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52 lines
1.8 KiB
Rust
52 lines
1.8 KiB
Rust
use super::wasm_base;
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use super::{LinkArgs, LinkerFlavor, PanicStrategy, Target, TargetOptions};
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pub fn target() -> Target {
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let mut options = wasm_base::options();
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let clang_args = options.pre_link_args.entry(LinkerFlavor::Gcc).or_default();
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// Rust really needs a way for users to specify exports and imports in
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// the source code. --export-dynamic isn't the right tool for this job,
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// however it does have the side effect of automatically exporting a lot
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// of symbols, which approximates what people want when compiling for
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// wasm32-unknown-unknown expect, so use it for now.
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clang_args.push("--export-dynamic".to_string());
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let mut post_link_args = LinkArgs::new();
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post_link_args.insert(
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LinkerFlavor::Em,
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vec![
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"-s".to_string(),
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"ERROR_ON_UNDEFINED_SYMBOLS=1".to_string(),
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"-s".to_string(),
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"ASSERTIONS=1".to_string(),
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"-s".to_string(),
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"ABORTING_MALLOC=0".to_string(),
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"-Wl,--fatal-warnings".to_string(),
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],
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);
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let opts = TargetOptions {
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os: "emscripten".to_string(),
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linker_flavor: LinkerFlavor::Em,
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// emcc emits two files - a .js file to instantiate the wasm and supply platform
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// functionality, and a .wasm file.
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exe_suffix: ".js".to_string(),
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linker: None,
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is_like_emscripten: true,
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panic_strategy: PanicStrategy::Unwind,
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post_link_args,
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families: vec!["unix".to_string(), "wasm".to_string()],
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..options
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};
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Target {
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llvm_target: "wasm32-unknown-emscripten".to_string(),
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pointer_width: 32,
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data_layout: "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-f128:64-n32:64-S128-ni:1:10:20"
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.to_string(),
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arch: "wasm32".to_string(),
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options: opts,
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}
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}
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