Update libvpx sources to v0.9.2-35-ga8a38bc. ...

source/libvpx/build/make/configure.sh

Index: source/libvpx/build/make/configure.sh
===================================================================
--- source/libvpx/build/make/configure.sh	(revision 60257)
+++ source/libvpx/build/make/configure.sh	(working copy)
@@ -495,7 +495,7 @@
 
 process_common_toolchain() {
     if [ -z "$toolchain" ]; then
-	gcctarget="$(gcc -dumpmachine 2> /dev/null)"
+        gcctarget="$(gcc -dumpmachine 2> /dev/null)"
 
         # detect tgt_isa
         case "$gcctarget" in
@@ -505,6 +505,12 @@
             *i[3456]86*)
                 tgt_isa=x86
                 ;;
+            *powerpc64*)
+                tgt_isa=ppc64
+                ;;
+            *powerpc*)
+                tgt_isa=ppc32
+                ;;
         esac
 
         # detect tgt_os
@@ -755,8 +761,8 @@
         link_with_cc=gcc
         setup_gnu_toolchain
         add_asflags -force_cpusubtype_ALL -I"\$(dir \$<)darwin"
-        add_cflags -maltivec -faltivec
         soft_enable altivec
+        enabled altivec && add_cflags -maltivec
 
         case "$tgt_os" in
         linux*)
@@ -768,6 +774,7 @@
             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
     ;;
@@ -902,8 +909,8 @@
 
     # glibc needs these
     if enabled linux; then
-	add_cflags -D_LARGEFILE_SOURCE
-	add_cflags -D_FILE_OFFSET_BITS=64
+        add_cflags -D_LARGEFILE_SOURCE
+        add_cflags -D_FILE_OFFSET_BITS=64
     fi
 }