test/testplatform.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 21 Sep 2009 09:18:42 +0000
branchSDL-1.2
changeset 4215 d83830711a5b
parent 4164 7a4c511c980a
child 5637 d39fe8e7d26a
permissions -rw-r--r--
Fixed bug #615 Scott McCreary 2008-08-21 10:48:14 PDT This patch adds support for Haiku. http://ports.haiku-files.org/browser/haikuports/trunk/media-libs/libsdl/SDL-1.2.13-haiku.diff Haiku is an open-source recreation of BeOS. It has better POSIX compliance than beOS did, and other improved features, which in some cases causes us to have to "undo" previous BeOS workarounds. Here's our port log entry for it, showing the steps to force the changes into configure and Makefile: http://ports.haiku-files.org/wiki/media-libs/libsdl/1.2.13/1 Note that this was only tried on 1.2.13 stable so far. Haiku is using a newer config.guess / config.sub that doesn't yet seem to be in the released libtool, so we are having to copy it in for now. http://haiku-files.org/files/optional-packages/
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#include <stdio.h>
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#include "SDL.h"
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#include "SDL_endian.h"
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#include "SDL_cpuinfo.h"
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/*
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 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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 *  compare them directly, so we push it through a function to keep the
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 *  compiler quiet.  --ryan.
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 */
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static int badsize(size_t sizeoftype, size_t hardcodetype)
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{
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    return sizeoftype != hardcodetype;
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}
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int TestTypes(SDL_bool verbose)
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{
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	int error = 0;
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	if ( badsize(sizeof(Uint8), 1) ) {
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		if ( verbose )
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			printf("sizeof(Uint8) != 1, instead = %ul\n",
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								sizeof(Uint8));
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		++error;
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	}
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	if ( badsize(sizeof(Uint16), 2) ) {
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		if ( verbose )
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			printf("sizeof(Uint16) != 2, instead = %ul\n",
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								sizeof(Uint16));
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		++error;
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	}
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	if ( badsize(sizeof(Uint32), 4) ) {
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		if ( verbose )
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			printf("sizeof(Uint32) != 4, instead = %ul\n",
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								sizeof(Uint32));
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		++error;
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	}
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#ifdef SDL_HAS_64BIT_TYPE
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	if ( badsize(sizeof(Uint64), 8) ) {
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		if ( verbose )
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			printf("sizeof(Uint64) != 8, instead = %ul\n",
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								sizeof(Uint64));
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		++error;
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	}
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#else
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	if ( verbose ) {
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		printf("WARNING: No 64-bit datatype on this platform\n");
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	}
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#endif
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	if ( verbose && !error )
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		printf("All data types are the expected size.\n");
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	return( error ? 1 : 0 );
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}
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int TestEndian(SDL_bool verbose)
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{
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	int error = 0;
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	Uint16 value = 0x1234;
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	int real_byteorder;
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	Uint16 value16 = 0xCDAB;
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	Uint16 swapped16 = 0xABCD;
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	Uint32 value32 = 0xEFBEADDE;
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	Uint32 swapped32 = 0xDEADBEEF;
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#ifdef SDL_HAS_64BIT_TYPE
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	Uint64 value64, swapped64;
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	value64 = 0xEFBEADDE;
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	value64 <<= 32;
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	value64 |= 0xCDAB3412;
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	swapped64 = 0x1234ABCD;
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	swapped64 <<= 32;
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	swapped64 |= 0xDEADBEEF;
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#endif
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	if ( verbose ) {
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		printf("Detected a %s endian machine.\n",
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			(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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	}
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	if ( (*((char *)&value) >> 4) == 0x1 ) {
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		real_byteorder = SDL_BIG_ENDIAN;
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	} else {
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		real_byteorder = SDL_LIL_ENDIAN;
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	}
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	if ( real_byteorder != SDL_BYTEORDER ) {
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		if ( verbose ) {
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			printf("Actually a %s endian machine!\n",
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				(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
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		}
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		++error;
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	}
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	if ( verbose ) {
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		printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16));
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	}
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	if ( SDL_Swap16(value16) != swapped16 ) {
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		if ( verbose ) {
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			printf("16 bit value swapped incorrectly!\n");
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		}
