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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6
inherit cmake-multilib

if [[ ${PV} == *9999* ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://aomedia.googlesource.com/aom"
elif [[ ${PV} == *pre* ]]; then
	SRC_URI="mirror://gentoo/${P}.tar.xz"
	KEYWORDS="~amd64"
	S="${WORKDIR}/${PN}"
fi

DESCRIPTION="Alliance for Open Media AV1 Codec SDK"
HOMEPAGE="https://aomedia.org"

LICENSE="BSD-2"
SLOT="0/0"
IUSE="doc examples"
IUSE="${IUSE} cpu_flags_x86_mmx cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_ssse3 cpu_flags_x86_sse4_1 cpu_flags_x86_avx cpu_flags_x86_avx2"
IUSE="${IUSE} cpu_flags_arm_neon"

RDEPEND=""
DEPEND="abi_x86_32? ( dev-lang/yasm )
	abi_x86_64? ( dev-lang/yasm )
	abi_x86_x32? ( dev-lang/yasm )
	x86-fbsd? ( dev-lang/yasm )
	amd64-fbsd? ( dev-lang/yasm )
	doc? ( app-doc/doxygen )
"

REQUIRED_USE="
	cpu_flags_x86_sse2? ( cpu_flags_x86_mmx )
	cpu_flags_x86_ssse3? ( cpu_flags_x86_sse2 )
"

PATCHES=( "${FILESDIR}/libdirpc2.patch" "${FILESDIR}/pthread_lib2.patch" )

src_prepare() {
	sed -e 's/lib"/lib${LIB_SUFFIX}"/' -i CMakeLists.txt || die
	cmake-utils_src_prepare
}

multilib_src_configure() {
	local mycmakeargs=(
		-DENABLE_DOCS=$(multilib_native_usex doc ON OFF)
		-DENABLE_EXAMPLES=$(multilib_native_usex examples ON OFF)
		-DENABLE_NASM=OFF
		-DENABLE_TOOLS=ON
		-DENABLE_WERROR=OFF

		-DENABLE_NEON=$(usex cpu_flags_arm_neon ON OFF)
		-DENABLE_NEON_ASM=$(usex cpu_flags_arm_neon ON OFF)
		# ENABLE_DSPR2 / ENABLE_MSA for mips
		-DENABLE_MMX=$(usex cpu_flags_x86_mmx ON OFF)
		-DENABLE_SSE=$(usex cpu_flags_x86_sse ON OFF)
		-DENABLE_SSE2=$(usex cpu_flags_x86_sse2 ON OFF)
		-DENABLE_SSE3=$(usex cpu_flags_x86_sse3 ON OFF)
		-DENABLE_SSSE3=$(usex cpu_flags_x86_ssse3 ON OFF)
		-DENABLE_SSE4_1=$(usex cpu_flags_x86_sse4_1 ON OFF)
		-DENABLE_AVX=$(usex cpu_flags_x86_avx ON OFF)
		-DENABLE_AVX2=$(usex cpu_flags_x86_avx2 ON OFF)

		-DBUILD_SHARED_LIBS=ON
	)
	cmake-utils_src_configure
	rm aom.pc # ensure it is rebuilt with proper libdir
}

multilib_src_install() {
	cmake-utils_src_install
	if multilib_is_native_abi && use doc ; then
		docinto html
		dodoc docs/html/*
	fi
}