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Use stack's nix support (#168)
* Add stack --nix support * Update README for nix shell
This commit is contained in:
Nicolas Mattia
Greg Steuck
parent
b063cccc40
commit
8e1d85b5e5
6 changed files with 98 additions and 69 deletions
11
README.md
11
README.md
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@ -108,11 +108,14 @@ After running the script to install system dependencies, build the project with
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## Build on NixOS
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`tools/userchroot.nix` expression contains definitions to open
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chroot-environment containing necessary dependencies. Type
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The `shell.nix` provides an environment containing the necessary
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dependencies. To build, run:
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$ nix-shell tools/userchroot.nix
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$ stack build --system-ghc
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$ stack --nix build
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or alternatively you can run
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$ nix-shell
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to enter the environment and build the project. Note, that it is an emulation
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of common Linux environment rather than full-featured Nix package expression.
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6
nix/src.json
Normal file
6
nix/src.json
Normal file
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@ -0,0 +1,6 @@
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{
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "729da53a147eda1a1678a313754fcda3a8791279",
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"sha256": "17l19rbhb3wdrrcyjgq34bk3p658jbldzxp9q1scdvrvz0g99psb"
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}
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26
nix/update
Executable file
26
nix/update
Executable file
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@ -0,0 +1,26 @@
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#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p bash nix curl jq
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# vim: filetype=sh
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# Updates the nixpkgs.json to the latest release
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# See https://gist.github.com/zimbatm/de5350245874361762b6a4dfe5366530
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set -euo pipefail
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cd "$(dirname "$0")" || exit 1
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branch=release-17.09
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owner=NixOS
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repo=nixpkgs
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rev=$(curl -sfL https://api.github.com/repos/$owner/$repo/git/refs/heads/$branch | jq -r .object.sha)
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url=https://github.com/$owner/$repo/archive/$rev.tar.gz
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release_sha256=$(nix-prefetch-url --unpack "$url")
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cat <<NIXPKGS | tee src.json
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{
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"owner": "$owner",
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"repo": "$repo",
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"rev": "$rev",
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"sha256": "$release_sha256"
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}
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NIXPKGS
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55
shell.nix
Normal file
55
shell.nix
Normal file
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@ -0,0 +1,55 @@
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{ghc ? null }:
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let
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# Use pinned packages
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_nixpkgs = import <nixpkgs> {};
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nixpkgs = _nixpkgs.fetchFromGitHub (_nixpkgs.lib.importJSON ./nix/src.json);
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pkgs = import nixpkgs {};
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# Either use specified GHC or use GHC 8.2.2 (which we need for LTS 11.9)
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myghc = if isNull ghc then pkgs.haskell.compiler.ghc822 else ghc;
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# Fetch tensorflow library
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tensorflow-c = pkgs.stdenv.mkDerivation {
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name = "tensorflow-c";
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src = pkgs.fetchurl {
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url = "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.8.0.tar.gz";
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sha256 = "0qzy15rc3x961cyi3bqnygrcnw4x69r28xkwhpwrv1r0gi6k73ha";
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};
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# Patch library to use our libc, libstdc++ and others
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buildCommand = ''
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. $stdenv/setup
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mkdir -pv $out
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tar -C $out -xzf $src
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chmod +w $out/lib/libtensorflow.so
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${pkgs.patchelf}/bin/patchelf --set-rpath "${pkgs.stdenv.cc.libc}/lib:${pkgs.stdenv.cc.cc.lib}/lib" $out/lib/libtensorflow.so
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chmod -w $out/lib/libtensorflow.so
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'';
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};
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# Wrapped stack executable that uses the nix-provided GHC
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stack = pkgs.stdenv.mkDerivation {
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name = "stack-system-ghc";
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builder = pkgs.writeScript "stack" ''
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source $stdenv/setup
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mkdir -p $out/bin
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makeWrapper ${pkgs.stack}/bin/stack $out/bin/stack \
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--add-flags --system-ghc
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'';
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buildInputs = [ pkgs.makeWrapper ];
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};
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in
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pkgs.haskell.lib.buildStackProject {
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ghc = myghc;
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stack = stack;
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name = "tf-env";
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buildInputs =
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[
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pkgs.snappy
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pkgs.zlib
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pkgs.protobuf3_3
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tensorflow-c
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stack
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];
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}
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@ -29,3 +29,7 @@ extra-lib-dirs:
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- /usr/local/lib
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extra-include-dirs:
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- /usr/local/include
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nix:
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enable: false
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shell-file: shell.nix
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@ -1,65 +0,0 @@
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#
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# This script is provided by @grwlf (grwlf@gmail.com) and is supported on best
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# effort basis. TensorFlow development team does not regularly test this script
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# and can't answer any questions about it.
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#
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{ pkgs ? import <nixpkgs> {} }:
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with pkgs;
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let
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tensorflow-c = stdenv.mkDerivation {
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name = "tensorflow-c";
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src = fetchurl {
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url = "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.8.0.tar.gz";
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sha256 = "0a8e334d7c20879df9857c762472329d70cbf2f316af113d0b26f5c17209fe63";
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};
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buildCommand = ''
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. $stdenv/setup
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mkdir -pv $out
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tar -C $out -xzf $src
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'';
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};
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fhs = pkgs.buildFHSUserEnv {
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name = "fhs";
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targetPkgs = pkgs:
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with pkgs.python3Packages;
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with pkgs.haskellPackages;
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with pkgs;
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assert stack.version >= "1.4";
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assert ghc.version >= "8";
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[
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snappy
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snappy.dev
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protobuf3_2
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stack
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ghc
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iana-etc
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pkgs.zlib
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pkgs.zlib.dev
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tensorflow-c
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gcc
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gdb
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];
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runScript = "bash";
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profile = ''
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export USE_CCACHE=1
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export LIBRARY_PATH=/usr/lib64
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export LD_LIBRARY_PATH=$(pwd):/usr/lib64
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export ACLOCAL_PATH=/usr/share/aclocal
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export LANG=C
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export LC_ALL=en_US.utf-8
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export PATH="$HOME/.local/bin:$PATH"
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'';
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};
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in
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stdenv.mkDerivation {
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name = fhs.name + "-env";
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nativeBuildInputs = [ fhs ];
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shellHook = "exec fhs";
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}
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