2 files changed, 146 insertions, 0 deletions
diff --git a/sys-libs/llvm-libunwind/Manifest b/sys-libs/llvm-libunwind/Manifest
index d468751b3fe1..f5145e489314 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -1,8 +1,11 @@
 DIST libcxx-6.0.1.src.tar.xz 1552328 BLAKE2B 65a6addd04e530c2a72e8cba207282b9e9fafc01a594d7b11f63d10b6f88eca67a3cdf90b8055e410ede358d9be1f63fbe427f308e1337833447c0260d96e1c8 SHA512 c04f628b0924d76f035f615b59d19ce42dfc19c9a8eea4fe2b22a95cfe5a037ebdb30943fd741443939df5b4cf692bc1e51c840fefefbd134e3afbe2a75fe875
 DIST libcxx-7.0.1.src.tar.xz 1638188 BLAKE2B 541d27c3801895d59ad06b15de5fe9ff0d9b5b3ef393a5fad05a12a52dd6453ecc530b0ce3129624a27e959d3c9c5f7066ebb57fd85caca538ebf4f990aa6967 SHA512 b3ad7ad95bdcf2d902b29de8a0b757d4dbc220bc1a22a813d6bcec15a34b3aa42e85c59f4cecbb318c799ca611550b44c328b37278f4349b984016ad4556c1d8
+DIST libcxx-8.0.0rc2.src.tar.xz 1755516 BLAKE2B b6c15d0d50d01e69afb376140052a1d27e2acef45796781497b35dbd8c26db88883e17105fb4e83c50097ab7a4ebf077350754bc1b1d43ef8426b82a7e92b72d SHA512 79ac5a389f5a6bcb145e8e387ae2cbdf0679996a9f66fe38a8e62cd893b6ed68943824d5538e7408b57ecfa4182aec20b837158c9a6f50188c1e9aae176a4f5f
 DIST libcxxabi-6.0.1.src.tar.xz 528356 BLAKE2B b301b750b2928864d3fc51e66cf91aab6837636ec2bce706b9a97296ec96af4bd2e80b1bf80c9b4afe449335ee12bbdd1905433c27e1770e16bc306baf206927 SHA512 bbb4c7b412e295cb735f637df48a83093eef45ed5444f7766790b4b047f75fd5fd634d8f3a8ac33a5c1407bd16fd450ba113f60a9bcc1d0a911fe0c54e9c81f2
 DIST libcxxabi-7.0.1.src.tar.xz 535096 BLAKE2B 212330e8dbde98280b1bcd4f36ea3f30b69af9816e6c252bd9640c45501536ce38e8b57f3e82195d2a33cb1286651f7cad82713c71e8012e512e04c4ff7bad64 SHA512 92e8d28f329e9a8cce296f0fddd88324198f722db3a748bb2164b28ae8eca6047c89ed1e70af00bbedd93ce4285b2ab1e0307a65b88dc60e581eebfd6cbd2038
+DIST libcxxabi-8.0.0rc2.src.tar.xz 539092 BLAKE2B 2e03457c44d45035f18b01f34766d520e44f680ec9c73c8166a081e7311119a1ac17461d7e15f60728f4c1eb5d4a285b29c1b2123059d065eaf7f46c233210cb SHA512 9887da2b1ae4fe821e6e66fd4ce5f134d8600243e64fbac2bc5baaaa08dee689367ab1667522bc91328b18222f9fbe59fe79346b8ef529652b1ac300cf5bc161
 DIST libunwind-4.0.1.src.tar.xz 63388 BLAKE2B f49772beabaa8519a5f8dbbaef9c2d6554468a66b89a5f012946d59f772fe864809a5c95b726bcb4c059ca551a4eb023a88f4fa618756b34fef2058e272467e6 SHA512 8a0552a8ab830010d81420f4b778a3b831bff85b19bcce972958fc30e1ba5a2fa26a3deba499985a43dd7a103690775f6a20e7b3edda55f4eaff3541002d6b59
 DIST libunwind-5.0.2.src.tar.xz 72340 BLAKE2B 8a62bd91f6decae1a9a51df19f708fcdf72a6fe6e57a5848c5dd0d36ff2dc64db8a0b3af469cdd5e787b9301f2718df0981f91857ecbc7a5f5d95a1a053652bc SHA512 137c4b269bff053d532a373e9f696ca68ad0bbf606a18dc98597e00fcfc6ce21d74bc2a0c03b96444654d688fa97d544c6f6b70822fcf7e190ed96f193ddc6ba
 DIST libunwind-6.0.1.src.tar.xz 77036 BLAKE2B b6c293285896c8ff1f64bb56eee5a88b102b7ed9902d46436ee3cb79f204f230fd08a07d39c7fa9aeeddd093036f2bb9af38dd54268099ea9e51e12a71ff4adb SHA512 78568c28720abdd1f8471c462421df9965e05e1db048689d16ac85378716c4080ec1723af78e9f61d133b0ff82ac8c1f0dde7fd42d194485f62c1a17c02db37f
 DIST libunwind-7.0.1.src.tar.xz 79784 BLAKE2B c426ef661d1c5ba8abfdb7c155b44d8c9301e2254031cff9fcb0634f61d7374779095be3118c0a29c69e60c63a32405334242413625ece8c5c9130d58bedd865 SHA512 e6203e77691c7039496da09e55d27a994a0e273ab0ef10df2f0b9345fead11d855413342a7ccc7b641c3f06053210a8822ba39e9f5b8624384bf1fa456deb969
+DIST libunwind-8.0.0rc2.src.tar.xz 86508 BLAKE2B 1aa4999c25046ac272ebcff0a2bf0d53846660fa336e6dfea7e794ef1ab21c1c9040c3beda6fb02f5552426f4b859eec71e4bf76886c0c9780c51892d9733ef4 SHA512 50ad07e5d6571d6f98681e796bc9877105c1ab1e3aa8ee76258c121cb5b0cc99675c47cf9513822ef3a522592f1ee4e836031c878d9d96cb973ddebcdcad8841
