SUMMARY = "GNU grep utility"
HOMEPAGE = "http://savannah.gnu.org/projects/grep/"
BUGTRACKER = "http://savannah.gnu.org/bugs/?group=grep"
SECTION = "console/utils"
LICENSE = "GPLv3"
LIC_FILES_CHKSUM = "file://COPYING;md5=8006d9c814277c1bfc4ca22af94b59ee"

SRC_URI = "${GNU_MIRROR}/grep/grep-${PV}.tar.xz \
           file://0001-Unset-need_charset_alias-when-building-for-musl.patch \
           file://grep-fix-CVE-2015-1345.patch \
          "

SRC_URI[md5sum] = "43c48064d6409862b8a850db83c8038a"
SRC_URI[sha256sum] = "5244a11c00dee8e7e5e714b9aaa053ac6cbfa27e104abee20d3c778e4bb0e5de"

inherit autotools gettext texinfo

EXTRA_OECONF = "--disable-perl-regexp"

do_configure_prepend () {
	rm -f ${S}/m4/init.m4
}

do_install () {
	autotools_do_install
	install -d ${D}${base_bindir}
	mv ${D}${bindir}/grep ${D}${base_bindir}/grep
	mv ${D}${bindir}/egrep ${D}${base_bindir}/egrep
	mv ${D}${bindir}/fgrep ${D}${base_bindir}/fgrep
	rmdir ${D}${bindir}/
}

inherit update-alternatives

ALTERNATIVE_PRIORITY = "100"

ALTERNATIVE_${PN} = "grep egrep fgrep"
ALTERNATIVE_LINK_NAME[grep] = "${base_bindir}/grep"
ALTERNATIVE_LINK_NAME[egrep] = "${base_bindir}/egrep"
ALTERNATIVE_LINK_NAME[fgrep] = "${base_bindir}/fgrep"

export CONFIG_SHELL="/bin/sh"