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comparison configure.in @ 795:275708f2e838

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Check for altivec assembly support before trying to use it. :)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 29 Jan 2004 16:15:12 +0000
parents 7da6da0cb7cf
children 3c609d54f100
comparison
equal deleted inserted replaced
794:a5defa3b93e1 795:275708f2e838
1721 JOYSTICK_DRIVERS="$JOYSTICK_DRIVERS bsd/libjoystick_bsd.la" 1721 JOYSTICK_DRIVERS="$JOYSTICK_DRIVERS bsd/libjoystick_bsd.la"
1722 fi 1722 fi
1723 fi 1723 fi
1724 } 1724 }
1725 1725
1726 dnl Check for altivec instruction support using gas syntax
1727 CheckAltivec()
1728 {
1729 AC_MSG_CHECKING(for GCC Altivec instruction support)
1730 have_gcc_altivec=no
1731 AC_TRY_COMPILE([
1732 ],[
1733 asm volatile ("mtspr 256, %0\n\t"
1734 "vand %%v0, %%v0, %%v0"
1735 :
1736 : "r" (-1));
1737 ],[
1738 have_gcc_altivec=yes
1739 ])
1740 if test x$have_gcc_altivec = xyes; then
1741 CFLAGS="$CFLAGS -DGCC_ALTIVEC"
1742 fi
1743 AC_MSG_RESULT($have_gcc_altivec)
1744 }
1745
1726 case "$target" in 1746 case "$target" in
1727 *-*-linux*|*-*-gnu*|*-*-k*bsd*-gnu) 1747 *-*-linux*|*-*-gnu*|*-*-k*bsd*-gnu)
1728 case "$target" in 1748 case "$target" in
1729 *-*-linux*) ARCH=linux ;; 1749 *-*-linux*) ARCH=linux ;;
1730 *-*-kfreebsd*-gnu) ARCH=kfreebsd-gnu ;; 1750 *-*-kfreebsd*-gnu) ARCH=kfreebsd-gnu ;;
1731 *-*-knetbsd*-gnu) ARCH=knetbsd-gnu ;; 1751 *-*-knetbsd*-gnu) ARCH=knetbsd-gnu ;;
1732 *-*-kopenbsd*-gnu) ARCH=kopenbsd-gnu ;; 1752 *-*-kopenbsd*-gnu) ARCH=kopenbsd-gnu ;;
1733 *-*-gnu*) ARCH=gnu ;; # must be last 1753 *-*-gnu*) ARCH=gnu ;; # must be last
1734 esac 1754 esac
1735 CheckDummyVideo 1755 CheckDummyVideo
1736 CheckDiskAudio 1756 CheckDiskAudio
1737 CheckDLOPEN 1757 CheckDLOPEN
1738 CheckNASM 1758 CheckNASM
1739 CheckOSS 1759 CheckOSS
1753 CheckQtopia 1773 CheckQtopia
1754 CheckPicoGUI 1774 CheckPicoGUI
1755 CheckOpenGL 1775 CheckOpenGL
1756 CheckInputEvents 1776 CheckInputEvents
1757 CheckPTHREAD 1777 CheckPTHREAD
1778 CheckAltivec
1758 # Set up files for the main() stub 1779 # Set up files for the main() stub
1759 if test "x$video_qtopia" = "xyes"; then 1780 if test "x$video_qtopia" = "xyes"; then
1760 SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main" 1781 SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
1761 SDL_LIBS="-lSDLmain $SDL_LIBS" 1782 SDL_LIBS="-lSDLmain $SDL_LIBS"
1762 fi 1783 fi