import os import sys import subprocess import shutil import utils from conf import conf from exceptions import MissingFile def parse_kconfig(): "Execute parse_kconfig in linux_sources directory and parsed output is placed to build_folder." env = dict(os.environ) wd = os.getcwd() os.chdir(conf.linux_sources) if conf.parse_kconfig_output: subprocess.call([conf.parse_kconfig, conf.linux_kconfig_head, conf.build_folder, "-v", "-v"], env=utils.get_kernel_env()) else: subprocess.call([conf.parse_kconfig, conf.linux_kconfig_head, conf.build_folder], env=utils.get_kernel_env()) os.chdir(wd) def gen_requred(): "Generates required depenpency from required file." if not os.path.isfile(conf.linux_sources + '/.config'): raise MissingFile(conf.linux_sources + '/.config', 'Generate initial configuration. Execute make defconfig in linux folder. Or use make menuconfig and change configuration.') utils.build_symbol_map() # Ensure smap existence srmap = {value:key for key, value in utils.smap.items()} try: os.remove(conf.required_file) os.remove(conf.dot_config_fragment_file) except OSError: pass shutil.copy(conf.linux_dot_config, conf.dot_config_back_file) with open(conf.linux_sources + '/.config', 'r') as f: with open(conf.required_file, 'w') as freq: with open(conf.dot_config_fragment_file, 'w') as fconf: for line in f: if (line[0] == '#') or (not '=' in line): continue indx = line.index('=') if (line[7:indx] == "MODULES"): # skip if modules set raise exceptions.ConfigurationError("Initial kernel configuration must have MODULES disabled.") if (line[indx + 1] == 'y'): freq.write(srmap[line[7:indx]] + "\n") elif (line[indx + 1] == 'n' or line[indx + 1] == 'm'): freq.write("-" + srmap[line[7:indx]] + "\n") else: fconf.write(line); freq.write("-" + srmap["MODULES"] + "\n"); # force modules no