post-install-doc::
+	@exit > $@
 
 clean-local::
 		@$(RM) ext\extinit.c ext\extinit.$(OBJEXT) *.tds *.il? $(RUBY_SO_NAME).lib
diff --git a/bcc32/configure.bat b/bcc32/configure.bat
index c1b3cdb64c..6e3056ff38 100644
--- a/bcc32/configure.bat
+++ b/bcc32/configure.bat
@@ -69,7 +69,7 @@ goto :loop
   shift
 goto :loop
 :extout
-  echo>> ~tmp~.mak 	"EXTOUT=%2" \
+  echo>> ~tmp~.mak 	-D"EXTOUT=%2" \
   shift
   shift
 goto :loop
@@ -87,6 +87,6 @@ goto :loop
   del ~tmp~.mak
 goto :exit
 :end
-echo>> ~tmp~.mak 	bcc32dir="$(@D)"
+echo>> ~tmp~.mak 	-Dbcc32dir="$(@D)"
 make -s -f ~tmp~.mak
 :exit