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