--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="person">
+ <email>slis@gentoo.org</email>
+ </maintainer>
+ <use>
+ <flag name="fuse">
+ Use fuse libraries
+ </flag>
+ <flag name="ntfs">
+ Use libntfs-3g library from sys-fs/ntfs3g
+ </flag>
+ <flag name="openssl">
+ Use the SHA-1 message digest from libcrypto instead of compilling another implementation
+ </flag>
+ <flag name="yasm">
+ Use yasm assembler instead of nasm
+ </flag>
+ </use>
+</pkgmetadata>
--- /dev/null
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools pax-utils
+if [[ -z ${PV%%*9999} ]]; then
+ inherit git-r3
+ EGIT_REPO_URI="git://wimlib.net/${PN}"
+else
+ inherit vcs-snapshot
+ MY_PV="${PV/_/-}"
+ MY_PV="${MY_PV^^}"
+ SRC_URI="https://wimlib.net/downloads/${PN}-${MY_PV}.tar.gz -> ${P}.tar.gz"
+ RESTRICT="primaryuri"
+ KEYWORDS="~amd64 ~x86"
+fi
+
+DESCRIPTION="The open source Windows Imaging (WIM) library"
+HOMEPAGE="https://wimlib.net/"
+
+LICENSE="|| ( GPL-3+ LGPL-3+ ) CC0-1.0"
+SLOT="0"
+IUSE="cpu_flags_x86_ssse3 fuse ntfs openssl threads yasm"
+REQUIRED_USE="cpu_flags_x86_ssse3? ( !openssl )"
+
+RDEPEND="
+ dev-libs/libxml2:2
+ ntfs? ( sys-fs/ntfs3g )
+ fuse? ( sys-fs/fuse:0 )
+ openssl? ( dev-libs/openssl:0 )
+"
+DEPEND="
+ ${RDEPEND}
+ cpu_flags_x86_ssse3? (
+ yasm? ( dev-lang/yasm )
+ !yasm? ( dev-lang/nasm )
+ )
+"
+
+src_prepare() {
+ default
+ eautoreconf
+}
+
+src_configure() {
+ local myeconfargs=(
+ $(use_with ntfs ntfs-3g)
+ $(use_with fuse)
+ $(use_enable cpu_flags_x86_ssse3 ssse3-sha1)
+ $(use_with openssl libcrypto)
+ $(use_enable threads multithreaded-compression)
+ )
+ has test ${FEATURES} && myeconfargs+=( --enable-test-support )
+ ac_cv_prog_NASM="$(usex yasm yasm nasm)" \
+ econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+ emake
+ pax-mark m "${S}"/.libs/wimlib-imagex
+}