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What happens if I push all of nixpkgs
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Nix
at flake-libs
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assert blas.implementation == "openblas" && lapack.implementation == "openblas";
stdenv.mkDerivation (finalAttrs: { pname = "halide"; version = "19.0.0";
src = fetchFromGitHub { owner = "halide"; repo = "Halide"; tag = "v${finalAttrs.version}"; hash = "sha256-0SFGX4G6UR8NS4UsdFOb99IBq2/hEkr/Cm2p6zkIh/8="; };
patches = [ # The following two patches fix cmake/HalidePackageConfigHelpers.cmake to # support specifying an absolute library install path (which is what Nix # does when "lib" is included as a separate output) (fetchpatch2 { url = "https://github.com/halide/Halide/commit/ac2cd23951aff9ac3b765e51938f1e576f1f0ee9.diff?full_index=1"; hash = "sha256-JTktOTSyReDUEHTaPPMoi+/K/Gzg39i6MI97cO3654k="; }) (fetchpatch2 { url = "https://github.com/halide/Halide/commit/59f4fff30f4ab628da9aa7e5f77a7f1bb218a779.diff?full_index=1"; hash = "sha256-yOzE+1jai1w1GQisLYfu8F9pbTE/bYg0MTLq8rPXdGk="; }) ];
postPatch = '' substituteInPlace src/runtime/CMakeLists.txt --replace-fail \ '-isystem "''${VulkanHeaders_INCLUDE_DIR}"' \ '-isystem "''${VulkanHeaders_INCLUDE_DIR}" -isystem "${llvmPackages.clang}/resource-root/include"' '' # Upstream Halide include a check in their CMake files that forces Halide to # link LLVM dynamically because of WebAssembly. It unnecessarily increases # the closure size in cases when the WebAssembly target is not used. Hence, # the following hack + lib.optionalString (!wasmSupport) '' substituteInPlace cmake/FindHalide_LLVM.cmake --replace-fail \ 'if (comp STREQUAL "WebAssembly")' \ 'if (FALSE)' '';
cmakeFlags = [ "-DWITH_PYTHON_BINDINGS=${if pythonSupport then "ON" else "OFF"}" (lib.cmakeBool "WITH_TESTS" doCheck) (lib.cmakeBool "WITH_TUTORIALS" doCheck) # Disable performance tests since they may fail on busy machines "-DWITH_TEST_PERFORMANCE=OFF" # Disable fuzzing tests -- this has become the default upstream after the # v16 release (See https://github.com/halide/Halide/commit/09c5d1d19ec8e6280ccbc01a8a12decfb27226ba) # These tests also fail to compile on Darwin because of some missing command line options... "-DWITH_TEST_FUZZ=OFF" # Disable FetchContent and use versions from nixpkgs instead "-DHalide_USE_FETCHCONTENT=OFF" "-DHalide_WASM_BACKEND=${if wasmSupport then "wabt" else "OFF"}" (lib.cmakeBool "Halide_LLVM_SHARED_LIBS" wasmSupport) ];
outputs = [ "out" "lib" ];
inherit doCheck;
disabledTests = [ # Requires too much parallelism for remote builders. "mullapudi2016_fibonacci" # Tests performance---flaky in CI "mullapudi2016_reorder" # Take too long---we don't want to run these in CI. "adams2019_test_apps_autoscheduler" "anderson2021_test_apps_autoscheduler" "correctness_cross_compilation" "correctness_simd_op_check_hvx" ];
dontUseNinjaCheck = true; nativeCheckInputs = [ ctestCheckHook ];
postInstall = lib.optionalString pythonSupport '' mkdir -p $lib/lib/${python3Packages.python.libPrefix} mv -v $lib/lib/python3/site-packages $lib/lib/${python3Packages.python.libPrefix} rmdir $lib/lib/python3/ '' # Debug symbols in the runtime include references to clang, but they're not # required for running the code. llvmPackages.clang increases the runtime # closure by at least a GB which is a waste, so we remove references to clang. + lib.optionalString (stdenv != llvmPackages.stdenv) '' remove-references-to -t ${llvmPackages.clang} $lib/lib/libHalide* '';
# Note: only openblas and not atlas part of this Nix expression # see pkgs/development/libraries/science/math/liblapack/3.5.0.nix # to get a hint howto setup atlas instead of openblas buildInputs = [ llvmPackages.llvm llvmPackages.lld llvmPackages.openmp llvmPackages.libclang libffi libpng libjpeg eigen openblas ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [ libgbm libGL ] ++ lib.optionals wasmSupport [ wabt ];
nativeBuildInputs = [ cmake flatbuffers removeReferencesTo ninja ] ++ lib.optionals pythonSupport [ python3Packages.python python3Packages.pybind11 ];
propagatedBuildInputs = lib.optionals pythonSupport [ python3Packages.numpy python3Packages.imageio ];
meta = with lib; { description = "C++ based language for image processing and computational photography"; homepage = "https://halide-lang.org"; license = licenses.mit; platforms = platforms.all; maintainers = with maintainers; [ ck3d atila twesterhout ]; broken = !stdenv.buildPlatform.canExecute stdenv.hostPlatform; };})