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-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/10/llvm/default.nix12
1 files changed, 11 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/10/llvm/default.nix b/nixpkgs/pkgs/development/compilers/llvm/10/llvm/default.nix
index c4e6f2827e82..c09ec676e9ea 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/10/llvm/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/10/llvm/default.nix
@@ -133,7 +133,17 @@ in stdenv.mkDerivation (rec {
       hash = "sha256-CXwYxQezTq5vdmc8Yn88BUAEly6YZ5VEIA6X3y5NNOs=";
       stripLen = 1;
     })
-  ] ++ lib.optional enablePolly ./gnu-install-dirs-polly.patch;
+  ] ++ lib.optionals enablePolly [
+    ./gnu-install-dirs-polly.patch
+    # Add missing isl header includess required to build LLVM 10 + Polly with clang 16.
+    (fetchpatch {
+      name = "polly-ppcg-isl-headers.patch";
+      url = "https://repo.or.cz/ppcg.git/patch/098ba285306114dc71497f7b51c357f69c9b4472";
+      hash = "sha256-c9L30rDROYAMbUSuaK9U/ixyFMlH/Sa1n+VgLODzSCQ=";
+      extraPrefix = "tools/polly/lib/External/ppcg/";
+      stripLen = 1;
+    })
+  ];
 
   postPatch = optionalString stdenv.isDarwin ''
     substituteInPlace cmake/modules/AddLLVM.cmake \