Revert "Link C/C++ operators using `LINK.EXE` on Windows"

This reverts commit 202170951d.

examples/c++-dataflow/run.rs

@@ -137,32 +137,16 @@ async fn build_cxx_operator(path: &Path, out_name: &str) -> eyre::Result<()> {
         bail!("failed to compile cxx operator");
     };
 
-    let out_path = Path::new("../build").join(library_filename(out_name));
-    #[cfg(unix)]
-    {
-        let mut link = tokio::process::Command::new("clang++");
-        link.arg("-shared").arg(&object_file_path);
-        link.arg("-o").arg(out_path);
-        if let Some(parent) = path.parent() {
-            link.current_dir(parent);
-        }
-        if !link.status().await?.success() {
-            bail!("failed to create shared library from cxx operator (c api)");
-        };
-    }
-    #[cfg(windows)]
-    {
-        let mut link = tokio::process::Command::new("LINK.EXE");
-        link.arg("/DLL");
-        link.arg(format!("/OUT:{}", out_path.display()));
-        link.arg(&object_file_path);
-        if let Some(parent) = path.parent() {
-            link.current_dir(parent);
-        }
-        if !link.status().await?.success() {
-            bail!("failed to link c++ operator (c api)");
-        };
+    let mut link = tokio::process::Command::new("clang++");
+    link.arg("-shared").arg(&object_file_path);
+    link.arg("-o")
+        .arg(Path::new("../build").join(library_filename(out_name)));
+    if let Some(parent) = path.parent() {
+        link.current_dir(parent);
     }
+    if !link.status().await?.success() {
+        bail!("failed to create shared library from cxx operator (c api)");
+    };
 
     Ok(())
 }

examples/c-dataflow/run.rs

@@ -129,26 +129,14 @@ async fn build_c_operator(root: &Path) -> eyre::Result<()> {
         bail!("failed to compile c operator");
     };
 
-    let out_path = Path::new("build").join(library_filename("operator"));
-    #[cfg(unix)]
-    {
-        let mut link = tokio::process::Command::new("clang");
-        link.arg("-shared").arg("build/operator.o");
-        link.arg("-o").arg(out_path);
-        if !link.status().await?.success() {
-            bail!("failed to link c operator");
-        };
-    }
-    #[cfg(windows)]
-    {
-        let mut link = tokio::process::Command::new("LINK.EXE");
-        link.arg("/DLL");
-        link.arg(format!("/OUT:{}", out_path.display()));
-        link.arg("build/operator.o");
-        if !link.status().await?.success() {
-            bail!("failed to link c operator");
-        };
-    }
+    let mut link = tokio::process::Command::new("clang");
+    link.arg("-shared").arg("build/operator.o");
+    link.arg("-o")
+        .arg(Path::new("build").join(library_filename("operator")));
+    if !link.status().await?.success() {
+        bail!("failed to link c operator");
+    };
+
     Ok(())
 }