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 372 matching lines @@
   case ${toolchain} in
     *-linux-rvct)
       echo "ALT_LIBC := ${alt_libc}" >> config.mk
       ;;
   esac
 }
 
 write_common_config_targets() {
   for t in ${all_targets}; do
     if enabled ${t}; then
-      if enabled universal || enabled child; then
+      if enabled child; then
         fwrite config.mk "ALL_TARGETS += ${t}-${toolchain}"
       else
         fwrite config.mk "ALL_TARGETS += ${t}"
       fi
     fi
     true;
   done
   true
 }
 
@@ skipping 236 matching lines @@
       *i[3456]86*)
         tgt_isa=x86
         ;;
       *sparc*)
         tgt_isa=sparc
         ;;
     esac
 
     # detect tgt_os
     case "$gcctarget" in
-      *darwin8*)
-        tgt_isa=universal
-        tgt_os=darwin8
-        ;;
-      *darwin9*)
-        tgt_isa=universal
-        tgt_os=darwin9
-        ;;
       *darwin10*)
         tgt_isa=x86_64
         tgt_os=darwin10
         ;;
       *darwin11*)
         tgt_isa=x86_64
         tgt_os=darwin11
         ;;
       *darwin12*)
         tgt_isa=x86_64
@@ skipping 540 matching lines @@
         os2)
           add_asflags -f aout
           enabled debug && add_asflags -g
           EXE_SFX=.exe
           ;;
         *)
           log "Warning: Unknown os $tgt_os while setting up $AS flags"
           ;;
       esac
       ;;
-    universal*|*-gcc|generic-gnu)
+    *-gcc|generic-gnu)
       link_with_cc=gcc
       enable_feature gcc
       setup_gnu_toolchain
       ;;
   esac
 
   # Try to enable CPU specific tuning
   if [ -n "${tune_cpu}" ]; then
     if [ -n "${tune_cflags}" ]; then
       check_add_cflags ${tune_cflags}${tune_cpu} || \
@@ skipping 188 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
 }