-
-
Notifications
You must be signed in to change notification settings - Fork 5
/
build.rs
256 lines (246 loc) 路 8.34 KB
/
build.rs
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
248
249
250
251
252
253
254
255
256
use std::{
env::{var, vars},
fs::File,
path::{Path, PathBuf},
process::Command,
};
use jwalk::WalkDir;
use tar::Archive;
use which::which;
const TARGETS_ENV: &str = "WRAPPE_TARGETS";
const FILES_ENV: &str = "WRAPPE_FILES";
const USE_CROSS_ENV: &str = "WRAPPE_USE_CROSS";
const STARTER_NAME: &str = "startpe";
fn get_runner_targets() -> Vec<String> {
let rustc = var("RUSTC").unwrap();
let native_target = var("TARGET").unwrap();
let mut active_targets = Vec::from([native_target]);
let requested_targets = var(TARGETS_ENV);
if let Ok(requested_targets) = requested_targets {
let mut requested_targets = requested_targets.split(';').collect::<Vec<&str>>();
requested_targets.sort_unstable();
requested_targets.dedup();
let available_targets = Command::new(rustc)
.arg("--print")
.arg("target-list")
.output()
.expect("couldn't get available build target triples");
let available_targets = String::from_utf8(available_targets.stdout)
.expect("couldn't get available build target triples, output invalid");
let available_targets = available_targets.lines().collect::<Vec<&str>>();
for target in requested_targets {
if active_targets.contains(&target.to_string()) {
continue;
}
if !available_targets.contains(&target) {
let matches = available_targets
.iter()
.filter(|t| t.contains(target))
.collect::<Vec<_>>();
if matches.len() == 1 {
active_targets.push(matches[0].to_string());
} else {
panic!(
"couldn't build for target {}, target does not exist",
&target
);
}
} else {
active_targets.push(target.to_string());
}
}
}
active_targets
}
fn compile_runner(starter_dir: &Path, target: &str, out_dir: &str) -> bool {
eprintln!("compiling runner for target {}", &target);
let profile = var("PROFILE").unwrap();
let native_target = var("TARGET").unwrap();
let cargo = PathBuf::from(var("CARGO").unwrap()).canonicalize().unwrap();
let use_cross = var(USE_CROSS_ENV) == Ok("true".into()) || var(USE_CROSS_ENV) == Ok("1".into());
let mut command = if target == native_target || !use_cross {
Command::new(cargo)
} else {
Command::new(which("cross").unwrap_or(cargo))
};
if let Some(hash) = get_git_hash() {
command.env("GIT_HASH", hash);
}
for (env, _) in vars() {
if env.starts_with("CARGO") {
command.env_remove(&env);
}
if env.starts_with("RUSTC") {
command.env_remove(&env);
}
}
command.env_remove("HOST");
if target != native_target {
command.env_remove("CC");
command.env_remove("CXX");
command.env_remove("AR");
}
for set in &["CC", "CXX", "AR"] {
if let Ok(var) = var(&format!("WRAPPE_TARGET_{}_{}", set, target)) {
command.env(set, var);
}
}
let mut rustflags = None;
if target == native_target {
if let Ok(var) = var("RUSTFLAGS") {
rustflags = Some(var);
}
}
if let Ok(var) = var(format!("WRAPPE_TARGET_RUSTFLAGS_{}", target)) {
rustflags = Some(var);
}
if let Some(mut rustflags) = rustflags {
if !rustflags.contains("-Ctarget-feature") && !rustflags.contains("-C target-feature") {
rustflags = format!("{} -Ctarget-feature=+crt-static", rustflags);
}
command.env("RUSTFLAGS", rustflags);
} else {
command.env("RUSTFLAGS", "-Ctarget-feature=+crt-static");
}
command
.current_dir(starter_dir)
.arg("build")
.arg("--target")
.arg(target)
.arg("--target-dir")
.arg(out_dir);
if profile == "release" {
command.arg("--release");
}
