import os


def loadrocutil(env) :
	OSENV = os.environ


        if(OSENV.has_key('ROCUTILROOT') and os.path.exists(OSENV['ROCUTILROOT'])==True):
                rootDir = OSENV['ROCUTILROOT']
        elif(OSENV.has_key('ROCUTIL') and os.path.exists(OSENV['ROCUTIL'])==True):
                rootDir = OSENV['ROCUTIL']
        else:
                print "?Neither ROCUTILROOT nor ROCUTIL env variables are set...using -DNO_ROCUTILROOT"
                env.Append(CPPDEFINES = {'NO_ROCUTILROOT':None})
                return

        if env['SHOWENV'] == "1":
                print "Loading ROCUTIL software from ", rootDir


#  include files
        rocutilincs = []
        rocutilincs.append(rootDir + '/include')
        env.AppendUnique(CPPPATH=rocutilincs)


#  library directories
        rocutilldir = []
        rocutilldir.append(rootDir + '/lib')
        env.AppendUnique(LIBPATH = rocutilldir)


#  libraries
        rocutillibs = []
        env.AppendUnique(LIBS = rocutillibs)