sys-libs/llvm-libunwind: Add 9.0 branch live ebuild

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-9.0.9999.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-9.0.9999.ebuild
new file mode 100644 (file)
index 0000000..9534257
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-9.0.9999.ebuild
@@ -0,0 +1,147 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
+inherit cmake-multilib git-r3 llvm multiprocessing python-any-r1
+
+DESCRIPTION="C++ runtime stack unwinder from LLVM"
+HOMEPAGE="https://github.com/llvm-mirror/libunwind"
+SRC_URI=""
+EGIT_REPO_URI="https://git.llvm.org/git/libunwind.git
+       https://github.com/llvm-mirror/libunwind.git"
+EGIT_BRANCH="release_90"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS=""
+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}]') )"
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+python_check_deps() {
+       has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+       use test && python-any-r1_pkg_setup
+}
+
+src_unpack() {
+       if use test; then
+               git-r3_fetch "https://git.llvm.org/git/libcxx.git
+                       https://github.com/llvm-mirror/libcxx.git"
+               git-r3_fetch "https://git.llvm.org/git/libcxxabi.git
+                       https://github.com/llvm-mirror/libcxxabi.git"
+       fi
+       git-r3_fetch
+
+       if use test; then
+               git-r3_checkout https://llvm.org/git/libcxx.git \
+                       "${WORKDIR}"/libcxx
+               git-r3_checkout https://llvm.org/git/libcxxabi.git \
+                       "${WORKDIR}"/libcxxabi
+       fi
+       git-r3_checkout
+}
+
+multilib_src_configure() {
+       local libdir=$(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=OFF
+               -DLIBCXXABI_ENABLE_STATIC=ONF
+               -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=OFF
+               -DLIBCXX_ENABLE_STATIC=ON
+               -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}/$(get_libdir)/" || die
+
+       local -x LIT_PRESERVES_TMP=1
+       cmake-utils_src_make check-unwind
+}
+
+multilib_src_install() {
+       cmake-utils_src_install
+
+       # install headers like sys-libs/libunwind
+       doheader "${S}"/include/*.h
+}