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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit cmake-utils

DESCRIPTION="Blocking, shuffling and lossless compression library"
HOMEPAGE="http://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 x86 ~amd64-linux ~x86-linux"

IUSE="cpu_flags_x86_avx2 +lz4 +snappy static-libs test zlib zstd"

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

DOCS=( README.rst RELEASE_NOTES.rst THOUGHTS_FOR_2.0.txt ANNOUNCE.rst )
PATCHES=( "${FILESDIR}/${PN}-1.11.2-fix-build-system.patch" )

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

src_configure() {
	local mycmakeargs=(
		-DBUILD_STATIC=$(usex static-libs)
		-DBUILD_TESTS=$(usex test)
		-DBUILD_BENCHMARKS=OFF
		-DDEACTIVATE_AVX2=$(usex !cpu_flags_x86_avx2)
		-DDEACTIVATE_LZ4=$(usex !lz4)
		-DDEACTIVATE_SNAPPY=$(usex !snappy)
		-DDEACTIVATE_ZLIB=$(usex !zlib)
		-DDEACTIVATE_ZSTD=$(usex !zstd)
		-DPREFER_EXTERNAL_LZ4=ON
		-DPREFER_EXTERNAL_SNAPPY=ON
		-DPREFER_EXTERNAL_ZLIB=ON
		-DPREFER_EXTERNAL_ZSTD=ON
	)
	cmake-utils_src_configure
}