waf

FORK: waf with some random patches
git clone https://git.neptards.moe/neptards/waf.git
Log | Files | Refs | README

perl.py (4517B)


      1 #!/usr/bin/env python
      2 # encoding: utf-8
      3 # andersg at 0x63.nu 2007
      4 # Thomas Nagy 2016-2018 (ita)
      5 
      6 """
      7 Support for Perl extensions. A C/C++ compiler is required::
      8 
      9 	def options(opt):
     10 		opt.load('compiler_c perl')
     11 	def configure(conf):
     12 		conf.load('compiler_c perl')
     13 		conf.check_perl_version((5,6,0))
     14 		conf.check_perl_ext_devel()
     15 		conf.check_perl_module('Cairo')
     16 		conf.check_perl_module('Devel::PPPort 4.89')
     17 	def build(bld):
     18 		bld(
     19 			features     = 'c cshlib perlext',
     20 			source       = 'Mytest.xs',
     21 			target       = 'Mytest',
     22 			install_path = '${ARCHDIR_PERL}/auto')
     23 		bld.install_files('${ARCHDIR_PERL}', 'Mytest.pm')
     24 """
     25 
     26 import os
     27 from waflib import Task, Options, Utils, Errors
     28 from waflib.Configure import conf
     29 from waflib.TaskGen import extension, feature, before_method
     30 
     31 @before_method('apply_incpaths', 'apply_link', 'propagate_uselib_vars')
     32 @feature('perlext')
     33 def init_perlext(self):
     34 	"""
     35 	Change the values of *cshlib_PATTERN* and *cxxshlib_PATTERN* to remove the
     36 	*lib* prefix from library names.
     37 	"""
     38 	self.uselib = self.to_list(getattr(self, 'uselib', []))
     39 	if not 'PERLEXT' in self.uselib:
     40 		self.uselib.append('PERLEXT')
     41 	self.env.cshlib_PATTERN = self.env.cxxshlib_PATTERN = self.env.perlext_PATTERN
     42 
     43 @extension('.xs')
     44 def xsubpp_file(self, node):
     45 	"""
     46 	Create :py:class:`waflib.Tools.perl.xsubpp` tasks to process *.xs* files
     47 	"""
     48 	outnode = node.change_ext('.c')
     49 	self.create_task('xsubpp', node, outnode)
     50 	self.source.append(outnode)
     51 
     52 class xsubpp(Task.Task):
     53 	"""
     54 	Process *.xs* files
     55 	"""
     56 	run_str = '${PERL} ${XSUBPP} -noprototypes -typemap ${EXTUTILS_TYPEMAP} ${SRC} > ${TGT}'
     57 	color   = 'BLUE'
     58 	ext_out = ['.h']
     59 
     60 @conf
     61 def check_perl_version(self, minver=None):
     62 	"""
     63 	Check if Perl is installed, and set the variable PERL.
     64 	minver is supposed to be a tuple
     65 	"""
     66 	res = True
     67 	if minver:
     68 		cver = '.'.join(map(str,minver))
     69 	else:
     70 		cver = ''
     71 
     72 	self.start_msg('Checking for minimum perl version %s' % cver)
     73 
     74 	perl = self.find_program('perl', var='PERL', value=getattr(Options.options, 'perlbinary', None))
     75 	version = self.cmd_and_log(perl + ["-e", 'printf \"%vd\", $^V'])
     76 	if not version:
     77 		res = False
     78 		version = "Unknown"
     79 	elif not minver is None:
     80 		ver = tuple(map(int, version.split(".")))
     81 		if ver < minver:
     82 			res = False
     83 
     84 	self.end_msg(version, color=res and 'GREEN' or 'YELLOW')
     85 	return res
     86 
     87 @conf
     88 def check_perl_module(self, module):
     89 	"""
     90 	Check if specified perlmodule is installed.
     91 
     92 	The minimum version can be specified by specifying it after modulename
     93 	like this::
     94 
     95 		def configure(conf):
     96 			conf.check_perl_module("Some::Module 2.92")
     97 	"""
     98 	cmd = self.env.PERL + ['-e', 'use %s' % module]
     99 	self.start_msg('perl module %s' % module)
    100 	try:
    101 		r = self.cmd_and_log(cmd)
    102 	except Errors.WafError:
    103 		self.end_msg(False)
    104 		return None
    105 	self.end_msg(r or True)
    106 	return r
    107 
    108 @conf
    109 def check_perl_ext_devel(self):
    110 	"""
    111 	Check for configuration needed to build perl extensions.
    112 
    113 	Sets different xxx_PERLEXT variables in the environment.
    114 
    115 	Also sets the ARCHDIR_PERL variable useful as installation path,
    116 	which can be overridden by ``--with-perl-archdir`` option.
    117 	"""
    118 
    119 	env = self.env
    120 	perl = env.PERL
    121 	if not perl:
    122 		self.fatal('find perl first')
    123 
    124 	def cmd_perl_config(s):
    125 		return perl + ['-MConfig', '-e', 'print \"%s\"' % s]
    126 	def cfg_str(cfg):
    127 		return self.cmd_and_log(cmd_perl_config(cfg))
    128 	def cfg_lst(cfg):
    129 		return Utils.to_list(cfg_str(cfg))
    130 	def find_xsubpp():
    131 		for var in ('privlib', 'vendorlib'):
    132 			xsubpp = cfg_lst('$Config{%s}/ExtUtils/xsubpp$Config{exe_ext}' % var)
    133 			if xsubpp and os.path.isfile(xsubpp[0]):
    134 				return xsubpp
    135 		return self.find_program('xsubpp')
    136 
    137 	env.LINKFLAGS_PERLEXT = cfg_lst('$Config{lddlflags}')
    138 	env.INCLUDES_PERLEXT = cfg_lst('$Config{archlib}/CORE')
    139 	env.CFLAGS_PERLEXT = cfg_lst('$Config{ccflags} $Config{cccdlflags}')
    140 	env.EXTUTILS_TYPEMAP = cfg_lst('$Config{privlib}/ExtUtils/typemap')
    141 	env.XSUBPP = find_xsubpp()
    142 
    143 	if not getattr(Options.options, 'perlarchdir', None):
    144 		env.ARCHDIR_PERL = cfg_str('$Config{sitearch}')
    145 	else:
    146 		env.ARCHDIR_PERL = getattr(Options.options, 'perlarchdir')
    147 
    148 	env.perlext_PATTERN = '%s.' + cfg_str('$Config{dlext}')
    149 
    150 def options(opt):
    151 	"""
    152 	Add the ``--with-perl-archdir`` and ``--with-perl-binary`` command-line options.
    153 	"""
    154 	opt.add_option('--with-perl-binary', type='string', dest='perlbinary', help = 'Specify alternate perl binary', default=None)
    155 	opt.add_option('--with-perl-archdir', type='string', dest='perlarchdir', help = 'Specify directory where to install arch specific files', default=None)
    156