diff options
Diffstat (limited to 'pkgs/development/python-modules/tensorflow/bin.nix')
| -rw-r--r-- | pkgs/development/python-modules/tensorflow/bin.nix | 56 |
1 files changed, 45 insertions, 11 deletions
diff --git a/pkgs/development/python-modules/tensorflow/bin.nix b/pkgs/development/python-modules/tensorflow/bin.nix index c9b89ff7616a..9c6b84e8c7ac 100644 --- a/pkgs/development/python-modules/tensorflow/bin.nix +++ b/pkgs/development/python-modules/tensorflow/bin.nix @@ -2,7 +2,7 @@ , lib , fetchurl , buildPythonPackage -, isPy3k, isPy36, pythonOlder +, isPy3k, isPy35, isPy36, pythonOlder , numpy , six , protobuf @@ -12,20 +12,40 @@ , enum34 , tensorflow-tensorboard , cudaSupport ? false +, cudatoolkit ? null +, cudnn ? null +, nvidia_x11 ? null +, zlib +, python +, symlinkJoin }: -# tensorflow is built from a downloaded wheel because the source -# build doesn't yet work on Darwin. +# We keep this binary build for two reasons: +# - the source build doesn't work on Darwin. +# - the source build is currently brittle and not easy to maintain -buildPythonPackage rec { +assert cudaSupport -> cudatoolkit != null + && cudnn != null + && nvidia_x11 != null; +let + cudatoolkit_joined = symlinkJoin { + name = "unsplit_cudatoolkit"; + paths = [ cudatoolkit.out + cudatoolkit.lib ];}; + +in buildPythonPackage rec { pname = "tensorflow"; - version = "1.5.0"; + version = "1.7.1"; format = "wheel"; - src = fetchurl { - url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-${version}-py3-none-any.whl"; - sha256 = "1mapv45n9wmgcq3i3im0pv0gmhwkxw5z69nsnxb1gfxbj1mz5h9m"; - }; + src = let + pyVerNoDot = lib.strings.stringAsChars (x: if x == "." then "" else x) "${python.majorVersion}"; + version = if stdenv.isDarwin then builtins.substring 0 1 pyVerNoDot else pyVerNoDot; + platform = if stdenv.isDarwin then "mac" else "linux"; + unit = if cudaSupport then "gpu" else "cpu"; + key = "${platform}_py_${version}_${unit}"; + dls = import ./tf1.7.1-hashes.nix; + in fetchurl dls.${key}; propagatedBuildInputs = [ numpy six protobuf absl-py ] ++ lib.optional (!isPy3k) mock @@ -38,14 +58,28 @@ buildPythonPackage rec { # bleach) Hence we disable dependency checking for now. installFlags = lib.optional isPy36 "--no-dependencies"; + # Note that we need to run *after* the fixup phase because the + # libraries are loaded at runtime. If we run in preFixup then + # patchelf --shrink-rpath will remove the cuda libraries. + postFixup = let + rpath = stdenv.lib.makeLibraryPath + ([ stdenv.cc.cc.lib zlib ] ++ lib.optionals cudaSupport [ cudatoolkit_joined cudnn nvidia_x11 ]); + in + lib.optionalString (stdenv.isLinux) '' + rrPath="$out/${python.sitePackages}/tensorflow/:${rpath}" + internalLibPath="$out/${python.sitePackages}/tensorflow/python/_pywrap_tensorflow_internal.so" + find $out -name '*.${stdenv.hostPlatform.extensions.sharedLibrary}' -exec patchelf --set-rpath "$rrPath" {} \; + ''; + + meta = with stdenv.lib; { description = "Computation using data flow graphs for scalable machine learning"; homepage = http://tensorflow.org; license = licenses.asl20; maintainers = with maintainers; [ jyp abbradar ]; - platforms = platforms.darwin; + platforms = with platforms; linux ++ lib.optionals (!cudaSupport) darwin; # Python 2.7 build uses different string encoding. # See https://github.com/NixOS/nixpkgs/pull/37044#issuecomment-373452253 - broken = cudaSupport || !isPy3k; + broken = stdenv.isDarwin && !isPy3k; }; } |