blob: db02d2c5a3fd7444e46e3a90b43b104319d327af [file] [log] [blame]
# source this file. Don't run it.
# Copyright (C) 2019 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Usage:
# source build/envsetup.sh
# to setup your path and cross compiler so that a kernel build command is
# just:
# make -j24
[ -n "$ENVSETUP_SH_INCLUDED" ] && return || export ENVSETUP_SH_INCLUDED=1
# TODO: Use a $(gettop) style method.
export ROOT_DIR=$PWD
export BUILD_CONFIG=${BUILD_CONFIG:-build.config}
. ${ROOT_DIR}/${BUILD_CONFIG}
export COMMON_OUT_DIR=$(readlink -m ${OUT_DIR:-${ROOT_DIR}/out/${BRANCH}})
export OUT_DIR=$(readlink -m ${COMMON_OUT_DIR}/${KERNEL_DIR})
export DIST_DIR=$(readlink -m ${DIST_DIR:-${COMMON_OUT_DIR}/dist})
echo "========================================================"
echo "= build config: ${ROOT_DIR}/${BUILD_CONFIG}"
cat ${ROOT_DIR}/${BUILD_CONFIG}
# List of prebuilt directories shell variables to incorporate into PATH
PREBUILTS_PATHS="
LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN
LINUX_GCC_CROSS_COMPILE_ARM32_PREBUILTS_BIN
CLANG_PREBUILT_BIN
LZ4_PREBUILTS_BIN
DTC_PREBUILTS_BIN
LIBUFDT_PREBUILTS_BIN
"
for PREBUILT_BIN in ${PREBUILTS_PATHS}; do
PREBUILT_BIN=\${${PREBUILT_BIN}}
eval PREBUILT_BIN="${PREBUILT_BIN}"
if [ -n "${PREBUILT_BIN}" ]; then
# Mitigate dup paths
PATH=${PATH//"${ROOT_DIR}/${PREBUILT_BIN}:"}
PATH=${ROOT_DIR}/${PREBUILT_BIN}:${PATH}
fi
done
export PATH
echo
echo "PATH=${PATH}"
echo
export $(sed -n -e 's/\([^=]\)=.*/\1/p' ${ROOT_DIR}/${BUILD_CONFIG})
# verifies that defconfig matches the DEFCONFIG
function check_defconfig() {
(cd ${OUT_DIR} && \
make O=${OUT_DIR} savedefconfig)
[ "$ARCH" = "x86_64" -o "$ARCH" = "i386" ] && local ARCH=x86
echo Verifying that savedefconfig matches ${KERNEL_DIR}/arch/${ARCH}/configs/${DEFCONFIG}
RES=0
diff ${OUT_DIR}/defconfig ${KERNEL_DIR}/arch/${ARCH}/configs/${DEFCONFIG} ||
RES=$?
if [ ${RES} -ne 0 ]; then
echo ERROR: savedefconfig does not match ${KERNEL_DIR}/arch/${ARCH}/configs/${DEFCONFIG}
fi
return ${RES}
}