old_contents: from spack import *
  
  class Silo(Package):
      """Silo is a library for reading and writing a wide variety of scientific
         data to binary, disk files."""
  
      homepage = "http://wci.llnl.gov/simulation/computer-codes/silo"
      base_url = "https://wci.llnl.gov/content/assets/docs/simulation/computer-codes/silo"
  
      version('4.10.2', '9ceac777a2f2469ac8cef40f4fab49c8')
      version('4.9', 'a83eda4f06761a86726e918fc55e782a')
      version('4.8', 'b1cbc0e7ec435eb656dc4b53a23663c9')
  
      variant('fortran', default=True, description='Enable Fortran support')
      variant('silex', default=False, description='Builds Silex, a GUI for viewing Silo files')
  
      depends_on('hdf5')
      depends_on('qt', when='+silex')
  
      def install(self, spec, prefix):
          config_args = [
              '--enable-fortran' if '+fortran' in spec else '--disable-fortran',
              '--enable-silex' if '+silex' in spec else '--disable-silex',
          ]
  
          if '+silex' in spec:
              config_args.append('--with-Qt-dir=%s' % spec['qt'].prefix)
  
          configure(
              '--prefix=%s' % prefix,
              '--with-hdf5=%s,%s' % (spec['hdf5'].prefix.include, spec['hdf5'].prefix.lib),
              '--with-zlib=%s,%s' % (spec['zlib'].prefix.include, spec['zlib'].prefix.lib),
              *config_args)
  
          make()
          make('install')
  
      def url_for_version(self, version):
          return '%s/silo-%s/silo-%s.tar.gz' % (Silo.base_url, version, version)
  
new_contents: from spack import *
  
  
  class Silo(Package):
      """Silo is a library for reading and writing a wide variety of scientific
         data to binary, disk files."""
  
      homepage = "http://wci.llnl.gov/simulation/computer-codes/silo"
      base_url = "https://wci.llnl.gov/content/assets/docs/simulation/computer-codes/silo"
  
      version('4.10.2', '9ceac777a2f2469ac8cef40f4fab49c8')
      version('4.9', 'a83eda4f06761a86726e918fc55e782a')
      version('4.8', 'b1cbc0e7ec435eb656dc4b53a23663c9')
  
      variant('fortran', default=True, description='Enable Fortran support')
      variant('silex', default=False, description='Builds Silex, a GUI for viewing Silo files')
  
      depends_on('hdf5')
      depends_on('qt', when='+silex')
  
      def install(self, spec, prefix):
          config_args = [
              '--enable-fortran' if '+fortran' in spec else '--disable-fortran',
              '--enable-silex' if '+silex' in spec else '--disable-silex',
          ]
  
          if '+silex' in spec:
              config_args.append('--with-Qt-dir=%s' % spec['qt'].prefix)
  
          configure(
              '--prefix=%s' % prefix,
              '--with-hdf5=%s,%s' % (spec['hdf5'].prefix.include, spec['hdf5'].prefix.lib),
              '--with-zlib=%s,%s' % (spec['zlib'].prefix.include, spec['zlib'].prefix.lib),
              '--enable-install-lite-headers',
              *config_args)
  
          make()
          make('install')
  
      def url_for_version(self, version):
          return '%s/silo-%s/silo-%s.tar.gz' % (Silo.base_url, version, version)
  
subject: Install lite pdb headers