Don't build any native compiler-builtin components for emscripten
rust-lang/rust#36339
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c30dcb0d30
6
build.rs
6
build.rs
@ -50,6 +50,12 @@ fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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let target = env::var("TARGET").unwrap();
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// Emscripten's runtime includes all the builtins
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if target.contains("emscripten") {
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return;
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}
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let Cfg { ref target_arch, ref target_os, ref target_env, ref target_vendor, .. } =
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Cfg::new(&target).unwrap_or_else(|e| {
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writeln!(io::stderr(), "{}", e).ok();
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