mirror of
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164 lines
4.5 KiB
Python
164 lines
4.5 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# andersg at 0x63.nu 2007
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# Thomas Nagy 2010 (ita)
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"""
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Support for Perl extensions. A C/C++ compiler is required::
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def options(opt):
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opt.load('compiler_c perl')
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def configure(conf):
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conf.load('compiler_c perl')
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conf.check_perl_version((5,6,0))
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conf.check_perl_ext_devel()
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conf.check_perl_module('Cairo')
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conf.check_perl_module('Devel::PPPort 4.89')
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def build(bld):
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bld(
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features = 'c cshlib perlext',
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source = 'Mytest.xs',
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target = 'Mytest',
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install_path = '${ARCHDIR_PERL}/auto')
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bld.install_files('${ARCHDIR_PERL}', 'Mytest.pm')
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"""
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import os
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from waflib import Task, Options, Utils
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from waflib.Configure import conf
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from waflib.TaskGen import extension, feature, before_method
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@before_method('apply_incpaths', 'apply_link', 'propagate_uselib_vars')
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@feature('perlext')
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def init_perlext(self):
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"""
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Change the values of *cshlib_PATTERN* and *cxxshlib_PATTERN* to remove the
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*lib* prefix from library names.
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"""
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self.uselib = self.to_list(getattr(self, 'uselib', []))
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if not 'PERLEXT' in self.uselib: self.uselib.append('PERLEXT')
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self.env['cshlib_PATTERN'] = self.env['cxxshlib_PATTERN'] = self.env['perlext_PATTERN']
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@extension('.xs')
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def xsubpp_file(self, node):
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"""
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Create :py:class:`waflib.Tools.perl.xsubpp` tasks to process *.xs* files
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"""
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outnode = node.change_ext('.c')
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self.create_task('xsubpp', node, outnode)
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self.source.append(outnode)
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class xsubpp(Task.Task):
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"""
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Process *.xs* files
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"""
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run_str = '${PERL} ${XSUBPP} -noprototypes -typemap ${EXTUTILS_TYPEMAP} ${SRC} > ${TGT}'
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color = 'BLUE'
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ext_out = ['.h']
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@conf
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def check_perl_version(self, minver=None):
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"""
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Check if Perl is installed, and set the variable PERL.
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minver is supposed to be a tuple
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"""
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res = True
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if minver:
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cver = '.'.join(map(str,minver))
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else:
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cver = ''
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self.start_msg('Checking for minimum perl version %s' % cver)
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perl = getattr(Options.options, 'perlbinary', None)
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if not perl:
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perl = self.find_program('perl', var='PERL')
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if not perl:
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self.end_msg("Perl not found", color="YELLOW")
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return False
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self.env['PERL'] = perl
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version = self.cmd_and_log(self.env.PERL + ["-e", 'printf \"%vd\", $^V'])
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if not version:
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res = False
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version = "Unknown"
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elif not minver is None:
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ver = tuple(map(int, version.split(".")))
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if ver < minver:
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res = False
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self.end_msg(version, color=res and "GREEN" or "YELLOW")
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return res
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@conf
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def check_perl_module(self, module):
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"""
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Check if specified perlmodule is installed.
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The minimum version can be specified by specifying it after modulename
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like this::
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def configure(conf):
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conf.check_perl_module("Some::Module 2.92")
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"""
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cmd = self.env.PERL + ['-e', 'use %s' % module]
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self.start_msg('perl module %s' % module)
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try:
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r = self.cmd_and_log(cmd)
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except Exception:
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self.end_msg(False)
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return None
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self.end_msg(r or True)
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return r
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@conf
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def check_perl_ext_devel(self):
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"""
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Check for configuration needed to build perl extensions.
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Sets different xxx_PERLEXT variables in the environment.
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Also sets the ARCHDIR_PERL variable useful as installation path,
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which can be overridden by ``--with-perl-archdir`` option.
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"""
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env = self.env
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perl = env.PERL
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if not perl:
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self.fatal('find perl first')
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def cmd_perl_config(s):
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return perl + ['-MConfig', '-e', 'print \"%s\"' % s]
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def cfg_str(cfg):
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return self.cmd_and_log(cmd_perl_config(cfg))
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def cfg_lst(cfg):
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return Utils.to_list(cfg_str(cfg))
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def find_xsubpp():
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for var in ('privlib', 'vendorlib'):
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xsubpp = cfg_lst('$Config{%s}/ExtUtils/xsubpp$Config{exe_ext}' % var)
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if xsubpp and os.path.isfile(xsubpp[0]):
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return xsubpp
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return self.find_program('xsubpp')
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env['LINKFLAGS_PERLEXT'] = cfg_lst('$Config{lddlflags}')
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env['INCLUDES_PERLEXT'] = cfg_lst('$Config{archlib}/CORE')
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env['CFLAGS_PERLEXT'] = cfg_lst('$Config{ccflags} $Config{cccdlflags}')
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env['EXTUTILS_TYPEMAP'] = cfg_lst('$Config{privlib}/ExtUtils/typemap')
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env['XSUBPP'] = find_xsubpp()
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if not getattr(Options.options, 'perlarchdir', None):
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env['ARCHDIR_PERL'] = cfg_str('$Config{sitearch}')
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else:
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env['ARCHDIR_PERL'] = getattr(Options.options, 'perlarchdir')
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env['perlext_PATTERN'] = '%s.' + cfg_str('$Config{dlext}')
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def options(opt):
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"""
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Add the ``--with-perl-archdir`` and ``--with-perl-binary`` command-line options.
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"""
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opt.add_option('--with-perl-binary', type='string', dest='perlbinary', help = 'Specify alternate perl binary', default=None)
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opt.add_option('--with-perl-archdir', type='string', dest='perlarchdir', help = 'Specify directory where to install arch specific files', default=None)
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