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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
// Copyright 2016 Google Inc. 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 config
import (
"strings"
"android/soong/android"
)
var (
// Flags used by lots of devices. Putting them in package static variables
// will save bytes in build.ninja so they aren't repeated for every file
commonGlobalCflags = []string{
"-DANDROID",
"-fmessage-length=0",
"-W",
"-Wall",
"-Wno-unused",
"-Winit-self",
"-Wpointer-arith",
// Make paths in deps files relative
"-no-canonical-prefixes",
"-fno-canonical-system-headers",
"-DNDEBUG",
"-UDEBUG",
"-fno-exceptions",
"-Wno-multichar",
"-O2",
"-g",
"-fno-strict-aliasing",
}
commonGlobalConlyflags = []string{}
deviceGlobalCflags = []string{
"-fdiagnostics-color",
"-ffunction-sections",
"-fdata-sections",
"-fno-short-enums",
"-funwind-tables",
"-fstack-protector-strong",
"-Wa,--noexecstack",
"-D_FORTIFY_SOURCE=2",
"-Wstrict-aliasing=2",
"-Werror=return-type",
"-Werror=non-virtual-dtor",
"-Werror=address",
"-Werror=sequence-point",
"-Werror=date-time",
"-Werror=format-security",
}
deviceGlobalCppflags = []string{
"-fvisibility-inlines-hidden",
}
deviceGlobalLdflags = []string{
"-Wl,-z,noexecstack",
"-Wl,-z,relro",
"-Wl,-z,now",
"-Wl,--build-id=md5",
"-Wl,--warn-shared-textrel",
"-Wl,--fatal-warnings",
"-Wl,--no-undefined-version",
"-Wl,--exclude-libs,libgcc.a",
"-Wl,--exclude-libs,libgcc_stripped.a",
}
deviceGlobalLldflags = append(ClangFilterUnknownLldflags(deviceGlobalLdflags),
[]string{
"-fuse-ld=lld",
}...)
hostGlobalCflags = []string{}
hostGlobalCppflags = []string{}
hostGlobalLdflags = []string{}
hostGlobalLldflags = []string{"-fuse-ld=lld"}
commonGlobalCppflags = []string{
"-Wsign-promo",
}
noOverrideGlobalCflags = []string{
"-Werror=int-to-pointer-cast",
"-Werror=pointer-to-int-cast",
}
IllegalFlags = []string{
"-w",
}
CStdVersion = "gnu99"
CppStdVersion = "gnu++17"
ExperimentalCStdVersion = "gnu11"
ExperimentalCppStdVersion = "gnu++2a"
NdkMaxPrebuiltVersionInt = 27
// prebuilts/clang default settings.
ClangDefaultBase = "prebuilts/clang/host"
ClangDefaultVersion = "clang-r353983c1"
ClangDefaultShortVersion = "9.0.3"
// Directories with warnings from Android.bp files.
WarningAllowedProjects = []string{
"device/",
"vendor/",
}
// Directories with warnings from Android.mk files.
WarningAllowedOldProjects = []string{}
)
var pctx = android.NewPackageContext("android/soong/cc/config")
func init() {
if android.BuildOs == android.Linux {
commonGlobalCflags = append(commonGlobalCflags, "-fdebug-prefix-map=/proc/self/cwd=")
}
pctx.StaticVariable("CommonGlobalConlyflags", strings.Join(commonGlobalConlyflags, " "))
pctx.StaticVariable("DeviceGlobalCppflags", strings.Join(deviceGlobalCppflags, " "))
pctx.StaticVariable("DeviceGlobalLdflags", strings.Join(deviceGlobalLdflags, " "))
pctx.StaticVariable("DeviceGlobalLldflags", strings.Join(deviceGlobalLldflags, " "))
pctx.StaticVariable("HostGlobalCppflags", strings.Join(hostGlobalCppflags, " "))
pctx.StaticVariable("HostGlobalLdflags", strings.Join(hostGlobalLdflags, " "))
pctx.StaticVariable("HostGlobalLldflags", strings.Join(hostGlobalLldflags, " "))
pctx.StaticVariable("CommonClangGlobalCflags",
strings.Join(append(ClangFilterUnknownCflags(commonGlobalCflags), "${ClangExtraCflags}"), " "))
pctx.VariableFunc("DeviceClangGlobalCflags", func(ctx android.PackageVarContext) string {
if ctx.Config().Fuchsia() {
return strings.Join(ClangFilterUnknownCflags(deviceGlobalCflags), " ")
} else {
return strings.Join(append(ClangFilterUnknownCflags(deviceGlobalCflags), "${ClangExtraTargetCflags}"), " ")
}
})
pctx.StaticVariable("HostClangGlobalCflags",
strings.Join(ClangFilterUnknownCflags(hostGlobalCflags), " "))
pctx.StaticVariable("NoOverrideClangGlobalCflags",
strings.Join(append(ClangFilterUnknownCflags(noOverrideGlobalCflags), "${ClangExtraNoOverrideCflags}"), " "))
pctx.StaticVariable("CommonClangGlobalCppflags",
strings.Join(append(ClangFilterUnknownCflags(commonGlobalCppflags), "${ClangExtraCppflags}"), " "))
pctx.StaticVariable("ClangExternalCflags", "${ClangExtraExternalCflags}")
// Everything in these lists is a crime against abstraction and dependency tracking.
