From ec27aa97b921957711b96e578c7c197ff28553ac Mon Sep 17 00:00:00 2001 From: Christopher Serr Date: Fri, 14 Apr 2017 19:17:03 +0200 Subject: [PATCH] Compile WASM as WASM instead of asm.js Looks like the LinkerFlavor change introduced in #40018 accidentally uses GCC for the WebAssembly target, causing Rust to never actually pass the post link args to emscripten. This then causes the code to be compiled as asm.js instead of WebAssembly, because the Binaryen tools never run due to the missing linker argument. --- src/librustc_back/target/wasm32_unknown_emscripten.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/librustc_back/target/wasm32_unknown_emscripten.rs b/src/librustc_back/target/wasm32_unknown_emscripten.rs index a51f59d6ff192..f5fb63038e917 100644 --- a/src/librustc_back/target/wasm32_unknown_emscripten.rs +++ b/src/librustc_back/target/wasm32_unknown_emscripten.rs @@ -14,7 +14,7 @@ use super::emscripten_base::{cmd}; pub fn target() -> Result { let mut post_link_args = LinkArgs::new(); - post_link_args.insert(LinkerFlavor::Gcc, + post_link_args.insert(LinkerFlavor::Em, vec!["-s".to_string(), "BINARYEN=1".to_string(), "-s".to_string(),