SConstruct

#!/usr/bin/env python

import sys
env = Environment(CCFLAGS='-Wall -g', CPPFLAGS='-D_GNU_SOURCE')

AddOption('--prefix',
          dest='prefix',
          nargs=1, type='string',
          action='store',
          metavar='DIR',
          help='installation prefix')
env = Environment(PREFIX = GetOption('prefix'))

idir_prefix = '$PREFIX'
idir_bin    = '$PREFIX/bin'

Export('env idir_prefix idir_bin')

platform = sys.platform
lib_path = ['/usr/local/lib', '/usr/lib']
libs = Glob('./*.a') + ['pcap']
cpp_path=['.']

if platform == 'darwin':
      env.Append(CPPFLAGS=['-Ddarwin'])

# Compile the programs
pkt2flow = env.Program(target = './pkt2flow', 
			source = Glob('./*.c'),
			LIBPATH = lib_path,
			LIBS = libs,
			CPPPATH = cpp_path)

# install the program
env.Install(dir = idir_bin, source = pkt2flow)

# create an install alias
env.Alias('install', idir_prefix)