diff --git a/gtk2.spec b/gtk2.spec
index 21c7b41..f9b69ce 100644
--- a/gtk2.spec
+++ b/gtk2.spec
@@ -43,6 +43,7 @@ Patch8: tooltip-positioning.patch
 Patch15: window-dragging.patch
 # upstream fix
 Patch16: 0001-Fix-dynamic-module-check.patch
+BuildRequires: automake autoconf libtool
 
 BuildRequires: atk-devel >= %{atk_version}
 BuildRequires: glib2-devel >= %{glib2_version}
@@ -162,6 +163,8 @@ This package contains developer documentation for the GTK+ widget toolkit.
 %patch15 -p1 -b .window-dragging
 %patch16 -p1 -b .dynamic-modules
 
+autoreconf -i -f
+
 %build
 %configure --with-xinput=xfree 		\
 	   --enable-debug		\