libvpx: Pull from upstream

source/libvpx/build/make/configure.sh

 #!/bin/sh
 ##
 ##  configure.sh
 ##
 ##  This script is sourced by the main configure script and contains
 ##  utility functions and other common bits that aren't strictly libvpx
 ##  related.
 ##
 ##  This build system is based in part on the FFmpeg configure script.
 ##
@@ skipping 500 matching lines @@
         --cpu)
         ;;
         --cpu=*) tune_cpu="$optval"
         ;;
         --extra-cflags=*)
         extra_cflags="${optval}"
         ;;
         --enable-?*|--disable-?*)
         eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
         if echo "${ARCH_EXT_LIST}" | grep "^ *$option\$" >/dev/null; then
-            [ $action = "disable" ] && RTCD_OPTIONS="${RTCD_OPTIONS}${opt} "
+            [ $action = "disable" ] && RTCD_OPTIONS="${RTCD_OPTIONS}--disable-${option} "
         elif [ $action = "disable" ] && ! disabled $option ; then
           echo "${CMDLINE_SELECT}" | grep "^ *$option\$" >/dev/null ||
             die_unknown $opt
         elif [ $action = "enable" ] && ! enabled $option ; then
           echo "${CMDLINE_SELECT}" | grep "^ *$option\$" >/dev/null ||
             die_unknown $opt
         fi
         ${action}_feature $option
         ;;
         --require-?*)
@@ skipping 253 matching lines @@
         *-solaris-*)
             add_extralibs -lposix4
             ;;
     esac
 
     # Process ARM architecture variants
     case ${toolchain} in
     arm*)
         # on arm, isa versions are supersets
         case ${tgt_isa} in
+        armv8)
+            soft_enable neon
+            ;;
         armv7)
             soft_enable neon
+            soft_enable neon_asm
             soft_enable media
             soft_enable edsp
             soft_enable fast_unaligned
             ;;
         armv6)
             soft_enable media
             soft_enable edsp
             soft_enable fast_unaligned
             ;;
         armv5te)
@@ skipping 17 matching lines @@
                 if [ -z "${float_abi}" ]; then
                     check_cpp <<EOF && float_abi=hard || float_abi=softfp
 #ifndef __ARM_PCS_VFP
 #error "not hardfp"
 #endif
 EOF
                 fi
                 check_add_cflags  -march=armv7-a -mfloat-abi=${float_abi}
                 check_add_asflags -march=armv7-a -mfloat-abi=${float_abi}
 
-                if enabled neon
+                if enabled neon || enabled neon_asm
                 then
                     check_add_cflags -mfpu=neon #-ftree-vectorize
                     check_add_asflags -mfpu=neon
                 fi
 
                 if [ -z "${tune_cpu}" ]; then
                     tune_cpu=cortex-a8
                 fi
             else
                 check_add_cflags -march=${tgt_isa}
@@ skipping 26 matching lines @@
             CC=armcc
             AR=armar
             AS=armasm
             LD="${source_path}/build/make/armlink_adapter.sh"
             STRIP=arm-none-linux-gnueabi-strip
             NM=arm-none-linux-gnueabi-nm
             tune_cflags="--cpu="
             tune_asflags="--cpu="
             if [ -z "${tune_cpu}" ]; then
                 if [ ${tgt_isa} = "armv7" ]; then
-                    if enabled neon
+                    if enabled neon || enabled neon_asm
                     then
                         check_add_cflags --fpu=softvfp+vfpv3
                         check_add_asflags --fpu=softvfp+vfpv3
                     fi
                     check_add_cflags --cpu=Cortex-A8
                     check_add_asflags --cpu=Cortex-A8
                 else
                     check_add_cflags --cpu=${tgt_isa##armv}
                     check_add_asflags --cpu=${tgt_isa##armv}
                 fi
@@ skipping 455 matching lines @@
     # Prepare the PWD for building.
     for f in ${OOT_INSTALLS}; do
             install -D "${source_path}/$f" "$f"
     done
     fi
     cp "${source_path}/build/make/Makefile" .
 
     clean_temp_files
     true
 }