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181 lines
6.8 KiB
181 lines
6.8 KiB
#!/usr/bin/env bash
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set -ue
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function usage() {
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cat <<EOM
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$(basename ${0}) [-h|--help] --libcxx-root <LIBCXX-ROOT> --libcxxabi-root <LIBCXXABI-ROOT> --std <STD> --arch <ARCHITECTURE> --deployment-target <TARGET> --sdk-version <SDK-VERSION> [--lit-args <ARGS...>]
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This script is used to continually test the back-deployment use case of libc++ and libc++abi on MacOS.
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--libcxx-root Full path to the root of the libc++ repository to test.
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--libcxxabi-root Full path to the root of the libc++abi repository to test.
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--std Version of the C++ Standard to run the tests under (c++03, c++11, etc..).
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--arch Architecture to build the tests for (32, 64).
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--deployment-target The deployment target to run the tests for. This should be a version number of MacOS (e.g. 10.12). All MacOS versions until and including 10.7 are supported.
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--sdk-version The version of the SDK to test with. This should be a version number of MacOS (e.g. 10.12). We'll link against the libc++ dylib in that SDK, but we'll run against the one on the given deployment target.
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[--lit-args] Additional arguments to pass to lit (optional). If there are multiple arguments, quote them to pass them as a single argument to this script.
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[--no-cleanup] Do not cleanup the temporary directory that was used for testing at the end. This can be useful to debug failures. Make sure to clean up manually after.
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[-h, --help] Print this help.
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EOM
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--libcxx-root)
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LIBCXX_ROOT="${2}"
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if [[ ! -d "${LIBCXX_ROOT}" ]]; then
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echo "--libcxx-root '${LIBCXX_ROOT}' is not a valid directory"
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usage
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exit 1
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fi
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shift; shift
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;;
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--libcxxabi-root)
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LIBCXXABI_ROOT="${2}"
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if [[ ! -d "${LIBCXXABI_ROOT}" ]]; then
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echo "--libcxxabi-root '${LIBCXXABI_ROOT}' is not a valid directory"
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usage
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exit 1
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fi
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shift; shift
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;;
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--std)
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STD="${2}"
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shift; shift
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;;
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--arch)
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ARCH="${2}"
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shift; shift
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;;
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--deployment-target)
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DEPLOYMENT_TARGET="${2}"
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shift; shift
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;;
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--sdk-version)
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MACOS_SDK_VERSION="${2}"
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shift; shift
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;;
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--lit-args)
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ADDITIONAL_LIT_ARGS="${2}"
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shift; shift
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;;
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--no-cleanup)
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NO_CLEANUP=""
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shift
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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echo "${1} is not a supported argument"
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usage
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exit 1
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;;
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esac
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done
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if [[ -z ${LIBCXX_ROOT+x} ]]; then echo "--libcxx-root is a required parameter"; usage; exit 1; fi
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if [[ -z ${LIBCXXABI_ROOT+x} ]]; then echo "--libcxxabi-root is a required parameter"; usage; exit 1; fi
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if [[ -z ${STD+x} ]]; then echo "--std is a required parameter"; usage; exit 1; fi
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if [[ -z ${ARCH+x} ]]; then echo "--arch is a required parameter"; usage; exit 1; fi
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if [[ -z ${DEPLOYMENT_TARGET+x} ]]; then echo "--deployment-target is a required parameter"; usage; exit 1; fi
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if [[ -z ${MACOS_SDK_VERSION+x} ]]; then echo "--sdk-version is a required parameter"; usage; exit 1; fi
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if [[ -z ${ADDITIONAL_LIT_ARGS+x} ]]; then ADDITIONAL_LIT_ARGS=""; fi
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TEMP_DIR="$(mktemp -d)"
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echo "Created temporary directory ${TEMP_DIR}"
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function cleanup {
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if [[ -z ${NO_CLEANUP+x} ]]; then
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echo "Removing temporary directory ${TEMP_DIR}"
