// We're gonna build some custom C code here and there, host triples
// also build some C++ shims for LLVM so we need a C++ compiler.
for target in build.config.target.iter() {
+ // On emscripten we don't actually need the C compiler to just
+ // build the target artifacts, only for testing. For the sake
+ // of easier bot configuration, just skip detection.
+ if target.contains("emscripten") {
+ continue;
+ }
+
need_cmd(build.cc(target).as_ref());
if let Some(ar) = build.ar(target) {
need_cmd(ar.as_ref());
fn main() {
let target = env::var("TARGET").expect("TARGET was not set");
+
+ // Emscripten's runtime includes all the builtins
+ if target.contains("emscripten") {
+ return;
+ }
+
let cfg = &mut gcc::Config::new();
if target.contains("msvc") {