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clang-p2996/.ci/monolithic-linux.sh
Aiden Grossman b93e4215ec [CI] Use LLVM_ENABLE_RUNTIMES for runtimes builds on Linux
This patch switches us to using LLVM_ENABLE_RUNTIMES rather than using
separate runtimes builds for some reductions in CMake configuration time
and some simplification of the monolithic-linux.sh script.

Reviewers: DavidSpickett, cmtice, lnihlen, Endilll, tstellar

Reviewed By: Endilll, DavidSpickett

Pull Request: https://github.com/llvm/llvm-project/pull/142694
2025-06-08 22:06:53 +00:00

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#!/usr/bin/env bash
#===----------------------------------------------------------------------===##
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===----------------------------------------------------------------------===##
#
# This script performs a monolithic build of the monorepo and runs the tests of
# most projects on Linux. This should be replaced by per-project scripts that
# run only the relevant tests.
#
set -ex
set -o pipefail
MONOREPO_ROOT="${MONOREPO_ROOT:="$(git rev-parse --show-toplevel)"}"
BUILD_DIR="${BUILD_DIR:=${MONOREPO_ROOT}/build}"
INSTALL_DIR="${BUILD_DIR}/install"
rm -rf "${BUILD_DIR}"
ccache --zero-stats
if [[ -n "${CLEAR_CACHE:-}" ]]; then
echo "clearing cache"
ccache --clear
fi
mkdir -p artifacts/reproducers
# Make sure any clang reproducers will end up as artifacts.
export CLANG_CRASH_DIAGNOSTICS_DIR=`realpath artifacts/reproducers`
function at-exit {
retcode=$?
ccache --print-stats > artifacts/ccache_stats.txt
cp "${BUILD_DIR}"/.ninja_log artifacts/.ninja_log
cp "${BUILD_DIR}"/test-results.*.xml artifacts/ || :
# If building fails there will be no results files.
shopt -s nullglob
if command -v buildkite-agent 2>&1 >/dev/null
then
python3 "${MONOREPO_ROOT}"/.ci/generate_test_report_buildkite.py ":linux: Linux x64 Test Results" \
"linux-x64-test-results" $retcode "${BUILD_DIR}"/test-results.*.xml
else
python3 "${MONOREPO_ROOT}"/.ci/generate_test_report_github.py ":penguin: Linux x64 Test Results" \
$retcode "${BUILD_DIR}"/test-results.*.xml >> $GITHUB_STEP_SUMMARY
fi
}
trap at-exit EXIT
projects="${1}"
targets="${2}"
lit_args="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --use-unique-output-file-name --timeout=1200 --time-tests"
echo "--- cmake"
export PIP_BREAK_SYSTEM_PACKAGES=1
pip install -q -r "${MONOREPO_ROOT}"/.ci/all_requirements.txt
# Set the system llvm-symbolizer as preferred.
export LLVM_SYMBOLIZER_PATH=`which llvm-symbolizer`
[[ ! -f "${LLVM_SYMBOLIZER_PATH}" ]] && echo "llvm-symbolizer not found!"
# Set up all runtimes either way. libcxx is a dependency of LLDB.
# It will not be built unless it is used.
cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
-D LLVM_ENABLE_PROJECTS="${projects}" \
-D LLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
-G Ninja \
-D CMAKE_PREFIX_PATH="${HOME}/.local" \
-D CMAKE_BUILD_TYPE=Release \
-D LLVM_ENABLE_ASSERTIONS=ON \
-D LLVM_BUILD_EXAMPLES=ON \
-D COMPILER_RT_BUILD_LIBFUZZER=OFF \
-D LLVM_LIT_ARGS="${lit_args}" \
-D LLVM_ENABLE_LLD=ON \
-D CMAKE_CXX_FLAGS=-gmlt \
-D LLVM_CCACHE_BUILD=ON \
-D LIBCXX_CXX_ABI=libcxxabi \
-D MLIR_ENABLE_BINDINGS_PYTHON=ON \
-D LLDB_ENABLE_PYTHON=ON \
-D LLDB_ENFORCE_STRICT_TEST_REQUIREMENTS=ON \
-D CMAKE_INSTALL_PREFIX="${INSTALL_DIR}"
echo "--- ninja"
# Targets are not escaped as they are passed as separate arguments.
ninja -C "${BUILD_DIR}" -k 0 ${targets}
runtimes="${3}"
runtime_targets="${4}"
# Compiling runtimes with just-built Clang and running their tests
# as an additional testing for Clang.
if [[ "${runtimes}" != "" ]]; then
if [[ "${runtime_targets}" == "" ]]; then
echo "Runtimes to build are specified, but targets are not."
exit 1
fi
echo "--- cmake runtimes C++26"
cmake \
-D LIBCXX_TEST_PARAMS="std=c++26" \
-D LIBCXXABI_TEST_PARAMS="std=c++26" \
"${BUILD_DIR}"
echo "--- ninja runtimes C++26"
ninja -C "${BUILD_DIR}" ${runtime_targets}
echo "--- cmake runtimes clang modules"
cmake \
-D LIBCXX_TEST_PARAMS="enable_modules=clang" \
-D LIBCXXABI_TEST_PARAMS="enable_modules=clang" \
"${BUILD_DIR}"
echo "--- ninja runtimes clang modules"
ninja -C "${BUILD_DIR}" ${runtime_targets}
fi