import os
import sys


#  sets compile and link flags for readout lists

def loadrol(env) :
	OSENV = os.environ

        if(OSENV.has_key('CODA') and os.path.exists(OSENV['CODA'])==True):
                codaDir = OSENV['CODA']
        else:
                print "?CODA env variable not set!"
                sys.exit(0)

        if(OSENV.has_key('LINUXVME_INC') and os.path.exists(OSENV['LINUXVME_INC'])==True):
                linuxvmeIncDir = OSENV['LINUXVME_INC']
        else:
                print "?LINUXVME_INC env variable not set!"
                sys.exit(0)


        if(OSENV.has_key('LINUXVME_LIB') and os.path.exists(OSENV['LINUXVME_LIB'])==True):
                linuxvmeLibDir = OSENV['LINUXVME_LIB']
        else:
                print "?LINUXVME_LIB env variable not set!"
                sys.exit(0)


        if env['SHOWENV'] == "1":
                print "Loading CODA software from ", OSENV['CODA']


        # Sets a default value in case it has not been set already
        env.SetDefault(SOFTROL='0')


###  temporary until CODA distribution puts some files in standard location
####  ejw, 20-Nov-2013
###        env.AppendUnique(CPPPATH='/gluex/ROLs')

#  Bryan says this will change in the not too distant future
#  ejw, 6-Jan-2014
        env.AppendUnique(CPPPATH=codaDir+'/linuxvme/ti/rol')



#  include files
        rolincs = []
        rolincs.append(linuxvmeIncDir)
        rolincs.append('/usr/include')
        rolincs.append(codaDir + '/common/include')
        env.AppendUnique(CPPPATH=rolincs)


#  compiler flags
        env.AppendUnique(CFLAGS='-shared')
        env.AppendUnique(CFLAGS='-fPIC')
        env.AppendUnique(CFLAGS='-m32')
        env.AppendUnique(CFLAGS='-DJLAB')
        env.AppendUnique(CFLAGS='-DLINUX')
        env.AppendUnique(CFLAGS='-w')
        env.AppendUnique(CFLAGS='-DDAYTIME="\\\"`date`\\\""')


#  library directories
        rolldir = []
        rolldir.append(linuxvmeLibDir)
        env.AppendUnique(LIBPATH = rolldir)

#  link flags
        env.AppendUnique(SHLINKFLAGS='-m32')

#  libraries
        rollibs = []
        rollibs.append('rt')
        rollibs.append('pthread')
        if env['SOFTROL'] == '0':
                rollibs.append('jvme')
                rollibs.append('ti')
                rollibs.append('remex')
                rollibs.append('fadc')
        env.AppendUnique(LIBS = rollibs)