linux: Exclude target_env = "ohos" from desktop Linux crates

crates/nsh-linux-app/Cargo.toml

@@ -24,6 +24,6 @@ webview = ["nsh-platform-linux/webview"]
 [dependencies]
 log.workspace = true
 
-[target.'cfg(target_os = "linux")'.dependencies]
+[target.'cfg(all(target_os = "linux", not(target_env = "ohos")))'.dependencies]
 nsh-platform-linux.workspace = true
 serde_json.workspace = true

crates/nsh-linux-app/src/lib.rs

@@ -9,7 +9,7 @@
 //! without the feature `js`: the runner then links no QuickJS.
 
 /// Runs the release runner (until its window closes).
-#[cfg(all(target_os = "linux", feature = "js"))]
+#[cfg(all(target_os = "linux", not(target_env = "ohos"), feature = "js"))]
 pub fn main() -> std::process::ExitCode {
     use nsh_platform_linux::{AppSource, Bundle};
 
@@ -29,7 +29,7 @@ pub fn main() -> std::process::ExitCode {
 
 /// Runs the Rust app whose root is `root` (until its window closes), with
 /// the package's assets, name, id and appearance as [`main`] has them.
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 pub fn run_rust(root: nsh_platform_linux::Root) -> std::process::ExitCode {
     let Some((_, options)) = setup() else {
         return std::process::ExitCode::FAILURE;
@@ -40,7 +40,7 @@ pub fn run_rust(root: nsh_platform_linux::Root) -> std::process::ExitCode {
 /// Installs the logger and reads the package: its `nsh` directory (next
 /// to the executable, or `NSH_APP_DIR`: `nsh run` of a Rust app) and the
 /// window's options.
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 fn setup() -> Option<(std::path::PathBuf, nsh_platform_linux::AppOptions)> {
     use nsh_platform_linux::{AppOptions, Appearance, AssetBase, Limits};
 
@@ -102,7 +102,7 @@ fn setup() -> Option<(std::path::PathBuf, nsh_platform_linux::AppOptions)> {
     Some((dir, options))
 }
 
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 fn run(
     source: nsh_platform_linux::AppSource,
     options: nsh_platform_linux::AppOptions,
@@ -117,14 +117,14 @@ fn run(
 }
 
 /// Built without the feature `js`: runs Rust apps only ([`run_rust`]).
-#[cfg(all(target_os = "linux", not(feature = "js")))]
+#[cfg(all(target_os = "linux", not(target_env = "ohos"), not(feature = "js")))]
 pub fn main() -> std::process::ExitCode {
     eprintln!("this runner was built without the feature `js`: it runs Rust apps (run_rust)");
     std::process::ExitCode::FAILURE
 }
 
 /// Not on Linux: says so and exits.
-#[cfg(not(target_os = "linux"))]
+#[cfg(not(all(target_os = "linux", not(target_env = "ohos"))))]
 pub fn main() -> std::process::ExitCode {
     eprintln!("nsh-linux-app is the executable of packaged Linux apps; build it on Linux");
     std::process::ExitCode::FAILURE

crates/nsh-linux-host/Cargo.toml

@@ -20,7 +20,7 @@ webview = ["nsh-platform-linux/webview"]
 [dependencies]
 log.workspace = true
 
-[target.'cfg(target_os = "linux")'.dependencies]
+[target.'cfg(all(target_os = "linux", not(target_env = "ohos")))'.dependencies]
 nsh-platform-linux = { workspace = true, features = ["dev"] }
 nsh-dev.workspace = true
 nsh-engine = { workspace = true, features = ["js"] }

crates/nsh-linux-host/src/lib.rs

@@ -22,7 +22,7 @@
 //! `nsh_platform_linux::set_ui_sets` and then [`main`].
 
 /// Runs the development host (until its window closes).
-#[cfg(target_os = "linux")]
+#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
 pub fn main() -> std::process::ExitCode {
     use std::{env, path::PathBuf};
 
@@ -96,7 +96,7 @@ pub fn main() -> std::process::ExitCode {
 }
 
 /// Not on Linux: says so and exits.
-#[cfg(not(target_os = "linux"))]
+#[cfg(not(all(target_os = "linux", not(target_env = "ohos"))))]
 pub fn main() -> std::process::ExitCode {
     eprintln!("nsh-linux-host runs on Linux");
     std::process::ExitCode::FAILURE

crates/nsh-platform-linux/Cargo.toml

@@ -26,7 +26,7 @@ webview = ["dep:webkit6"]
 log.workspace = true
 
 # Empty off Linux (like the other platform crates off their targets).
-[target.'cfg(target_os = "linux")'.dependencies]
+[target.'cfg(all(target_os = "linux", not(target_env = "ohos")))'.dependencies]
 nsh-core = { workspace = true, features = ["svg", "loader"] }
 nsh-engine = { workspace = true, features = ["net", "shader"] }
 nsh-base = { workspace = true, features = ["highlight"] }

crates/nsh-platform-linux/src/lib.rs

@@ -13,7 +13,7 @@
 //! [`AppView`] is one surface as a widget (for embedding); [`run_app`]
 //! opens one in a window. Off Linux this crate is empty.
 
-#![cfg(target_os = "linux")]
+#![cfg(all(target_os = "linux", not(target_env = "ohos")))]
 
 mod access;
 #[cfg(feature = "dev")]