0697a4a55b
ncnn defaults to static linkage on Darwin against MoltenVK, but static libraries are not build by default for MoltenVK in nixpkgs, and it’s not taken as a dependency anyway. Override this behavior by specifying `Vulkan_LIBRARY` explicitly as `-lvulkan` on Darwin.
51 lines
1.2 KiB
Nix
51 lines
1.2 KiB
Nix
{ lib
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, stdenv
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, fetchFromGitHub
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, cmake
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, vulkan-headers
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, vulkan-loader
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, glslang
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, opencv
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, protobuf
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}:
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stdenv.mkDerivation rec {
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pname = "ncnn";
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version = "20240102";
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src = fetchFromGitHub {
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owner = "Tencent";
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repo = pname;
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rev = version;
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hash = "sha256-kk70oLY+2QJOkyYq10whLRMxBuibQMWMOBA9dcbKf/I=";
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};
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patches = [
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./cmakelists.patch
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];
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cmakeFlags = [
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"-DNCNN_CMAKE_VERBOSE=1" # Only for debugging the build
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"-DNCNN_SHARED_LIB=1"
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"-DNCNN_ENABLE_LTO=1"
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"-DNCNN_VULKAN=1"
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"-DNCNN_BUILD_EXAMPLES=0"
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"-DNCNN_BUILD_TOOLS=0"
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"-DNCNN_SYSTEM_GLSLANG=1"
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"-DNCNN_PYTHON=0" # Should be an attribute
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]
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# Requires setting `Vulkan_LIBRARY` on Darwin. Otherwise the build fails due to missing symbols.
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++ lib.optionals stdenv.isDarwin [ "-DVulkan_LIBRARY=-lvulkan" ];
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nativeBuildInputs = [ cmake ];
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buildInputs = [ vulkan-headers vulkan-loader glslang opencv protobuf ];
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meta = with lib; {
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description = "ncnn is a high-performance neural network inference framework optimized for the mobile platform";
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homepage = "https://github.com/Tencent/ncnn";
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license = licenses.bsd3;
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maintainers = with maintainers; [ tilcreator ];
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platforms = platforms.all;
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};
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}
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