113 lines
2.9 KiB
Nix
113 lines
2.9 KiB
Nix
{ lib
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, stdenv
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, fetchFromGitHub
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, SDL2
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, makeWrapper
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, wget
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, which
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, Accelerate
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, CoreGraphics
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, CoreML
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, CoreVideo
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, MetalKit
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, config
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, autoAddDriverRunpath
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, cudaSupport ? config.cudaSupport
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, cudaPackages ? {}
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}:
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let
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# It's necessary to consistently use backendStdenv when building with CUDA support,
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# otherwise we get libstdc++ errors downstream.
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# cuda imposes an upper bound on the gcc version, e.g. the latest gcc compatible with cudaPackages_11 is gcc11
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effectiveStdenv = if cudaSupport then cudaPackages.backendStdenv else stdenv;
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in
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effectiveStdenv.mkDerivation (finalAttrs: {
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pname = "whisper-cpp";
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version = "1.7.1";
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src = fetchFromGitHub {
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owner = "ggerganov";
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repo = "whisper.cpp";
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rev = "refs/tags/v${finalAttrs.version}" ;
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hash = "sha256-EDFUVjud79ZRCzGbOh9L9NcXfN3ikvsqkVSOME9F9oo=";
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};
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# The upstream download script tries to download the models to the
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# directory of the script, which is not writable due to being
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# inside the nix store. This patch changes the script to download
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# the models to the current directory of where it is being run from.
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patches = [ ./download-models.patch ];
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nativeBuildInputs = [
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which
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makeWrapper
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] ++ lib.optionals cudaSupport [
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cudaPackages.cuda_nvcc
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autoAddDriverRunpath
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];
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buildInputs = [
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SDL2
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] ++ lib.optionals stdenv.hostPlatform.isDarwin [
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Accelerate
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CoreGraphics
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CoreML
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CoreVideo
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MetalKit
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] ++ lib.optionals cudaSupport ( with cudaPackages; [
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cuda_cccl # provides nv/target
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cuda_cudart
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libcublas
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]);
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postPatch = let
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cudaOldStr = "-lcuda ";
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cudaNewStr = "-lcuda -L${cudaPackages.cuda_cudart}/lib/stubs ";
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in lib.optionalString cudaSupport ''
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substituteInPlace Makefile \
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--replace-fail '${cudaOldStr}' '${cudaNewStr}'
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'';
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env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
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WHISPER_COREML = "1";
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WHISPER_COREML_ALLOW_FALLBACK = "1";
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WHISPER_METAL_EMBED_LIBRARY = "1";
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} // lib.optionalAttrs cudaSupport {
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GGML_CUDA = "1";
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};
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installPhase = ''
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runHook preInstall
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mkdir -p $out/bin
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cp ./main $out/bin/whisper-cpp
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for file in *; do
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if [[ -x "$file" && -f "$file" && "$file" != "main" ]]; then
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cp "$file" "$out/bin/whisper-cpp-$file"
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fi
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done
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cp models/download-ggml-model.sh $out/bin/whisper-cpp-download-ggml-model
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wrapProgram $out/bin/whisper-cpp-download-ggml-model \
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--prefix PATH : ${lib.makeBinPath [wget]}
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runHook postInstall
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'';
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meta = with lib; {
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description = "Port of OpenAI's Whisper model in C/C++";
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longDescription = ''
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To download the models as described in the project's readme, you may
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use the `whisper-cpp-download-ggml-model` binary from this package.
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'';
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homepage = "https://github.com/ggerganov/whisper.cpp";
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license = licenses.mit;
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platforms = platforms.all;
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maintainers = with maintainers; [ dit7ya hughobrien ];
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};
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})
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