Add ARM toolchain support.

libraries/openal-soft-1.13/nacl-openal-soft-1.13.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.
 #
 
 # nacl-openal-soft-1.13.sh
 #
 # usage:  nacl-openal-soft-1.13.sh
 #
 # this script downloads, patches, and builds OpenAL for Native Client
 #
 
 readonly URL=http://commondatastorage.googleapis.com/nativeclient-mirror/nacl/openal-soft-1.13.tar.bz2
 #readonly URL=http://kcat.strangesoft.net/openal-releases/openal-soft-1.13.tar.bz2
 readonly PATCH_FILE=nacl-openal-soft-1.13.patch
 readonly PACKAGE_NAME=openal-soft-1.13
 
 source ../../build_tools/common.sh
 
 CustomConfigureStep() {
   Banner "Configuring ${PACKAGE_NAME}"
 
   # Defaults to dynamic lib, but newlib can only link statically.
   LIB_ARG=
-  if [[ ${NACL_GLIBC} == 0 ]]; then
+  if [[ ${NACL_GLIBC} = 0 ]]; then
     LIB_ARG="-DLIBTYPE=STATIC"
   fi
 
   ChangeDir ${NACL_PACKAGES_REPOSITORY}/${PACKAGE_NAME}/build
   cmake .. -DCMAKE_TOOLCHAIN_FILE=../XCompile-nacl.txt \
            -DNACLCC=${NACLCC} \
            -DNACLCXX=${NACLCXX} \
            -DNACLAR=${NACLAR} \
            -DNACL_CROSS_PREFIX=${NACL_CROSS_PREFIX} \
            -DCMAKE_INSTALL_PREFIX=${NACL_SDK_USR} \
            ${LIB_ARG}
 
 }
 
 CustomPackageInstall() {
   DefaultPreInstallStep
   DefaultDownloadBzipStep
   DefaultExtractBzipStep
   DefaultPatchStep
   CustomConfigureStep
   DefaultBuildStep
   DefaultInstallStep
   DefaultCleanUpStep
 }
 
 CustomPackageInstall
 exit 0