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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit cmake-utils
DESCRIPTION="Advanced shading language for production GI renderers"
HOMEPAGE="http://opensource.imageworks.com/?p=osl"
MY_PV=${PV//_} # Remove underscore if any.
[[ "${PV}" = *_rc* ]] && MY_PV=${MY_PV^^} # They use capitals for RC.
SRC_URI="https://github.com/imageworks/OpenShadingLanguage/archive/Release-${MY_PV}.tar.gz -> ${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86"
X86_CPU_FEATURES=(
sse2:sse2 sse3:sse3 ssse3:ssse3 sse4_1:sse4.1 sse4_2:sse4.2
avx:avx avx2:avx2 avx512f:avx512f f16c:f16c
)
CPU_FEATURES=( ${X86_CPU_FEATURES[@]/#/cpu_flags_x86_} )
IUSE="doc partio test ${CPU_FEATURES[@]%:*}"
RDEPEND=">=media-libs/openexr-2.2.0
>=media-libs/openimageio-1.8.0
dev-libs/pugixml
sys-libs/zlib:=
partio? ( media-libs/partio )"
DEPEND="${RDEPEND}
>=dev-libs/boost-1.62
sys-devel/clang
sys-devel/bison
sys-devel/flex
virtual/pkgconfig"
# Restricting tests as Make file handles them differently
RESTRICT="test"
S="${WORKDIR}/OpenShadingLanguage-Release-${MY_PV}"
src_configure() {
local cpufeature
local mysimd=()
for cpufeature in "${CPU_FEATURES[@]}"; do
use "${cpufeature%:*}" && mysimd+=("${cpufeature#*:}")
done
# If no CPU SIMDs were used, completely disable them
[[ -z ${mysimd} ]] && mysimd=("0")
# LLVM needs CPP11. Do not disable.
local mycmakeargs=(
-DLLVM_STATIC=ON
-DUSE_EXTERNAL_PUGIXML=ON
-DUSE_PARTIO=$(usex partio)
-DENABLERTTI=OFF
-DSTOP_ON_WARNING=OFF
-DOSL_BUILD_TESTS=$(usex test)
-DINSTALL_DOCS=$(usex doc)
-DCMAKE_INSTALL_DOCDIR="share/doc/${PF}"
-DUSE_SIMD="$(IFS=","; echo "${mysimd[*]}")"
)
cmake-utils_src_configure
}
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