1 files changed, 69 insertions, 0 deletions
diff --git a/app-arch/zstd/zstd-1.4.5.ebuild b/app-arch/zstd/zstd-1.4.5.ebuild
new file mode 100644
index 000000000000..414788bac8f4
--- /dev/null
+++ b/app-arch/zstd/zstd-1.4.5.ebuild
@@ -0,0 +1,69 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit flag-o-matic multilib-minimal toolchain-funcs
+
+DESCRIPTION="zstd fast compression library"
+HOMEPAGE="https://facebook.github.io/zstd/"
+SRC_URI="https://github.com/facebook/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="|| ( BSD GPL-2 )"
+SLOT="0/1"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="lz4 static-libs +threads"
+
+RDEPEND="app-arch/xz-utils
+	lz4? ( app-arch/lz4 )"
+DEPEND="${RDEPEND}"
+
+src_prepare() {
+	default
+	multilib_copy_sources
+
+	# Workaround #713940 / https://github.com/facebook/zstd/issues/2045
+	# where upstream build system does not add -pthread for Makefile-based
+	# build system.
+	use threads && append-flags $(test-flags-CCLD -pthread)
+}
+
+mymake() {
+	emake \
+		CC="$(tc-getCC)" \
+		CXX="$(tc-getCXX)" \
+		AR="$(tc-getAR)" \
+		PREFIX="${EPREFIX}/usr" \
+		LIBDIR="${EPREFIX}/usr/$(get_libdir)" \
+		"${@}"
+}
+
+multilib_src_compile() {
+	local libzstd_targets=( libzstd{,.a}$(usex threads '-mt' '') )
+
+	mymake -C lib ${libzstd_targets[@]} libzstd.pc
+
+	if multilib_is_native_abi ; then
+		mymake HAVE_LZ4="$(usex lz4 1 0)" zstd
+
+		mymake -C contrib/pzstd
+	fi
+}
+
+multilib_src_install() {
+	mymake -C lib DESTDIR="${D}" install
+
+	if multilib_is_native_abi ; then
+		mymake -C programs DESTDIR="${D}" install
+
+		mymake -C contrib/pzstd DESTDIR="${D}" install
+	fi
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	if ! use static-libs; then
+		find "${ED}" -name "*.a" -delete || die
+	fi
+}