--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/libarchive/libarchive.sh	Wed Mar 13 19:56:00 2019 +0100
@@ -0,0 +1,146 @@
+#!/bin/sh
+#
+# Copyright (c) 2019 FirstName LastName <mailaddress>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+PKGNAME=libarchive
+PKGVERSION=3.3.3
+PKGREVISION=1
+PKGLICENSE="BSD"
+PKGSUMMARY="multi-format archive and compression library"
+PKGDOWNLOAD="http://www.libarchive.org/downloads/$PKGNAME-$PKGVERSION.tar.gz"
+#PKGDEPENDS="category/foo category/bar"
+PKGOPTIONS="ACL BZIP2 EXPAT LZ4 LZMA LZO SSL ZLIB ZSTD"
+
+: ${CHOST:=$(uname -m)-linux-musl}
+: ${CBUILD:=$(uname -m)-linux-musl}
+: ${CC:=gcc}
+: ${CFLAGS:=-O2}
+: ${CXX:=g++}
+: ${CXXFLAGS:=-O2}
+: ${LDFLAGS:=}
+: ${LIBS:=}
+: ${ACL:=yes}
+: ${BZIP2:=yes}
+: ${EXPAT:=yes}
+: ${LZ4:=yes}
+: ${LZMA:=yes}
+: ${LZO:=no}            # upstream default as of 3.3.3
+: ${SSL:=yes}
+: ${ZLIB:=yes}
+: ${ZSTD:=yes}
+
+if [ "$ACL" = "yes" ]; then
+	PKGDEPENDS="core/acl $PKGDEPENDS"
+	with_acl="--enable-acl"
+else
+	with_acl="--disable-acl"
+fi
+
+if [ "$BZIP2" = "yes" ]; then
+	PKGDEPENDS="core/bzip2 $PKGDEPENDS"
+	with_bzip2="--with-bz2lib"
+else
+	with_bzip2="--without-bz2lib"
+fi
+
+if [ "$EXPAT" = "yes" ]; then
+	PKGDEPENDS="lib/expat $PKGDEPENDS"
+	with_expat="--with-expat"
+else
+	with_expat="--without-expat"
+fi
+
+if [ "$LZ4" = "yes" ]; then
+	PKGDEPENDS="core/lz4 $PKGDEPENDS"
+	with_lz4="--with-lz4"
+else
+	with_lz4="--without-lz4"
+fi
+
+if [ "$LZMA" = "yes" ]; then
+	PKGDEPENDS="core/xz $PKGDEPENDS"
+	with_lzma="--with-lzma"
+else
+	with_lzma="--without-lzma"
+fi
+
+if [ "$LZO" = "yes" ]; then
+	PKGDEPENDS="lib/lzo $PKGDEPENDS"
+	with_lzo="--with-lzo2"
+else
+	with_lzo="--without-lzo2"
+fi
+
+if [ "$NETTLE" = "yes" ]; then
+	PKGDEPENDS="lib/nettle $PKGDEPENDS"
+	with_nettle="--with-nettle"
+else
+	with_nettle="--without-nettle"
+fi
+
+if [ "$SSL" = "yes" ]; then
+	PKGDEPENDS="network/openssl $PKGDEPENDS"
+	with_ssl="--with-openssl"
+else
+	with_ssl="--without-openssl"
+fi
+
+if [ "$ZSTD" = "yes" ]; then
+	PKGDEPENDS="core/zstd $PKGDEPENDS"
+	with_zstd="--with-zstd"
+else
+	with_zstd="--without-zstd"
+fi
+
+build()
+{
+	rm -rf $PKGNAME-$PKGVERSION
+	tar xvaf $PKGNAME-$PKGVERSION.tar.gz
+	pushd $PKGNAME-$PKGVERSION
+
+	CC="$CC" \
+	CFLAGS="$CFLAGS" \
+	CXX="$CXX" \
+	CXXFLAGS="$CXXFLAGS" \
+	LDFLAGS="$LDFLAGS" \
+	LIBS="$LIBS" \
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--disable-static \
+		--enable-shared \
+		--enable-bsdtar=shared \
+		--enable-bsdcat=shared \
+		--enable-bsdcpio=shared \
+		--without-xml2 \
+		$with_acl \
+		$with_bzip2 \
+		$with_expat \
+		$with_lz4 \
+		$with_lzma \
+		$with_lzo \
+		$with_nettle \
+		$with_ssl \
+		$with_zstd
+
+	make
+	make install DESTDIR=$DESTDIR
+        rm -f $DESTDIR/usr/lib/libarchive.la
+
+	popd
+	rm -rf $PKGNAME-$PKGVERSION
+}