Add ARM toolchain support.

examples/tools/thttpd-2.25b/nacl-thttpd-2.25b.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-thttpd-2.25.sh
 #
 # Usage:  nacl-thttpd-2.25.sh
 #
@@ skipping 25 matching lines @@
     cp -f ${START_DIR}/${FILE} .
   done
 }
 
 CustomBuildStep() {
   Banner "Building ${PACKAGE_NAME}"
   # export the nacl tools
   export CC=${NACLCC}
   export NACLXX=${NACLCXX}
   export CXX=${NACLCXX}
-  if [ ${NACL_PACKAGES_BITSIZE} == "pnacl" ] ; then
+  if [ ${NACL_ARCH} = "pnacl" ] ; then
     export NACL_CCFLAGS="-O3 -g"
     export NACL_LDFLAGS="-O0 -static"
   fi
   export AR=${NACLAR}
   export RANLIB=${NACLRANLIB}
   export PKG_CONFIG_PATH=${NACL_SDK_USR_LIB}/pkgconfig
   export PKG_CONFIG_LIBDIR=${NACL_SDK_USR_LIB}
   export PATH=${NACL_BIN_PATH}:${PATH};
   local PACKAGE_DIR="${NACL_PACKAGES_REPOSITORY}/${PACKAGE_NAME}"
   ChangeDir ${PACKAGE_DIR}
   make thttpd
 }
 
 CustomInstallStep() {
   PUBLISH_DIR="${NACL_PACKAGES_PUBLISH}/${PACKAGE_NAME}"
   local PACKAGE_DIR="${NACL_PACKAGES_REPOSITORY}/${PACKAGE_NAME}"
   MakeDir ${PUBLISH_DIR}
   install ${START_DIR}/thttpd.html ${PUBLISH_DIR}
   install ${START_DIR}/nacl.js ${PUBLISH_DIR}
   install ${START_DIR}/peppermount_helper.js ${PUBLISH_DIR}
   install ${START_DIR}/json2min.js ${PUBLISH_DIR}
   BUILD_DIR=${NACL_PACKAGES_REPOSITORY}/${PACKAGE_NAME}
-  cp ${BUILD_DIR}/thttpd ${BUILD_DIR}/thttpd_x86-${NACL_PACKAGES_BITSIZE}.nexe
-  install ${BUILD_DIR}/thttpd_x86-${NACL_PACKAGES_BITSIZE}.nexe \
-      ${PUBLISH_DIR}/thttpd_x86-${NACL_PACKAGES_BITSIZE}.nexe
+  cp ${BUILD_DIR}/thttpd ${BUILD_DIR}/thttpd_${NACL_ARCH}.nexe
+  install ${BUILD_DIR}/thttpd_${NACL_ARCH}.nexe \
+      ${PUBLISH_DIR}/thttpd_${NACL_ARCH}.nexe
   ChangeDir ${PUBLISH_DIR}
   local NACL_LIB_PATH=$NACL_TOOLCHAIN_ROOT/x86_64-nacl
-  local NACL_COMPLEMENT_BITSIZE=64
-  if [ ${NACL_PACKAGES_BITSIZE} == "64" ]; then
-    NACL_COMPLEMENT_BITSIZE=32
+  local NACL_COMPLEMENT_ARCH="x86_64"
+  local NACL_COMPLEMENT_LIBDDIR="lib64"
+  if [ ${NACL_ARCH} = "x86_64" ]; then
+    NACL_COMPLEMENT_ARCH="i686"
+    NACL_COMPLEMENT_LIBDIR="lib32"
   fi
-  if [ -f thttpd_x86-${NACL_COMPLEMENT_BITSIZE}.nexe ]; then
+  if [ -f thttpd_${NACL_COMPLEMENT_ARCH}.nexe ]; then
     $NACL_SDK_ROOT/tools/create_nmf.py \
-      -L$NACL_LIB_PATH/usr/lib$NACL_COMPLEMENT_BITSIZE \
-      -L$NACL_LIB_PATH/lib$NACL_COMPLEMENT_BITSIZE \
-      -L$NACL_LIB_PATH/usr/lib$NACL_PACKAGES_BITSIZE \
-      -L$NACL_LIB_PATH/lib$NACL_PACKAGES_BITSIZE \
+      -L$NACL_LIB_PATH/usr/lib$NACL_COMPLEMENT_LIBDIR \
+      -L$NACL_LIB_PATH/lib$NACL_COMPLEMENT_LIBDIR \
+      -L$NACL_LIB_PATH/usr/$NACL_LIBDIR \
+      -L$NACL_LIB_PATH/$NACL_LIBDIR \
       -D$NACL_BIN_PATH/x86_64-nacl-objdump \
       -o thttpd.nmf -s . \
-      thttpd_x86-${NACL_COMPLEMENT_BITSIZE}.nexe \
-      thttpd_x86-${NACL_PACKAGES_BITSIZE}.nexe
+      thttpd_${NACL_ARCH}.nexe \
+      thttpd_${NACL_COMPLEMENT_ARCH}.nexe
   else
     $NACL_SDK_ROOT/tools/create_nmf.py \
-      -L$NACL_LIB_PATH/usr/lib$NACL_PACKAGES_BITSIZE \
-      -L$NACL_LIB_PATH/lib$NACL_PACKAGES_BITSIZE \
+      -L$NACL_LIB_PATH/usr/$NACL_LIBDIR \
+      -L$NACL_LIB_PATH/$NACL_LIBDIR \
       -D$NACL_BIN_PATH/x86_64-nacl-objdump \
       -o thttpd.nmf -s . \
-      thttpd_x86-${NACL_PACKAGES_BITSIZE}.nexe
+      thttpd_${NACL_ARCH}.nexe
   fi
   DefaultTouchStep
 }
 
 CustomPackageInstall() {
   DefaultPreInstallStep
   DefaultDownloadStep
   DefaultExtractStep
   DefaultPatchStep
   PreConfigureStep
   CustomBuildStep
   CustomInstallStep
   DefaultCleanUpStep
 }
 
 CustomPackageInstall
 exit 0