gentoo-overlay/dev-libs/c-blosc/c-blosc-1.20.1.ebuild

# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit cmake

DESCRIPTION="Blocking, shuffling and lossless compression library"
HOMEPAGE="https://www.blosc.org/"
SRC_URI="https://github.com/Blosc/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="MIT"
SLOT="0/1"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~x86 ~amd64-linux ~x86-linux"
IUSE="+lz4 +snappy test zlib zstd"
RESTRICT="!test? ( test )"

RDEPEND="
	lz4? ( >=app-arch/lz4-1.7.5:= )
	snappy? ( app-arch/snappy )
	zlib? ( sys-libs/zlib )
	zstd? ( app-arch/zstd )"
DEPEND="${RDEPEND}"

src_prepare() {
	cmake_src_prepare
	# remove bundled libs
	rm -rf internal-complibs || die
}

src_configure() {
	local mycmakeargs=(
		-DBUILD_STATIC=OFF
		-DBUILD_TESTS=$(usex test)
		-DBUILD_BENCHMARKS=OFF
		-DBUILD_FUZZERS=OFF
		-DDEACTIVATE_LZ4=$(usex !lz4)
		-DDEACTIVATE_SNAPPY=$(usex !snappy)
		-DDEACTIVATE_ZLIB=$(usex !zlib)
		-DDEACTIVATE_ZSTD=$(usex !zstd)
		-DPREFER_EXTERNAL_LZ4=ON
		# snappy is always external
		-DPREFER_EXTERNAL_ZLIB=ON
		-DPREFER_EXTERNAL_ZSTD=ON
	)
	cmake_src_configure
}