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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake
DESCRIPTION="Radeon Open Compute llvm,lld,clang"
HOMEPAGE="https://github.com/RadeonOpenCompute/ROCm/"
SRC_URI="https://github.com/RadeonOpenCompute/llvm-project/archive/rocm-${PV}.tar.gz -> llvm-rocm-ocl-${PV}.tar.gz"
LICENSE="UoI-NCSA rc BSD public-domain"
SLOT="0"
KEYWORDS="~amd64"
IUSE="debug +runtime"
RDEPEND="
dev-libs/libxml2
sys-libs/zlib
sys-libs/ncurses:="
DEPEND="${RDEPEND}"
S="${WORKDIR}/llvm-project-rocm-${PV}/llvm"
PATCHES=(
"${FILESDIR}/${PN}-4.2.0-current_pos.patch"
"${FILESDIR}/${PN}-5.0.0-linkdl.patch"
)
CMAKE_BUILD_TYPE=RelWithDebInfo
src_prepare() {
cd "${WORKDIR}/llvm-project-rocm-${PV}" || die
eapply "${FILESDIR}/${PN}-4.0.0-remove-isystem-usr-include.patch"
eapply "${FILESDIR}/${PN}-5.0.0-hip-location.patch"
eapply "${FILESDIR}/${PN}-5.0.0-add_GNU-stack.patch"
if [[ -n ${EPREFIX} ]]; then
pushd "${S}"/../clang >/dev/null || die
sed -i -e "s@DEFAULT_SYSROOT \"\"@DEFAULT_SYSROOT \"${EPREFIX}\"@" CMakeLists.txt || die
eend $?
ebegin "Use "${EPREFIX}" as default sysroot"
cd lib/Driver/ToolChains >/dev/null || die
ebegin "Use dynamic linker from ${EPREFIX}"
sed -i -e "/LibDir.*Loader/s@return \"\/\"@return \"${EPREFIX}/\"@" Linux.cpp || die
eend $?
ebegin "Remove --sysroot call on ld for native toolchain"
sed -i -e "$(grep -n -B1 sysroot= Gnu.cpp | sed -ne '{1s/-.*//;1p}'),+1 d" Gnu.cpp || die
eend $?
popd >/dev/null || die
fi
# handled by sysroot, don't prefixify here.
sed -e 's:/opt/rocm:/usr/lib/hip:' \
-i "${S}"/../clang/lib/Driver/ToolChains/AMDGPU.cpp || die
eapply_user
cmake_src_prepare
}
src_configure() {
PROJECTS="clang;lld;llvm"
if usex runtime; then
PROJECTS+=";compiler-rt"
fi
local mycmakeargs=(
-Wno-dev
-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/roc"
-DCMAKE_DISABLE_FIND_PACKAGE_CUDA=ON
-DLLVM_ENABLE_PROJECTS="${PROJECTS}"
-DLLVM_TARGETS_TO_BUILD="AMDGPU;X86"
-DLLVM_BUILD_DOCS=NO
-DLLVM_ENABLE_BINDINGS=OFF
-DLLVM_ENABLE_OCAMLDOC=OFF
-DLLVM_ENABLE_SPHINX=NO
-DLLVM_ENABLE_DOXYGEN=OFF
-DLLVM_BUILD_UTILS=ON
-DLLVM_VERSION_SUFFIX=roc
-DOCAMLFIND=NO
)
use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
cmake_src_configure
}
src_install() {
cmake_src_install
cat > "99${PN}" <<-EOF
LDPATH="${EPREFIX}/usr/lib/llvm/roc/lib"
EOF
doenvd "99${PN}"
}
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