68 lines
2 KiB
Nix
68 lines
2 KiB
Nix
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{ llvmPackages, lib, fetchFromGitHub, cmake
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, libpng, libjpeg, mesa, eigen
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, openblas, blas, lapack
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}:
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assert blas.implementation == "openblas" && lapack.implementation == "openblas";
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let
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version = "2019_08_27";
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in llvmPackages.stdenv.mkDerivation {
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name = "halide-${builtins.replaceStrings ["_"] ["."] version}";
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src = fetchFromGitHub {
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owner = "halide";
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repo = "Halide";
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rev = "release_${version}";
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sha256 = "09xf8v9zyxx2fn6s1yzjkyzcf9zyzrg3x5vivgd2ljzbfhm8wh7n";
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};
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patches = [ ./nix.patch ];
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# clang fails to compile intermediate code because
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# of unused "--gcc-toolchain" option
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postPatch = ''
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sed -i "s/-Werror//" src/CMakeLists.txt
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'';
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cmakeFlags = [ "-DWARNINGS_AS_ERRORS=OFF" ];
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# To handle the lack of 'local' RPATH; required, as they call one of
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# their built binaries requiring their libs, in the build process.
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preBuild = ''
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export LD_LIBRARY_PATH="$(pwd)/lib''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
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'';
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enableParallelBuilding = true;
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# Note: only openblas and not atlas part of this Nix expression
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# see pkgs/development/libraries/science/math/liblapack/3.5.0.nix
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# to get a hint howto setup atlas instead of openblas
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buildInputs = [ llvmPackages.llvm libpng libjpeg mesa eigen openblas ];
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nativeBuildInputs = [ cmake ];
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# No install target for cmake available.
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# Calling install target in Makefile causes complete rebuild
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# and the library rpath is broken, because libncursesw.so.6 is missing.
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# Another way is using "make halide_archive", but the tarball is not easy
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# to disassemble.
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installPhase = ''
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find
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mkdir -p "$out/lib" "$out/bin"
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cp bin/HalideTrace* "$out/bin"
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cp lib/libHalide.so "$out/lib"
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cp -r include "$out"
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'';
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meta = with lib; {
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description = "C++ based language for image processing and computational photography";
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homepage = "https://halide-lang.org";
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license = licenses.mit;
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platforms = [ "i686-linux" "x86_64-linux" ];
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maintainers = [ maintainers.ck3d ];
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};
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}
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