configure

自己移植的linux下的流媒体播放器原代码,支持mms协议,支持ftp和http协议.

cat > $TMPC << EOF
int main(void) { return 0; }
EOF
  if test "$_runtime_cpudetection" = no ; then
    if test "$proc" = "athlon-xp" || test "$proc" = "athlon-4" || test "$proc" = "athlon-tbird"; then
      cc_check -march=$proc $cpuopt=$proc || proc=athlon
    fi
    if test "$proc" = "k6-3" || test "$proc" = "k6-2"; then
      cc_check -march=$proc $cpuopt=$proc  || proc=k6
    fi
    if test "$proc" = "k6"; then
      if not cc_check -march=$proc $cpuopt=$proc; then
        if cc_check -march=i586 $cpuopt=i686; then
          proc=i586-i686
        else 
          proc=i586
	fi
      fi
    fi
    if test "$proc" = "pentium4" || test "$proc" = "pentium3" || test "$proc" = "pentium2" || test "$proc" = "athlon"; then
      cc_check -march=$proc $cpuopt=$proc  || proc=i686
    fi
    if test "$proc" = "i686" || test "$proc" = "pentium-mmx"; then
      cc_check -march=$proc $cpuopt=$proc  || proc=i586
    fi
    if test "$proc" = "i586" ; then
      cc_check -march=$proc $cpuopt=$proc  || proc=i486
    fi
    if test "$proc" = "i486" ; then
      cc_check -march=$proc $cpuopt=$proc  || proc=i386
    fi
    if test "$proc" = "i386" ; then
      cc_check -march=$proc $cpuopt=$proc  || proc=error
    fi
    if test "$proc" = "error" ; then
      echores "Your $_cc does not even support \"i386\" for '-march' and '$cpuopt'."
      _mcpu=""
      _march=""
      _optimizing=""
    elif test "$proc" = "i586-i686"; then
      _march="-march=i586"
      _mcpu="$cpuopt=i686"
      _optimizing="$proc"
    else
      _march="-march=$proc"
      _mcpu="$cpuopt=$proc"
      _optimizing="$proc"
    fi
  else
    # i686 is probably the most common CPU - optimize for it
    _mcpu="$cpuopt=i686"
    # at least i486 required, for bswap instruction
    _march="-march=i486"
    cc_check $_mcpu || _mcpu=""
    cc_check $_march $_mcpu || _march=""
  fi

    ## Gabucino : --target takes effect here (hopefully...) by overwriting
    ##             autodetected mcpu/march parameters
    if test "$_target" ; then
      # TODO: it may be a good idea to check GCC and fall back in all cases
      if test "$host_arch" = "i586-i686"; then
        _march="-march=i586"
        _mcpu="$cpuopt=i686"
      else      
        _march="-march=$host_arch"
        _mcpu="$cpuopt=$host_arch"
      fi
    
      proc="$host_arch"

      case "$proc" in
        i386) iproc=386 ;;
        i486) iproc=486 ;;
        i586|k5|k6|k6-2|k6-3|pentium|pentium-mmx) iproc=586 ;;
        i686|athlon*|pentium*) iproc=686 ;;
        *) iproc=586 ;;
      esac
    fi

    echores "$proc"
    ;;

  ia64)
    _def_arch='#define ARCH_IA64 1'
    _target_arch='TARGET_ARCH_IA64 = yes'
    iproc='ia64'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    ;;

  x86_64|amd64)
    _def_arch='#define ARCH_X86_64 1'
    _target_arch='TARGET_ARCH_X86_64 = yes'
    iproc='x86_64'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    x86_exts_check
    ;;

  sparc)
    _def_arch='#define ARCH_SPARC 1'
    _target_arch='TARGET_ARCH_SPARC = yes'
    iproc='sparc'
    if sunos ; then
	echocheck "CPU type"
	karch=`uname -m`
	case "`echo $karch`" in
	    sun4) proc=v7 ;;
	    sun4c) proc=v7 ;; 
	    sun4d) proc=v8 ;;
	    sun4m) proc=v8 ;;
	    sun4u) proc=v9 _vis='yes' _def_vis='#define HAVE_VIS = yes' ;;
	    *) ;;
	esac
	echores "$proc"
    else
	proc=v8
    fi
    _march=''
    _mcpu="-mcpu=$proc"
    _optimizing="$proc"
    ;;

  sparc64)
    _def_arch='#define ARCH_SPARC 1'
    _target_arch='TARGET_ARCH_SPARC = yes'
    _vis='yes'
    _def_vis='#define HAVE_VIS = yes'
    iproc='sparc'
    proc='v9'
    _march=''
    _mcpu="-mcpu=$proc"
    _optimizing="$proc"
    ;;