// Do not add anything to this list.
pctx.PrefixedExistentPathsForSourcesVariable("CommonGlobalIncludes", "-I",
[]string{
"system/core/include",
"system/media/audio/include",
"hardware/libhardware/include",
"hardware/libhardware_legacy/include",
"hardware/ril/include",
"frameworks/native/include",
"frameworks/native/opengl/include",
"frameworks/av/include",
})
// This is used by non-NDK modules to get jni.h. export_include_dirs doesn't help
// with this, since there is no associated library.
pctx.PrefixedExistentPathsForSourcesVariable("CommonNativehelperInclude", "-I",
[]string{"libnativehelper/include_jni"})
pctx.SourcePathVariable("ClangDefaultBase", ClangDefaultBase)
pctx.VariableFunc("ClangBase", func(ctx android.PackageVarContext) string {
if override := ctx.Config().Getenv("LLVM_PREBUILTS_BASE"); override != "" {
return override
}
return "${ClangDefaultBase}"
})
pctx.VariableFunc("ClangVersion", func(ctx android.PackageVarContext) string {
if override := ctx.Config().Getenv("LLVM_PREBUILTS_VERSION"); override != "" {
return override
}
return ClangDefaultVersion
})
pctx.StaticVariable("ClangPath", "${ClangBase}/${HostPrebuiltTag}/${ClangVersion}")
pctx.StaticVariable("ClangBin", "${ClangPath}/bin")
pctx.StaticVariable("ClangTidyShellPath", "build/soong/scripts/clang-tidy.sh")
pctx.VariableFunc("ClangShortVersion", func(ctx android.PackageVarContext) string {
if override := ctx.Config().Getenv("LLVM_RELEASE_VERSION"); override != "" {
return override
}
return ClangDefaultShortVersion
})
pctx.StaticVariable("ClangAsanLibDir", "${ClangBase}/linux-x86/${ClangVersion}/lib64/clang/${ClangShortVersion}/lib/linux")
// These are tied to the version of LLVM directly in external/llvm, so they might trail the host prebuilts
// being used for the rest of the build process.
pctx.SourcePathVariable("RSClangBase", "prebuilts/clang/host")
pctx.SourcePathVariable("RSClangVersion", "clang-3289846")
pctx.SourcePathVariable("RSReleaseVersion", "3.8")
pctx.StaticVariable("RSLLVMPrebuiltsPath", "${RSClangBase}/${HostPrebuiltTag}/${RSClangVersion}/bin")
pctx.StaticVariable("RSIncludePath", "${RSLLVMPrebuiltsPath}/../lib64/clang/${RSReleaseVersion}/include")
pctx.PrefixedExistentPathsForSourcesVariable("RsGlobalIncludes", "-I",
[]string{
"external/clang/lib/Headers",
"frameworks/rs/script_api/include",
})
pctx.VariableFunc("CcWrapper", func(ctx android.PackageVarContext) string {
if override := ctx.Config().Getenv("CC_WRAPPER"); override != "" {
return override + " "
}
return ""
})
}
var HostPrebuiltTag = pctx.VariableConfigMethod("HostPrebuiltTag", android.Config.PrebuiltOS)
func bionicHeaders(kernelArch string) string {
return strings.Join([]string{
"-isystem bionic/libc/include",
"-isystem bionic/libc/kernel/uapi",
"-isystem bionic/libc/kernel/uapi/asm-" + kernelArch,
"-isystem bionic/libc/kernel/android/scsi",
"-isystem bionic/libc/kernel/android/uapi",
}, " ")
}
|
