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New configure-based build system. Still work in progress, but much improved

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401365
This commit is contained in:
Sam Lantinga 2006-02-16 10:11:48 +00:00
parent 1507846225
commit d3805eef09
453 changed files with 3534 additions and 6707 deletions
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41
src/cpuinfo/SDL_cpuinfo.c
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@ -22,16 +22,15 @@
/* CPU feature detection for SDL */
#ifdef unix /* FIXME: Better setjmp detection? */
#define USE_SETJMP
#include "SDL.h"
#include "SDL_cpuinfo.h"
#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
#include <signal.h>
#include <setjmp.h>
#endif
#include "SDL.h"
#include "SDL_cpuinfo.h"
#ifdef MACOSX
#if MACOSX
#include <sys/sysctl.h> /* For AltiVec check */
#endif
@ -44,7 +43,7 @@
#define CPU_HAS_SSE2 0x00000080
#define CPU_HAS_ALTIVEC 0x00000100
#if defined(USE_SETJMP) && defined(GCC_ALTIVEC)
#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
/* This is the brute force way of detecting instruction sets...
the idea is borrowed from the libmpeg2 library - thanks!
*/
@ -53,7 +52,7 @@ static void illegal_instruction(int sig)
{
longjmp(jmpbuf, 1);
}
#endif // USE_SETJMP
#endif /* HAVE_SETJMP */
static __inline__ int CPU_haveCPUID()
{
@ -112,18 +111,18 @@ CPUid by definition. But it's nice to be able to prove it. :) */
done:
}
#elif defined(__sun) && defined(__x86)
__asm (
__asm (
" pushfl \n"
" popl %eax \n"
" movl %eax,%ecx \n"
" xorl $0x200000,%eax \n"
" pushl %eax \n"
" popfl \n"
" pushfl \n"
" popl %eax \n"
" xorl %ecx,%eax \n"
" jz 1f \n"
" movl $1,-8(%ebp) \n"
" popl %eax \n"
" movl %eax,%ecx \n"
" xorl $0x200000,%eax \n"
" pushl %eax \n"
" popfl \n"
" pushfl \n"
" popl %eax \n"
" xorl %ecx,%eax \n"
" jz 1f \n"
" movl $1,-8(%ebp) \n"
"1: \n"
);
#elif defined(__sun) && defined(__amd64)
@ -308,14 +307,14 @@ static __inline__ int CPU_haveSSE2()
static __inline__ int CPU_haveAltiVec()
{
volatile int altivec = 0;
#ifdef MACOSX
#if MACOSX
int selectors[2] = { CTL_HW, HW_VECTORUNIT };
int hasVectorUnit = 0;
size_t length = sizeof(hasVectorUnit);
int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
if( 0 == error )
altivec = (hasVectorUnit != 0);
#elif defined(USE_SETJMP) && defined(GCC_ALTIVEC)
#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
void (*handler)(int sig);
handler = signal(SIGILL, illegal_instruction);
if ( setjmp(jmpbuf) == 0 ) {