var/spack/repos/builtin/packages/libxml2/package.py


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from spack import *
import os

class Libxml2(Package):
    """Libxml2 is the XML C parser and toolkit developed for the Gnome
       project (but usable outside of the Gnome platform), it is free
       software available under the MIT License."""
    homepage = "http://xmlsoft.org"
    url      = "http://xmlsoft.org/sources/libxml2-2.9.2.tar.gz"

    version('2.9.2', '9e6a9aca9d155737868b3dc5fd82f788')

    variant('python', default=False, description='Enable Python support')

    extends('python', when='+python', ignore=r'(bin.*$)|(include.*$)|(share.*$)|(lib/libxml2.*$)|(lib/xml2.*$)|(lib/cmake.*$)')
    depends_on('zlib')
    depends_on('xz')

    def install(self, spec, prefix):
        if '+python' in spec:
            site_packages_dir = os.path.join(prefix, 'lib/python%s.%s/site-packages' %(spec['python'].version[:2]))
            python_args = ["--with-python=%s" % spec['python'].prefix, "--with-python-install-dir=%s" % site_packages_dir]
        else:
            python_args = ["--without-python"]

        configure("--prefix=%s" % prefix,
                  *python_args)

        make()
        make("install")