# 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}
|
}
|
