import os
import sbms

# get env object and clone it
Import('*')

# Verify CERN environment variable is set
if os.getenv('CERN', 'nada')=='nada':
	if env.Dir('.').srcnode().abspath.startswith(env.GetLaunchDir()):
		print '============================================================'
		print 'CERN environment variable not set. Skipping build of bggen'
		print '============================================================'

else:

	env = env.Clone()
	
	# Turn off warnings for bggen since Pythia has too many
	fflags = env['FORTRANFLAGS'].remove('-Wall')
	env.Replace(FORTRANFLAGS=fflags)

	sbms.AddCERNLIB(env)
	sbms.AddHDDM(env)
	sbms.executable(env, 'xsec_table')