sed: Upgraded to the latest version 4.2.1

sed version 4.2.1 is under GPLv3 license
inherit update-altenatives to handle the install priority issue

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>

meta/recipes-extended/sed/sed_4.2.1.bb

@@ -0,0 +1,25 @@
+DESCRIPTION = "sed is a Stream EDitor."
+HOMEPAGE = "http://www.gnu.org/software/sed/"
+LICENSE = "GPLv3+"
+LIC_FILES_CHKSUM = "file://COPYING;md5=f27defe1e96c2e1ecd4e0c9be8967949 \
+                    file://sed/sed.h;beginline=1;endline=17;md5=767ab3a06d7584f6fd0469abaec4412f"
+SECTION = "console/utils"
+PR = "r0"
+
+DEPENDS = "gettext"
+
+SRC_URI = "${GNU_MIRROR}/sed/sed-${PV}.tar.gz"
+
+inherit autotools update-alternatives
+
+do_install () {
+	autotools_do_install
+	install -d ${D}${base_bindir}
+	mv ${D}${bindir}/sed ${D}${base_bindir}/sed.${PN}
+}
+
+ALTERNATIVE_NAME = "sed"
+ALTERNATIVE_PATH = "sed.${PN}"
+ALTERNATIVE_PRIORITY = "100"
+
+BBCLASSEXTEND = "native"