mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-05 09:50:41 +01:00
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
|
// Copyright (C) 2007-2012 Nikolaus Gebhardt
|
||
|
|
// This file is part of the "Irrlicht Engine".
|
||
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
||
|
|
|
||
|
|
// include this file right before the data structures to be 1-aligned
|
||
|
|
// and add to each structure the PACK_STRUCT define just like this:
|
||
|
|
// struct mystruct
|
||
|
|
// {
|
||
|
|
// ...
|
||
|
|
// } PACK_STRUCT;
|
||
|
|
// Always include the irrunpack.h file right after the last type declared
|
||
|
|
// like this, and do not put any other types with different alignment
|
||
|
|
// in between!
|
||
|
|
|
||
|
|
// byte-align structures
|
||
|
|
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
|
||
|
|
# pragma warning(disable: 4103)
|
||
|
|
# pragma pack( push, packing )
|
||
|
|
# pragma pack( 1 )
|
||
|
|
# define PACK_STRUCT
|
||
|
|
#elif defined( __DMC__ )
|
||
|
|
# pragma pack( push, 1 )
|
||
|
|
# define PACK_STRUCT
|
||
|
|
#elif defined( __GNUC__ )
|
||
|
|
// Using pragma pack might work with earlier gcc versions already, but
|
||
|
|
// it started to be necessary with gcc 4.7 on mingw unless compiled with -mno-ms-bitfields.
|
||
|
|
// And I found some hints on the web that older gcc versions on the other hand had sometimes
|
||
|
|
// trouble with pragma pack while they worked with __attribute__((packed)).
|
||
|
|
# if (__GNUC__ > 4 ) || ((__GNUC__ == 4 ) && (__GNUC_MINOR__ >= 7))
|
||
|
|
# pragma pack( push, packing )
|
||
|
|
# pragma pack( 1 )
|
||
|
|
# define PACK_STRUCT
|
||
|
|
# else
|
||
|
|
# define PACK_STRUCT __attribute__((packed))
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
# error compiler not supported
|
||
|
|
#endif
|
||
|
|
|