PNaCl: Add more MIPS support to the toolchain

pnacl/build.sh

 #!/bin/bash
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 #@                 Untrusted Toolchain Manager
 #@-------------------------------------------------------------------
 #@ This script builds the ARM and PNaCl untrusted toolchains.
 #@ It MUST be run from the native_client/ directory.
 ######################################################################
@@ skipping 586 matching lines @@
 
 download-toolchains() {
   ${GCLIENT} runhooks --force --verbose
 }
 
 #@ libs                  - install native libs and build bitcode libs
 libs() {
   libs-clean
   libs-support newlib
   newlib
-  for arch in arm x86-32 x86-64; do
+  for arch in arm x86-32 x86-64 mips32; do
     dummy-irt-shim ${arch}
   done
   compiler-rt-all
   libgcc_eh-newlib
   libstdcpp newlib
 }
 
 #@ everything            - Build and install untrusted SDK. no translator
 everything() {
   sync-sources
@@ skipping 2228 matching lines @@
 }
 
 libs-support() {
   local libmode=$1
   StepBanner "LIBS-SUPPORT"
   if [ ${libmode} == "newlib" ]; then
     libs-support-newlib-crt1
   fi
   libs-support-bitcode $libmode
   local arch
-  for arch in arm x86-32 x86-64; do
+  for arch in arm x86-32 x86-64 mips32; do
     libs-support-native ${arch}
   done
 }
 
 libs-support-newlib-crt1() {
   mkdir -p "${INSTALL_LIB_NEWLIB}"
   spushd "${PNACL_SUPPORT}"
   # Install crt1.x (linker script).
   StepBanner "LIBS-SUPPORT-NEWLIB" "Install crt1.x (linker script)"
   cp crt1.x "${INSTALL_LIB_NEWLIB}"/crt1.x
@@ skipping 967 matching lines @@
   #Usage
   echo "ERROR: unknown function '$1'." >&2
   echo "For help, try:"
   echo "    $0 help"
   exit 1
 fi
 
 hg-migrate
 
 "$@"