diff --git a/win/Makefile.am b/win/Makefile.am
index 5ab34c9..d81086d 100644
--- a/win/Makefile.am
+++ b/win/Makefile.am
@@ -1,4 +1,2 @@
 SUBDIRS = ../common rfb_win32 vncviewer
 
-ACLOCAL_AMFLAGS = -I m4
-
diff --git a/win/configure.ac b/win/configure.ac
index 02ac609..e80f347 100644
--- a/win/configure.ac
+++ b/win/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ([2.61])
+AC_PREREQ([2.57])
 AC_INIT([tigervnc], [0.0.90], [http://www.tigervnc.org])
 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
 
@@ -11,6 +11,7 @@
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_LIBTOOL
+AC_CHECK_TOOL([WINDRES], windres, [AC_MSG_ERROR(windres not found)])
 AC_LANG([C++])
 
 if test "$GCC" = yes; then
diff --git a/win/vncviewer/Makefile.am b/win/vncviewer/Makefile.am
index 448729f..dddef27 100644
--- a/win/vncviewer/Makefile.am
+++ b/win/vncviewer/Makefile.am
@@ -42,4 +42,4 @@
 vncviewer_LDFLAGS = -I$(top_srcdir)/win -mwindows
 
 resources.o: vncviewer.rc
-	i386-mingw32msvc-windres $^ -o $@
+	$(WINDRES) $^ -o $@