70 lines
2 KiB
Nix
70 lines
2 KiB
Nix
{ lib, stdenv
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, fetchFromGitHub
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, cmake
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, pkg-config
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, lit
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, llvm
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, spirv-headers
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, spirv-tools
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}:
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let
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llvmMajor = lib.versions.major llvm.version;
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branch =
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if llvmMajor == "15" then rec {
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version = "15.0.0";
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rev = "v${version}";
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hash = "sha256-111yL6Wh8hykoGz1QmT1F7lfGDEmG4U3iqmqrJxizOg=";
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} else if llvmMajor == "14" then rec{
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version = "14.0.0";
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rev = "v${version}";
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hash = "sha256-BhNAApgZ/w/92XjpoDY6ZEIhSTwgJ4D3/EfNvPmNM2o=";
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} else if llvmMajor == "11" then {
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version = "unstable-2022-05-04";
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rev = "99420daab98998a7e36858befac9c5ed109d4920"; # 265 commits ahead of v11.0.0
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hash = "sha256-/vUyL6Wh8hykoGz1QmT1F7lfGDEmG4U3iqmqrJxizOg=";
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} else throw "Incompatible LLVM version.";
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in
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stdenv.mkDerivation rec {
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pname = "SPIRV-LLVM-Translator";
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inherit (branch) version;
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src = fetchFromGitHub {
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owner = "KhronosGroup";
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repo = "SPIRV-LLVM-Translator";
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inherit (branch) rev hash;
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};
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nativeBuildInputs = [ pkg-config cmake llvm.dev spirv-tools ];
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buildInputs = [ spirv-headers llvm ];
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checkInputs = [ lit ];
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cmakeFlags = [
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"-DLLVM_INCLUDE_TESTS=ON"
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"-DLLVM_DIR=${llvm.dev}"
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"-DBUILD_SHARED_LIBS=YES"
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"-DLLVM_SPIRV_BUILD_EXTERNAL=YES"
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# RPATH of binary /nix/store/.../bin/llvm-spirv contains a forbidden reference to /build/
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"-DCMAKE_SKIP_BUILD_RPATH=ON"
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] ++ lib.optionals (llvmMajor != "11") [ "-DLLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR=${spirv-headers.src}" ];
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# FIXME: CMake tries to run "/llvm-lit" which of course doesn't exist
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doCheck = false;
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makeFlags = [ "all" "llvm-spirv" ];
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postInstall = ''
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install -D tools/llvm-spirv/llvm-spirv $out/bin/llvm-spirv
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'';
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meta = with lib; {
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homepage = "https://github.com/KhronosGroup/SPIRV-LLVM-Translator";
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description = "A tool and a library for bi-directional translation between SPIR-V and LLVM IR";
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license = licenses.ncsa;
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platforms = platforms.all;
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maintainers = with maintainers; [ gloaming ];
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};
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}
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