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
|
// Copyright 2019 The Android Open Source Project
//
// 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 (
LinuxRustFlags = []string{}
LinuxMuslRustFlags = []string{
// disable rustc's builtin fallbacks for crt objects
"-C link_self_contained=no",
// force rustc to use a dynamic musl libc
"-C target-feature=-crt-static",
"-Z link-native-libraries=no",
}
LinuxRustLinkFlags = []string{
"-B${cc_config.ClangBin}",
"-fuse-ld=lld",
"-Wl,--undefined-version",
}
LinuxRustGlibcLinkFlags = []string{
"--sysroot ${cc_config.LinuxGccRoot}/sysroot",
}
LinuxRustMuslLinkFlags = []string{
"--sysroot /dev/null",
"-nodefaultlibs",
"-nostdlib",
"-Wl,--no-dynamic-linker",
}
linuxX86Rustflags = []string{}
linuxX86Linkflags = []string{}
linuxX8664Rustflags = []string{}
linuxX8664Linkflags = []string{}
)
func init() {
registerToolchainFactory(android.Linux, android.X86_64, linuxGlibcX8664ToolchainFactory)
registerToolchainFactory(android.Linux, android.X86, linuxGlibcX86ToolchainFactory)
registerToolchainFactory(android.LinuxMusl, android.X86_64, linuxMuslX8664ToolchainFactory)
registerToolchainFactory(android.LinuxMusl, android.X86, linuxMuslX86ToolchainFactory)
pctx.StaticVariable("LinuxToolchainRustFlags", strings.Join(LinuxRustFlags, " "))
pctx.StaticVariable("LinuxMuslToolchainRustFlags", strings.Join(LinuxMuslRustFlags, " "))
pctx.StaticVariable("LinuxToolchainLinkFlags", strings.Join(LinuxRustLinkFlags, " "))
pctx.StaticVariable("LinuxGlibcToolchainLinkFlags", strings.Join(LinuxRustGlibcLinkFlags, " "))
pctx.StaticVariable("LinuxMuslToolchainLinkFlags", strings.Join(LinuxRustMuslLinkFlags, " "))
pctx.StaticVariable("LinuxToolchainX86RustFlags", strings.Join(linuxX86Rustflags, " "))
pctx.StaticVariable("LinuxToolchainX86LinkFlags", strings.Join(linuxX86Linkflags, " "))
pctx.StaticVariable("LinuxToolchainX8664RustFlags", strings.Join(linuxX8664Rustflags, " "))
pctx.StaticVariable("LinuxToolchainX8664LinkFlags", strings.Join(linuxX8664Linkflags, " "))
}
// Base 64-bit linux rust toolchain
type toolchainLinuxX8664 struct {
toolchain64Bit
}
func (toolchainLinuxX8664) Supported() bool {
return true
}
func (toolchainLinuxX8664) Bionic() bool {
return false
}
func (t *toolchainLinuxX8664) Name() string {
return "x86_64"
}
func (t *toolchainLinuxX8664) ToolchainLinkFlags() string {
// Prepend the lld flags from cc_config so we stay in sync with cc
return "${cc_config.LinuxLldflags} ${cc_config.LinuxX8664Lldflags} " +
"${config.LinuxToolchainLinkFlags} ${config.LinuxToolchainX8664LinkFlags}"
}
func (t *toolchainLinuxX8664) ToolchainRustFlags() string {
return "${config.LinuxToolchainRustFlags} ${config.LinuxToolchainX8664RustFlags}"
}
// Specialization of the 64-bit linux rust toolchain for glibc. Adds the gnu rust triple and
// sysroot linker flags.
type toolchainLinuxGlibcX8664 struct {
toolchainLinuxX8664
}
func (t *toolchainLinuxX8664) RustTriple() string {
return "x86_64-unknown-linux-gnu"
}
func (t *toolchainLinuxGlibcX8664) ToolchainLinkFlags() string {
return t.toolchainLinuxX8664.ToolchainLinkFlags() + " " + "${config.LinuxGlibcToolchainLinkFlags}"
}
func linuxGlibcX8664ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxGlibcX8664Singleton
}
// Specialization of the 64-bit linux rust toolchain for musl. Adds the musl rust triple and
// linker flags to avoid using the host sysroot.
