Some Raspberry Pi build fixes (including Raspberry Pi 2 support).

Fixes Bugzilla #2879.

build-scripts/config.guess

@@ -898,6 +898,7 @@ EOF
 	else
         case `sed -n '/^Hardware/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
         BCM2708) MANUFACTURER=raspberry;;
+        BCM2709) MANUFACTURER=raspberry;;
         *) MANUFACTURER=unknown;;
         esac
 	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \

configure

@@ -22941,7 +22941,9 @@ case "$host" in
 
                 if test x$enable_video = xyes; then
                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
+                    # FIXME: confdefs? Not AC_DEFINE?
                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
+                    SUMMARY_video="${SUMMARY_video} rpi"
                 fi
                 ;;
             *-*-androideabi*)
@@ -22955,6 +22957,7 @@ case "$host" in
 
                 if test x$enable_video = xyes; then
                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
+                    # FIXME: confdefs? Not AC_DEFINE?
                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
                     SUMMARY_video="${SUMMARY_video} android"
                 fi

configure.in

@@ -2837,7 +2837,9 @@ case "$host" in
 
                 if test x$enable_video = xyes; then
                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
+                    # FIXME: confdefs? Not AC_DEFINE?
                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
+                    SUMMARY_video="${SUMMARY_video} rpi"
                 fi
                 ;;
             *-*-androideabi*)
@@ -2851,6 +2853,7 @@ case "$host" in
 
                 if test x$enable_video = xyes; then
                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
+                    # FIXME: confdefs? Not AC_DEFINE?
                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
                     SUMMARY_video="${SUMMARY_video} android"
                 fi