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Merge pull request #1742 from rtfeldman/test-linker

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Test linker
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Richard Feldman 2021-10-03 23:26:15 -04:00 • committed by GitHub
commit 696a8273ee
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25 changed files with 187 additions and 259 deletions
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30
compiler/build/src/link.rs
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@ -380,7 +380,7 @@ pub fn rebuild_host(
} else if cargo_host_src.exists() {
// Compile and link Cargo.toml, if it exists
let cargo_dir = host_input_path.parent().unwrap();
let libhost_dir =
let cargo_out_dir =
cargo_dir
.join("target")
.join(if matches!(opt_level, OptLevel::Optimize) {
@ -388,30 +388,30 @@ pub fn rebuild_host(
} else {
"debug"
});
let libhost = libhost_dir.join("libhost.a");
let mut command = Command::new("cargo");
command.arg("build").current_dir(cargo_dir);
if matches!(opt_level, OptLevel::Optimize) {
command.arg("--release");
}
let source_file = if shared_lib_path.is_some() {
command.env("RUSTFLAGS", "-C link-dead-code");
command.args(&["--bin", "host"]);
"src/main.rs"
} else {
command.arg("--lib");
"src/lib.rs"
};
let output = command.output().unwrap();
validate_output("src/lib.rs", "cargo build", output);
validate_output(source_file, "cargo build", output);
// Cargo hosts depend on a c wrapper for the api. Compile host.c as well.
if shared_lib_path.is_some() {
// If compiling to executable, let c deal with linking as well.
let output = build_c_host_native(
&env_path,
&env_home,
host_dest_native.to_str().unwrap(),
&[c_host_src.to_str().unwrap(), libhost.to_str().unwrap()],
opt_level,
shared_lib_path,
);
validate_output("host.c", "clang", output);
// For surgical linking, just copy the dynamically linked rust app.
std::fs::copy(cargo_out_dir.join("host"), host_dest_native).unwrap();
} else {
// Cargo hosts depend on a c wrapper for the api. Compile host.c as well.
let output = build_c_host_native(
&env_path,
&env_home,
@ -428,7 +428,7 @@ pub fn rebuild_host(
.args(&[
"-r",
"-L",
libhost_dir.to_str().unwrap(),
cargo_out_dir.to_str().unwrap(),
c_host_dest.to_str().unwrap(),
"-lhost",
"-o",