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Build WASI libc using Zig, instead of using a checked-in binary

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This commit is contained in:
Brian Carroll 2022-05-01 18:07:18 +01:00
parent de7fbc3fb9
commit dd1d49db75
7 changed files with 102 additions and 10 deletions
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16
compiler/build/src/link.rs
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@ -72,16 +72,12 @@ fn find_zig_str_path() -> PathBuf {
}
fn find_wasi_libc_path() -> PathBuf {
let wasi_libc_path = PathBuf::from("compiler/builtins/bitcode/wasi-libc.a");
if std::path::Path::exists(&wasi_libc_path) {
return wasi_libc_path;
}
// when running the tests, we start in the /cli directory
let wasi_libc_path = PathBuf::from("../compiler/builtins/bitcode/wasi-libc.a");
if std::path::Path::exists(&wasi_libc_path) {
return wasi_libc_path;
// Environment variable defined in wasi-libc-sys/build.rs
if let Ok(wasi_libc_path) = std::env::var("WASI_LIBC_SYS_PATH") {
let wasi_libc_pathbuf = PathBuf::from(&wasi_libc_path);
if std::path::Path::exists(&wasi_libc_pathbuf) {
return wasi_libc_pathbuf;
}
}
panic!("cannot find `wasi-libc.a`")

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compiler/builtins/bitcode/wasi-libc.a
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