Squashed 'yocto-poky/' content from commit ea562de

git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/rootfs_rpm.bbclass b/meta/classes/rootfs_rpm.bbclass
new file mode 100644
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--- /dev/null
+++ b/meta/classes/rootfs_rpm.bbclass
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+#
+# Creates a root filesystem out of rpm packages
+#
+
+ROOTFS_PKGMANAGE = "rpm smartpm"
+ROOTFS_PKGMANAGE_BOOTSTRAP = "run-postinsts"
+
+# Add 50Meg of extra space for Smart
+IMAGE_ROOTFS_EXTRA_SPACE_append = "${@bb.utils.contains("PACKAGE_INSTALL", "smartpm", " + 51200", "" ,d)}"
+
+# Smart is python based, so be sure python-native is available to us.
+EXTRANATIVEPATH += "python-native"
+
+# opkg is needed for update-alternatives
+RPMROOTFSDEPENDS = "rpm-native:do_populate_sysroot \
+    rpmresolve-native:do_populate_sysroot \
+    python-smartpm-native:do_populate_sysroot \
+    createrepo-native:do_populate_sysroot \
+    opkg-native:do_populate_sysroot"
+
+do_rootfs[depends] += "${RPMROOTFSDEPENDS}"
+do_populate_sdk[depends] += "${RPMROOTFSDEPENDS}"
+
+do_rootfs[recrdeptask] += "do_package_write_rpm"
+rootfs_rpm_do_rootfs[vardepsexclude] += "BUILDNAME"
+do_rootfs[vardeps] += "PACKAGE_FEED_URIS"
+
+# RPM doesn't work with multiple rootfs generation at once due to collisions in the use of files 
+# in ${DEPLOY_DIR_RPM}. This can be removed if package_update_index_rpm can be called concurrently
+do_rootfs[lockfiles] += "${DEPLOY_DIR_RPM}/rpm.lock"
+do_populate_sdk[lockfiles] += "${DEPLOY_DIR_RPM}/rpm.lock"
+
+python () {
+    if d.getVar('BUILD_IMAGES_FROM_FEEDS', True):
+        flags = d.getVarFlag('do_rootfs', 'recrdeptask')
+        flags = flags.replace("do_package_write_rpm", "")
+        flags = flags.replace("do_deploy", "")
+        flags = flags.replace("do_populate_sysroot", "")
+        d.setVarFlag('do_rootfs', 'recrdeptask', flags)
+        d.setVar('RPM_PREPROCESS_COMMANDS', '')
+        d.setVar('RPM_POSTPROCESS_COMMANDS', '')
+
+}
+# Smart is python based, so be sure python-native is available to us.
+EXTRANATIVEPATH += "python-native"
+
+rpmlibdir = "/var/lib/rpm"