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Added rerun-if-env-changed to build script

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This commit is contained in:
Sylvester Hesp 2022-11-04 14:49:50 +01:00 committed by Eduard-Mihai Burtescu
parent 4968760328
commit c30a37fe11
1 changed files with 4 additions and 2 deletions
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6
crates/rustc_codegen_spirv/build.rs
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@ -32,8 +32,10 @@ fn get_required_commit_hash() -> Result<String, Box<dyn Error>> {
}
fn check_toolchain_version() -> Result<(), Box<dyn Error>> {
// make sure we rebuild if RUSTGPU_SKIP_TOOLCHAIN_CHECK env var changes
println!("cargo:rerun-if-env-changed=RUSTGPU_SKIP_TOOLCHAIN_CHECK");
// if we're building from local source, check if REQUIRED_RUST_TOOLCHAIN matches ../../rust-toolchain
println!("{}", std::env::current_dir()?.display());
if std::env::current_dir()?.ends_with("crates/rustc_codegen_spirv") {
let current_toolchain = std::fs::read_to_string("../../rust-toolchain")?;
if !current_toolchain.contains(REQUIRED_RUST_TOOLCHAIN) {
@ -46,7 +48,7 @@ fn check_toolchain_version() -> Result<(), Box<dyn Error>> {
}
if !cfg!(feature = "skip-toolchain-check")
&& !std::env::var("RUSTGPU_SKIP_TOOLCHAIN_CHECK").is_ok()
&& std::env::var("RUSTGPU_SKIP_TOOLCHAIN_CHECK").is_err()
{
// check if our current rustc's commit hash matches with what we expect it to be
let current_hash = get_rustc_commit_hash()?;