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# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..11} )
inherit cmake python-any-r1
DOCS_BUILDER="doxygen"
DOCS_DIR="build/docs"
DOCS_CONFIG_NAME="doxygen.cfg"
DOCS_DEPEND="
media-gfx/graphviz
virtual/latex-base
$(python_gen_any_dep '
dev-python/sphinx[${PYTHON_USEDEP}]
dev-python/recommonmark[${PYTHON_USEDEP}]
dev-python/myst_parser[${PYTHON_USEDEP}]
')
"
inherit docs
# We cannot unbundle this because it has to be compiled with the clang/llvm
# that we are building here. Otherwise we run into problems running the compiler.
CPU_EMUL_PV="2022-08-22"
VC_INTR_PV="0.8.1" # Newer versions cause compile failure
DESCRIPTION="oneAPI Data Parallel C++ compiler"
HOMEPAGE="https://github.com/intel/llvm"
SRC_URI="
https://github.com/intel/llvm/archive/refs/tags/${PV//./-}.tar.gz -> ${P}.tar.gz
https://github.com/intel/vc-intrinsics/archive/refs/tags/v${VC_INTR_PV}.tar.gz -> ${P}-vc-intrinsics-${VC_INTR_PV}.tar.gz
esimd_emulator? ( https://github.com/intel/cm-cpu-emulation/archive/refs/tags/v${CPU_EMUL_PV}.tar.gz -> ${P}-cm-cpu-emulation-${CPU_EMUL_PV}.tar.gz )
"
S="${WORKDIR}/llvm-${PV//./-}"
CMAKE_USE_DIR="${S}/llvm"
BUILD_DIR="${S}/build"
LICENSE="Apache-2.0 MIT"
SLOT="0/6" # Based on libsycl.so
KEYWORDS="~amd64"
ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430
NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore )
ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/(-)?}
IUSE="cuda hip test esimd_emulator ${ALL_LLVM_TARGETS[*]}"
REQUIRED_USE="
?? ( cuda hip )
cuda? ( llvm_targets_NVPTX )
hip? ( llvm_targets_AMDGPU )
"
RESTRICT="!test? ( test )"
BDEPEND="virtual/pkgconfig"
DEPEND="
dev-libs/boost:=
dev-libs/level-zero:=
dev-libs/opencl-icd-loader
dev-util/opencl-headers
dev-util/spirv-headers
dev-util/spirv-tools
media-libs/libva
sys-devel/libtool
esimd_emulator? ( dev-libs/libffi:= )
cuda? ( dev-util/nvidia-cuda-toolkit:= )
hip? ( dev-util/hip:= )
"
RDEPEND="${DEPEND}"
PATCHES=(
"${FILESDIR}/${P}-system-libs.patch"
)
src_configure() {
# Extracted from buildbot/configure.py
local mycmakeargs=(
-DLLVM_ENABLE_ASSERTIONS=ON
-DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
-DLLVM_EXTERNAL_PROJECTS="sycl;llvm-spirv;opencl;libdevice;xpti;xptifw"
-DLLVM_EXTERNAL_SYCL_SOURCE_DIR="${S}/sycl"
-DLLVM_EXTERNAL_LLVM_SPIRV_SOURCE_DIR="${S}/llvm-spirv"
-DLLVM_EXTERNAL_XPTI_SOURCE_DIR="${S}/xpti"
-DXPTI_SOURCE_DIR="${S}/xpti"
-DLLVM_EXTERNAL_XPTIFW_SOURCE_DIR="${S}/xptifw"
-DLLVM_EXTERNAL_LIBDEVICE_SOURCE_DIR="${S}/libdevice"
-DLLVM_ENABLE_PROJECTS="clang;sycl;llvm-spirv;opencl;libdevice;xpti;xptifw"
-DLLVM_BUILD_TOOLS=ON
