From e8c27ced28d416cbd5067a0ae618d980ecd90c8e Mon Sep 17 00:00:00 2001 From: "Ryan C. Gordon" Date: Thu, 8 Sep 2005 06:49:20 +0000 Subject: [PATCH] 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 --- include/SDL_byteorder.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/include/SDL_byteorder.h b/include/SDL_byteorder.h index e62d2ef39..b181dc8a1 100644 --- a/include/SDL_byteorder.h +++ b/include/SDL_byteorder.h @@ -34,6 +34,16 @@ static char rcsid = #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 @@ static char rcsid = #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 @@ static char rcsid = #define SDL_BYTEORDER SDL_BIG_ENDIAN #endif +#endif /* __linux__ */ + #endif /* _SDL_byteorder_h */