update_engine,rootdev: atomically add librootdev and add update_engine deps

sys-apps/rootdev/rootdev-0.0.1-r4.ebuild

Index: sys-apps/rootdev/rootdev-0.0.1-r4.ebuild
diff --git a/sys-apps/rootdev/rootdev-0.0.1-r3.ebuild b/sys-apps/rootdev/rootdev-0.0.1-r4.ebuild
similarity index 70%
rename from sys-apps/rootdev/rootdev-0.0.1-r3.ebuild
rename to sys-apps/rootdev/rootdev-0.0.1-r4.ebuild
index d1231f1884fb6c8326e86955314c84b6e3b71c3b..74b6447edf476f0d1ff781c66a2b89a25bed8c6f 100644
--- a/sys-apps/rootdev/rootdev-0.0.1-r3.ebuild
+++ b/sys-apps/rootdev/rootdev-0.0.1-r4.ebuild
@@ -6,10 +6,10 @@ CROS_WORKON_COMMIT="80fbc6c5d03ba9c192f0e406ee0b6ec60711d603"
 
 inherit toolchain-funcs cros-workon
 
-DESCRIPTION="display rootfs device"
+DESCRIPTION="Chrome OS root block device tool/library"
 HOMEPAGE="http://src.chromium.org"
 SRC_URI=""
-LICENSE="GPLv2"
+LICENSE="BSD"
 SLOT="0"
 KEYWORDS="amd64 x86 arm"
 IUSE=""
@@ -23,4 +23,11 @@ src_install() {
 	dodir /usr/bin
 	exeinto /usr/bin
 	doexe ${S}/rootdev
+
+	dodir /usr/lib
+	dolib.so librootdev.so*
+
+	dodir /usr/include/rootdev
+	insinto /usr/include/rootdev
+	doins rootdev.h
 }