#!/usr/bin/env python
# encoding: utf-8
# Alex Rønne Petersen, 2012 (alexrp/Zor)

import sys
from waflib.Tools import ar, d
from waflib.Configure import conf

@conf
def find_ldc2(conf):
	"""
	Find the program *ldc2* and set the variable *D*
	"""

	conf.find_program(['ldc2'], var='D')

	out = conf.cmd_and_log(conf.env.D + ['-version'])
	if out.find("based on DMD v2.") == -1:
		conf.fatal("detected compiler is not ldc2")

@conf
def common_flags_ldc2(conf):
	"""
	Set the D flags required by *ldc2*
	"""

	v = conf.env

	v['D_SRC_F']           = ['-c']
	v['D_TGT_F']           = '-of%s'

	v['D_LINKER']          = v['D']
	v['DLNK_SRC_F']        = ''
	v['DLNK_TGT_F']        = '-of%s'
	v['DINC_ST']           = '-I%s'

	v['DSHLIB_MARKER'] = v['DSTLIB_MARKER'] = ''
	v['DSTLIB_ST'] = v['DSHLIB_ST']         = '-L-l%s'
	v['DSTLIBPATH_ST'] = v['DLIBPATH_ST']   = '-L-L%s'

	v['LINKFLAGS_dshlib']  = ['-L-shared']

	v['DHEADER_ext']       = '.di'
	v['DFLAGS_d_with_header'] = ['-H', '-Hf']
	v['D_HDR_F']           = '%s'

	v['LINKFLAGS']     = []
	v['DFLAGS_dshlib'] = ['-relocation-model=pic']

def configure(conf):
	"""
	Configuration for *ldc2*
	"""

	conf.find_ldc2()
	conf.load('ar')
	conf.load('d')
	conf.common_flags_ldc2()
	conf.d_platform_flags()
