添加缺失的依赖

Signed-off-by: wangmeng <wangmeng259@huawei.com>

BUILD.gn

@@ -24,10 +24,7 @@ ohos_cargo_crate("lib") {
   cargo_pkg_authors = "David Tolnay <dtolnay@gmail.com>"
   cargo_pkg_name = "cxx"
   cargo_pkg_description = "Safe interop between Rust and C++"
-  deps = [
-    "//third_party/rust/crates/cxx/macro:macro_lib(${host_toolchain})",
-    ":cxx_cppdeps"
-    ]
+  deps = [ "//third_party/rust/crates/cxx/macro:macro_lib(${host_toolchain})" ]
   features = [
     "alloc",
     "std",
@@ -51,7 +48,7 @@ ohos_static_library("cxx_cppdeps") {
     "//third_party/rust/crates/cxx/include/cxx.h",
     "//third_party/rust/crates/cxx/src/cxx.cc",
   ]
-  deps = []
+  deps = [ "//third_party/rust/crates/cxx:lib" ]
   if (is_win) {
     defines += [ "CXX_RS_EXPORT=__declspec(dllexport)" ]
   } else {

build.rs

@@ -9,23 +9,6 @@ fn main() {
     let manifest_dir_opt = env::var_os("CARGO_MANIFEST_DIR").map(PathBuf::from);
     let manifest_dir = manifest_dir_opt.as_deref().unwrap_or(Path::new(""));
 
-    cc::Build::new()
-        .file(manifest_dir.join("src/cxx.cc"))
-        .cpp(true)
-        .cpp_link_stdlib(None) // linked via link-cplusplus crate
-        .std(cxxbridge_flags::STD)
-        .warnings_into_errors(cfg!(deny_warnings))
-        .compile("cxxbridge1");
-
-    println!("cargo:rerun-if-changed=src/cxx.cc");
-    println!("cargo:rerun-if-changed=include/cxx.h");
-    println!("cargo:rustc-cfg=built_with_cargo");
-
-    if let Some(manifest_dir) = &manifest_dir_opt {
-        let cxx_h = manifest_dir.join("include").join("cxx.h");
-        println!("cargo:HEADER={}", cxx_h.to_string_lossy());
-    }
-
     if let Some(rustc) = rustc_version() {
         if rustc.minor >= 80 {
             println!("cargo:rustc-check-cfg=cfg(built_with_cargo)");