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Support compiling cargo hosts

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This commit is contained in:
Richard Feldman 2020-10-05 22:51:08 -04:00
parent f8a78846b1
commit 58e190c466
1 changed files with 26 additions and 1 deletions
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27
compiler/build/src/link.rs
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@ -34,6 +34,7 @@ fn rebuild_host(host_input_path: &Path) {
let c_host_dest = host_input_path.with_file_name("c_host.o");
let rust_host_src = host_input_path.with_file_name("host.rs");
let rust_host_dest = host_input_path.with_file_name("rust_host.o");
let cargo_host_src = host_input_path.with_file_name("Cargo.toml");
let host_dest = host_input_path.with_file_name("host.o");
// Compile host.c
@ -48,7 +49,31 @@ fn rebuild_host(host_input_path: &Path) {
.output()
.unwrap();
if rust_host_src.exists() {
if cargo_host_src.exists() {
// Compile and link Cargo.toml, if it exists
let cargo_dir = host_input_path.parent().unwrap();
let libhost_dir = cargo_dir.join("target").join("release");
Command::new("cargo")
.args(&["build", "--release"])
.current_dir(cargo_dir)
.output()
.unwrap();
Command::new("ld")
.env_clear()
.args(&[
"-r",
"-L",
libhost_dir.to_str().unwrap(),
c_host_dest.to_str().unwrap(),
"-lhost",
"-o",
host_dest.to_str().unwrap(),
])
.output()
.unwrap();
} else if rust_host_src.exists() {
// Compile and link host.rs, if it exists
Command::new("rustc")
.args(&[