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#!/usr/bin/env bash
set -ue
function usage() {
cat <<EOM
$(basename ${0}) [-h|--help] --libcxx-root <LIBCXX-ROOT> --libcxxabi-root <LIBCXXABI-ROOT> --std <STD> --arch <ARCHITECTURE> [--lit-args <ARGS...>]
This script is used to continually test libc++ and libc++abi trunk on MacOS.
--libcxx-root Full path to the root of the libc++ repository to test.
--libcxxabi-root Full path to the root of the libc++abi repository to test.
--std Version of the C++ Standard to run the tests under (c++03, c++11, etc..).
--arch Architecture to build the tests for (32, 64).
--libcxx-exceptions Whether to enable exceptions when building libc++ and running the libc++ tests. libc++abi is always built with support for exceptions because other libraries in the runtime depend on it (like libobjc). This must be ON or OFF.
[--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.
[--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.
[-h, --help] Print this help.
EOM
}
while [[ $# -gt 0 ]]; do
case "$1" in
--libcxx-root)
LIBCXX_ROOT="${2}"
if [[ ! -e "${LIBCXX_ROOT}" ]]; then
echo "--libcxx-root '${LIBCXX_ROOT}' is not a valid directory"
usage
exit 1
fi
shift; shift
;;
--libcxxabi-root)
LIBCXXABI_ROOT="${2}"
if [[ ! -e "${LIBCXXABI_ROOT}" ]]; then
echo "--libcxxabi-root '${LIBCXXABI_ROOT}' is not a valid directory"
usage
exit 1
fi
shift; shift
;;
--std)
STD="${2}"
shift; shift
;;
--arch)
ARCH="${2}"
shift; shift
;;
--libcxx-exceptions)
LIBCXX_EXCEPTIONS="${2}"
shift; shift
;;
--lit-args)
ADDITIONAL_LIT_ARGS="${2}"
shift; shift
;;
--no-cleanup)
NO_CLEANUP=""
shift
;;
-h|--help)
usage
exit 0
;;
*)
echo "${1} is not a supported argument"
usage
exit 1
;;
esac
done
if [[ -z ${LIBCXX_ROOT+x} ]]; then echo "--libcxx-root is a required parameter"; usage; exit 1; fi
if [[ -z ${LIBCXXABI_ROOT+x} ]]; then echo "--libcxxabi-root is a required parameter"; usage; exit 1; fi
if [[ -z ${STD+x} ]]; then echo "--std is a required parameter"; usage; exit 1; fi
if [[ -z ${ARCH+x} ]]; then echo "--arch is a required parameter"; usage; exit 1; fi
if [[ "${LIBCXX_EXCEPTIONS}" != "ON" && "${LIBCXX_EXCEPTIONS}" != "OFF" ]]; then echo "--libcxx-exceptions is a required parameter and must be either ON or OFF"; usage; exit 1; fi
if [[ -z ${ADDITIONAL_LIT_ARGS+x} ]]; then ADDITIONAL_LIT_ARGS=""; fi
TEMP_DIR="$(mktemp -d)"
echo "Created temporary directory ${TEMP_DIR}"
function cleanup {
if [[ -z ${NO_CLEANUP+x} ]]; then
echo "Removing temporary directory ${TEMP_DIR}"
rm -rf "${TEMP_DIR}"
else
echo "Temporary directory is at '${TEMP_DIR}', make sure to clean it up yourself"
fi
}
trap cleanup EXIT
LLVM_ROOT="${TEMP_DIR}/llvm"
LIBCXX_BUILD_DIR="${TEMP_DIR}/libcxx-build"
LIBCXX_INSTALL_DIR="${TEMP_DIR}/libcxx-install"
LIBCXXABI_BUILD_DIR="${TEMP_DIR}/libcxxabi-build"
LIBCXXABI_INSTALL_DIR="${TEMP_DIR}/libcxxabi-install"
LLVM_TARBALL_URL="https://github.com/llvm-mirror/llvm/archive/master.tar.gz"
export CC="$(xcrun --find clang)"
export CXX="$(xcrun --find clang++)"
echo "@@@ Downloading LLVM tarball of master (only used for CMake configuration) @@@"
mkdir "${LLVM_ROOT}"
curl -L "${LLVM_TARBALL_URL}" | tar -xz --strip-components=1 -C "${LLVM_ROOT}"
echo "@@@@@@"
echo "@@@ Setting up LIT flags @@@"
LIT_FLAGS="-sv --param=std=${STD} ${ADDITIONAL_LIT_ARGS}"
if [[ "${ARCH}" == "32" ]]; then
LIT_FLAGS+=" --param=enable_32bit=true"
fi
echo "@@@@@@"
echo "@@@ Configuring CMake for libc++ @@@"
mkdir -p "${LIBCXX_BUILD_DIR}"
(cd "${LIBCXX_BUILD_DIR}" &&
xcrun cmake "${LIBCXX_ROOT}" -GNinja \
-DLLVM_PATH="${LLVM_ROOT}" \
-DCMAKE_INSTALL_PREFIX="${LIBCXX_INSTALL_DIR}" \
-DLIBCXX_ENABLE_EXCEPTIONS="${LIBCXX_EXCEPTIONS}" \
-DLLVM_LIT_ARGS="${LIT_FLAGS}" \
-DCMAKE_OSX_ARCHITECTURES="i386;x86_64" # Build a universal dylib
)
echo "@@@@@@"
echo "@@@ Configuring CMake for libc++abi @@@"
mkdir -p "${LIBCXXABI_BUILD_DIR}"
(cd "${LIBCXXABI_BUILD_DIR}" &&
xcrun cmake "${LIBCXXABI_ROOT}" -GNinja \
-DLIBCXXABI_LIBCXX_PATH="${LIBCXX_ROOT}" \
-DLLVM_PATH="${LLVM_ROOT}" \
-DCMAKE_INSTALL_PREFIX="${LIBCXXABI_INSTALL_DIR}" \
-DLIBCXXABI_ENABLE_EXCEPTIONS=ON \
-DLLVM_LIT_ARGS="${LIT_FLAGS}" \
-DCMAKE_OSX_ARCHITECTURES="i386;x86_64" # Build a universal dylib
)
echo "@@@@@@"
echo "@@@ Building libc++.dylib and libc++abi.dylib from sources (just to make sure it works) @@@"
ninja -C "${LIBCXX_BUILD_DIR}" install-cxx
ninja -C "${LIBCXXABI_BUILD_DIR}" install-cxxabi
echo "@@@@@@"
echo "@@@ Running tests for libc++ @@@"
# TODO: We should run check-cxx-abilist too
ninja -C "${LIBCXX_BUILD_DIR}" check-cxx
echo "@@@@@@"
echo "@@@ Running tests for libc++abi @@@"
ninja -C "${LIBCXXABI_BUILD_DIR}" check-cxxabi
echo "@@@@@@"
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