Fix compilation on wasm32-wasi.

.github/workflows/main.yml

@@ -69,7 +69,7 @@ jobs:
     - run: >
         rustup target add
         wasm32-wasi
-    - run: cargo check --workspace --release -vv --target=wasm32-wasi
+    - run: cargo check --workspace --release -vv --target=wasm32-wasi --all-targets
 
   test:
     name: Test

Cargo.toml

@@ -18,7 +18,7 @@ include = ["src", "build.rs", "Cargo.toml", "COPYRIGHT", "LICENSE*", "/*.md"]
 io-lifetimes = "1.0.0"
 
 [target.'cfg(not(any(windows, target_os = "hermit", target_os = "unknown")))'.dependencies]
-rustix = { version = "0.36.0", features = ["termios"] }
+rustix = { version = "0.36.4", features = ["termios"] }
 
 [target.'cfg(target_os = "hermit")'.dependencies]
 hermit-abi = "0.2.0"
@@ -33,5 +33,5 @@ features = [
 [dev-dependencies]
 atty = "0.2.14"
 
-[target.'cfg(unix)'.dev-dependencies]
+[target.'cfg(any(unix, target_os = "wasi"))'.dev-dependencies]
 libc = "0.2.110"

src/lib.rs

@@ -256,6 +256,7 @@ impl IsTerminal for std::process::ChildStderr {
 
 #[cfg(test)]
 mod tests {
+    #[cfg(not(target_os = "unknown"))]
     use super::IsTerminal;
 
     #[test]
@@ -286,7 +287,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(unix)]
+    #[cfg(any(unix, target_os = "wasi"))]
     fn stdin() {
         unsafe {
             assert_eq!(
@@ -297,7 +298,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(unix)]
+    #[cfg(any(unix, target_os = "wasi"))]
     fn stdout() {
         unsafe {
             assert_eq!(
@@ -308,7 +309,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(unix)]
+    #[cfg(any(unix, target_os = "wasi"))]
     fn stderr() {
         unsafe {
             assert_eq!(
@@ -319,7 +320,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(unix)]
+    #[cfg(any(unix, target_os = "wasi"))]
     fn stdin_vs_libc() {
         unsafe {
             assert_eq!(
@@ -330,7 +331,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(unix)]
+    #[cfg(any(unix, target_os = "wasi"))]
     fn stdout_vs_libc() {
         unsafe {
             assert_eq!(
@@ -341,7 +342,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(unix)]
+    #[cfg(any(unix, target_os = "wasi"))]
     fn stderr_vs_libc() {
         unsafe {
             assert_eq!(