-DSYCL_ENABLE_WERROR=OFF
-DSYCL_INCLUDE_TESTS="$(usex test)"
-DCLANG_INCLUDE_TESTS="$(usex test)"
-DLLVM_INCLUDE_TESTS="$(usex test)"
-DLLVM_SPIRV_INCLUDE_TESTS="$(usex test)"
-DLLVM_ENABLE_DOXYGEN="$(usex doc)"
-DLLVM_ENABLE_SPHINX="$(usex doc)"
-DLLVM_BUILD_DOCS="$(usex doc)"
-DSYCL_ENABLE_XPTI_TRACING=ON
-DLLVM_ENABLE_LLD=OFF
-DXPTI_ENABLE_WERROR=OFF
-DSYCL_ENABLE_PLUGINS="level_zero;opencl;$(usev esimd_emulator);$(usev hip);$(usev cuda)"
-DLLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR="${ESYSROOT}/usr"
-DBOOST_MP11_SOURCE_DIR="${ESYSROOT}/usr "
-DLEVEL_ZERO_LIBRARY="${ESYSROOT}/usr/lib64/libze_loader.so"
-DLEVEL_ZERO_INCLUDE_DIR="${ESYSROOT}/usr/include"
-DLLVMGenXIntrinsics_SOURCE_DIR="${WORKDIR}/vc-intrinsics-${VC_INTR_PV}"
-DSYCL_CLANG_EXTRA_FLAGS="${CXXFLAGS}"
# The sycl part of the build system insists on installing during compiling
# Install it to some temporary directory
-DCMAKE_INSTALL_PREFIX="${BUILD_DIR}/install"
-DCMAKE_INSTALL_MANDIR="${BUILD_DIR}/install/share/man"
-DCMAKE_INSTALL_INFODIR="${BUILD_DIR}/install/share/info"
-DCMAKE_INSTALL_DOCDIR="${BUILD_DIR}/install/share/doc/${PF}"
)
if use hip; then
mycmakeargs+=(
-DSYCL_BUILD_PI_HIP_PLATFORM=AMD
-DLIBCLC_GENERATE_REMANGLED_VARIANTS=ON
-DLIBCLC_TARGETS_TO_BUILD=";amdgcn--;amdgcn--amdhsa"
)
fi
if use cuda; then
mycmakeargs+=(
-DLIBCLC_GENERATE_REMANGLED_VARIANTS=ON
-DLIBCLC_TARGETS_TO_BUILD=";nvptx64--;nvptx64--nvidiacl"
)
fi
if use esimd_emulator; then
mycmakeargs+=(
-DLibFFI_INCLUDE_DIR="${ESYSROOT}/usr/lib64/libffi/include"
-DUSE_LOCAL_CM_EMU_SOURCE="${WORKDIR}/cm-cpu-emulation-${CPU_EMUL_PV}"
)
fi
if use doc; then
mycmakeargs+=( -DSPHINX_WARNINGS_AS_ERRORS=OFF )
fi
cmake_src_configure
}
src_compile() {
# Build sycl (this also installs some stuff already)
cmake_build deploy-sycl-toolchain
use doc && cmake_build doxygen-sycl
# Install all other files into the same temporary directory
cmake_build install
}
src_test() {
cmake_build check
}
src_install() {
einstalldocs
local LLVM_INTEL_DIR="/usr/lib/llvm/intel"
dodir "${LLVM_INTEL_DIR}"
# Copy our temporary directory to the image directory
mv "${BUILD_DIR}/install"/* "${ED}/${LLVM_INTEL_DIR}" || die
# Copied from llvm ebuild, put env file last so we don't overwrite main llvm/clang
newenvd - "60llvm-intel" <<-_EOF_
PATH="${EPREFIX}${LLVM_INTEL_DIR}/bin"
# we need to duplicate it in ROOTPATH for Portage to respect...
ROOTPATH="${EPREFIX}${LLVM_INTEL_DIR}/bin"
MANPATH="${EPREFIX}${LLVM_INTEL_DIR}/share/man"
LDPATH="${EPREFIX}${LLVM_INTEL_DIR}/lib:${EPREFIX}${LLVM_INTEL_DIR}/lib64"
_EOF_
}
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