import os

optns =					Options('config/' + os.uname()[1] + '.py')

optns.AddOptions(

						PathOption('cgal_path', 'where CGAL is installed', ''),

						('cgal_architecture', 'string describing CGAL architecture'),

						('INCPATH', 'additional include paths separated with :',''),

						('LIBPATH', 'additional library paths separated with :',''),

						PathOption('qt4_includes', 'where Qt4 headers are installed', ''),

						PathOption('qt4_libs', 'where Qt4 libraries are installed', ''),

						('CXX', 'The C++ compiler'))

# Setup environment

base_env = 				Environment(options = optns,

									ENV = os.environ,

									tools=["default", "doxygen"], #, "qt4"], 

									toolpath=["sconstools"])

Help					(optns.GenerateHelpText(base_env))

dbg =					base_env.Copy(CPPFLAGS = ['-g'])

opt = 					base_env.Copy(CPPDEFINES = ['NDEBUG'])

if ARGUMENTS.get('debug', 0):

	env = 				dbg

	env.Append			(CPPDEFINES = ['CWDEBUG'])

	env.Append			(LIBS = ['cwd'])

elif ARGUMENTS.get('optimize', 0):

	opt.Append 			(CPPFLAGS = ['-O' + str(ARGUMENTS['optimize'])])

	env =				opt

else:

	opt.Append 			(CPPFLAGS = ['-O'])

	env =				opt

if ARGUMENTS.get('counters', 0):

	env.Append			(CPPDEFINES = ['COUNTERS'])

# Don't create .sconsign files all over the place

SConsignFile()

# Create tags file

#tags =					env.Command('tags', 'sources',			# FIXME

#									['ctags '])

# CGAL

cgal_path = 			env['cgal_path']

cgal_architecture = 	env['cgal_architecture']	

cgal_defines = 			['CGAL_USE_GMP', 'CGAL_USE_GMPXX', 'CGAL_USE_CORE']

cgal_cpppath =			[cgal_path + '/include/CGAL/config/' + cgal_architecture, cgal_path + '/include']

cgal_libs = 			['CGAL', 'core++', 'mpfr', 'gmpxx', 'gmp', 'm']

cgal_link_flags =		['-Wl,-R' + cgal_path + '/lib/' + cgal_architecture]

cgal_lib_paths = 		[cgal_path + '/lib/' + cgal_architecture]

# Includes

cpppath =				['#/include'] + env['INCPATH'].split(':')

libpath = 				env['LIBPATH'].split(':')

# Append variables to the environment

env.Append				(CPPDEFINES = cgal_defines, 

						 CPPPATH = cpppath + cgal_cpppath,

						 LIBS = cgal_libs, 

						 LIBPATH = libpath + cgal_lib_paths, 

						 LINKFLAGS = cgal_link_flags)

# Build documentation (in doc/)

env.Doxygen("Doxyfile")

# Build stuff in src/, and export it

external_sources = 		SConscript(['src/SConscript'], exports = ['env'])

# Build examples/ and tools/

#SConscript				(['examples/SConscript',

#						  'tools/SConscript'],

#						 exports = ['env', 'external_sources'])

SConscript				(['examples/SConscript', 

						  'tests/SConscript'],

						 exports = ['env', 'external_sources'])

# vim: syntax=python