Switch devenv to use pkg packages

ports/ninja/build.sh

 # Copyright (c) 2014 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.
 
 EXECUTABLES="ninja"
 
 LIBS="${NACL_CLI_MAIN_LIB}"
 
 if [ "${NACL_LIBC}" = "newlib" ]; then
   NACLPORTS_CPPFLAGS+=" -I${NACLPORTS_INCLUDE}/glibc-compat"
@@ skipping 24 matching lines @@
 BuildStep() {
   LogExecute ${SRC_DIR}/ninja
 }
 
 TestStep() {
   LogExecute ${SRC_DIR}/ninja ninja_test
   RunSelLdrCommand ninja_test --gtest_filter=-SubprocessTest.*
 }
 
 InstallStep() {
-  return
+  MakeDir ${DESTDIR}${PREFIX}/bin
+  LogExecute cp ninja ${DESTDIR}${PREFIX}/bin/
 }
-
-PublishStep() {
-  MakeDir ${PUBLISH_DIR}
-  MakeDir ${PUBLISH_DIR}/${NACL_ARCH}
-  LogExecute cp ninja ${PUBLISH_DIR}/${NACL_ARCH}/ninja
-  PublishByArchForDevEnv
-}