  arm|armv4l|armv5tel)
    _def_arch='#define ARCH_ARMV4L 1'
    _target_arch='TARGET_ARCH_ARMV4L = yes'
    iproc='arm'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    ;;

  ppc)
    _def_arch='#define ARCH_POWERPC 1'
    _target_arch='TARGET_ARCH_POWERPC = yes'
    iproc='ppc'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    _altivec=no

    echocheck "CPU type"
    if linux && test -n "$_cpuinfo"; then
	proc=`$_cpuinfo | grep 'cpu' | cut -d ':' -f 2 | cut -d ',' -f 1 | cut -b 2- | _head 1`
	if test -n "`$_cpuinfo | grep altivec`"; then
	    _altivec=yes
	fi
    fi
    if darwin ; then
	proc=`$_cpuinfo | grep "Processor type" | cut -f 3 -d ' ' | sed 's/ppc//'`
	if [ `sysctl -n hw.vectorunit` -eq 1 ]; then
	    _altivec=yes
	elif [ "`sysctl -n hw.optional.altivec 2>/dev/null`" = 1 ]; then
	    _altivec=yes
	fi
    fi
    # only gcc 3.4 works reliably with altivec code under netbsd 
    if netbsd ; then
	case $cc_version in
	    2*|3.0*|3.1*|3.2*|3.3*)
		;;
	    *)
		if [ `sysctl -n machdep.altivec` -eq 1 ]; then
		    _altivec=yes
		fi
		;;
	esac
    fi
    if test "$_altivec" = yes; then
        echores "$proc altivec"
    else
        echores "$proc"
    fi

    echocheck "GCC & CPU optimization abilities"

    if test -n "$proc"; then
        case "$proc" in
	    601) _march='-mcpu=601' _mcpu='-mtune=601' ;;
	    603) _march='-mcpu=603' _mcpu='-mtune=603' ;;
	    603e|603ev) _march='-mcpu=603e' _mcpu='-mtune=603e' ;;
	    604|604e|604r|604ev) _march='-mcpu=604' _mcpu='-mtune=604' ;;
	    740|740/750|745/755) _march='-mcpu=740' _mcpu='-mtune=740' ;;
	    750|750CX) _march='-mcpu=750' _mcpu='-mtune=750' ;;
    	    *) ;;
        esac
	# gcc 3.1(.1) and up supports 7400 and 7450
	if test "$_cc_major" -ge "3" && test "$_cc_minor" -ge "1"; then
	    case "$proc" in
		7400*|7410*) _march='-mcpu=7400' _mcpu='-mtune=7400' ;;
		7450*|7455*) _march='-mcpu=7450' _mcpu='-mtune=7450' ;;
    		*) ;;
    	    esac
	fi
	# gcc 3.2 and up supports 970
	if test "$_cc_major" -ge "3" && test "$_cc_minor" -ge "3"; then
	    case "$proc" in
		970*) _march='-mcpu=970' _mcpu='-mtune=970' ;;
    		*) ;;
    	    esac
	fi
    fi

    if test -n "$_mcpu"; then
        _optimizing=`echo $_mcpu | cut -c 8-`
        echores "$_optimizing"
    else
        echores "none"
    fi

    ;;

  alpha)
    _def_arch='#define ARCH_ALPHA 1'
    _target_arch='TARGET_ARCH_ALPHA = yes'
    iproc='alpha'
    _march=''
    
    echocheck "CPU type"
    cat > $TMPC << EOF
int main() {
    unsigned long ver, mask;
    asm ("implver %0" : "=r" (ver));
    asm ("amask %1, %0" : "=r" (mask) : "r" (-1));
    printf("%ld-%x\n", ver, ~mask);
    return 0;
}
EOF
    $_cc -o "$TMPO" "$TMPC"
    case `"$TMPO"` in

        0-0)    proc="ev4";   cpu_understands_mvi="0";;
        1-0)    proc="ev5";   cpu_understands_mvi="0";;
        1-1)    proc="ev56";  cpu_understands_mvi="0";; 
        1-101)  proc="pca56"; cpu_understands_mvi="1";;
        2-303)  proc="ev6";   cpu_understands_mvi="1";;
        2-307)  proc="ev67";  cpu_understands_mvi="1";;
        2-1307) proc="ev68";  cpu_understands_mvi="1";;
    esac
    echores "$proc"
    
    echocheck "GCC & CPU optimization abilities"
    if test "$proc" = "ev68" ; then
      cc_check -mcpu=$proc || proc=ev67
    fi
    if test "$proc" = "ev67" ; then
      cc_check -mcpu=$proc || proc=ev6
    fi
    _mcpu="-mcpu=$proc"
    echores "$proc"
    
