diff --git a/ChangeLog b/ChangeLog
index 4d47fddaa9..ea59f92511 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Apr 24 14:21:41 2002  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* configure.in: set size of the initial stack from
+	  2MB to 32MB on MinGW/Cygwin.
+
 Wed Apr 24 14:06:35 2002  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* numeric.c (num_step): try to reduce residual on Float operations.
diff --git a/configure.in b/configure.in
index 2f231ef3e4..d97df02523 100644
--- a/configure.in
+++ b/configure.in
@@ -103,7 +103,6 @@ AC_CHECK_PROGS(AR, ar aal, ar)
 case "$target_os" in
 cygwin*|mingw*)
     AC_CHECK_TOOL(NM, nm)
-    AC_CHECK_TOOL(AS, as)
     AC_CHECK_TOOL(WINDRES, windres)
     target_cpu=`echo $target_cpu | sed s/i.86/i386/`
     : ${enable_shared=yes}
@@ -711,6 +710,7 @@ if test "$with_dln_a_out" != yes; then
 			LDFLAGS="-L/lib -L/usr/lib -L/usr/local/lib"
 			rb_cv_dlopen=yes;;
 	cygwin*|mingw*)	: ${LDSHARED="${CC} -shared -s"}
+			LDFLAGS='-Wl,--stack,0x02000000'
 			rb_cv_dlopen=yes ;;
 	*) 		LDSHARED='ld' ;;
   esac