nixpkgs/pkgs/development/libraries/science/math/tensorflow/bin.nix
2021-01-21 19:11:02 -08:00

72 lines
2 KiB
Nix

{ lib, stdenv
, fetchurl
, addOpenGLRunpath
, cudaSupport ? false, symlinkJoin, cudatoolkit, cudnn, nvidia_x11
}:
with lib;
let
broken = !stdenv.isLinux && !stdenv.isDarwin;
tfType = if cudaSupport then "gpu" else "cpu";
system =
if stdenv.isLinux then "linux"
else "darwin";
platform = "x86_64";
rpath = makeLibraryPath ([stdenv.cc.libc stdenv.cc.cc.lib]
++ optionals cudaSupport [ cudatoolkit.out cudatoolkit.lib cudnn nvidia_x11 ]);
packages = import ./binary-hashes.nix;
patchLibs =
if stdenv.isDarwin
then ''
install_name_tool -id $out/lib/libtensorflow.dylib $out/lib/libtensorflow.dylib
install_name_tool -id $out/lib/libtensorflow_framework.dylib $out/lib/libtensorflow_framework.dylib
''
else ''
patchelf --set-rpath "${rpath}:$out/lib" $out/lib/libtensorflow.so
patchelf --set-rpath "${rpath}" $out/lib/libtensorflow_framework.so
${optionalString cudaSupport ''
addOpenGLRunpath $out/lib/libtensorflow.so $out/lib/libtensorflow_framework.so
''}
'';
in stdenv.mkDerivation rec {
pname = "libtensorflow";
inherit (packages) version;
src = fetchurl packages."${tfType}-${system}-${platform}";
nativeBuildInputs = optional cudaSupport addOpenGLRunpath;
# Patch library to use our libc, libstdc++ and others
buildCommand = ''
mkdir -pv $out
tar -C $out -xzf $src
chmod -R +w $out
${patchLibs}
# Write pkg-config file.
mkdir $out/lib/pkgconfig
cat > $out/lib/pkgconfig/tensorflow.pc << EOF
Name: TensorFlow
Version: ${version}
Description: Library for computation using data flow graphs for scalable machine learning
Requires:
Libs: -L$out/lib -ltensorflow
Cflags: -I$out/include/tensorflow
EOF
'';
meta = {
description = "C API for TensorFlow";
homepage = "https://www.tensorflow.org/install/lang_c";
license = licenses.asl20;
platforms = [ "x86_64-linux" "x86_64-darwin" ];
};
}