diff --git a/pkgs/development/compilers/llvm/11/llvm.nix b/pkgs/development/compilers/llvm/11/llvm.nix
index 9cd0da4f4f9..f15a7d12b80 100644
--- a/pkgs/development/compilers/llvm/11/llvm.nix
+++ b/pkgs/development/compilers/llvm/11/llvm.nix
@@ -95,6 +95,9 @@ in stdenv.mkDerivation (rec {
     ln -sv $PWD/lib $out
   '';
 
+  # E.g. mesa.drivers use the build-id as a cache key (see #93946):
+  LDFLAGS = optionalString enableSharedLibraries "-Wl,--build-id=sha1";
+
   cmakeFlags = with stdenv; [
     "-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
     "-DLLVM_INSTALL_UTILS=ON"  # Needed by rustc