old_contents: ##############################################################################
  # Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/spack/spack
  # Please also see the NOTICE and LICENSE files for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class Wcslib(AutotoolsPackage):
      """WCSLIB a C implementation of the coordinate transformations
      defined in the FITS WCS papers."""
  
      homepage = "http://www.atnf.csiro.au/people/mcalabre/WCS/"
      url      = "ftp://ftp.atnf.csiro.au/pub/software/wcslib/wcslib.tar.bz2"
  
      version('5.18', '67a78354be74eca4f17d3e0853d5685f')
  
new_contents: ##############################################################################
  # Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/spack/spack
  # Please also see the NOTICE and LICENSE files for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class Wcslib(AutotoolsPackage):
      """WCSLIB a C implementation of the coordinate transformations
      defined in the FITS WCS papers."""
  
      homepage = "http://www.atnf.csiro.au/people/mcalabre/WCS/wcslib/"
      url      = "ftp://ftp.atnf.csiro.au/pub/software/wcslib/wcslib-5.18.tar.bz2"
  
      version('5.18', '67a78354be74eca4f17d3e0853d5685f')
  
      variant('cfitsio', default=False, description='Include CFITSIO support')
      variant('x',       default=False, description='Use the X Window System')
  
      depends_on('gmake', type='build')
      depends_on('flex@2.5.9:', type='build')
      depends_on('cfitsio', when='+cfitsio')
      depends_on('libx11', when='+x')
  
      def configure_args(self):
          spec = self.spec
  
          # TODO: Add PGPLOT package
          args = ['--without-pgplot']
  
          if '+cfitsio' in spec:
              args.extend([
                  '--with-cfitsio',
                  '--with-cfitsiolib={0}'.format(
                      spec['cfitsio'].libs.directories[0]),
                  '--with-cfitsioinc={0}'.format(
                      spec['cfitsio'].headers.directories[0]),
              ])
          else:
              args.append('--without-cfitsio')
  
          if '+x' in spec:
              args.append('--with-x')
          else:
              args.append('--without-x')
  
          return args
  
subject: Add missing dependencies and variants to wcslib (#8603)