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rm -rf "${TEMP_DIR}"
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else
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echo "Temporary directory is at '${TEMP_DIR}', make sure to clean it up yourself"
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fi
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}
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trap cleanup EXIT
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LLVM_ROOT="${TEMP_DIR}/llvm"
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LIBCXX_BUILD_DIR="${TEMP_DIR}/libcxx-build"
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LIBCXX_INSTALL_DIR="${TEMP_DIR}/libcxx-install"
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LIBCXXABI_BUILD_DIR="${TEMP_DIR}/libcxxabi-build"
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LIBCXXABI_INSTALL_DIR="${TEMP_DIR}/libcxxabi-install"
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PREVIOUS_DYLIBS_URL="http://lab.llvm.org:8080/roots/libcxx-roots.tar.gz"
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LLVM_TARBALL_URL="https://github.com/llvm-mirror/llvm/archive/master.tar.gz"
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export CC="$(xcrun --find clang)"
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export CXX="$(xcrun --find clang++)"
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echo "@@@ Downloading LLVM tarball of master (only used for CMake configuration) @@@"
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mkdir "${LLVM_ROOT}"
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curl -L "${LLVM_TARBALL_URL}" | tar -xz --strip-components=1 -C "${LLVM_ROOT}"
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echo "@@@@@@"
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echo "@@@ Configuring architecture-related stuff @@@"
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if [[ "${ARCH}" == "64" ]]; then CMAKE_ARCH_STRING="x86_64"; else CMAKE_ARCH_STRING="i386"; fi
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if [[ "${ARCH}" == "64" ]]; then LIT_ARCH_STRING=""; else LIT_ARCH_STRING="--param=enable_32bit=true"; fi
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echo "@@@@@@"
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echo "@@@ Configuring CMake for libc++ @@@"
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mkdir -p "${LIBCXX_BUILD_DIR}"
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(cd "${LIBCXX_BUILD_DIR}" &&
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xcrun cmake "${LIBCXX_ROOT}" -GNinja \
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-DLLVM_PATH="${LLVM_ROOT}" \
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-DCMAKE_INSTALL_PREFIX="${LIBCXX_INSTALL_DIR}" \
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-DCMAKE_OSX_ARCHITECTURES="${CMAKE_ARCH_STRING}"
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)
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echo "@@@@@@"
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echo "@@@ Configuring CMake for libc++abi @@@"
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mkdir -p "${LIBCXXABI_BUILD_DIR}"
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(cd "${LIBCXXABI_BUILD_DIR}" &&
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xcrun cmake "${LIBCXXABI_ROOT}" -GNinja \
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-DLIBCXXABI_LIBCXX_PATH="${LIBCXX_ROOT}" \
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-DLLVM_PATH="${LLVM_ROOT}" \
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-DCMAKE_INSTALL_PREFIX="${LIBCXXABI_INSTALL_DIR}" \
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-DCMAKE_OSX_ARCHITECTURES="${CMAKE_ARCH_STRING}"
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)
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echo "@@@@@@"
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echo "@@@ Installing the latest libc++ headers @@@"
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ninja -C "${LIBCXX_BUILD_DIR}" install-cxx-headers
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echo "@@@@@@"
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echo "@@@ Downloading dylibs for older deployment targets @@@"
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# TODO: The tarball should contain libc++abi.dylib too, we shouldn't be relying on the system's
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# TODO: We should also link against the libc++abi.dylib that was shipped in the SDK
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PREVIOUS_DYLIBS_DIR="${TEMP_DIR}/libcxx-dylibs"
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mkdir "${PREVIOUS_DYLIBS_DIR}"
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curl "${PREVIOUS_DYLIBS_URL}" | tar -xz --strip-components=1 -C "${PREVIOUS_DYLIBS_DIR}"
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LIBCXX_ON_DEPLOYMENT_TARGET="${PREVIOUS_DYLIBS_DIR}/macOS/${DEPLOYMENT_TARGET}/libc++.dylib"
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LIBCXXABI_ON_DEPLOYMENT_TARGET="/usr/lib/libc++abi.dylib"
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LIBCXX_IN_SDK="${PREVIOUS_DYLIBS_DIR}/macOS/${MACOS_SDK_VERSION}/libc++.dylib"
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echo "@@@@@@"
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# TODO: We need to also run the tests for libc++abi.
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# TODO: Make sure lit will actually run against the libc++abi we specified
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echo "@@@ Running tests for libc++ @@@"
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"${LIBCXX_BUILD_DIR}/bin/llvm-lit" -sv "${LIBCXX_ROOT}/test" \
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--param=enable_experimental=false \
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--param=enable_filesystem=false \
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${LIT_ARCH_STRING} \
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--param=cxx_under_test="${CXX}" \
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--param=cxx_headers="${LIBCXX_INSTALL_DIR}/include/c++/v1" \
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--param=std="${STD}" \
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--param=platform="macosx${DEPLOYMENT_TARGET}" \
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--param=cxx_runtime_root="$(dirname "${LIBCXX_ON_DEPLOYMENT_TARGET}")" \
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--param=abi_library_path="$(dirname "${LIBCXXABI_ON_DEPLOYMENT_TARGET}")" \
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--param=use_system_cxx_lib="$(dirname "${LIBCXX_IN_SDK}")" \
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${ADDITIONAL_LIT_ARGS}
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echo "@@@@@@"
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