configure

一个用于智能手机的多媒体库适合S60 WinCE的跨平台开发库

                #ifndef FAAD2_VERSION
                ok faad1
                #endif
                int main( void ) { return 0; }
EOF
            if $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
                echo "faad2 is under GPL and --enable-gpl is not specified"
                fail="yes"
            fi
        else
            faad="no"
            faadbin="no"
            echo "faad test failed"
        fi
    fi
   

    if test "$fail" = "yes"; then
        exit 1
    fi
fi

# compute mmx state
if test $mmx = "default"; then
    if test $cpu = "x86"; then
        mmx="yes"
    else
        mmx="no"
    fi
fi

#Darwin CC versions
needmdynamicnopic="no"
if test $targetos = Darwin; then
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
	CFLAGS="$CFLAGS -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
    else
	gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
	case "$gcc_version" in
	    *2.95*) 
		CFLAGS="$CFLAGS -no-cpp-precomp -pipe -fomit-frame-pointer"
		;;
	    *3.*)
		CFLAGS="$CFLAGS -no-cpp-precomp -pipe -fomit-frame-pointer -force_cpusubtype_ALL -Wno-sign-compare"
		if test "$lshared" = no; then
		   needmdynamicnopic="yes"
		fi
		;;
	    *)
		CFLAGS="$CFLAGS -no-cpp-precomp -pipe -fomit-frame-pointer"
		if test "$lshared" = no; then
		   needmdynamicnopic="yes"
		fi
		;;
	esac
    fi
fi

# Can only do AltiVec on PowerPC
if test $altivec = "default"; then
    if test $cpu = "powerpc"; then
        altivec="yes"
    else
        altivec="no"
    fi
fi

# Add processor-specific flags
TUNECPU="generic"
if test $tune != "generic"; then
    case $tune in
	601|ppc601|PowerPC601)
	    CFLAGS="$CFLAGS -mcpu=601"
	    if test $altivec = "yes"; then
		echo "WARNING: tuning for PPC601 but altivec enabled !";
	    fi
	    TUNECPU=ppc601
	;;
	603*|ppc603*|PowerPC603*)
	    CFLAGS="$CFLAGS -mcpu=603"
	    if test $altivec = "yes"; then
		echo "WARNING: tuning for PPC603 but altivec enabled !";
	    fi
	    TUNECPU=ppc603
	;;
	604*|ppc604*|PowerPC604*)
	    CFLAGS="$CFLAGS -mcpu=604"
	    if test $altivec = "yes"; then
		echo "WARNING: tuning for PPC604 but altivec enabled !";
	    fi
	    TUNECPU=ppc604
	;;
	G3|g3|75*|ppc75*|PowerPC75*)
	    CFLAGS="$CFLAGS -mcpu=750 -mtune=750 -mpowerpc-gfxopt"
	    if test $altivec = "yes"; then
		echo "WARNING: tuning for PPC75x but altivec enabled !";
	    fi
	    TUNECPU=ppc750
	;;
	G4|g4|745*|ppc745*|PowerPC745*)
	    CFLAGS="$CFLAGS -mcpu=7450 -mtune=7450 -mpowerpc-gfxopt"
	    if test $altivec = "no"; then
		echo "WARNING: tuning for PPC745x but altivec disabled !";
	    fi
	    TUNECPU=ppc7450
	;;
	74*|ppc74*|PowerPC74*)
	    CFLAGS="$CFLAGS -mcpu=7400 -mtune=7400 -mpowerpc-gfxopt"
	    if test $altivec = "no"; then
		echo "WARNING: tuning for PPC74xx but altivec disabled !";
	    fi
	    TUNECPU=ppc7400
	;;
	G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
	    CFLAGS="$CFLAGS -mcpu=970 -mtune=970 -mpowerpc64 -force_cpusubtype_ALL "
	    if test $altivec = "no"; then
		echo "WARNING: tuning for PPC970 but altivec disabled !";
	    fi
	    TUNECPU=ppc970
	;;
	*)
	echo "WARNING: unknown CPU "$tune", ignored"
	;;
    esac
fi

