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1#!/bin/bash
2#
3# Copyright (C) 2018 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# This will build a target using linux_bionic. It can be called with normal make
18# flags.
19#
20# TODO This runs a 'm clean' prior to building the targets in order to ensure
21# that obsolete kati files don't mess up the build.
22
23if [[ -z $ANDROID_BUILD_TOP ]]; then
24  pushd .
25else
26  pushd $ANDROID_BUILD_TOP
27fi
28
29if [ ! -d art ]; then
30  echo "Script needs to be run at the root of the android tree"
31  exit 1
32fi
33
34# TODO(b/194433871): Set MODULE_BUILD_FROM_SOURCE to disable prebuilt modules,
35# which Soong otherwise can create duplicate install rules for in --skip-make
36# mode.
37soong_args="MODULE_BUILD_FROM_SOURCE=true"
38
39# Switch the build system to unbundled mode in the reduced manifest branch.
40if [ ! -d frameworks/base ]; then
41  soong_args="$soong_args TARGET_BUILD_UNBUNDLED=true"
42fi
43
44source build/envsetup.sh >&/dev/null # for get_build_var
45# Soong needs a bunch of variables set and will not run if they are missing.
46# The default values of these variables is only contained in make, so use
47# nothing to create the variables then remove all the other artifacts.
48# Lunch since it seems we cannot find the build-number otherwise.
49lunch aosp_x86-eng
50build/soong/soong_ui.bash --make-mode $soong_args nothing
51
52if [ $? != 0 ]; then
53  exit 1
54fi
55
56out_dir=$(get_build_var OUT_DIR)
57host_out=$(get_build_var HOST_OUT)
58
59# TODO(b/31559095) Figure out a better way to do this.
60#
61# There is no good way to force soong to generate host-bionic builds currently
62# so this is a hacky workaround.
63tmp_soong_var=$(mktemp --tmpdir soong.variables.bak.XXXXXX)
64tmp_build_number=$(cat ${out_dir}/soong/build_number.txt)
65
66cat $out_dir/soong/soong.variables > ${tmp_soong_var}
67
68# See comment above about b/123645297 for why we cannot just do m clean. Clear
69# out all files except for intermediates and installed files and dexpreopt.config.
70find $out_dir/ -maxdepth 1 -mindepth 1 \
71               -not -name soong        \
72               -not -name host         \
73               -not -name target | xargs -I '{}' rm -rf '{}'
74find $out_dir/soong/ -maxdepth 1 -mindepth 1   \
75                     -not -name .intermediates \
76                     -not -name host           \
77                     -not -name dexpreopt.config \
78                     -not -name target | xargs -I '{}' rm -rf '{}'
79
80python3 <<END - ${tmp_soong_var} ${out_dir}/soong/soong.variables
81import json
82import sys
83x = json.load(open(sys.argv[1]))
84x['Allow_missing_dependencies'] = True
85x['HostArch'] = 'x86_64'
86x['CrossHost'] = 'linux_bionic'
87x['CrossHostArch'] = 'x86_64'
88if 'CrossHostSecondaryArch' in x:
89  del x['CrossHostSecondaryArch']
90json.dump(x, open(sys.argv[2], mode='w'))
91END
92
93rm $tmp_soong_var
94
95# Write a new build-number
96echo ${tmp_build_number}_SOONG_ONLY_BUILD > ${out_dir}/soong/build_number.txt
97
98build/soong/soong_ui.bash --make-mode --skip-make $soong_args $@
99