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#!/bin/bash
(return 0 2>/dev/null) && SOURCED="true" || SOURCED="false"
export LC_ALL=C.UTF-8
export LANG=C.UTF-8
set -x
set -e
# Default locations if the var isn't already set
export TOOLS_DIR="${TOOLS_DIR:=/opt}"
export SOURCES_DIR="${SOURCES_DIR:=/sources}"
export BUILD_DIR="${BUILD_DIR:=$SOURCES_DIR/build}"
export OUTPUT_DIR="${OUTPUT_DIR:=$BUILD_DIR/output}"
export BUILD_TYPE=${BUILD_TYPE:=Release}
export GCC_ARM_VER=${GCC_ARM_VER:="gcc-arm-none-eabi-9-2020-q2-update"}
export NRF_SDK_VER=${NRF_SDK_VER:="nRF5_SDK_15.3.0_59ac345"}
MACHINE="$(uname -m)"
[[ "$MACHINE" == "arm64" ]] && MACHINE="aarch64"
main() {
local target="$1"
mkdir -p "$TOOLS_DIR"
[[ ! -d "$TOOLS_DIR/$GCC_ARM_VER" ]] && GetGcc
[[ ! -d "$TOOLS_DIR/$NRF_SDK_VER" ]] && GetNrfSdk
[[ ! -d "$TOOLS_DIR/mcuboot" ]] && GetMcuBoot
mkdir -p "$BUILD_DIR"
CmakeGenerate
CmakeBuild $target
BUILD_RESULT=$?
if [ "$DISABLE_POSTBUILD" != "true" -a "$BUILD_RESULT" == 0 ]; then
source "$BUILD_DIR/post_build.sh"
fi
# assuming post_build.sh will never fail on a successful build
return $BUILD_RESULT
}
GetGcc() {
GCC_SRC="$GCC_ARM_VER-$MACHINE-linux.tar.bz"
wget -q https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2020q2/$GCC_SRC -O - | tar -xj -C $TOOLS_DIR/
}
GetMcuBoot() {
git clone https://github.com/mcu-tools/mcuboot.git "$TOOLS_DIR/mcuboot"
pip3 install -r "$TOOLS_DIR/mcuboot/scripts/requirements.txt"
}
GetNrfSdk() {
wget -q "https://developer.nordicsemi.com/nRF5_SDK/nRF5_SDK_v15.x.x/$NRF_SDK_VER.zip" -O /tmp/$NRF_SDK_VER
unzip -q /tmp/$NRF_SDK_VER -d "$TOOLS_DIR/"
rm /tmp/$NRF_SDK_VER
}
CmakeGenerate() {
# We can swap the CD and trailing SOURCES_DIR for -B and -S respectively
# once we go to newer CMake (Ubuntu 18.10 gives us CMake 3.10)
cd "$BUILD_DIR"
cmake -G "Unix Makefiles" \
-DCMAKE_BUILD_TYPE=$BUILD_TYPE \
-DARM_NONE_EABI_TOOLCHAIN_PATH="$TOOLS_DIR/$GCC_ARM_VER" \
-DNRF5_SDK_PATH="$TOOLS_DIR/$NRF_SDK_VER" \
"$SOURCES_DIR"
cmake -L -N .
}
CmakeBuild() {
local target="$1"
[[ -n "$target" ]] && target="--target $target"
if cmake --build "$BUILD_DIR" --config $BUILD_TYPE $target -- -j$(nproc)
then return 0; else return 1;
fi
}
if [[ $SOURCED == "false" ]]; then
# It is important to return exit code of main
# To be future-proof, this is handled explicitely
main "$@"
BUILD_RESULT=$?
exit $BUILD_RESULT
else
echo "Sourced!"
fi
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