# HG changeset patch # User Ryan C. Gordon # Date 1126162160 0 # Node ID 0f9d463bf09c43e94474c341029881818df9d4dd # Parent d16c010d5d980dc693d9bc9442c2a99e36cda825 Byte order detection fixes in SDL_endian.h ... --ryan. From: Mike Frysinger To: sdl@libsdl.org Date: Thu, 1 Sep 2005 20:25:01 -0400 Subject: [SDL] [patch] add support for arm/thumb and superh to endian find attached a patch to add support for detecting endian on superh and arm/thumb ... also, ive incorporated a patch from Fedora which will gather the correct endian on a linux host from the system endian.h instead of just trying to maintain an ever-growing list of architectures -mike diff -r d16c010d5d98 -r 0f9d463bf09c include/SDL_byteorder.h --- a/include/SDL_byteorder.h Thu Sep 08 06:43:51 2005 +0000 +++ b/include/SDL_byteorder.h Thu Sep 08 06:49:20 2005 +0000 @@ -34,6 +34,16 @@ #define SDL_LIL_ENDIAN 1234 #define SDL_BIG_ENDIAN 4321 +#ifdef __linux__ +# include +# if BYTE_ORDER == LITTLE_ENDIAN +# define SDL_BYTEORDER SDL_LIL_ENDIAN +# else +# define SDL_BYTEORDER SDL_BIG_ENDIAN +# endif + +#else + /* Pardon the mess, I'm trying to determine the endianness of this host. I'm doing it by preprocessor defines rather than some sort of configure script so that application code can use this too. The "right" way would @@ -42,7 +52,8 @@ #if (defined(__i386__) || defined(__i386)) || \ defined(__ia64__) || defined(WIN32) || \ (defined(__alpha__) || defined(__alpha)) || \ - defined(__arm__) || \ + (defined(__arm__) || defined(__thumb__)) || \ + (defined(__sh__) || defined(__sh64__)) || \ (defined(__mips__) && defined(__MIPSEL__)) || \ defined(__SYMBIAN32__) || \ defined(__x86_64__) || \ @@ -52,4 +63,6 @@ #define SDL_BYTEORDER SDL_BIG_ENDIAN #endif +#endif /* __linux__ */ + #endif /* _SDL_byteorder_h */