gzip: new package

borrow from OE gzip 1.3.13 after some cleanups:
  - no ${S} redefinition
  - configure.patch is not required

also add native support

Signed-off-by: Kevin Tian <kevin.tian@intel.com>

meta/packages/gzip/gzip.inc

@@ -0,0 +1,38 @@
+DESCRIPTION = "GNU Gzip is a popular data compression program originally written by Jean-loup Gailly for the GNU project. Mark Adler wrote the decompression part"
+HOMEPAGE = "http://www.gnu.org/software/gzip/"
+SECTION = "console/utils"
+# change to GPLv3+ in 2007/07. Previous GPLv2 version is 1.3.12
+LICENSE = "GPLv3+"
+LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504 \
+                    file://gzip.h;firstline=8;endline=20;md5=e2ec6b91fbe43a18f6081f3bbae46a01"
+
+SRC_URI = "${GNU_MIRROR}/gzip/${BP}.tar.gz"
+
+inherit autotools
+
+do_install () {
+	autotools_do_install
+	if [ "${PN}" = "${BPN}" ] ; then
+		# Rename and move files into /bin (FHS), which is typical place for gzip
+		install -d ${D}${base_bindir}
+		mv ${D}${bindir}/gunzip ${D}${base_bindir}/gunzip.${PN}
+		mv ${D}${bindir}/gzip ${D}${base_bindir}/gzip.${PN}
+		mv ${D}${bindir}/zcat ${D}${base_bindir}/zcat.${PN}
+	fi
+}
+
+pkg_postinst_${PN} () {
+	if [ "${PN}" = "${BPN}" ] ; then
+		update-alternatives --install ${base_bindir}/gunzip gunzip gunzip.${PN} 100
+		update-alternatives --install ${base_bindir}/gzip gzip gzip.${PN} 100
+		update-alternatives --install ${base_bindir}/zcat zcat zcat.${PN} 100
+	fi
+}
+
+pkg_prerm_${PN} () {
+	if [ "${PN}" = "${BPN}" ] ; then
+		update-alternatives --remove gunzip gunzip.${PN}
+		update-alternatives --remove gzip gzip.${PN}
+		update-alternatives --remove zcat zcat.${PN}
+	fi
+}

meta/packages/gzip/gzip_1.4.bb

@@ -0,0 +1,5 @@
+require gzip.inc
+
+PR = "r0"
+
+BBCLASSEXTEND = "native"