2025-07-24 13:55:40 +02:00

121 lines
2.9 KiB
Nix

{
stdenv,
config,
lib,
fetchFromGitHub,
cmake,
libusb1,
nlohmann_json,
ninja,
pkg-config,
gcc,
libgbm,
gtk3,
glfw,
libGLU,
curl,
cudaSupport ? config.cudaSupport,
cudaPackages ? { },
enablePython ? false,
pythonPackages ? null,
enableGUI ? false,
}:
assert cudaSupport -> (cudaPackages ? cudatoolkit && cudaPackages.cudatoolkit != null);
assert enablePython -> pythonPackages != null;
stdenv.mkDerivation rec {
pname = "librealsense";
version = "2.56.3";
outputs = [
"out"
"dev"
];
src = fetchFromGitHub {
owner = "IntelRealSense";
repo = pname;
rev = "v${version}";
sha256 = "sha256-Stx337mGcpMCg9DlZmvX4LPQmCSzLRFcUQPxaD/Y0Ds=";
};
buildInputs = [
libusb1
gcc.cc.lib
nlohmann_json
]
++ lib.optionals cudaSupport [ cudaPackages.cuda_cudart ]
++ lib.optionals enablePython (
with pythonPackages;
[
python
pybind11
]
)
++ lib.optionals enableGUI [
libgbm
gtk3
glfw
libGLU
curl
];
patches = [
./py_pybind11_no_external_download.patch
./install-presets.patch
];
postPatch = ''
# use nixpkgs nlohmann_json instead of fetching it
substituteInPlace third-party/CMakeLists.txt \
--replace-fail \
'include(CMake/external_json.cmake)' \
'find_package(nlohmann_json 3.11.3 REQUIRED)'
'';
nativeBuildInputs = [
cmake
ninja
pkg-config
]
++ lib.optionals cudaSupport [
cudaPackages.cuda_nvcc
];
cmakeFlags = [
"-DBUILD_EXAMPLES=ON"
"-DBUILD_GRAPHICAL_EXAMPLES=${lib.boolToString enableGUI}"
"-DBUILD_GLSL_EXTENSIONS=${lib.boolToString enableGUI}"
"-DCHECK_FOR_UPDATES=OFF" # activated by BUILD_GRAPHICAL_EXAMPLES, will make it download and compile libcurl
]
++ lib.optionals enablePython [
"-DBUILD_PYTHON_BINDINGS:bool=true"
"-DXXNIX_PYTHON_SITEPACKAGES=${placeholder "out"}/${pythonPackages.python.sitePackages}"
]
++ lib.optional cudaSupport "-DBUILD_WITH_CUDA:bool=true";
# ensure python package contains its __init__.py. for some reason the install
# script does not do this, and it's questionable if intel knows it should be
# done
# ( https://github.com/IntelRealSense/meta-intel-realsense/issues/20 )
postInstall = ''
substituteInPlace $out/lib/cmake/realsense2/realsense2Targets.cmake \
--replace-fail "\''${_IMPORT_PREFIX}/include" "$dev/include"
''
+ lib.optionalString enablePython ''
cp ../wrappers/python/pyrealsense2/__init__.py $out/${pythonPackages.python.sitePackages}/pyrealsense2
'';
meta = with lib; {
description = "Cross-platform library for Intel® RealSense depth cameras (D400 series and the SR300)";
homepage = "https://github.com/IntelRealSense/librealsense";
license = licenses.asl20;
maintainers = with maintainers; [
brian-dawn
pbsds
];
platforms = platforms.unix;
};
}