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 622 matching lines @@
       armv7*)
         tgt_isa=armv7
         float_abi=softfp
         ;;
       *x86_64*|*amd64*)
         tgt_isa=x86_64
         ;;
       *i[3456]86*)
         tgt_isa=x86
         ;;
-      *powerpc64*)
-        tgt_isa=ppc64
-        ;;
-      *powerpc*)
-        tgt_isa=ppc32
-        ;;
       *sparc*)
         tgt_isa=sparc
         ;;
     esac
 
     # detect tgt_os
     case "$gcctarget" in
       *darwin8*)
         tgt_isa=universal
         tgt_os=darwin8
@@ skipping 129 matching lines @@
         add_cflags  "-isysroot ${iossim_sdk_dir}"
         add_ldflags "-isysroot ${iossim_sdk_dir}"
       fi
       ;;
   esac
 
   # Handle Solaris variants. Solaris 10 needs -lposix4
   case ${toolchain} in
     sparc-solaris-*)
       add_extralibs -lposix4
-      disable_feature fast_unaligned
       ;;
     *-solaris-*)
       add_extralibs -lposix4
       ;;
   esac
 
   # Process ARM architecture variants
   case ${toolchain} in
     arm*)
       # on arm, isa versions are supersets
       case ${tgt_isa} in
         arm64|armv8)
           soft_enable neon
           ;;
         armv7|armv7s)
           soft_enable neon
           # Only enable neon_asm when neon is also enabled.
           enabled neon && soft_enable neon_asm
           # If someone tries to force it through, die.
           if disabled neon && enabled neon_asm; then
             die "Disabling neon while keeping neon-asm is not supported"
           fi
           soft_enable media
-          soft_enable fast_unaligned
           ;;
         armv6)
           soft_enable media
-          soft_enable fast_unaligned
           ;;
       esac
 
       asm_conversion_cmd="cat"
 
       case ${tgt_cc} in
         gcc)
           CROSS=${CROSS:-arm-none-linux-gnueabi-}
           link_with_cc=gcc
           setup_gnu_toolchain
@@ skipping 195 matching lines @@
           fi
           ;;
       esac
       ;;
     mips*)
       link_with_cc=gcc
       setup_gnu_toolchain
       tune_cflags="-mtune="
       if enabled dspr2; then
         check_add_cflags -mips32r2 -mdspr2
-        disable_feature fast_unaligned
       fi
+
+      if enabled runtime_cpu_detect; then
+        disable_feature runtime_cpu_detect
+      fi
+
+      if [ -n "${tune_cpu}" ]; then
+        case ${tune_cpu} in
+          p5600)
+            check_add_cflags -mips32r5 -funroll-loops -mload-store-pairs
+            check_add_cflags -msched-weight -mhard-float -mfp64
+            check_add_asflags -mips32r5 -mhard-float -mfp64
+            check_add_ldflags -mfp64
+            ;;
+          i6400)
+            check_add_cflags -mips64r6 -mabi=64 -funroll-loops -msched-weight 
+            check_add_cflags  -mload-store-pairs -mhard-float -mfp64
+            check_add_asflags -mips64r6 -mabi=64 -mhard-float -mfp64
+            check_add_ldflags -mips64r6 -mabi=64 -mfp64
+            ;;
+        esac
+
+        if enabled msa; then
+          add_cflags -mmsa
+          add_asflags -mmsa
+          add_ldflags -mmsa
+        fi
+      fi
+
       check_add_cflags -march=${tgt_isa}
       check_add_asflags -march=${tgt_isa}
       check_add_asflags -KPIC
       ;;
-    ppc*)
-      enable_feature ppc
-      bits=${tgt_isa##ppc}
-      link_with_cc=gcc
-      setup_gnu_toolchain
-      add_asflags -force_cpusubtype_ALL -I"\$(dir \$<)darwin"
-      soft_enable altivec
-      enabled altivec && add_cflags -maltivec
-
-      case "$tgt_os" in
-        linux*)
-          add_asflags -maltivec -mregnames -I"\$(dir \$<)linux"
-          ;;
-        darwin*)
-          darwin_arch="-arch ppc"
-          enabled ppc64 && darwin_arch="${darwin_arch}64"
-          add_cflags  ${darwin_arch} -m${bits} -fasm-blocks
-          add_asflags ${darwin_arch} -force_cpusubtype_ALL -I"\$(dir \$<)darwin"
-          add_ldflags ${darwin_arch} -m${bits}
-          enabled altivec && add_cflags -faltivec
-          ;;
-      esac
-      ;;
     x86*)
       case  ${tgt_os} in
         win*)
           enabled gcc && add_cflags -fno-common
           ;;
         solaris*)
           CC=${CC:-${CROSS}gcc}
           CXX=${CXX:-${CROSS}g++}
           LD=${LD:-${CROSS}gcc}
           CROSS=${CROSS:-g}
@@ skipping 216 matching lines @@
         ;;
       *)
         check_header pthread.h && add_extralibs -lpthread
         ;;
     esac
   fi
 
   # only for MIPS platforms
   case ${toolchain} in
     mips*)
-      if enabled dspr2; then
-        if enabled big_endian; then
+      if enabled big_endian; then
+        if enabled dspr2; then
           echo "dspr2 optimizations are available only for little endian platforms"
           disable_feature dspr2
         fi
+        if enabled msa; then
+          echo "msa optimizations are available only for little endian platforms"
+          disable_feature msa
+        fi
       fi
       ;;
   esac
 
   # glibc needs these
   if enabled linux; then
     add_cflags -D_LARGEFILE_SOURCE
     add_cflags -D_FILE_OFFSET_BITS=64
   fi
 
@@ skipping 96 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
 }