# AltiVec flags: The FSF version of GCC differs from the Apple version 
if test $cpu = "powerpc"; then
    if test $altivec = "yes"; then
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
            CFLAGS="$CFLAGS -faltivec"
        else
            CFLAGS="$CFLAGS -maltivec -mabi=altivec"
        fi
    fi
fi

# See if we have <altivec.h>
cat > $TMPC << EOF
#include <altivec.h>
int main( void ) { return 0; }
EOF

_altivec_h="no"
if $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
_altivec_h="yes"
fi

# See does our compiler support Motorola AltiVec C API
if test $altivec = "yes"; then
if test $_altivec_h = "yes"; then
cat > $TMPC << EOF
#include <altivec.h>
int main(void) {
    vector signed int v1, v2, v3;
    v1 = vec_add(v2,v3);
    return 0;
}
EOF
else
cat > $TMPC << EOF
int main(void) {
    vector signed int v1, v2, v3;
    v1 = vec_add(v2,v3);
    return 0;
}
EOF
fi
$cc $CFLAGS -o $TMPE $TMPC 2> /dev/null || altivec="no"
fi

# Can only do mmi on mips
if test $mmi = "default"; then
    if test $cpu = "mips"; then
        mmi="yes"
    else
        mmi="no"
    fi
fi

# See does our compiler support mmi
if test $mmi = "yes"; then
cat > $TMPC << EOF
int main(void) {
    __asm__ ("lq \$2, 0(\$2)");
    return 0;
}
EOF
$cc -o $TMPE $TMPC 2> /dev/null || mmi="no"
fi

if test "$mingw32" = "yes" ; then
    v4l="no"
    audio_oss="no"
    dv1394="no"
    ffserver="no"
    network="no"
    LIBPREF=""
    LIBSUF=".lib"
    SLIBPREF=""
    SLIBSUF=".dll"
    EXESUF=".exe"
    prefix="/c/Program Files/FFmpeg"
    bindir="$prefix"
fi

cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
ranlib="${cross_prefix}${ranlib}"
strip="${cross_prefix}${strip}"

if test -z "$cross_prefix" ; then

# ---
# big/little endian test
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char ** argv){
	volatile uint32_t i=0x01234567;
	return (*((uint8_t*)(&i))) == 0x67;
}
EOF

if $cc -o $TMPE $TMPC 2>/dev/null ; then
$TMPE && bigendian="yes"
else
echo big/little test failed
fi

else

# if cross compiling, cannot launch a program, so make a static guess
if test "$cpu" = "powerpc" -o "$cpu" = "mips" ; then
    bigendian="yes"
fi

fi

# ---
# *inttypes.h* test
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char ** argv){
    return 0;
}
EOF

$cc -o $TMPE $TMPC 2>/dev/null || inttypes="no"

# ---
# *int_fast* test
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char ** argv){
	volatile uint_fast64_t i=0x01234567;
	return 0;
}
EOF

$cc -o $TMPE $TMPC 2>/dev/null || emu_fast_int="yes"

# ---
# check availability of some header files

cat > $TMPC << EOF
#include <malloc.h>
int main( void ) { return 0; }
EOF

_memalign=no
_malloc_h=no
if $cc -o $TMPE $TMPC 2> /dev/null ; then
_malloc_h=yes
_memalign=yes
# check for memalign - atmos
cat > $TMPC << EOF
#include <malloc.h>
int main ( void ) {
char *string = NULL;
string = memalign(64, sizeof(char));
return 0;
}
EOF
$cc -o $TMPE $TMPC 2> /dev/null || _memalign=no
fi

cat > $TMPC << EOF
#include <time.h>
int main( void ) { localtime_r(NULL, NULL); }
EOF

localtime_r=no
if $cc -o $TMPE $TMPC 2> /dev/null ; then
  localtime_r=yes
fi

if test "$zlib" = "yes"; then
# check for zlib - mmu_man
cat > $TMPC << EOF
#include <zlib.h>
int main ( void ) {
if (zlibVersion() != ZLIB_VERSION)
   puts("zlib version differs !!!");
   return 1;
return 0;
}
EOF
$cc $CFLAGS -o $TMPE $TMPC -lz 2> /dev/null || zlib="no"
# $TMPE 2> /dev/null > /dev/null || zlib="no"
# XXX: more tests needed - runtime test
fi
if test "$zlib" = "yes"; then
extralibs="$extralibs -lz"
fi

