#!/bin/bash
# SPDX-FileCopyrightText: The Eigen Authors
# SPDX-License-Identifier: MPL-2.0

set -x

echo "Running ${CI_JOB_NAME}"

echo "Host machine configuration:"
uname -a
cat /etc/os-release || true
lscpu || true
free -h || true
df -h . || true

# GPU builds can run on hosts without a GPU or its diagnostic tools.
for gpu_info in nvidia-smi rocm-smi; do
  if command -v "${gpu_info}" > /dev/null 2>&1; then
    "${gpu_info}" || echo "${gpu_info} failed; GPU diagnostics unavailable."
  fi
done

# Get architecture and display CI configuration.
export ARCH=`uname -m`
export NPROC=`nproc`
echo "arch=$ARCH, target=${EIGEN_CI_TARGET_ARCH}"
echo "Processors: ${NPROC}"
echo "CI Variables:"
export | grep EIGEN | grep -v "CACHE_TOKEN"

# Set noninteractive, otherwise tzdata may be installed and prompt for a
# geographical region.
export DEBIAN_FRONTEND=noninteractive
if [[ "${EIGEN_CI_SKIP_APT}" != "true" ]]; then
  apt-get update -y > /dev/null
  # python3 drives both the test pass cache and the sccache GCS credential server;
  # curl and ca-certificates support downloading sccache and probing the credential server.
  packages="ninja-build cmake git xsltproc ccache curl ca-certificates python3"
  apt-get install -y --no-install-recommends ${packages} > /dev/null
fi

# Install required dependencies and set up compilers.
# These are required even for testing to ensure that dynamic runtime libraries
# are available.
if [[ "$ARCH" == "${EIGEN_CI_TARGET_ARCH}" || "${EIGEN_CI_TARGET_ARCH}" == "any" ]]; then
  if [[ "${EIGEN_CI_SKIP_APT}" != "true" ]]; then
    apt-get install -y --no-install-recommends ${EIGEN_CI_INSTALL} > /dev/null;
  fi
  export EIGEN_CI_CXX_IMPLICIT_INCLUDE_DIRECTORIES="";
  export EIGEN_CI_CXX_COMPILER_TARGET="";
else
  if [[ "${EIGEN_CI_SKIP_APT}" != "true" ]]; then
    apt-get install -y --no-install-recommends ${EIGEN_CI_CROSS_INSTALL} > /dev/null;
  fi
  export EIGEN_CI_C_COMPILER=${EIGEN_CI_CROSS_C_COMPILER};
  export EIGEN_CI_CXX_COMPILER=${EIGEN_CI_CROSS_CXX_COMPILER};
  export EIGEN_CI_CXX_COMPILER_TARGET=${EIGEN_CI_CROSS_TARGET_TRIPLE};
  # Tell the compiler where to find headers and libraries if using clang.
  # NOTE: this breaks GCC since it messes with include path order
  #       (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129)
  if [[ "${EIGEN_CI_CROSS_CXX_COMPILER}" == *"clang"* ]]; then
    export CPLUS_INCLUDE_PATH="/usr/${EIGEN_CI_CROSS_TARGET_TRIPLE}/include";
    export LIBRARY_PATH="/usr/${EIGEN_CI_CROSS_TARGET_TRIPLE}/lib64";
  fi
fi

echo "Compilers: ${EIGEN_CI_C_COMPILER} ${EIGEN_CI_CXX_COMPILER}"

if [ -n "$EIGEN_CI_BEFORE_SCRIPT" ]; then eval "$EIGEN_CI_BEFORE_SCRIPT"; fi

set +x