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
}