10 , enablePython ? false
13 stdenv.mkDerivation rec {
17 src = fetchFromGitHub {
21 sha256 = "13lg9nazj5s9a41j61vbijy04v6839i67lqd925xmxsbybf36gjc";
25 # Patch HDF5_INCLUDE_DIR -> HDF_INCLUDE_DIRS.
27 url = "https://salsa.debian.org/science-team/flann/-/raw/debian/1.9.1+dfsg-9/debian/patches/0001-Updated-fix-cmake-hdf5.patch";
28 sha256 = "yM1ONU4mu6lctttM5YcSTg8F344TNUJXwjxXLqzr5Pk=";
30 # Patch no-source library workaround that breaks on CMake > 3.11.
32 url = "https://salsa.debian.org/science-team/flann/-/raw/debian/1.9.1+dfsg-9/debian/patches/0001-src-cpp-fix-cmake-3.11-build.patch";
33 sha256 = "REsBnbe6vlrZ+iCcw43kR5wy2o6q10RM73xjW5kBsr4=";
35 ] ++ lib.optionals (!stdenv.cc.isClang) [
36 # Avoid the bundled version of LZ4 and instead use the system one.
38 url = "https://salsa.debian.org/science-team/flann/-/raw/debian/1.9.1+dfsg-9/debian/patches/0003-Use-system-version-of-liblz4.patch";
39 sha256 = "xi+GyFn9PEjLgbJeAIEmsbp7ut9G9KIBkVulyT3nfsg=";
41 # Fix LZ4 string separator issue, see: https://github.com/flann-lib/flann/pull/480
43 url = "https://github.com/flann-lib/flann/commit/25eb56ec78472bd419a121c6905095a793cf8992.patch";
44 sha256 = "qt8h576Gn8uR7+T9u9bEBIRz6e6AoTKpa1JfdZVvW9s=";
46 ] ++ lib.optionals stdenv.cc.isClang [
47 # Fix build with Clang 16.
49 url = "https://github.com/flann-lib/flann/commit/be80cefa69b314a3d9e1ab971715e84145863ebb.patch";
50 hash = "sha256-4SUKzQCm0Sx8N43Z6ShuMbgbbe7q8b2Ibk3WgkB0qa4=";
55 "-DBUILD_EXAMPLES:BOOL=OFF"
56 "-DBUILD_TESTS:BOOL=OFF"
57 "-DBUILD_MATLAB_BINDINGS:BOOL=OFF"
58 "-DBUILD_PYTHON_BINDINGS:BOOL=${if enablePython then "ON" else "OFF"}"
67 # lz4 unbundling broken for llvm, use internal version
68 propagatedBuildInputs = lib.optional (!stdenv.cc.isClang) lz4;
70 buildInputs = lib.optionals enablePython [ python3 ];
73 homepage = "https://github.com/flann-lib/flann";
74 license = lib.licenses.bsd3;
75 description = "Fast approximate nearest neighbor searches in high dimensional spaces";
77 platforms = with lib.platforms; linux ++ darwin;