1// Copyright 2016 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 config
16
17import (
18	"fmt"
19	"os/exec"
20	"path/filepath"
21	"strings"
22	"sync"
23
24	"android/soong/android"
25)
26
27var (
28	darwinCflags = []string{
29		"-fdiagnostics-color",
30
31		"-fPIC",
32		"-funwind-tables",
33
34		// Workaround differences in inttypes.h between host and target.
35		//See bug 12708004.
36		"-D__STDC_FORMAT_MACROS",
37		"-D__STDC_CONSTANT_MACROS",
38
39		"-isysroot ${macSdkRoot}",
40		"-mmacosx-version-min=${macMinVersion}",
41		"-DMACOSX_DEPLOYMENT_TARGET=${macMinVersion}",
42
43		"-m64",
44	}
45
46	darwinLdflags = []string{
47		"-isysroot ${macSdkRoot}",
48		"-Wl,-syslibroot,${macSdkRoot}",
49		"-mmacosx-version-min=${macMinVersion}",
50		"-m64",
51	}
52
53	darwinClangCflags = append(ClangFilterUnknownCflags(darwinCflags), []string{
54		"-integrated-as",
55		"-fstack-protector-strong",
56	}...)
57
58	darwinClangLdflags = ClangFilterUnknownCflags(darwinLdflags)
59
60	darwinClangLldflags = ClangFilterUnknownLldflags(darwinClangLdflags)
61
62	darwinSupportedSdkVersions = []string{
63		"10.10",
64		"10.11",
65		"10.12",
66		"10.13",
67		"10.14",
68		"10.15",
69		"11.0",
70	}
71
72	darwinAvailableLibraries = append(
73		addPrefix([]string{
74			"c",
75			"dl",
76			"m",
77			"ncurses",
78			"objc",
79			"pthread",
80		}, "-l"),
81		"-framework AppKit",
82		"-framework CoreFoundation",
83		"-framework Foundation",
84		"-framework IOKit",
85		"-framework Security",
86		"-framework SystemConfiguration",
87	)
88)
89
90const (
91	darwinGccVersion = "4.2.1"
92)
93
94func init() {
95	pctx.VariableFunc("macSdkRoot", func(ctx android.PackageVarContext) string {
96		return getMacTools(ctx).sdkRoot
97	})
98	pctx.StaticVariable("macMinVersion", "10.10")
99	pctx.VariableFunc("MacArPath", func(ctx android.PackageVarContext) string {
100		return getMacTools(ctx).arPath
101	})
102
103	pctx.VariableFunc("MacStripPath", func(ctx android.PackageVarContext) string {
104		return getMacTools(ctx).stripPath
105	})
106
107	pctx.VariableFunc("MacToolPath", func(ctx android.PackageVarContext) string {
108		return getMacTools(ctx).toolPath
109	})
110
111	pctx.StaticVariable("DarwinGccVersion", darwinGccVersion)
112	pctx.SourcePathVariable("DarwinGccRoot",
113		"prebuilts/gcc/${HostPrebuiltTag}/host/i686-apple-darwin-${DarwinGccVersion}")
114
115	pctx.StaticVariable("DarwinGccTriple", "i686-apple-darwin11")
116
117	pctx.StaticVariable("DarwinClangCflags", strings.Join(darwinClangCflags, " "))
118	pctx.StaticVariable("DarwinClangLdflags", strings.Join(darwinClangLdflags, " "))
119	pctx.StaticVariable("DarwinClangLldflags", strings.Join(darwinClangLldflags, " "))
120
121	pctx.StaticVariable("DarwinYasmFlags", "-f macho -m amd64")
122}
123
124type macPlatformTools struct {
125	once sync.Once
126	err  error
127
128	sdkRoot   string
129	arPath    string
130	stripPath string
131	toolPath  string
132}
133
134var macTools = &macPlatformTools{}
135
136func getMacTools(ctx android.PackageVarContext) *macPlatformTools {
137	macTools.once.Do(func() {
138		xcrunTool := ctx.Config().HostSystemTool("xcrun")
139
