1 files changed, 94 insertions, 0 deletions
diff --git a/sys-devel/llvm-roc/llvm-roc-4.0.0-r1.ebuild b/sys-devel/llvm-roc/llvm-roc-4.0.0-r1.ebuild
new file mode 100644
index 000000000000..5714ae9b7198
--- /dev/null
+++ b/sys-devel/llvm-roc/llvm-roc-4.0.0-r1.ebuild
@@ -0,0 +1,94 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+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="virtual/cblas
+	dev-libs/libxml2
+	sys-libs/zlib
+	sys-libs/ncurses:="
+DEPEND="${RDEPEND}"
+PDEPEND="dev-libs/rocr-runtime"
+
+S="${WORKDIR}/llvm-project-rocm-${PV}/llvm"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-3.7.0-current_pos.patch"
+	"${FILESDIR}/${PN}-3.9.0-tensorflow.patch"
+)
+
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+src_prepare() {
+	cd "${WORKDIR}/llvm-project-rocm-${PV}" || die
+	eapply "${FILESDIR}/${PN}-3.0.0-add_libraries.patch"
+	eapply "${FILESDIR}/${PN}-4.0.0-remove-isystem-usr-include.patch"
+	eapply "${FILESDIR}/${PN}-4.0.0-hip-location.patch"
+
+	if [[ -n ${EPREFIX} ]]; then
+		pushd "${S}"/../clang >/dev/null || die
+		sed -i -e "s@DEFAULT_SYSROOT \"\"@DEFAULT_SYSROOT \"${EPREFIX}\"@" CMakeLists.txt
+		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
+		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
+		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
+
+	eapply_user
+	cmake_src_prepare
+}
+
+src_configure() {
+	PROJECTS="clang;lld"
+
+	if usex runtime; then
+		PROJECTS+=";compiler-rt"
+	fi
+
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/roc"
+		-DLLVM_ENABLE_PROJECTS="${PROJECTS}"
+		-DLLVM_TARGETS_TO_BUILD="AMDGPU;X86"
+		-DLLVM_BUILD_DOCS=NO
+		-DLLVM_ENABLE_OCAMLDOC=OFF
+		-DLLVM_ENABLE_SPHINX=NO
+		-DLLVM_ENABLE_DOXYGEN=OFF
+		-DLLVM_INSTALL_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="${EROOT}/usr/lib/llvm/roc/lib"
+	EOF
+	doenvd "99${PN}"
+}