#!/usr/bin/env python
# encoding: utf-8
# andersg at 0x63.nu 2007
import os
import Task, Options, Utils
from Configure import conf
from TaskGen import extension,taskgen,feature,before
xsubpp_str = '${PERL} ${XSUBPP} -noprototypes -typemap ${EXTUTILS_TYPEMAP} ${SRC} > ${TGT}'
EXT_XS = ['.xs']
@before('apply_incpaths', 'apply_type_vars', 'apply_lib_vars')
@feature('perlext')
def init_perlext(self):
self.uselib = self.to_list(getattr(self, 'uselib', ''))
if not 'PERL' in self.uselib: self.uselib.append('PERL')
if not 'PERLEXT' in self.uselib: self.uselib.append('PERLEXT')
self.env['shlib_PATTERN'] = self.env['perlext_PATTERN']
@extension(EXT_XS)
def xsubpp_file(self, node):
outnode = node.change_ext('.c')
self.create_task('xsubpp', node, outnode)
self.allnodes.append(outnode)
Task.simple_task_type('xsubpp', xsubpp_str, color='BLUE', before='cc cxx', shell=False)
@conf
def check_perl_version(conf, minver=None):
"""
Checks if perl is installed.
If installed the variable PERL will be set in environment.
Perl binary can be overridden by --with-perl-binary config variable
"""
if getattr(Options.options, 'perlbinary', None):
conf.env.PERL = Options.options.perlbinary
else:
conf.find_program('perl', var='PERL', mandatory=True)
try:
version = Utils.cmd_output([conf.env.PERL, '-e', 'printf "%vd",$^V'])
except:
conf.fatal('could not determine the perl version')
conf.env.PERL_VERSION = version
cver = ''
if minver:
try:
ver = tuple(map(int, version.split('.')))
except:
conf.fatal('unsupported perl version %r' % version)
if ver < minver:
conf.fatal('perl is too old')
cver = '.'.join(map(str,minver))
conf.check_message('perl', cver, True, version)
@conf
def check_perl_module(conf, module):
"""
Check if specified perlmodule is installed.
Minimum version can be specified by specifying it after modulename
like this:
conf.check_perl_module("Some::Module 2.92")
"""
cmd = [conf.env['PERL'], '-e', 'use %s' % module]
r = Utils.pproc.call(cmd, stdout=Utils.pproc.PIPE, stderr=Utils.pproc.PIPE) == 0
conf.check_message("perl module %s" % module, "", r)
return r
@conf
def check_perl_ext_devel(conf):
"""
Check for configuration needed to build perl extensions.
Sets different xxx_PERLEXT variables in the environment.
Also sets the ARCHDIR_PERL variable useful as installation path,
which can be overridden by --with-perl-archdir
"""
if not conf.env.PERL:
conf.fatal('perl detection is required first')
def read_out(cmd):
return Utils.to_list(Utils.cmd_output([conf.env.PERL, '-MConfig', '-e', cmd]))
conf.env.LINKFLAGS_PERLEXT = read_out('print $Config{lddlflags}')
conf.env.CPPPATH_PERLEXT = read_out('print "$Config{archlib}/CORE"')
conf.env.CCFLAGS_PERLEXT = read_out('print "$Config{ccflags} $Config{cccdlflags}"')
conf.env.XSUBPP = read_out('print "$Config{privlib}/ExtUtils/xsubpp$Config{exe_ext}"')
conf.env.EXTUTILS_TYPEMAP = read_out('print "$Config{privlib}/ExtUtils/typemap"')
conf.env.perlext_PATTERN = '%s.' + read_out('print $Config{dlext}')[0]
if getattr(Options.options, 'perlarchdir', None):
conf.env.ARCHDIR_PERL = Options.options.perlarchdir
else:
conf.env.ARCHDIR_PERL = read_out('print $Config{sitearch}')[0]
def set_options(opt):
opt.add_option("--with-perl-binary", type="string", dest="perlbinary", help = 'Specify alternate perl binary', default=None)
opt.add_option("--with-perl-archdir", type="string", dest="perlarchdir", help = 'Specify directory where to install arch specific files', default=None)
|