diff --git a/sys-devel/libtool/libtool-2.4.2.recipe b/sys-devel/libtool/libtool-2.4.2.recipe
index 458a705d5..f50594c96 100644
--- a/sys-devel/libtool/libtool-2.4.2.recipe
+++ b/sys-devel/libtool/libtool-2.4.2.recipe
@@ -7,7 +7,9 @@ HOMEPAGE="http://www.gnu.org/software/libtool"
 COPYRIGHT="2004-2010 Free Software Foundation, Inc."
 LICENSE="GNU GPL v2"
 SRC_URI="ftp://ftp.gnu.org/gnu/libtool/libtool-2.4.2.tar.gz"
-CHECKSUM_MD5="d2f3b7d4627e69e13514a40e72a24d50"
+CHECKSUM_SIZE="2632347"
+CHECKSUM_RMD160="b7153f3f1e1c50d8c04787cafccd4e19af62ec7d"
+CHECKSUM_SHA512="0e54af7bbec376f943f2b8e4f13631fe5627b099a37a5f0252e12bade76473b0a36a673529d594778064cd8632abdc43d8a20883d66d6b27738861afbb7e211d"
 REVISION="1"
 ARCHITECTURES="x86_gcc2 x86 x86_64"
 
@@ -29,6 +31,8 @@ REQUIRES="
 	cmd:automake
 	cmd:sed
 	cmd:tar
+	cmd:find
+	cmd:xargs
 	"
 BUILD_REQUIRES="
 	"