# -*- mode: python; coding: utf-8; -*-
#
#  Codezero -- Virtualization microkernel for embedded systems.
#
#  Copyright © 2009 B Labs Ltd
#
import os, sys
from os.path import *

PROJRELROOT = '../..'
sys.path.append(PROJRELROOT)

from scripts.config.config_invoke import *

config = configuration_retrieve()
gcc_arch_flag = config.gcc_arch_flag

builddir = join(BUILDDIR, USERLIBS_RELDIR)

env = Environment(CC = config.toolchain_userspace + 'gcc',
		          AR = config.toolchain_userspace + 'ar',
		          RANLIB = config.toolchain_userspace + 'ranlib',
                  # We don't use -nostdinc because sometimes we need standard headers,
                  # such as stdarg.h e.g. for variable args, as in printk().
                  CCFLAGS = ['-g', '-nostdlib', '-ffreestanding', '-std=gnu99', '-Wall',
                             '-Werror', '-march=' + gcc_arch_flag],
                  LINKFLAGS = ['-nostdlib'],
                  ASFLAGS = ['-D__ASSEMBLY__', '-march=' + gcc_arch_flag],
                  ENV = {'PATH' : os.environ['PATH']},
                  LIBS = 'gcc',	# libgcc.a - Required for division routines.
                  CPPPATH = KERNEL_HEADERS,
                  CPPFLAGS = '-include l4/config.h -include l4/macros.h -include l4/types.h')

# Set the build directory for this source tree
VariantDir(builddir, os.getcwd())

SConscript('SConscript', duplicate = 0,
           exports = { 'env' : env, 'build_dir' : builddir })