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#!/usr/bin/env bash
# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0
set -e
# Switch to workspace root directory first
DIR="$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
WORKSPACE_ROOT=$DIR/..
pushd $WORKSPACE_ROOT
BUILD_ROOT=${BUILD_ROOT:-/tmp/build}
[[ ! -d "${BUILD_ROOT}" ]] && mkdir -p "${BUILD_ROOT}" || echo "Output directory already exists: BUILD_ROOT=${BUILD_ROOT}"
GTEST_BUILD_ROOT=${BUILD_ROOT}/gtest
[[ ! -d "${GTEST_BUILD_ROOT}" ]] && mkdir -p "${GTEST_BUILD_ROOT}" || echo "Output directory already exists: GTEST_BUILD_ROOT=${GTEST_BUILD_ROOT}"
# Path to Google Test source. Prefer Google Test from submodule if available:
export GTEST_SRC_PATH=${WORKSPACE_ROOT}/third_party/googletest
if [ ! -d "${GTEST_SRC_PATH}" ]; then
# If not available, then use Google Test that is installed by OS package:
export GTEST_SRC_PATH=/usr/src/gtest
if [ ! -d "${GTEST_SRC_PATH}" ]; then
echo "GTest not found!"
exit 1
fi
echo Building GTest from source: ${GTEST_SRC_PATH} ...
fi
pushd $GTEST_BUILD_ROOT
cmake -Dgtest_build_samples=OFF \
-Dgmock_build_samples=OFF \
-Dgtest_build_tests=OFF \
-Dgmock_build_tests=OFF \
-DCMAKE_CXX_FLAGS="-fPIC $CXX_FLAGS -Wno-return-type" \
-DCMAKE_INSTALL_PREFIX=$BUILD_ROOT \
"${GTEST_SRC_PATH}"
make install
popd
popd
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