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autotools.nix

pkgs: attrs: 
  with pkgs;
  let defaultAttrs = {
    builder     = "${bash}/bin/bash";
    args        = [ ./builder.sh ];
    setup       = ./setup.sh;
    baseInputs  = [ findutils patchelf 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;
    buildInputs = with pkgs; [ gd fontconfig libjpeg bzip2 ];
  }

setup.sh

unset PATH

for p in $baseInputs $buildInputs; do
    if [ -d $p/bin ]; then
        export PATH="$p/bin${PATH:+:}$PATH"
    fi

    if [ -d $p/include ]; then 
        export NIX_CFLAGS_COMPILE="-I $p/include${NIX_CFLAGS_COMPILE:+ }$NIX_CFLAGS_COMPILE"
    fi

    if [ -d $p/lib ]; then 
        export NIX_LDFLAGS="-rpath $p/lib -L $p/lib${NIX_LDFLAGS:+ }$NIX_LDFLAGS"
    fi
done

export PATH=$PATH

function unpackPhase() {
    tar -xf $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
}