nixpkgs/pkgs/development/libraries/libtensorflow/default.nix
Daniël de Kok 35349b17cf libtensorflow: add pkgconfig file
Some software that depends on libtensorflow (e.g. the Tensorflow Rust
bindings) expect tensorflow.pc to be available. This change adds a
pkgconfig file.
2018-10-20 09:49:53 +02:00

81 lines
2.7 KiB
Nix

{ stdenv
, fetchurl
, patchelf
, cudaSupport ? false, symlinkJoin, cudatoolkit, cudnn, nvidia_x11
}:
with stdenv.lib;
let
tfType = if cudaSupport then "gpu" else "cpu";
system =
if stdenv.isx86_64
then if stdenv.isLinux then "linux-x86_64"
else if stdenv.isDarwin then "darwin-x86_64" else unavailable
else unavailable;
unavailable = throw "libtensorflow is not available for this platform!";
cudatoolkit_joined = symlinkJoin {
name = "unsplit_cudatoolkit";
paths = [ cudatoolkit.out
cudatoolkit.lib ];};
rpath = makeLibraryPath ([stdenv.cc.libc stdenv.cc.cc.lib] ++
optionals cudaSupport [ cudatoolkit_joined cudnn nvidia_x11 ]);
patchLibs =
if stdenv.isDarwin
then ''
install_name_tool -id $out/lib/libtensorflow.so $out/lib/libtensorflow.so
install_name_tool -id $out/lib/libtensorflow_framework.so $out/lib/libtensorflow_framework.so
''
else ''
${patchelf}/bin/patchelf --set-rpath "${rpath}:$out/lib" $out/lib/libtensorflow.so
${patchelf}/bin/patchelf --set-rpath "${rpath}" $out/lib/libtensorflow_framework.so
'';
in stdenv.mkDerivation rec {
pname = "libtensorflow";
version = "1.9.0";
name = "${pname}-${version}";
src = fetchurl {
url = "https://storage.googleapis.com/tensorflow/${pname}/${pname}-${tfType}-${system}-${version}.tar.gz";
sha256 =
if system == "linux-x86_64" then
if cudaSupport
then "1q3mh06x344im25z7r3vgrfksfdsi8fh8ldn6y2mf86h4d11yxc3"
else "0l9ps115ng5ffzdwphlqmj3jhidps2v5afppdzrbpzmy41xz0z21"
else if system == "darwin-x86_64" then
if cudaSupport
then unavailable
else "1qj0v1706w6mczycdsh38h2glyv5d25v62kdn98wxd5rw8f9v657"
else unavailable;
};
# Patch library to use our libc, libstdc++ and others
buildCommand = ''
. $stdenv/setup
mkdir -pv $out
tar -C $out -xzf $src
chmod +w $out/lib/libtensorflow.so
chmod +w $out/lib/libtensorflow_framework.so
${patchLibs}
chmod -w $out/lib/libtensorflow.so
chmod -w $out/lib/libtensorflow_framework.so
# Write pkgconfig 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/versions/master/install/install_c;
license = licenses.asl20;
platforms = with platforms; linux ++ darwin;
maintainers = [maintainers.basvandijk];
};
}