diff -up chromium-127.0.6533.72/build/rust/rust_bindgen.gni.me chromium-127.0.6533.72/build/rust/rust_bindgen.gni
--- chromium-127.0.6533.72/build/rust/rust_bindgen.gni.me	2024-07-25 16:11:18.754551595 +0200
+++ chromium-127.0.6533.72/build/rust/rust_bindgen.gni	2024-07-25 16:11:33.997837660 +0200
@@ -22,7 +22,7 @@ _libclang_path = rust_bindgen_root
 if (host_os == "win") {
   _libclang_path += "/bin"
 } else {
-  _libclang_path += "/lib"
+  _libclang_path += "/lib64"
 }
 
 # Template to build Rust/C bindings with bindgen.
@@ -105,6 +105,14 @@
       # it's declared.
       deps = [ ":${_rust_bindgen_generator_name}_static_fns" ]
     }
+
+    # Default configs include "-fvisibility=hidden", and for some reason this
+    # causes bindgen not to emit function bindings. Override it.
+    args = []
+    if (!is_win) {
+      args += [ "-fvisibility=default" ]
+    }
+
     if (defined(cpp) && cpp) {
       # This cfg is used to control the bindings public export.
       rustflags = [
--- chromium-132.0.6811.2/build/rust/rust_bindgen_generator.gni	2024/11/07 11:34:54	1.1
+++ chromium-132.0.6811.2/build/rust/rust_bindgen_generator.gni	2024/11/07 11:35:41
@@ -22,7 +22,7 @@
 if (host_os == "win") {
   _libclang_path += "/bin"
 } else {
-  _libclang_path += "/lib"
+  _libclang_path += "/lib64"
 }
 
 # Template to build Rust/C bindings with bindgen.
@@ -266,6 +266,8 @@
     # causes bindgen not to emit function bindings. Override it.
     if (!is_win) {
       args += [ "-fvisibility=default" ]
+      args += [ "-I/usr/include/c++/v1" ]
+      args += [ "-I/usr/lib64/clang/" + clang_version + "/include" ]
     }
 
     if (is_win) {