{ stdenv, lib, fetchFromGitHub, fetchpatch, ccache, cmake, ctags, swig # data, compression , bzip2, curl, hdf5, json_c, lzma, lzo, protobuf, snappy # maths , openblasCompat, eigen, nlopt, lp_solve, colpack # libraries , libarchive, libxml2 # extra support , pythonSupport ? true, pythonPackages ? null , opencvSupport ? false, opencv ? null }: assert pythonSupport -> pythonPackages != null; assert opencvSupport -> opencv != null; stdenv.mkDerivation rec { pname = "shogun"; version = "6.0.0"; name = pname + "-" + version; src = fetchFromGitHub { owner = pname + "-toolbox"; repo = pname; rev = pname + "_" + version; sha256 = "0f2zwzvn5apvwypkfkq371xp7c5bdb4g1fwqfh8c2d57ysjxhmgf"; fetchSubmodules = true; }; patches = [ (fetchpatch { name = "Fix-meta-example-parser-bug-in-parallel-builds.patch"; url = "https://github.com/shogun-toolbox/shogun/commit/ecd6a8f11ac52748e89d27c7fab7f43c1de39f05.patch"; sha256 = "1hrwwrj78sxhwcvgaz7n4kvh5y9snfcc4jf5xpgji5hjymnl311n"; }) (fetchpatch { url = "https://github.com/awild82/shogun/commit/365ce4c4c700736d2eec8ba6c975327a5ac2cd9b.patch"; sha256 = "158hqv4xzw648pmjbwrhxjp7qcppqa7kvriif87gn3zdn711c49s"; }) ]; CCACHE_DIR=".ccache"; buildInputs = with lib; [ openblasCompat bzip2 ccache cmake colpack curl ctags eigen hdf5 json_c lp_solve lzma lzo protobuf nlopt snappy swig (libarchive.dev) libxml2 ] ++ optionals (pythonSupport) (with pythonPackages; [ python ply numpy ]) ++ optional (opencvSupport) opencv; cmakeFlags = with lib; [] ++ (optional (pythonSupport) "-DPythonModular=ON") ++ (optional (opencvSupport) "-DOpenCV=ON") ; # Previous attempts to fix parallel builds (see patch above) were not entirely successful. # Sporadic build failures still exist. Dislable parallel builds for now. enableParallelBuilding = false; meta = with stdenv.lib; { description = "A toolbox which offers a wide range of efficient and unified machine learning methods"; homepage = "http://shogun-toolbox.org/"; license = licenses.gpl3; maintainers = with maintainers; [ edwtjo ]; }; }