mirror of https://github.com/FWGS/hlsdk-xash3d
57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
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# encoding: utf-8
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# force_32bit.py -- force compiler to create 32-bit code
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# Copyright (C) 2018 a1batross
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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from fwgslib import get_flags_by_compiler
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# Input:
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# BIT32_MANDATORY(optional) -- fail if 32bit mode not available
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# BIT32_ALLOW64(optional) -- ignore all checks, just set DEST_SIZEOF_VOID_P to 8
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# Output:
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# DEST_SIZEOF_VOID_P -- an integer, equals sizeof(void*) on target
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def check_32bit(ctx, msg):
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try:
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ctx.check_cc(
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fragment='''int main( void )
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{
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int check[sizeof(void*) == 4 ? 1: -1];
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return 0;
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}''',
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msg = msg)
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except ctx.errors.ConfigurationError:
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return False
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return True
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def configure(conf):
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if getattr(conf.env, 'BIT32_ALLOW64'):
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conf.env.DEST_SIZEOF_VOID_P = 8
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else:
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if check_32bit(conf, 'Checking if \'{0}\' can target 32-bit'.format(conf.env.COMPILER_CC)):
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conf.env.DEST_SIZEOF_VOID_P = 4
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else:
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flags = ['-m32']
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# Think different.
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if(conf.env.DEST_OS == 'darwin'):
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flags = ['-arch', 'i386']
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env_stash = conf.env
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conf.env.append_value('LINKFLAGS', flags)
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conf.env.append_value('CFLAGS', flags)
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conf.env.append_value('CXXFLAGS', flags)
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if check_32bit(conf, '...trying with additional flags'):
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conf.env.DEST_SIZEOF_VOID_P = 4
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else:
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conf.env.DEST_SIZEOF_VOID_P = 8
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conf.env = env_stash
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if getattr(conf.env, 'BIT32_MANDATORY') and conf.env.DEST_SIZEOF_VOID_P == 8:
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conf.fatal('Compiler can\'t create 32-bit code!')
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