140		xcrun := func(args ...string) string {
141			if macTools.err != nil {
142				return ""
143			}
144
145			bytes, err := exec.Command(xcrunTool, args...).Output()
146			if err != nil {
147				macTools.err = fmt.Errorf("xcrun %q failed with: %q", args, err)
148				return ""
149			}
150
151			return strings.TrimSpace(string(bytes))
152		}
153
154		xcrunSdk := func(arg string) string {
155			if selected := ctx.Config().Getenv("MAC_SDK_VERSION"); selected != "" {
156				if !inList(selected, darwinSupportedSdkVersions) {
157					macTools.err = fmt.Errorf("MAC_SDK_VERSION %s isn't supported: %q", selected, darwinSupportedSdkVersions)
158					return ""
159				}
160
161				return xcrun("--sdk", "macosx"+selected, arg)
162			}
163
164			for _, sdk := range darwinSupportedSdkVersions {
165				bytes, err := exec.Command(xcrunTool, "--sdk", "macosx"+sdk, arg).Output()
166				if err == nil {
167					return strings.TrimSpace(string(bytes))
168				}
169			}
170			macTools.err = fmt.Errorf("Could not find a supported mac sdk: %q", darwinSupportedSdkVersions)
171			return ""
172		}
173
174		macTools.sdkRoot = xcrunSdk("--show-sdk-path")
175
176		macTools.arPath = xcrun("--find", "ar")
177		macTools.stripPath = xcrun("--find", "strip")
178		macTools.toolPath = filepath.Dir(xcrun("--find", "ld"))
179	})
180	if macTools.err != nil {
181		ctx.Errorf("%q", macTools.err)
182	}
183	return macTools
184}
185
186type toolchainDarwin struct {
187	cFlags, ldFlags string
188	toolchain64Bit
189}
190
191func (t *toolchainDarwin) Name() string {
192	return "x86_64"
193}
194
195func (t *toolchainDarwin) GccRoot() string {
196	return "${config.DarwinGccRoot}"
197}
198
199func (t *toolchainDarwin) GccTriple() string {
200	return "${config.DarwinGccTriple}"
201}
202
203func (t *toolchainDarwin) GccVersion() string {
204	return darwinGccVersion
205}
206
207func (t *toolchainDarwin) IncludeFlags() string {
208	return ""
209}
210
211func (t *toolchainDarwin) ClangTriple() string {
212	return "x86_64-apple-darwin"
213}
214
215func (t *toolchainDarwin) ClangCflags() string {
216	return "${config.DarwinClangCflags}"
217}
218
219func (t *toolchainDarwin) ClangCppflags() string {
220	return ""
221}
222
223func (t *toolchainDarwin) ClangLdflags() string {
224	return "${config.DarwinClangLdflags}"
225}
226
227func (t *toolchainDarwin) ClangLldflags() string {
228	return "${config.DarwinClangLldflags}"
229}
230
231func (t *toolchainDarwin) YasmFlags() string {
232	return "${config.DarwinYasmFlags}"
233}
234
235func (t *toolchainDarwin) ShlibSuffix() string {
236	return ".dylib"
237}
238
239func (t *toolchainDarwin) AvailableLibraries() []string {
240	return darwinAvailableLibraries
241}
242
243func (t *toolchainDarwin) Bionic() bool {
244	return false
245}
246
247func (t *toolchainDarwin) ToolPath() string {
248	return "${config.MacToolPath}"
249}
250
251var toolchainDarwinSingleton Toolchain = &toolchainDarwin{}
252
253func darwinToolchainFactory(arch android.Arch) Toolchain {
254	return toolchainDarwinSingleton
255}
256
257func init() {
258	registerToolchainFactory(android.Darwin, android.X86_64, darwinToolchainFactory)
259}
260