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-8.0.0_rc2.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-8.0.0_rc2.ebuild
new file mode 100644
index 000000000000..6948d378b79e
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-8.0.0_rc2.ebuild
@@ -0,0 +1,143 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+inherit cmake-multilib llvm multiprocessing python-any-r1
+
+MY_P=libunwind-${PV/_/}.src
+LIBCXX_P=libcxx-${PV/_/}.src
+LIBCXXABI_P=libcxxabi-${PV/_/}.src
+
+DESCRIPTION="C++ runtime stack unwinder from LLVM"
+HOMEPAGE="https://github.com/llvm-mirror/libunwind"
+SRC_URI="https://prereleases.llvm.org/${PV/_//}/${MY_P}.tar.xz
+	test? (
+		https://prereleases.llvm.org/${PV/_//}/${LIBCXX_P}.tar.xz
+		https://prereleases.llvm.org/${PV/_//}/${LIBCXXABI_P}.tar.xz )"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86 ~amd64-fbsd"
+IUSE="debug +static-libs test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="!sys-libs/libunwind"
+# llvm-6 for new lit options
+DEPEND="
+	>=sys-devel/llvm-6
+	test? ( >=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
+
+S=${WORKDIR}/${MY_P}
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+python_check_deps() {
+	has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+src_unpack() {
+	default
+
+	if use test; then
+		mv "${LIBCXX_P}" libcxx || die
+		mv "${LIBCXXABI_P}" libcxxabi || die
+	fi
+}
+
+multilib_src_configure() {
+	local libdir=$(get_libdir)
+
+	local mycmakeargs=(
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLIBUNWIND_ENABLE_ASSERTIONS=$(usex debug)
+		-DLIBUNWIND_ENABLE_STATIC=$(usex static-libs)
+		-DLLVM_INCLUDE_TESTS=$(usex test)
+
+		# support non-native unwinding; given it's small enough,
+		# enable it unconditionally
+		-DLIBUNWIND_ENABLE_CROSS_UNWINDING=ON
+	)
+	if use test; then
+		local clang_path=$(type -P "${CHOST:+${CHOST}-}clang" 2>/dev/null)
+		local jobs=${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}
+
+		[[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang for tests"
+
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="-vv;-j;${jobs};--param=cxx_under_test=${clang_path}"
+			-DLIBUNWIND_LIBCXX_PATH="${WORKDIR}"/libcxx
+		)
+	fi
+
+	cmake-utils_src_configure
+}
+
+build_libcxxabi() {
+	local -x LDFLAGS="${LDFLAGS} -L${BUILD_DIR}/$(get_libdir)"
+	local CMAKE_USE_DIR=${WORKDIR}/libcxxabi
+	local BUILD_DIR=${BUILD_DIR}/libcxxabi
+	local mycmakeargs=(
+		-DLIBCXXABI_LIBDIR_SUFFIX=
+		-DLIBCXXABI_ENABLE_SHARED=ON
+		-DLIBCXXABI_ENABLE_STATIC=OFF
+		-DLIBCXXABI_USE_LLVM_UNWINDER=ON
+		-DLIBCXXABI_INCLUDE_TESTS=OFF
+
+		-DLIBCXXABI_LIBCXX_INCLUDES="${WORKDIR}"/libcxx/include
+		-DLIBCXXABI_LIBUNWIND_INCLUDES="${S}"/include
+	)
+
+	cmake-utils_src_configure
+	cmake-utils_src_compile
+}
+
+build_libcxx() {
+	local -x LDFLAGS="${LDFLAGS} -L${BUILD_DIR}/libcxxabi/lib -L${BUILD_DIR}/$(get_libdir)"
+	local CMAKE_USE_DIR=${WORKDIR}/libcxx
+	local BUILD_DIR=${BUILD_DIR}/libcxx
+	local mycmakeargs=(
+		-DLIBCXX_LIBDIR_SUFFIX=
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF
+		-DLIBCXXABI_USE_LLVM_UNWINDER=ON
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_CXX_ABI_INCLUDE_PATHS="${WORKDIR}"/libcxxabi/include
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=OFF
+		-DLIBCXX_INCLUDE_TESTS=OFF
+	)
+
+	cmake-utils_src_configure
+	cmake-utils_src_compile
+}
+
+multilib_src_test() {
+	# build local copies of libc++ & libc++abi for testing to avoid
+	# circular deps
+	build_libcxxabi
+	build_libcxx
+	mv "${BUILD_DIR}"/libcxx*/lib/libc++* "${BUILD_DIR}/$(get_libdir)/" || die
+
+	cmake-utils_src_make check-unwind
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+
+	# install headers like sys-libs/libunwind
+	doheader "${S}"/include/*.h
+}