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#!/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
"""
res = True
if not getattr(Options.options, 'perlbinary', None):
perl = conf.find_program("perl", var="PERL")
if not perl:
return False
else:
perl = Options.options.perlbinary
conf.env['PERL'] = perl
version = Utils.cmd_output(perl + " -e'printf \"%vd\", $^V'")
if not version:
res = False
version = "Unknown"
elif not minver is None:
ver = tuple(map(int, version.split(".")))
if ver < minver:
res = False
if minver is None:
cver = ""
else:
cver = ".".join(map(str,minver))
conf.check_message("perl", cver, res, version)
return res
@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 option.
"""
if not conf.env['PERL']:
return False
perl = conf.env['PERL']
def read_out(cmd):
return Utils.to_list(Utils.cmd_output(perl + cmd))
conf.env["LINKFLAGS_PERLEXT"] = read_out(" -MConfig -e'print $Config{lddlflags}'")
conf.env["CPPPATH_PERLEXT"] = read_out(" -MConfig -e'print \"$Config{archlib}/CORE\"'")
conf.env["CCFLAGS_PERLEXT"] = read_out(" -MConfig -e'print \"$Config{ccflags} $Config{cccdlflags}\"'")
conf.env["XSUBPP"] = read_out(" -MConfig -e'print \"$Config{privlib}/ExtUtils/xsubpp$Config{exe_ext}\"'")
conf.env["EXTUTILS_TYPEMAP"] = read_out(" -MConfig -e'print \"$Config{privlib}/ExtUtils/typemap\"'")
if not getattr(Options.options, 'perlarchdir', None):
conf.env["ARCHDIR_PERL"] = Utils.cmd_output(perl + " -MConfig -e'print $Config{sitearch}'")
else:
conf.env["ARCHDIR_PERL"] = getattr(Options.options, 'perlarchdir')
conf.env['perlext_PATTERN'] = '%s.' + Utils.cmd_output(perl + " -MConfig -e'print $Config{dlext}'")
return True
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)
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