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.
diff -up chromium-121.0.6167.57/build/config/clang/BUILD.gn.rust-clang_lib chromium-121.0.6167.57/build/config/clang/BUILD.gn
--- chromium-121.0.6167.57/build/config/clang/BUILD.gn.rust-clang_lib	2024-01-10 16:43:01.000000000 +0100
+++ chromium-121.0.6167.57/build/config/clang/BUILD.gn	2024-01-20 19:51:38.481992799 +0100
@@ -112,6 +112,7 @@ template("clang_lib") {
       _prefix = "lib"
       _suffix = ""
       _ext = "a"
+      _libprefix = ""
       if (is_win) {
         _dir = "windows"
         _prefix = ""
@@ -127,7 +128,33 @@ template("clang_lib") {
         }
       } else if (is_apple) {
         _dir = "darwin"
-      } else if (is_linux || is_chromeos) {
+      } else if (is_linux) {
+        if (current_cpu == "x64") {
+          _dir = "x86_64-redhat-linux-gnu"
+          _suffix ="-x86_64"
+        } else if (current_cpu == "x86") {
+          _dir = "i386-redhat-linux-gnu"
+          _suffix = "-i386"
+        } else if (current_cpu == "arm64") {
+          _dir = "aarch64-redhat-linux-gnu"
+          _suffix = "-aarch64"
+        } else if (current_cpu == "arm") {
+          _dir = "armhf-redhat-linux-gnu"
+          _suffix = "-armhf"
+        } else if (current_cpu == "ppc64") {
+          _dir = "ppc64le-redhat-linux-gnu"
+          _suffix = "-ppc64le"
+        } else {
+          assert(false)  # Unhandled cpu type
+        }
+        # different clang lib dir in fedora/epel
+        if (clang_version == "17" || clang_version == "18" || clang_version == "19") {
+          _suffix = ""
+        } else if (clang_version == "14" || clang_version == "15" || clang_version == "16") {
+          _libprefix = "64"
+          _dir = ""
+        }
+      } else if (is_chromeos) {
         if (current_cpu == "x64") {
           _dir = "x86_64-unknown-linux-gnu"
         } else if (current_cpu == "x86") {
@@ -166,7 +193,7 @@ template("clang_lib") {
         assert(false)  # Unhandled target platform
       }
 
-      _clang_lib_dir = "$clang_base_path/lib/clang/$clang_version/lib"
+      _clang_lib_dir = "$clang_base_path/lib${_libprefix}/clang/$clang_version/lib"
       _lib_file = "${_prefix}clang_rt.${_libname}${_suffix}.${_ext}"
       libs = [ "$_clang_lib_dir/$_dir/$_lib_file" ]
     }