1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.rules.apple;
import static com.google.devtools.build.lib.packages.Attribute.attr;
import static com.google.devtools.build.lib.packages.BuildType.LABEL;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.packages.Attribute;
import com.google.devtools.build.lib.packages.Attribute.LabelLateBoundDefault;
import com.google.devtools.build.lib.packages.RuleClass;
import com.google.devtools.build.lib.packages.RuleClass.Builder.RuleClassType;
import com.google.devtools.build.lib.skylarkbuildapi.apple.AppleToolchainApi;
import java.io.Serializable;
/**
* Utility class for resolving items for the Apple toolchain (such as common tool flags, and paths).
*/
@Immutable
public class AppleToolchain implements AppleToolchainApi<AppleConfiguration> {
// These next two strings are shared secrets with the xcrunwrapper.sh to allow
// expansion of DeveloperDir and SDKRoot and runtime, since they aren't known
// until compile time on any given build machine.
private static final String DEVELOPER_DIR = "__BAZEL_XCODE_DEVELOPER_DIR__";
private static final String SDKROOT_DIR = "__BAZEL_XCODE_SDKROOT__";
// These two paths are framework paths relative to SDKROOT.
@VisibleForTesting
public static final String DEVELOPER_FRAMEWORK_PATH = "/Developer/Library/Frameworks";
@VisibleForTesting
public static final String SYSTEM_FRAMEWORK_PATH = "/System/Library/Frameworks";
// There is a handy reference to many clang warning flags at
// http://nshipster.com/clang-diagnostics/
// There is also a useful narrative for many Xcode settings at
// http://www.xs-labs.com/en/blog/2011/02/04/xcode-build-settings/
public static final ImmutableMap<String, String> DEFAULT_WARNINGS =
new ImmutableMap.Builder<String, String>()
.put("GCC_WARN_64_TO_32_BIT_CONVERSION", "-Wshorten-64-to-32")
.put("CLANG_WARN_BOOL_CONVERSION", "-Wbool-conversion")
.put("CLANG_WARN_CONSTANT_CONVERSION", "-Wconstant-conversion")
// Double-underscores are intentional - thanks Xcode.
.put("CLANG_WARN__DUPLICATE_METHOD_MATCH", "-Wduplicate-method-match")
.put("CLANG_WARN_EMPTY_BODY", "-Wempty-body")
.put("CLANG_WARN_ENUM_CONVERSION", "-Wenum-conversion")
.put("CLANG_WARN_INT_CONVERSION", "-Wint-conversion")
.put("CLANG_WARN_UNREACHABLE_CODE", "-Wunreachable-code")
.put("GCC_WARN_ABOUT_RETURN_TYPE", "-Wmismatched-return-types")
.put("GCC_WARN_UNDECLARED_SELECTOR", "-Wundeclared-selector")
.put("GCC_WARN_UNINITIALIZED_AUTOS", "-Wuninitialized")
.put("GCC_WARN_UNUSED_FUNCTION", "-Wunused-function")
.put("GCC_WARN_UNUSED_VARIABLE", "-Wunused-variable")
.build();
/** Returns the platform directory inside of Xcode for a platform name. */
public static String platformDir(String platformName) {
return developerDir() + "/Platforms/" + platformName + ".platform";
}
/**
* Returns the platform directory inside of Xcode for a given configuration.
*/
public static String sdkDir() {
return SDKROOT_DIR;
}
/**
* Returns the Developer directory inside of Xcode for a given configuration.
*/
public static String developerDir() {
return DEVELOPER_DIR;
}
/**
* Returns the platform frameworks directory inside of Xcode for a given configuration.
*/
public static String platformDeveloperFrameworkDir(AppleConfiguration configuration) {
return platformDeveloperFrameworkDir(configuration.getSingleArchPlatform());
}
/**
* Returns the platform frameworks directory inside of Xcode for a given {@link ApplePlatform}.
*/
public static String platformDeveloperFrameworkDir(ApplePlatform platform) {
String platformDir = platformDir(platform.getNameInPlist());
return platformDir + "/Developer/Library/Frameworks";
}
/** Returns the SDK frameworks directory inside of Xcode for a given configuration. */
public static String sdkFrameworkDir(
ApplePlatform targetPlatform, RuleContext ruleContext) {
String relativePath;
switch (targetPlatform) {
case IOS_DEVICE:
case IOS_SIMULATOR:
if (XcodeConfig.getSdkVersionForPlatform(ruleContext, targetPlatform)
.compareTo(DottedVersion.fromString("9.0")) >= 0) {
relativePath = SYSTEM_FRAMEWORK_PATH;
} else {
relativePath = DEVELOPER_FRAMEWORK_PATH;
}
break;
case MACOS:
case WATCHOS_DEVICE:
case WATCHOS_SIMULATOR:
case TVOS_DEVICE:
case TVOS_SIMULATOR:
relativePath = SYSTEM_FRAMEWORK_PATH;
break;
default:
throw new IllegalArgumentException("Unhandled platform " + targetPlatform);
}
return sdkDir() + relativePath;
}
/** The default label of the build-wide {@code xcode_config} configuration rule. */
public static LabelLateBoundDefault<AppleConfiguration> getXcodeConfigLabel(
String toolsRepository) {
return LabelLateBoundDefault.fromTargetConfiguration(
AppleConfiguration.class,
Label.parseAbsoluteUnchecked(
toolsRepository + AppleCommandLineOptions.DEFAULT_XCODE_VERSION_CONFIG_LABEL),
(Attribute.LateBoundDefault.Resolver<AppleConfiguration, Label> & Serializable)
(rule, attributes, appleConfig) -> appleConfig.getXcodeConfigLabel());
}
/**
* Returns the platform directory inside of Xcode for a given configuration.
*/
@Override
public String sdkDirConstant() {
return sdkDir();
}
/**
* Returns the Developer directory inside of Xcode for a given configuration.
*/
@Override
public String developerDirConstant() {
return developerDir();
}
/**
* Returns the platform frameworks directory inside of Xcode for a given configuration.
*/
@Override
public String platformFrameworkDirFromConfig(AppleConfiguration configuration) {
return platformDeveloperFrameworkDir(configuration);
}
/**
* Base rule definition to be ancestor for rules which may require an xcode toolchain.
*/
public static class RequiresXcodeConfigRule implements RuleDefinition {
private final String toolsRepository;
public RequiresXcodeConfigRule(String toolsRepository) {
this.toolsRepository = toolsRepository;
}
@Override
public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment env) {
return builder
.add(
attr(XcodeConfigRule.XCODE_CONFIG_ATTR_NAME, LABEL)
.allowedRuleClasses("xcode_config")
.checkConstraints()
.direct_compile_time_input()
.value(getXcodeConfigLabel(toolsRepository)))
.build();
}
@Override
public Metadata getMetadata() {
return RuleDefinition.Metadata.builder()
.name("$requires_xcode_config")
.type(RuleClassType.ABSTRACT)
.build();
}
}
}
|
