Add gzip package

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>

cfg/alix/SQUASHFS

@@ -5,3 +5,4 @@ nano
 util-linux
 grep
 less
+gzip

cfg/rpi3/SQUASHFS

@@ -8,3 +8,4 @@ util-linux
 kmod
 grep
 less
+gzip

pkg/gzip/build

@@ -0,0 +1,27 @@
+VERSION="1.9"
+SRCDIR="gzip-${VERSION}"
+TARBALL="${SRCDIR}.tar.xz"
+URL="https://ftp.gnu.org/gnu/gzip/"
+SHA256SUM="ae506144fc198bd8f81f1f4ad19ce63d5a2d65e42333255977cf1dcf1479089a"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="" --host="$TARGET" --with-regex=regcmp
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	make DESTDIR="$DEPLOY" install-strip
+	rm -r "$DEPLOY/share"
+}