eprintln!("running {:?}", command);
let status = command
.status()
.unwrap_or_else(|e| panic!("couldn't compile runner for target {}: {}", &target, e));
if status.success() {
if let Ok(var) = var(format!("WRAPPE_TARGET_STRIP_{}", target)) {
strip_runner(target, out_dir, &profile, &var);
}
}
status.success()
}
fn strip_runner(target: &str, out_dir: &str, profile: &str, strip: &str) -> Option<()> {
eprintln!("stripping runner for target {} with {}", target, strip);
let (strip, args) = strip.split_once(' ').unwrap_or((strip, ""));
let strip = which(strip.trim())
.map_err(|e| {
eprintln!("couldn't find strip for target {}: {}", target, e);
})
.ok()?;
let args = args
.split(' ')
.map(|arg| arg.trim())
.filter(|arg| !arg.is_empty());
let mut command = Command::new(strip);
command.args(args).arg(format!(
"{}/{}/{}/{}{}",
out_dir,
target,
profile,
STARTER_NAME,
if target.contains("windows") {
".exe"
} else {
""
}
));
let status = command
.status()
.map_err(|e| eprintln!("couldn't strip runner for target {}: {}", target, e))
.ok()?;
status.success().then_some(())
}
fn get_git_hash() -> Option<String> {
if !Path::new(".git").is_dir() {
return None;
}
which("git").ok().and_then(|git| {
Command::new(git)
.args(["rev-parse", "--short", "HEAD"])
.output()
.ok()
.and_then(|output| {
String::from_utf8(output.stdout)
.map(|output| output.trim().into())
.ok()
})
})
}
fn unpack_starter(target: &str) -> PathBuf {
if PathBuf::from(STARTER_NAME).is_dir() {
return PathBuf::from(STARTER_NAME);
}
eprintln!("unpacking starter {}.tar", STARTER_NAME);
let tar_path = PathBuf::from(STARTER_NAME).with_extension("tar");
if !tar_path.is_file() {
panic!("couldn't find {}.tar", STARTER_NAME);
}
let tar = File::open(tar_path)
.unwrap_or_else(|err| panic!("couldn't open {}.tar: {}", STARTER_NAME, err));
let mut archive = Archive::new(tar);
let target_dir = PathBuf::from(target).join(STARTER_NAME);
archive
.unpack(&target_dir)
.unwrap_or_else(|err| panic!("couldn't unpack {}.tar: {}", STARTER_NAME, err));
target_dir
}
fn main() {
println!("cargo:rerun-if-env-changed=OUT_DIR");
println!("cargo:rerun-if-env-changed=PROFILE");
println!("cargo:rerun-if-env-changed=TARGET");
println!("cargo:rerun-if-env-changed={}", TARGETS_ENV);
println!("cargo:rerun-if-changed=build.rs");
if let Some(hash) = get_git_hash() {
println!("cargo:rustc-env=GIT_HASH={}", hash);
println!(
"cargo:rustc-env=CARGO_PKG_VERSION={} ({})",
var("CARGO_PKG_VERSION").unwrap(),
hash
);
}
println!("cargo:rerun-if-changed=.git/HEAD");
let out_dir = var("OUT_DIR").unwrap();
let starter_dir = unpack_starter(&out_dir);
for entry in WalkDir::new(&starter_dir)
.into_iter()
.filter_map(|e| e.ok())
{
println!("cargo:rerun-if-changed={}", entry.path().display());
}
if let Ok(macosx_target) = var("MACOSX_DEPLOYMENT_TARGET") {
println!("cargo:rustc-env=MACOSX_DEPLOYMENT_TARGET={}", macosx_target);
}
let active_targets = get_runner_targets();
for target in &active_targets {
let status = compile_runner(&starter_dir, target, &out_dir);
if !status {
panic!("couldn't build for target {}, build failed", target);
}
}
let profile = var("PROFILE").unwrap();
let files = active_targets
.iter()
.map(|target| {
format!(
"{}/{}/{}/{}{}",
out_dir,
target,
profile,
STARTER_NAME,
if target.contains("windows") {
".exe"
} else {
""
}
)
})
.collect::<Vec<_>>()
.join(";");
let targets = active_targets.join(";");
println!("cargo:rustc-env={}={}", TARGETS_ENV, targets);
println!("cargo:rustc-env={}={}", FILES_ENV, files);
}