# test for lrintf in math.h
cat > $TMPC << EOF
#define _ISOC9X_SOURCE  1
#include <math.h>
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
EOF

have_lrintf="no"
if $cc $extralibs -o $TMPE $TMPC 2> /dev/null ; then
  have_lrintf="yes"
  $TMPE 2> /dev/null > /dev/null || have_lrintf="no"
fi

_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
  echo "void foo(char * $restrict_keyword p);" > $TMPC
  if $cc -c -o $TMPO $TMPC 2> /dev/null; then
    _restrict=$restrict_keyword
    break;
  fi
done

# test gcc version to see if vector builtins can be used
# currently only used on i386 for MMX builtins
cat > $TMPC << EOF
int main(void) { 
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
return 0;
#else
#error no vector builtins
#endif
}
EOF

builtin_vector=no
if $cc -o $TMPO $TMPC 2> /dev/null ; then
  builtin_vector=yes
fi

# dlopen/dlfcn.h probing

cat > $TMPC << EOF
#include <dlfcn.h>
int main( void ) { return (int) dlopen("foo", 0); }
EOF

ldl=-ldl

if $cc -o $TMPE $TMPC -ldl > /dev/null 2>&1 ; then
dlfcn=yes
dlopen=yes
fi

if $cc -o $TMPE $TMPC > /dev/null 2>&1 ; then
dlfcn=yes
dlopen=yes
ldl=""
fi

cat > $TMPC << EOF
int main( void ) { return (int) dlopen("foo", 0); }
EOF

if $cc -o $TMPE $TMPC -ldl > /dev/null 2>&1  ; then
dlopen=yes
fi

if $cc -o $TMPE $TMPC > /dev/null 2>&1  ; then
dlopen=yes
ldl=""
fi

if test "$vhook" = "default" ; then
  vhook="$dlopen"
fi

##########################################
# imlib probe

cat > $TMPC << EOF
#include <X11/Xlib.h>
#include <Imlib2.h>
int main( void ) { return (int) imlib_load_font("foo"); }
EOF

imlib2=no
if $cc -o $TMPE $TMPC -lImlib2 > /dev/null 2>&1  ; then
imlib2=yes
fi

##########################################
# freetype probe

cat > $TMPC << EOF
#include <ft2build.h>
int main( void ) { return (int) FT_Init_FreeType(0); }
EOF

freetype2=no
if test "x$targetos" != "xBeOS" && test "$os2" != "yes"; then
  if test "`which freetype-config`" != ""; then
    if $cc -o $TMPE $TMPC `freetype-config --cflags` `freetype-config --libs`  > /dev/null 2>&1 ; then
      freetype2=yes
    fi
  fi
fi

##########################################
# SDL probe

cat > $TMPC << EOF
#include <SDL.h>
#undef main /* We don't want SDL to override our main() */
int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
EOF

sdl_too_old=no
sdl=no
if $cc -o $TMPE `sdl-config --cflags` $TMPC `sdl-config --libs`  > /dev/null 2>&1  ; then
_sdlversion=`sdl-config --version | sed 's/[^0-9]//g'`
if test "$_sdlversion" -lt 121 ; then
sdl_too_old=yes
else
sdl=yes
fi
fi

case "`$cc -v 2>&1 | grep version`" in
    *gcc*)
	CFLAGS="-Wall $CFLAGS"
	;;
    *)
	;;
esac