diff --git a/flake.nix b/flake.nix
index 041e71335..a88b7a84c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
       nixpkgs-patched = pkgs-orig.applyPatches {
         name = "nixpkgs";
         src = nixpkgs;
-        patches = [ ./llvm-future-riscv-abi.diff ./llvm-restrict-targets.diff ./llvm-mingw-crosscompile.diff ];
+        patches = [ ./llvm-future-riscv-abi.diff ./llvm-restrict-targets.diff ./llvm-mingw-crosscompile.diff ./llvm-unbreak-static-cross.diff ];
       };
       pkgs = import nixpkgs-patched { system = "x86_64-linux"; };
       pkgs-mingw = import nixpkgs-patched { system = "x86_64-linux"; crossSystem = { config = "x86_64-w64-mingw32"; libc = "msvcrt"; }; };
diff --git a/llvm-unbreak-static-cross.diff b/llvm-unbreak-static-cross.diff
new file mode 100644
index 000000000..594731dee
--- /dev/null
+++ b/llvm-unbreak-static-cross.diff
@@ -0,0 +1,44 @@
+diff --git a/pkgs/development/compilers/llvm/12/llvm/default.nix b/pkgs/development/compilers/llvm/12/llvm/default.nix
+index 30a1a7a16df..bb5676b9d48 100644
+--- a/pkgs/development/compilers/llvm/12/llvm/default.nix
++++ b/pkgs/development/compilers/llvm/12/llvm/default.nix
+@@ -74,7 +74,7 @@ in stdenv.mkDerivation (rec {
+       --replace 'set(_install_rpath "@loader_path/../''${CMAKE_INSTALL_LIBDIR}''${LLVM_LIBDIR_SUFFIX}" ''${extra_libdir})' ""
+   ''
+   # Patch llvm-config to return correct library path based on --link-{shared,static}.
+-  + optionalString (enableSharedLibraries) ''
++  + ''
+     substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
+     patch -p1 < ./outputs.patch
+   '' + ''
+diff --git a/pkgs/development/compilers/llvm/12/llvm/outputs.patch b/pkgs/development/compilers/llvm/12/llvm/outputs.patch
+index 40096fa3497..878460e05b8 100644
+--- a/pkgs/development/compilers/llvm/12/llvm/outputs.patch
++++ b/pkgs/development/compilers/llvm/12/llvm/outputs.patch
+@@ -2,23 +2,13 @@ diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.c
+ index 94d426b..37f7794 100644
+ --- a/tools/llvm-config/llvm-config.cpp
+ +++ b/tools/llvm-config/llvm-config.cpp
+-@@ -333,6 +333,21 @@ int main(int argc, char **argv) {
++@@ -333,6 +333,11 @@ int main(int argc, char **argv) {
+      ActiveIncludeOption = "-I" + ActiveIncludeDir;
+    }
+  
+-+  /// Nix-specific multiple-output handling: override ActiveLibDir if --link-shared
+++  /// Nix-specific multiple-output handling: override ActiveLibDir
+ +  if (!IsInDevelopmentTree) {
+-+    bool WantShared = true;
+-+    for (int i = 1; i < argc; ++i) {
+-+      StringRef Arg = argv[i];
+-+      if (Arg == "--link-shared")
+-+        WantShared = true;
+-+      else if (Arg == "--link-static")
+-+        WantShared = false; // the last one wins
+-+    }
+-+
+-+    if (WantShared)
+-+      ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
+++    ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
+ +  }
+ +
+    /// We only use `shared library` mode in cases where the static library form