Compile to WASM using Emscripten #31

2020-09-21T18:03:04Z

rafaelcaricio commented

2020-09-21 18:03:04 +00:00

(Migrated from github.com)

This makes it possible to compile lvgl-rs to WASM using the target wasm32-unknown-emscripten.

This makes it possible to compile `lvgl-rs` to WASM using the target `wasm32-unknown-emscripten`.

rafaelcaricio (Migrated from github.com) reviewed 2020-09-22 08:32:41 +00:00

lvgl-sys/build.rs

					
				@ -73,0 +88,4 @@

				            additional_args.push(format!("{}/upstream/emscripten/system/lib/libc/musl/arch/emscripten", em_path));

				            additional_args.push("-I".to_string());

				            additional_args.push(format!("{}/upstream/emscripten/system/include/SDL", em_path));

				        }

rafaelcaricio (Migrated from github.com) commented

2020-09-22 08:32:41 +00:00

This won't work on Windows...

rafaelcaricio (Migrated from github.com) reviewed 2020-09-22 08:33:54 +00:00

lvgl-sys/build.rs

					
				@ -73,0 +82,4 @@

				    let mut additional_args = Vec::new();

				    if target.ends_with("emscripten") {

				        if let Ok(em_path) = env::var("EMSDK") {

				            additional_args.push("-I".to_string());

rafaelcaricio (Migrated from github.com) commented

2020-09-22 08:33:53 +00:00

If it's not present we could show an error, tell users that they are missing to activate the Emscripten environment.

# Activate PATH and other environment variables in the current terminal
source ./emsdk_env.sh

If it's not present we could show an error, tell users that they are missing to activate the Emscripten environment. ``` # Activate PATH and other environment variables in the current terminal source ./emsdk_env.sh ```

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