Hi,
I copied and updated the osl ebuild. There's a bit of a hack in there to
find the LLVM_ROOT. But it builds.
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit cmake llvm toolchain-funcs
# check this on updates
LLVM_MAX_SLOT=9
DESCRIPTION="Advanced shading language for production GI renderers"
HOMEPAGE="http://opensource.imageworks.com/?p=osl";
SRC_URI="https://github.com/imageworks/OpenShadingLanguage/archive/Release-${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 qt5 test ${CPU_FEATURES[@]%:*}"
RDEPEND="
dev-libs/boost:=
dev-libs/pugixml
media-libs/openexr:=
media-libs/openimageio:=
<sys-devel/clang-10:=
sys-libs/zlib:=
partio? ( media-libs/partio )
qt5? (
dev-qt/qtcore:5
dev-qt/qtgui:5
dev-qt/qtwidgets:5
)
dev-python/pybind11
"
DEPEND="${RDEPEND}"
BDEPEND="
sys-devel/bison
sys-devel/flex
virtual/pkgconfig
"
# PATCHES=(
# "${FILESDIR}/${PN}-1.10.5-fix-install-shaders.patch"
# )
# Restricting tests as Make file handles them differently
RESTRICT="test"
S="${WORKDIR}/OpenShadingLanguage-Release-${PV}"
llvm_check_deps() {
has_version -r "sys-devel/clang:${LLVM_SLOT}"
}
src_configure() {
local cpufeature
local mysimd=()
for cpufeature in "${CPU_FEATURES[@]}"; do
use "${cpufeature%:*}" && mysimd+=("${cpufeature#*:}")
done
# If no CPU SIMDs were used, completely disable them
[[ -z ${mysimd} ]] && mysimd=("0")
local gcc=$(tc-getCC)
# LLVM needs CPP11. Do not disable.
local mycmakeargs=(
-DCMAKE_INSTALL_DOCDIR="share/doc/${PF}"
-DENABLERTTI=OFF
-DINSTALL_DOCS=$(usex doc)
-DLLVM_STATIC=OFF
-DOSL_BUILD_TESTS=$(usex test)
-DSTOP_ON_WARNING=OFF
-DUSE_PARTIO=$(usex partio)
-DUSE_QT=$(usex qt5)
-DUSE_SIMD="$(IFS=","; echo "${mysimd[*]}")"
-DLLVM_ROOT=/usr/lib/llvm/${LLVM_MAX_SLOT}
)
cmake_src_configure
}
