healpix.rb

require 'formula'

class Healpix < Formula
  homepage 'http://healpix.jpl.nasa.gov/'
  url 'https://downloads.sourceforge.net/project/healpix/Healpix_3.11/Healpix_3.11_2013Apr24.tar.gz'
  sha1 'f7d6a18ca6aad9fe85a66eca36d7a1f0ef783e95'
  version '3.11'

  depends_on 'cfitsio'
  depends_on 'autoconf' => :build
  depends_on 'automake' => :build
  depends_on 'libtool' => :build
  depends_on 'pkg-config' => :build

  def install
    configure_args = %W[--disable-dependency-tracking --prefix=#{prefix}]
    cd "src/C/autotools" do
      system "autoreconf", "--install"
      system "./configure", *configure_args
      system "make", "install"
    end

    ENV.append_to_cflags "-DENABLE_FITSIO"
    cd "src/cxx/autotools" do
      system "echo \"AUTOMAKE_OPTIONS = subdir-objects\" >> Makefile.am"
      system "autoreconf", "--install"
      system "./configure", *configure_args
      system "make", "install"
    end
  end
end