PragmaTwice commented on code in PR #5195:
URL: https://github.com/apache/opendal/pull/5195#discussion_r1804477115
##########
bindings/cpp/build.rs:
##########
@@ -15,8 +15,56 @@
// specific language governing permissions and limitations
// under the License.
+use std::{
+ env::var,
+ io,
+ path::{Path, PathBuf},
+};
+
+#[cfg(unix)]
+fn symlink<P: AsRef<Path>, Q: AsRef<Path>>(original: P, link: Q) ->
io::Result<()> {
+ std::os::unix::fs::symlink(original, link)
+}
+
+#[cfg(target_os = "windows")]
+fn symlink<P: AsRef<Path>, Q: AsRef<Path>>(original: P, link: Q) ->
io::Result<()> {
+ std::os::windows::fs::symlink_file(original, link)
+}
+
+fn symlink_force<P: AsRef<Path>, Q: AsRef<Path>>(original: P, link: Q) ->
io::Result<()> {
+ if link.as_ref().exists() {
+ return std::fs::remove_file(link);
+ }
+
+ symlink(original, link)
+}
+
+fn print_to_cargo() {
+ println!("cargo:rerun-if-changed=src/lib.rs");
+ #[cfg(feature = "async")]
+ println!("cargo:rerun-if-changed=src/async.rs");
+}
+
+fn symlink_async_includes() {
+ let async_inc = var("DEP_CXX_ASYNC_INCLUDE").unwrap();
+ let src_dir = PathBuf::from(async_inc).join("rust");
+
+ let prj_dir = var("CARGO_MANIFEST_DIR").unwrap();
+ let dst_dir = PathBuf::from(prj_dir)
+ .join("target")
+ .join("cxxbridge")
+ .join("rust");
+
+ symlink_force(src_dir.join("cxx_async.h"),
dst_dir.join("cxx_async.h")).unwrap();
+}
+
fn main() {
let _ = cxx_build::bridge("src/lib.rs");
+ #[cfg(feature = "async")]
+ {
+ let _ = cxx_build::bridge("src/async.rs");
+ symlink_async_includes();
+ }
- println!("cargo:rerun-if-changed=src/lib.rs");
+ print_to_cargo()
Review Comment:
Yeah I'll remove it.
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