    _optimizing="$proc"

    echocheck "MVI instruction support in GCC"
    if test "$_cc_major" -ge "3" && test "$cpu_understands_mvi" = "1" ; then
        _def_gcc_mvi_support="#define CAN_COMPILE_ALPHA_MVI 1"
	echores "yes"
    else
	_def_gcc_mvi_support="#undef CAN_COMPILE_ALPHA_MVI"
	echores "no, GCC = `( $_cc -dumpversion ) 2>&1` (must be >= 3), CPU = $proc (must be pca56 or later)"
    fi
    ;;

  mips)
    _def_arch='#define ARCH_SGI_MIPS 1'
    _target_arch='TARGET_ARCH_SGI_MIPS = yes'
    iproc='sgi-mips'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''

    if irix ; then
	echocheck "CPU type"
	proc=`hinv -c processor | grep CPU | cut -d " " -f3`
	case "`echo $proc`" in
	    R3000) _march='-mips1' _mcpu='-mtune=r2000' ;;
	    R4000) _march='-mips3' _mcpu='-mtune=r4000' ;;
	    R4400) _march='-mips3' _mcpu='-mtune=r4400' ;;
	    R4600) _march='-mips3' _mcpu='-mtune=r4600' ;;
	    R5000) _march='-mips4' _mcpu='-mtune=r5000' ;;
	    R8000|R10000|R12000|R14000|R16000) _march='-mips4' _mcpu='-mtune=r8000' ;;
	esac
        echores "$proc"
    fi

    ;;

  hppa)
    _def_arch='#define ARCH_PA_RISC 1'
    _target_arch='TARGET_ARCH_PA_RISC = yes'
    iproc='PA-RISC'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    ;;

  s390)
    _def_arch='#define ARCH_S390 1'
    _target_arch='TARGET_ARCH_S390 = yes'
    iproc='390'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    ;;

  s390x)
    _def_arch='#define ARCH_S390X 1'
    _target_arch='TARGET_ARCH_S390X = yes'
    iproc='390x'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    ;;

  vax)
    _def_arch='#define ARCH_VAX 1'
    _target_arch='TARGET_ARCH_VAX = yes'
    iproc='vax'
    proc=''
    _march=''
    _mcpu=''
    _optimizing=''
    ;;

  *)
    echo "The architecture of your CPU ($host_arch) is not supported by this configure script"
    echo "It seems nobody has ported MPlayer to your OS or CPU type yet."
    die "unsupported architecture $host_arch"
    ;;
esac

if test "$_runtime_cpudetection" = yes ; then
  if x86; then
    _mmx=yes
    _3dnow=yes
    _3dnowex=yes
    _mmx2=yes
    _sse=yes
    _sse2=yes
    _mtrr=yes
  fi
  if ppc; then
    _altivec=yes
  fi
fi

if x86 && test "$_runtime_cpudetection" = no ; then
  extcheck() {
    if test "$1" = yes ; then
      echocheck "kernel support of $2"
      cat > $TMPC <<EOF
#include <signal.h>
void catch() { exit(1); }
int main(void){
  signal(SIGILL, catch);
  __asm__ __volatile__ ("$3":::"memory");return(0);
}
EOF

      if ( cc_check && $TMPO ) > /dev/null 2>&1 ; then
        echores "yes"
	_optimizing="$_optimizing $2"
        return 0
      else
        echores "failed"
        echo "It seems that your kernel does not correctly support $2."
        echo "To use $2 extensions in MPlayer, you have to upgrade/recompile your kernel!"
	return 1
      fi
    fi
    return 0
  }

  extcheck $_mmx "mmx" "emms" || _mmx=no
  extcheck $_mmx2 "mmx2" "sfence" || _mmx2=no
  extcheck $_3dnow "3dnow" "femms" || _3dnow=no
  extcheck $_3dnowex "3dnowex" "pswapd %%mm0, %%mm0" || _3dnowex=no
  extcheck $_sse "sse" "xorps %%xmm0, %%xmm0" || _sse=no _gcc3_ext="$_gcc3_ext -mno-sse"
  extcheck $_sse2 "sse2" "xorpd %%xmm0, %%xmm0" || _sse2=no _gcc3_ext="$_gcc3_ext -mno-sse2"
  echocheck "mtrr support"
  echores "$_mtrr"

  if test "$_mtrr" = yes ; then
    _optimizing="$_optimizing mtrr"
  fi

  if test "$_gcc3_ext" != ""; then
    # if we had to disable sse/sse2 because the active kernel does not
    # support this instruction set extension, we also have to tell
    # gcc3 to not generate sse/sse2 instructions for normal C code
    cat > $TMPC << EOF
int main(void) { return 0; }
EOF
    cc_check $_march $_gcc3_ext && _march="$_march $_gcc3_ext"
  fi

fi

echocheck "assembler support of -pipe option"
cat > $TMPC << EOF