48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
|
# encoding: utf-8
|
||
|
|
# force_32bit.py -- force compiler to create 32-bit code
|
||
|
|
# Copyright (C) 2018 a1batross
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
|
||
|
|
try: from fwgslib import get_flags_by_compiler
|
||
|
|
except: from waflib.extras.fwgslib import get_flags_by_compiler
|
||
|
|
from waflib import Configure
|
||
|
|
|
||
|
|
# Input:
|
||
|
|
# BIT32_MANDATORY(optional) -- fail if 32bit mode not available
|
||
|
|
# Output:
|
||
|
|
# DEST_SIZEOF_VOID_P -- an integer, equals sizeof(void*) on target
|
||
|
|
|
||
|
|
@Configure.conf
|
||
|
|
def check_32bit(ctx, *k, **kw):
|
||
|
|
if not 'msg' in kw:
|
||
|
|
kw['msg'] = 'Checking if \'%s\' can target 32-bit' % ctx.env.COMPILER_CC
|
||
|
|
|
||
|
|
if not 'mandatory' in kw:
|
||
|
|
kw['mandatory'] = False
|
||
|
|
|
||
|
|
return ctx.check_cc( fragment='int main(void){int check[sizeof(void*)==4?1:-1];return 0;}', *k, **kw)
|
||
|
|
|
||
|
|
def configure(conf):
|
||
|
|
flags = ['-m32'] if not conf.env.DEST_OS == 'darwin' else ['-arch', 'i386']
|
||
|
|
|
||
|
|
if conf.check_32bit():
|
||
|
|
conf.env.DEST_SIZEOF_VOID_P = 4
|
||
|
|
elif conf.env.BIT32_MANDATORY and conf.check_32bit(msg = '...trying with additional flags', cflags = flags, linkflags = flags):
|
||
|
|
conf.env.LINKFLAGS += flags
|
||
|
|
conf.env.CXXFLAGS += flags
|
||
|
|
conf.env.CFLAGS += flags
|
||
|
|
conf.env.DEST_SIZEOF_VOID_P = 4
|
||
|
|
else:
|
||
|
|
conf.env.DEST_SIZEOF_VOID_P = 8
|
||
|
|
|
||
|
|
if conf.env.BIT32_MANDATORY:
|
||
|
|
conf.fatal('Compiler can\'t create 32-bit code!')
|