Allow re-targeting of naclports install

libraries/openssl-1.0.0e/nacl-openssl-1.0.0e.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-openssl-1.0.0e.sh
 #
 # usage:  nacl-openssl-1.0.0e.sh
 #
 # this script downloads, patches, and builds openssl for Native Client
 #
 
 source pkg_info
 source ../../build_tools/common.sh
 
 CustomConfigureStep() {
   Banner "Configuring ${PACKAGE_NAME}"
   local extra_args=""
   if [[ "${NACL_ARCH}" = "pnacl" ||
         "${NACL_TOOLCHAIN_ROOT}" == *newlib* ]] ; then
-    readonly GLIBC_COMPAT=${NACL_SDK_USR_INCLUDE}/glibc-compat
+    readonly GLIBC_COMPAT=${NACLPORTS_INCLUDE}/glibc-compat
     if [[ ! -f ${GLIBC_COMPAT}/netdb.h ]]; then
       echo "Please install glibc-compat first"
       exit 1
     fi
     extra_args+=" no-dso -DOPENSSL_NO_SOCK=1 -I${GLIBC_COMPAT}"
   fi
 
   ChangeDir ${NACL_PACKAGES_REPOSITORY}/${PACKAGE_NAME}
   MACHINE=i686 CC=${NACLCC} AR=${NACLAR} RANLIB=${NACLRANLIB} ./config \
-     --prefix=${NACL_SDK_USR} no-asm no-hw no-krb5 ${extra_args} -D_GNU_SOURCE
+     --prefix=${NACLPORTS_PREFIX} no-asm no-hw no-krb5 ${extra_args} -D_GNU_SOURCE
 }
 
 CustomHackStepForNewlib() {
   # These two makefiles build binaries which we do not care about,
   # and they depend on -ldl, so cannot be built with newlib.
   echo "all clean install: " > apps/Makefile
   echo "all clean install: " > test/Makefile
 }
 
 CustomBuildStep() {
@@ skipping 11 matching lines @@
         "${NACL_TOOLCHAIN_ROOT}" == *newlib* ]] ; then
     CustomHackStepForNewlib
   fi
   CustomBuildStep
   DefaultInstallStep
   DefaultCleanUpStep
 }
 
 CustomPackageInstall
 exit 0