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Make sure to always run wasm-builder for the HOST architecture (#5199)

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Bastian Köcher
2020-03-10 10:44:56 +01:00
committed by GitHub
parent cfd6824e57
commit d2c51e3c59
1 changed files with 4 additions and 0 deletions
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substrate/utils/wasm-builder-runner/src/lib.rs
+4
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@@ -428,6 +428,10 @@ fn run_project(project_folder: &Path) {
cmd.arg("--release");
}
// Make sure we always run the `wasm-builder` project for the `HOST` architecture.
let host_triple = env::var("HOST").expect("`HOST` is always set when executing `build.rs`.");
cmd.arg(&format!("--target={}", host_triple));
// Unset the `CARGO_TARGET_DIR` to prevent a cargo deadlock (cargo locks a target dir exclusive).
// The runner project is created in `CARGO_TARGET_DIR` and executing it will create a sub target
// directory inside of `CARGO_TARGET_DIR`.