type toolchainLinuxMuslX8664 struct {
toolchainLinuxX8664
}
func (t *toolchainLinuxMuslX8664) RustTriple() string {
return "x86_64-unknown-linux-musl"
}
func (t *toolchainLinuxMuslX8664) ToolchainLinkFlags() string {
return t.toolchainLinuxX8664.ToolchainLinkFlags() + " " + "${config.LinuxMuslToolchainLinkFlags}"
}
func (t *toolchainLinuxMuslX8664) ToolchainRustFlags() string {
return t.toolchainLinuxX8664.ToolchainRustFlags() + " " + "${config.LinuxMuslToolchainRustFlags}"
}
func linuxMuslX8664ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxMuslX8664Singleton
}
// Base 32-bit linux rust toolchain
type toolchainLinuxX86 struct {
toolchain32Bit
}
func (toolchainLinuxX86) Supported() bool {
return true
}
func (toolchainLinuxX86) Bionic() bool {
return false
}
func (t *toolchainLinuxX86) Name() string {
return "x86"
}
func (toolchainLinuxX86) LibclangRuntimeLibraryArch() string {
return "i386"
}
func (toolchainLinuxX8664) LibclangRuntimeLibraryArch() string {
return "x86_64"
}
func (t *toolchainLinuxX86) ToolchainLinkFlags() string {
// Prepend the lld flags from cc_config so we stay in sync with cc
return "${cc_config.LinuxLldflags} ${cc_config.LinuxX86Lldflags} " +
"${config.LinuxToolchainLinkFlags} ${config.LinuxToolchainX86LinkFlags}"
}
func (t *toolchainLinuxX86) ToolchainRustFlags() string {
return "${config.LinuxToolchainRustFlags} ${config.LinuxToolchainX86RustFlags}"
}
// Specialization of the 32-bit linux rust toolchain for glibc. Adds the gnu rust triple and
// sysroot linker flags.
type toolchainLinuxGlibcX86 struct {
toolchainLinuxX86
}
func (t *toolchainLinuxGlibcX86) RustTriple() string {
return "i686-unknown-linux-gnu"
}
func (t *toolchainLinuxGlibcX86) ToolchainLinkFlags() string {
return t.toolchainLinuxX86.ToolchainLinkFlags() + " " + "${config.LinuxGlibcToolchainLinkFlags}"
}
func linuxGlibcX86ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxGlibcX86Singleton
}
// Specialization of the 32-bit linux rust toolchain for musl. Adds the musl rust triple and
// linker flags to avoid using the host sysroot.
type toolchainLinuxMuslX86 struct {
toolchainLinuxX86
}
func (t *toolchainLinuxMuslX86) RustTriple() string {
return "i686-unknown-linux-musl"
}
func (t *toolchainLinuxMuslX86) ToolchainLinkFlags() string {
return t.toolchainLinuxX86.ToolchainLinkFlags() + " " + "${config.LinuxMuslToolchainLinkFlags}"
}
func (t *toolchainLinuxMuslX86) ToolchainRustFlags() string {
return t.toolchainLinuxX86.ToolchainRustFlags() + " " + "${config.LinuxMuslToolchainRustFlags}"
}
func linuxMuslX86ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxMuslX86Singleton
}
var toolchainLinuxGlibcX8664Singleton Toolchain = &toolchainLinuxGlibcX8664{}
var toolchainLinuxGlibcX86Singleton Toolchain = &toolchainLinuxGlibcX86{}
var toolchainLinuxMuslX8664Singleton Toolchain = &toolchainLinuxMuslX8664{}
var toolchainLinuxMuslX86Singleton Toolchain = &toolchainLinuxMuslX86{}
|