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Greg Jandl to SDL I did some digging, and I think I've found a better solution. By including some additional .m4 macros in the acinclude directory (http://www.gnu.org/software/autoconf-archive/ax_check_compiler_flags.html, http://www.gnu.org/software/autoconf-archive/ax_gcc_archflag.html and http://www.gnu.org/software/autoconf-archive/ax_gcc_x86_cpuid.html) then using the patch below (same as previous patch + one line change to configure.in), SDL will build correctly out of the box. The arch can then be overridden by --with-gcc-arch=<arch> (most will probably want to build with i686 there for general distribution) or --without-gcc-arch, to disable setting the arch all together. On my Atom netbook, I get -march=PentiumPro by default, which works great, as does --with-gcc-arch=i686.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 18 Jan 2011 22:40:45 -0800
parents 94dd49f6b005
children e8916fe9cfc8
line wrap: on
line source


/* Definitions for platform dependent windowing functions to test SDL
   integration with native windows
*/

#include "SDL.h"

/* This header includes all the necessary system headers for native windows */
#include "SDL_syswm.h"

typedef struct
{
    const char *tag;
    void *(*CreateNativeWindow) (int w, int h);
    void (*DestroyNativeWindow) (void *window);
} NativeWindowFactory;

#ifdef SDL_VIDEO_DRIVER_WIN32
#define TEST_NATIVE_WIN32
extern NativeWindowFactory Win32WindowFactory;
#endif

#ifdef SDL_VIDEO_DRIVER_X11
#define TEST_NATIVE_X11
extern NativeWindowFactory X11WindowFactory;
#endif

#ifdef SDL_VIDEO_DRIVER_COCOA
/* Actually, we don't really do this, since it involves adding Objective C
   support to the build system, which is a little tricky.  You can uncomment
   it manually though and link testnativecocoa.m into the test application.
*/
#if 1
#define TEST_NATIVE_COCOA
extern NativeWindowFactory CocoaWindowFactory;
#endif
#endif