## wscript
import Configure, Options
Configure.autoconfig = 1

VERSION = '0'
APPNAME = 'Synapse'

srcdir = '.'
blddir = '_build_'

cflags = ['-Wall', '-Wextra']
linkflags = []

def set_options(opt):
	opt.add_option('--buildtype', action='store', default='debug', help='Select the type of build.')
	opt.add_option('--arch', action='store', default='x86', help='Select architecture to build for.')

def configure(conf):
	arch = Options.options.arch
	buildtype = Options.options.buildtype

	# Check for required tools.
	conf.check_tool('gcc nasm')

	conf.env.append_unique('CCFLAGS', cflags)
	conf.env.append_unique('LINKFLAGS', linkflags)
	conf.env.append_unique('NASM_FLAGS', '-f elf')

	# Create the default environment based on the buildtype.
	env = conf.env.copy()
	conf.set_env_name(buildtype, env)
	conf.env.set_variant(arch + '-' + buildtype)
	if buildtype == 'debug':
		conf.env.append_unique('CCFLAGS', ['-g'])
		conf.env.append_unique('LINKFLAGS', ['-g'])

	# Create an environment for building the kernel.
	conf.setenv(buildtype)
	env = conf.env.copy()
	conf.set_env_name('kernel', env)
	conf.setenv('kernel')
	conf.env.append_unique('CCFLAGS', ['-m32', '-nostdlib', '-nodefaultlibs'])
	conf.env.append_unique('LINKFLAGS', ['-Wl,-melf_i386', '-nostartfiles', '-nostdlib', '-nodefaultlibs', '-T../src/kernel/link.ld'])

def build(bld):
	bld.add_subdirs('src/kernel')

def shutdown():
	pass

## src/kernel/wscript
import Options
import os

def build(bld):
	# Find architecture-specific files.
	fd = os.popen('find src/kernel/arch/%s -name "*.S"' % Options.options.arch)
	archfiles = fd.readline().strip('\n')
	archfiles = archfiles.strip('src/kernel/')

	# Build the kernel.
	kernel = bld.new_task_gen('cc', 'cprogram')
	kernel.env = bld.env_of_name('kernel')
	kernel.source = 'main.c ' + archfiles
	kernel.target = 'kernel'