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Package non-rust objects

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This commit is contained in:
Jethro Beekman 2019-10-12 16:01:59 +02:00 committed by Mark Rousskov
parent 4c906dc84e
commit 7ccf492ae6
3 changed files with 46 additions and 22 deletions
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4
src/bootstrap/check.rs
View file

@ -55,6 +55,7 @@ impl Step for Std {
cargo,
args(builder.kind),
&libstd_stamp(builder, compiler, target),
vec![],
true);
let libdir = builder.sysroot_libdir(compiler, target);
@ -103,6 +104,7 @@ impl Step for Rustc {
cargo,
args(builder.kind),
&librustc_stamp(builder, compiler, target),
vec![],
true);
let libdir = builder.sysroot_libdir(compiler, target);
@ -155,6 +157,7 @@ impl Step for CodegenBackend {
cargo,
args(builder.kind),
&codegen_backend_stamp(builder, compiler, target, backend),
vec![],
true);
}
}
@ -199,6 +202,7 @@ impl Step for Rustdoc {
cargo,
args(builder.kind),
&rustdoc_stamp(builder, compiler, target),
vec![],
true);
let libdir = builder.sysroot_libdir(compiler, target);

63
src/bootstrap/compile.rs
View file

@ -69,7 +69,7 @@ impl Step for Std {
return;
}
builder.ensure(StartupObjects { compiler, target });
let mut target_deps = builder.ensure(StartupObjects { compiler, target });
let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
if compiler_to_use != compiler {
@ -91,7 +91,7 @@ impl Step for Std {
return;
}
copy_third_party_objects(builder, &compiler, target);
target_deps.extend(copy_third_party_objects(builder, &compiler, target).into_iter());
let mut cargo = builder.cargo(compiler, Mode::Std, target, "build");
std_cargo(builder, &compiler, target, &mut cargo);
@ -102,6 +102,7 @@ impl Step for Std {
cargo,
vec![],
&libstd_stamp(builder, compiler, target),
target_deps,
false);
builder.ensure(StdLink {
@ -113,9 +114,22 @@ impl Step for Std {
}
/// Copies third pary objects needed by various targets.
fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target: Interned<String>) {
fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target: Interned<String>)
-> Vec<PathBuf>
{
let libdir = builder.sysroot_libdir(*compiler, target);
let mut target_deps = vec![];
let mut copy_and_stamp = |sourcedir: &Path, name: &str| {
let target = libdir.join(name);
builder.copy(
&sourcedir.join(name),
&target,
);
target_deps.push(target);
};
// Copies the crt(1,i,n).o startup objects
//
// Since musl supports fully static linking, we can cross link for it even
@ -123,19 +137,13 @@ fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target:
// files. As those shipped with glibc won't work, copy the ones provided by
// musl so we have them on linux-gnu hosts.
if target.contains("musl") {
let srcdir = builder.musl_root(target).unwrap().join("lib");
for &obj in &["crt1.o", "crti.o", "crtn.o"] {
builder.copy(
&builder.musl_root(target).unwrap().join("lib").join(obj),
&libdir.join(obj),
);
copy_and_stamp(&srcdir, obj);
}
} else if target.ends_with("-wasi") {
for &obj in &["crt1.o"] {
builder.copy(
&builder.wasi_root(target).unwrap().join("lib/wasm32-wasi").join(obj),
&libdir.join(obj),
);
}
let srcdir = builder.wasi_root(target).unwrap().join("lib/wasm32-wasi");
copy_and_stamp(&srcdir, "crt1.o");
}
// Copies libunwind.a compiled to be linked wit x86_64-fortanix-unknown-sgx.
@ -145,11 +153,11 @@ fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target:
// which is provided by std for this target.
if target == "x86_64-fortanix-unknown-sgx" {
let src_path_env = "X86_FORTANIX_SGX_LIBS";
let obj = "libunwind.a";
let src = env::var(src_path_env).expect(&format!("{} not found in env", src_path_env));
let src = Path::new(&src).join(obj);
builder.copy(&src, &libdir.join(obj));
copy_and_stamp(Path::new(&src), "libunwind.a");
}
target_deps
}
/// Configure cargo to compile the standard library, adding appropriate env vars
@ -307,7 +315,7 @@ pub struct StartupObjects {
}
impl Step for StartupObjects {
type Output = ();
type Output = Vec<PathBuf>;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path("src/rtstartup")
@ -326,13 +334,15 @@ impl Step for StartupObjects {
/// They don't require any library support as they're just plain old object
/// files, so we just use the nightly snapshot compiler to always build them (as
/// no other compilers are guaranteed to be available).
fn run(self, builder: &Builder<'_>) {
fn run(self, builder: &Builder<'_>) -> Vec<PathBuf> {
let for_compiler = self.compiler;
let target = self.target;
if !target.contains("windows-gnu") {
return
return vec![]
}
let mut target_deps = vec![];
let src_dir = &builder.src.join("src/rtstartup");
let dst_dir = &builder.native_dir(target).join("rtstartup");
let sysroot_dir = &builder.sysroot_libdir(for_compiler, target);
@ -351,7 +361,9 @@ impl Step for StartupObjects {
.arg(src_file));
}
builder.copy(dst_file, &sysroot_dir.join(file.to_string() + ".o"));
let target = sysroot_dir.join(file.to_string() + ".o");
builder.copy(dst_file, &target);
target_deps.push(target);
}
for obj in ["crt2.o", "dllcrt2.o"].iter() {
@ -359,8 +371,12 @@ impl Step for StartupObjects {
builder.cc(target),
target,
obj);
builder.copy(&src, &sysroot_dir.join(obj));
let target = sysroot_dir.join(obj);
builder.copy(&src, &target);
target_deps.push(target);
}
target_deps
}
}
@ -438,6 +454,7 @@ impl Step for Rustc {
cargo,
vec![],
&librustc_stamp(builder, compiler, target),
vec![],
false);
builder.ensure(RustcLink {
@ -586,7 +603,7 @@ impl Step for CodegenBackend {
let tmp_stamp = out_dir.join(".tmp.stamp");
let files = run_cargo(builder, cargo, vec![], &tmp_stamp, false);
let files = run_cargo(builder, cargo, vec![], &tmp_stamp, vec![], false);
if builder.config.dry_run {
return;
}
@ -954,6 +971,7 @@ pub fn run_cargo(builder: &Builder<'_>,
cargo: Cargo,
tail_args: Vec<String>,
stamp: &Path,
additional_target_deps: Vec<PathBuf>,
is_check: bool)
-> Vec<PathBuf>
{
@ -1070,6 +1088,7 @@ pub fn run_cargo(builder: &Builder<'_>,
deps.push((path_to_add.into(), false));
}
deps.extend(additional_target_deps.into_iter().map(|d| (d, false)));
deps.sort();
let mut new_contents = Vec::new();
for (dep, proc_macro) in deps.iter() {

1
src/bootstrap/lib.rs
View file

@ -1144,6 +1144,7 @@ impl Build {
pub fn copy(&self, src: &Path, dst: &Path) {
if self.config.dry_run { return; }
self.verbose_than(1, &format!("Copy {:?} to {:?}", src, dst));
if src == dst { return; }
let _ = fs::remove_file(&dst);
let metadata = t!(src.symlink_metadata());
if metadata.file_type().is_symlink() {