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# Copyright 2002-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake
MY_P=xdelta3-${PV}
DESCRIPTION="Computes changes between binary or text files and creates deltas"
HOMEPAGE="https://github.com/jmacd/xdelta/"
SRC_URI="https://github.com/jmacd/xdelta/releases/download/v${PV}/${MY_P}.tar.gz"
S="${WORKDIR}/${MY_P}/xdelta3"
LICENSE="GPL-2"
SLOT="3"
KEYWORDS="~alpha amd64 arm64 ~hppa ~loong ppc ppc64 ~riscv ~sparc x86"
IUSE="examples lzma test"
RESTRICT="!test? ( test )"
DEPEND="
dev-libs/blake3:=
lzma? ( app-arch/xz-utils:= )
"
RDEPEND="
${DEPEND}
"
src_configure() {
local mycmakeargs=(
-DXD3_BUILD_TESTS=$(usex test)
-DXD3_SECONDARY_FGK=OFF
# link dynamically to liblzma
-DXD3_LIB_LZMA=ON
-DXD3_LZMA_MODE=$(usex lzma on off)
-DXD3_LARGESIZET=ON
-DXD3_ARMOR=ON
# TODO: for now we're getting away with a CMake warning
# and implicit linking to -lblake3
-DFETCHCONTENT_FULLY_DISCONNECTED=ON
)
cmake_src_configure
}
src_install() {
cmake_src_install
dodoc draft-korn-vcdiff.txt
use examples && dodoc -r examples
}
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