platform_system_sepolicy/tools/build_policies.sh
Jeff Vander Stoep be6489d1bf tools/build_policies.sh make tool executable
chmod +x

Test: build all sepolicy targets.
Change-Id: I9e47b78667e4a213c31ecce0e37fe7f84abd9655
2018-01-30 10:08:34 -08:00

90 lines
2.5 KiB
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Executable file

#!/bin/bash
# Ensure that GNU parallel is installed.
# We use this to build multiple targets at the same time.
if [[ -z $(command -v parallel) ]]; then
echo "Please install GNU Parallel."
exit
fi
if [[ $# -lt 2 ]]; then
echo "Usage: $0 <Android root directory> <output directory> [specific targets to build]"
exit
fi
android_root_dir=$1
export out_dir=$2
shift 2
all_targets="$@"
echo "Android tree: $android_root_dir"
echo "Output directory: $out_dir"
mkdir -p $out_dir
cd $android_root_dir
source build/envsetup.sh > /dev/null
# Collect the list of targets by parsing the output of lunch.
# TODO: This misses some targets.
if [[ "$all_targets" = "" ]]; then
all_targets=`lunch 2>/dev/null <<< _ | grep "[0-9]" | sed 's/^.* //'`
fi
# Clean up targets by replacing eng with userdebug using non-aosp variants.
declare -A targets_map
for target in $all_targets; do
targets_map[$target]=$target
done
targets=""
for target in $all_targets; do
clean_target=$(echo $target | sed 's/-eng/-userdebug/' | sed 's/aosp_//')
if [[ $clean_target != $target ]] && [[ ${targets_map[$clean_target]} == $clean_target ]]; then
echo "Ignoring $target in favor of $clean_target"
else
if [[ -z $targets ]]; then
targets=$target
else
targets="$targets $target"
fi
fi
done
# Calculate the number of targets to build at once.
# This heuristic could probably be improved.
cores=$(nproc --all)
num_targets=$(echo "$targets" | sed 's/ /\n/g' | wc -l)
parallel_jobs=$(expr $cores / 2)
if [[ $num_targets -lt $parallel_jobs ]]; then
export mmma_jobs=$(expr $cores / $num_targets \* 2)
else
export mmma_jobs=4
fi
echo "$num_targets target(s): $(echo $targets | paste -sd' ')"
compile_target () {
target=$1
source build/envsetup.sh > /dev/null
lunch $target &> /dev/null
# Some targets can't lunch properly.
if [ $? -ne 0 ]; then
echo "$target cannot be lunched"
return 1
fi
my_out_file="$out_dir/log.$target"
rm -f $my_out_file
# Build the policy.
OUT_DIR=$out_dir/out.$target mmma -j$mmma_jobs system/sepolicy &>> $my_out_file
if [ $? -ne 0 ]; then
echo "$target failed to build"
return 2
fi
return 0
}
export -f compile_target
parallel --no-notice -j $parallel_jobs --bar --joblog $out_dir/joblog compile_target ::: $targets
echo "Failed to lunch: $(grep "\s1\s0\scompile_target" $out_dir/joblog | sed 's/^.* //' | sort | paste -sd' ')"
echo "Failed to build: $(grep "\s2\s0\scompile_target" $out_dir/joblog | sed 's/^.* //' | sort | paste -sd' ')"