It's recommended to do 'make clean' after having prepared a new build tree.
PR: 437

INSTALL

diff --git a/INSTALL b/INSTALL
index d0c7b02..dc84a68 100644
--- a/INSTALL
+++ b/INSTALL
@@ -323,6 +323,7 @@
 		mkdir -p `dirname $F`
 		ln -s $OPENSSL_SOURCE/$F $F
 	done
+	make -f Makefile.org clean
 
  OPENSSL_SOURCE is an environment variable that contains the absolute (this
  is important!) path to the OpenSSL source tree.