graphviz nix build

autotools.nix

pkgs: attrs:
  with pkgs;
  let defaultAttrs = {
        builder = "${bash}/bin/bash";
        args = [ ./builder.sh ];
        setup = ./setup.sh;
        baseInputs = [gnutar gzip gnumake gcc binutils-unwrapped coreutils gawk gnused gnugrep];
        buildInputs = [];
        system = builtins.currentSystem;
      };
      in
        derivation (defaultAttrs // attrs)

builder.sh

set -e
source $setup
genericBuild

graphviz.nix

let
  pkgs = import <nixpkgs> {};
  mkDerivation = import ./autotools.nix pkgs;
in mkDerivation {
  name = "graphviz";
  src = ./graphviz-2.38.0.tar.gz;
}

setup.sh

function join_by { local IFS="$1"; shift; echo "$*"; }

unset PATH
PATH=""
for p in $baseInputs $buildInputs; do
    export PATH=$(join_by ":" $PATH "$p/bin");
done

function unpackPhase() {
    tar -xzf $src

    for d in *; do
        if [ -d "$d" ]; then
            cd "$d"
            break
        fi
    done
}

function configurePhase() {
    ./configure --prefix=$out
}

function buildPhase() {
    make
}

function installPhase() {
    make install
}

function fixupPhase() {
    find $out -type f -exec patchelf --shrink-rpath '{}' \; -exec strip '{}' \; 2>/dev/null
}

function genericBuild() {
    unpackPhase
    configurePhase
    buildPhase
    installPhase
    fixupPhase
}