fix: autodetect android install (#3200)

* fix: autodetect android install

* use clang

packages/cli/src/build/request.rs

@@ -114,10 +114,17 @@ impl BuildRequest {
         // We don't want to overwrite the user's .cargo/config.toml since that gets committed to git
         // and we want everyone's install to be the same.
         if self.build.platform() == Platform::Android {
+            let linker = self
+                .krate
+                .android_linker()
+                .context("Could not autodetect android linker")?;
+
+            tracing::trace!("Using android linker: {linker:?}");
+
             cmd.env(
                 LinkAction::ENV_VAR_NAME,
                 LinkAction::LinkAndroid {
-                    linker: "/Users/jonkelley/Library/Android/sdk/ndk/25.2.9519653/toolchains/llvm/prebuilt/darwin-x86_64/bin/aarch64-linux-android24-clang".into(),
+                    linker,
                     extra_flags: vec![],
                 }
                 .to_json(),

packages/cli/src/build/verify.rs

@@ -134,6 +134,12 @@ impl BuildRequest {
     /// will do its best to fill in the missing bits by exploring the sdk structure
     /// IE will attempt to use the Java installed from android studio if possible.
     pub(crate) async fn verify_android_tooling(&self, _rustup: RustupShow) -> Result<()> {
+        if self.krate.android_linker().is_none() {
+            return Err(anyhow::anyhow!(
+                "Android linker not found. Please set the ANDROID_NDK_HOME environment variable to the root of your NDK installation."
+            ).into());
+        }
+
         Ok(())
     }
 
@@ -142,7 +148,7 @@ impl BuildRequest {
     ///
     /// Eventually, we want to check for the prereqs for wry/tao as outlined by tauri:
     ///     https://tauri.app/start/prerequisites/
-    pub(crate) async fn verify_linux_tooling(&self, _rustup: crate::RustupShow) -> Result<()> {
+    pub(crate) async fn verify_linux_tooling(&self, _rustup: RustupShow) -> Result<()> {
         Ok(())
     }
 }