diff --git a/build/.lock-waf_darwin_build b/build/.lock-waf_darwin_build
new file mode 100644
index 0000000..f689a1f
--- /dev/null
+++ b/build/.lock-waf_darwin_build
@@ -0,0 +1,8 @@
+argv = ['./waf', 'configure']
+environ = {'TERM_SESSION_ID': '22C51EB1-3830-4DC9-865A-155EAB61DB45', 'SSH_AUTH_SOCK': '/tmp/launch-qSNFvC/Listeners', 'TERM_PROGRAM_VERSION': '309', 'SHELL': '/bin/bash', 'LOGNAME': 'akmhoque', 'USER': 'akmhoque', 'HOME': '/Users/akmhoque', 'PATH': '/usr/local/ndn/bin:/usr/local/ndn/sbin:/usr/local/ndn/bin:/usr/local/ndn/sbin:/usr/local/ndn/bin:/usr/local/ndn/sbin:/usr/local/ndn/bin:/usr/local/ndn/sbin:/Library/Frameworks/Python.framework/Versions/2.7/bin:/opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin', 'DISPLAY': '/tmp/launch-rmGR2h/org.macosforge.xquartz:0', 'TMPDIR': '/var/folders/lg/h72gk679087gz9scbvnpfq_m0000gn/T/', 'TERM_PROGRAM': 'Apple_Terminal', 'LANG': 'en_US.UTF-8', 'TERM': 'xterm-256color', 'Apple_PubSub_Socket_Render': '/tmp/launch-FOo7rc/Render', 'SHLVL': '1', 'OLDPWD': '/Users/akmhoque/NLSR-CPP', '__CF_USER_TEXT_ENCODING': '0x1F5:0:0', 'Apple_Ubiquity_Message': '/tmp/launch-5TatUj/Apple_Ubiquity_Message', 'PWD': '/Users/akmhoque/NLSR0.0', '_': './waf', 'COMMAND_MODE': 'unix2003'}
+files = ['/Users/akmhoque/NLSR0.0/wscript']
+hash = 4839173976587730339
+options = {'force': False, 'verbose': 0, 'boost_python': '27', 'SHAREDSTATEDIR': '', 'destdir': '', 'zones': '', 'prefix': '/usr/local/', 'download': False, 'boost_mt': False, 'targets': '', 'MANDIR': '', 'boost_libs': '', 'INFODIR': '', 'nocache': False, 'progress_bar': 0, 'EXEC_PREFIX': '', 'top': '', 'LOCALSTATEDIR': '', 'INCLUDEDIR': '', 'LIBEXECDIR': '', 'out': '', 'check_cxx_compiler': 'g++', 'PSDIR': '', 'BINDIR': '', 'files': '', 'DOCDIR': '', 'SYSCONFDIR': '', 'jobs': 2, 'DATAROOTDIR': '', 'boost_toolset': '', 'distcheck_args': None, 'boost_includes': '', 'PDFDIR': '', 'DATADIR': '', 'LIBDIR': '', 'SBINDIR': '', 'boost_abi': '', 'boost_linkage_autodetect': None, 'boost_static': False, 'HTMLDIR': '', 'LOCALEDIR': '', 'keep': 0, 'debug': False, 'DVIDIR': '', 'check_c_compiler': 'gcc', 'OLDINCLUDEDIR': ''}
+out_dir = '/Users/akmhoque/NLSR0.0/build'
+run_dir = '/Users/akmhoque/NLSR0.0'
+top_dir = '/Users/akmhoque/NLSR0.0'