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#!/usr/bin/env bash
###############################################################################
# Copyright (c) Intel Corporation - All rights reserved. #
# This file is part of the LIBXSMM library. #
# #
# For information on the license, see the LICENSE file. #
# Further information: https://github.com/hfp/libxsmm/ #
# SPDX-License-Identifier: BSD-3-Clause #
###############################################################################
# Hans Pabst (Intel Corp.)
###############################################################################
FIND=$(command -v find)
SORT=$(command -v sort)
SED=$(command -v gsed)
# GNU sed is desired (macOS)
if [ "" = "${SED}" ]; then
SED=$(command -v sed)
fi
HERE="$(cd "$(dirname "$0")" && pwd -P)"
SRC="${HERE}/../src"
EXT="c"
if [ "${FIND}" ] && [ "${SORT}" ] && [ "${SED}" ] && [ -d "${SRC}" ]; then
export LC_ALL=C
ENVARS="$(${FIND} "${SRC}" -type f -name "*.${EXT}" -exec \
"${SED}" "s/getenv[[:space:]]*([[:space:]]*\".[^\"]*/\n&/g" {} \; | \
${SED} -n "s/.*getenv[[:space:]]*([[:space:]]*\"\(.[^\"]*\)..*/\1/p" | \
${SORT} -u)"
echo "============================="
echo "Other environment variables"
echo "============================="
echo "${ENVARS}" | ${SED} "/LIBXSMM_/d"
echo "============================="
echo "LIBXSMM environment variables"
echo "============================="
echo "${ENVARS}" | ${SED} -n "/LIBXSMM_/p"
else
>&2 echo "Error: missing prerequisites!"
exit 1
fi
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