1 files changed, 19 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/git/openmp/default.nix b/nixpkgs/pkgs/development/compilers/llvm/git/openmp/default.nix
index c5a33df97560..7add0c7ed465 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/git/openmp/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/git/openmp/default.nix
@@ -1,10 +1,13 @@
 { lib
 , stdenv
 , llvm_meta
-, src
+, monorepoSrc
+, runCommand
 , cmake
 , llvm
+, clang-unwrapped
 , perl
+, pkg-config
 , version
 }:
 
@@ -12,10 +15,22 @@ stdenv.mkDerivation rec {
   pname = "openmp";
   inherit version;
 
-  inherit src;
-  sourceRoot = "source/${pname}";
+  src = runCommand "${pname}-src-${version}" {} ''
+    mkdir -p "$out"
+    cp -r ${monorepoSrc}/cmake "$out"
+    cp -r ${monorepoSrc}/${pname} "$out"
+  '';
 
-  nativeBuildInputs = [ cmake perl ];
+  sourceRoot = "${src.name}/${pname}";
+
+  patches = [
+    ./gnu-install-dirs.patch
+    ./fix-find-tool.patch
+  ];
+
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [ cmake perl pkg-config clang-unwrapped ];
   buildInputs = [ llvm ];
 
   cmakeFlags = [