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		++error;
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	}
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	if ( verbose ) {
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		printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32));
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	}
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	if ( SDL_Swap32(value32) != swapped32 ) {
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		if ( verbose ) {
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			printf("32 bit value swapped incorrectly!\n");
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		}
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		++error;
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	}
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#ifdef SDL_HAS_64BIT_TYPE
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	if ( verbose ) {
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#ifdef _MSC_VER
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		printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64, SDL_Swap64(value64));
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#else
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		printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64));
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#endif
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	}
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	if ( SDL_Swap64(value64) != swapped64 ) {
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		if ( verbose ) {
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			printf("64 bit value swapped incorrectly!\n");
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		}
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		++error;
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	}
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#endif
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	return( error ? 1 : 0 );
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}
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int TestCPUInfo(SDL_bool verbose)
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{
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	if ( verbose ) {
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		printf("RDTSC %s\n", SDL_HasRDTSC() ? "detected" : "not detected");
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		printf("MMX %s\n", SDL_HasMMX() ? "detected" : "not detected");
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		printf("MMX Ext %s\n", SDL_HasMMXExt() ? "detected" : "not detected");
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		printf("3DNow %s\n", SDL_Has3DNow() ? "detected" : "not detected");
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		printf("3DNow Ext %s\n", SDL_Has3DNowExt() ? "detected" : "not detected");
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		printf("SSE %s\n", SDL_HasSSE() ? "detected" : "not detected");
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		printf("SSE2 %s\n", SDL_HasSSE2() ? "detected" : "not detected");
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		printf("AltiVec %s\n", SDL_HasAltiVec() ? "detected" : "not detected");
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	}
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	return(0);
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}
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int main(int argc, char *argv[])
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{
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	SDL_bool verbose = SDL_TRUE;
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	int status = 0;
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	if ( argv[1] && (SDL_strcmp(argv[1], "-q") == 0) ) {
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		verbose = SDL_FALSE;
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	}
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	if ( verbose ) {
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		printf("This system is running %s\n",
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#if __AIX__
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			"AIX"
4215
d83830711a5b Fixed bug #615
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#elif __HAIKU__
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/* Haiku must appear here before BeOS, since it also defines __BEOS__ */
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			"Haiku"
1421
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#elif __BEOS__
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			"BeOS"
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#elif __BSDI__
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			"BSDI"
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#elif __DREAMCAST__
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			"Dreamcast"
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#elif __FREEBSD__
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			"FreeBSD"
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#elif __HPUX__
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			"HP-UX"
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#elif __IRIX__
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			"Irix"
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#elif __LINUX__
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			"Linux"
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#elif __MINT__
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			"Atari MiNT"
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#elif __MACOS__
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			"MacOS Classic"
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#elif __MACOSX__
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			"Mac OS X"
1421
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#elif __NETBSD__
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			"NetBSD"
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#elif __OPENBSD__
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			"OpenBSD"
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#elif __OS2__
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			"OS/2"
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#elif __OSF__
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			"OSF/1"
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#elif __QNXNTO__
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			"QNX Neutrino"
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#elif __RISCOS__
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			"RISC OS"
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#elif __SOLARIS__
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			"Solaris"
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#elif __WIN32__
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#ifdef _WIN32_WCE
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			"Windows CE"
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#else
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			"Windows"
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#endif
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#else
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			"an unknown operating system! (see SDL_platform.h)"
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#endif
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		);
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	}
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	status += TestTypes(verbose);
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	status += TestEndian(verbose);
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	status += TestCPUInfo(verbose);
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	return status;
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}