diff --git a/src/librustc_target/spec/wasm32_base.rs b/src/librustc_target/spec/wasm32_base.rs index c7e75b4fa09..edaf902c130 100644 --- a/src/librustc_target/spec/wasm32_base.rs +++ b/src/librustc_target/spec/wasm32_base.rs @@ -118,6 +118,15 @@ pub fn options() -> TargetOptions { pre_link_args, + // This has no effect in LLVM 8 or prior, but in LLVM 9 and later when + // PIC code is implemented this has quite a drastric effect if it stays + // at the default, `pic`. In an effort to keep wasm binaries as minimal + // as possible we're defaulting to `static` for now, but the hope is + // that eventually we can ship a `pic`-compatible standard library which + // works with `static` as well (or works with some method of generating + // non-relative calls and such later on). + relocation_model: "static".to_string(), + .. Default::default() } }