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# 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
}
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