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1// Copyright 2017 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package build
16
17import (
18	"os"
19	"path/filepath"
20	"strconv"
21	"strings"
22
23	"github.com/google/blueprint/microfactory"
24
25	"android/soong/ui/metrics"
26	"android/soong/ui/status"
27)
28
29func runSoong(ctx Context, config Config) {
30	ctx.BeginTrace(metrics.RunSoong, "soong")
31	defer ctx.EndTrace()
32
33	func() {
34		ctx.BeginTrace(metrics.RunSoong, "blueprint bootstrap")
35		defer ctx.EndTrace()
36
37		cmd := Command(ctx, config, "blueprint bootstrap", "build/blueprint/bootstrap.bash", "-t")
38		cmd.Environment.Set("BLUEPRINTDIR", "./build/blueprint")
39		cmd.Environment.Set("BOOTSTRAP", "./build/blueprint/bootstrap.bash")
40		cmd.Environment.Set("BUILDDIR", config.SoongOutDir())
41		cmd.Environment.Set("GOROOT", "./"+filepath.Join("prebuilts/go", config.HostPrebuiltTag()))
42		cmd.Environment.Set("BLUEPRINT_LIST_FILE", filepath.Join(config.FileListDir(), "Android.bp.list"))
43		cmd.Environment.Set("NINJA_BUILDDIR", config.OutDir())
44		cmd.Environment.Set("SRCDIR", ".")
45		cmd.Environment.Set("TOPNAME", "Android.bp")
46		cmd.Sandbox = soongSandbox
47
48		cmd.RunAndPrintOrFatal()
49	}()
50
51	func() {
52		ctx.BeginTrace(metrics.RunSoong, "environment check")
53		defer ctx.EndTrace()
54
55		envFile := filepath.Join(config.SoongOutDir(), ".soong.environment")
56		envTool := filepath.Join(config.SoongOutDir(), ".bootstrap/bin/soong_env")
57		if _, err := os.Stat(envFile); err == nil {
58			if _, err := os.Stat(envTool); err == nil {
59				cmd := Command(ctx, config, "soong_env", envTool, envFile)
60				cmd.Sandbox = soongSandbox
61
62				var buf strings.Builder
63				cmd.Stdout = &buf
64				cmd.Stderr = &buf
65				if err := cmd.Run(); err != nil {
66					ctx.Verboseln("soong_env failed, forcing manifest regeneration")
67					os.Remove(envFile)
68				}
69
70				if buf.Len() > 0 {
71					ctx.Verboseln(buf.String())
72				}
73			} else {
74				ctx.Verboseln("Missing soong_env tool, forcing manifest regeneration")
75				os.Remove(envFile)
76			}
77		} else if !os.IsNotExist(err) {
78			ctx.Fatalf("Failed to stat %f: %v", envFile, err)
79		}
80	}()
81
82	var cfg microfactory.Config
83	cfg.Map("github.com/google/blueprint", "build/blueprint")
84
85	cfg.TrimPath = absPath(ctx, ".")
86
87	func() {
88		ctx.BeginTrace(metrics.RunSoong, "minibp")
89		defer ctx.EndTrace()
90
91		minibp := filepath.Join(config.SoongOutDir(), ".minibootstrap/minibp")
92		if _, err := microfactory.Build(&cfg, minibp, "github.com/google/blueprint/bootstrap/minibp"); err != nil {
93			ctx.Fatalln("Failed to build minibp:", err)
94		}
95	}()
96
97	func() {
98		ctx.BeginTrace(metrics.RunSoong, "bpglob")
99		defer ctx.EndTrace()
100
101		bpglob := filepath.Join(config.SoongOutDir(), ".minibootstrap/bpglob")
102		if _, err := microfactory.Build(&cfg, bpglob, "github.com/google/blueprint/bootstrap/bpglob"); err != nil {
103			ctx.Fatalln("Failed to build bpglob:", err)
104		}
105	}()
106
107	ninja := func(name, file string) {
108		ctx.BeginTrace(metrics.RunSoong, name)
109		defer ctx.EndTrace()
110
111		fifo := filepath.Join(config.OutDir(), ".ninja_fifo")
112		nr := status.NewNinjaReader(ctx, ctx.Status.StartTool(), fifo)
113		defer nr.Close()
114
115		cmd := Command(ctx, config, "soong "+name,
116			config.PrebuiltBuildTool("ninja"),
117			"-d", "keepdepfile",
118			"-w", "dupbuild=err",
119			"-j", strconv.Itoa(config.Parallel()),
120			"--frontend_file", fifo,
121			"-f", filepath.Join(config.SoongOutDir(), file))
122		cmd.Sandbox = soongSandbox
123		cmd.RunAndPrintOrFatal()
124	}
125
126	ninja("minibootstrap", ".minibootstrap/build.ninja")
127	ninja("bootstrap", ".bootstrap/build.ninja")
128}
129