rt-thread-official/tools/building.py

819 lines
26 KiB
Python

#
# File : building.py
# This file is part of RT-Thread RTOS
# COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Change Logs:
# Date Author Notes
# 2015-01-20 Bernard Add copyright information
# 2015-07-25 Bernard Add LOCAL_CCFLAGS/LOCAL_CPPPATH/LOCAL_CPPDEFINES for
# group definition.
#
import os
import sys
import string
from SCons.Script import *
from utils import _make_path_relative
BuildOptions = {}
Projects = []
Rtt_Root = ''
Env = None
class Win32Spawn:
def spawn(self, sh, escape, cmd, args, env):
# deal with the cmd build-in commands which cannot be used in
# subprocess.Popen
if cmd == 'del':
for f in args[1:]:
try:
os.remove(f)
except Exception as e:
print 'Error removing file: %s' % e
return -1
return 0
import subprocess
newargs = string.join(args[1:], ' ')
cmdline = cmd + " " + newargs
# Make sure the env is constructed by strings
_e = dict([(k, str(v)) for k, v in env.items()])
# Windows(tm) CreateProcess does not use the env passed to it to find
# the executables. So we have to modify our own PATH to make Popen
# work.
old_path = os.environ['PATH']
os.environ['PATH'] = _e['PATH']
try:
proc = subprocess.Popen(cmdline, env=_e, shell=False)
except Exception as e:
print 'Error in calling:\n%s' % cmdline
print 'Exception: %s: %s' % (e, os.strerror(e.errno))
return e.errno
finally:
os.environ['PATH'] = old_path
return proc.wait()
def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = []):
import SCons.cpp
import rtconfig
global BuildOptions
global Projects
global Env
global Rtt_Root
Env = env
Rtt_Root = root_directory
# add compability with Keil MDK 4.6 which changes the directory of armcc.exe
if rtconfig.PLATFORM == 'armcc':
if not os.path.isfile(os.path.join(rtconfig.EXEC_PATH, 'armcc.exe')):
if rtconfig.EXEC_PATH.find('bin40') > 0:
rtconfig.EXEC_PATH = rtconfig.EXEC_PATH.replace('bin40', 'armcc/bin')
Env['LINKFLAGS']=Env['LINKFLAGS'].replace('RV31', 'armcc')
# reset AR command flags
env['ARCOM'] = '$AR --create $TARGET $SOURCES'
env['LIBPREFIX'] = ''
env['LIBSUFFIX'] = '.lib'
env['LIBLINKPREFIX'] = ''
env['LIBLINKSUFFIX'] = '.lib'
env['LIBDIRPREFIX'] = '--userlibpath '
# patch for win32 spawn
if env['PLATFORM'] == 'win32':
win32_spawn = Win32Spawn()
win32_spawn.env = env
env['SPAWN'] = win32_spawn.spawn
if env['PLATFORM'] == 'win32':
os.environ['PATH'] = rtconfig.EXEC_PATH + ";" + os.environ['PATH']
else:
os.environ['PATH'] = rtconfig.EXEC_PATH + ":" + os.environ['PATH']
# add program path
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
# add rtconfig.h path
env.Append(CPPPATH = [str(Dir('#').abspath)])
# add library build action
act = SCons.Action.Action(BuildLibInstallAction, 'Install compiled library... $TARGET')
bld = Builder(action = act)
Env.Append(BUILDERS = {'BuildLib': bld})
# parse rtconfig.h to get used component
PreProcessor = SCons.cpp.PreProcessor()
f = file('rtconfig.h', 'r')
contents = f.read()
f.close()
PreProcessor.process_contents(contents)
BuildOptions = PreProcessor.cpp_namespace
# add copy option
AddOption('--copy',
dest='copy',
action='store_true',
default=False,
help='copy rt-thread directory to local.')
AddOption('--copy-header',
dest='copy-header',
action='store_true',
default=False,
help='copy header of rt-thread directory to local.')
AddOption('--cscope',
dest='cscope',
action='store_true',
default=False,
help='Build Cscope cross reference database. Requires cscope installed.')
AddOption('--clang-analyzer',
dest='clang-analyzer',
action='store_true',
default=False,
help='Perform static analyze with Clang-analyzer. '+\
'Requires Clang installed.\n'+\
'It is recommended to use with scan-build like this:\n'+\
'`scan-build scons --clang-analyzer`\n'+\
'If things goes well, scan-build will instruct you to invoke scan-view.')
if GetOption('clang-analyzer'):
# perform what scan-build does
env.Replace(
CC = 'ccc-analyzer',
CXX = 'c++-analyzer',
# skip as and link
LINK = 'true',
AS = 'true',)
env["ENV"].update(x for x in os.environ.items() if x[0].startswith("CCC_"))
# only check, don't compile. ccc-analyzer use CCC_CC as the CC.
# fsyntax-only will give us some additional warning messages
env['ENV']['CCC_CC'] = 'clang'
env.Append(CFLAGS=['-fsyntax-only', '-Wall', '-Wno-invalid-source-encoding'])
env['ENV']['CCC_CXX'] = 'clang++'
env.Append(CXXFLAGS=['-fsyntax-only', '-Wall', '-Wno-invalid-source-encoding'])
# remove the POST_ACTION as it will cause meaningless errors(file not
# found or something like that).
rtconfig.POST_ACTION = ''
# add build library option
AddOption('--buildlib',
dest='buildlib',
type='string',
help='building library of a component')
AddOption('--cleanlib',
dest='cleanlib',
action='store_true',
default=False,
help='clean up the library by --buildlib')
# add target option
AddOption('--target',
dest='target',
type='string',
help='set target project: mdk/mdk4/iar/vs/ua')
#{target_name:(CROSS_TOOL, PLATFORM)}
tgt_dict = {'mdk':('keil', 'armcc'),
'mdk4':('keil', 'armcc'),
'mdk5':('keil', 'armcc'),
'iar':('iar', 'iar'),
'vs':('msvc', 'cl'),
'vs2012':('msvc', 'cl'),
'cb':('keil', 'armcc'),
'ua':('gcc', 'gcc')}
tgt_name = GetOption('target')
if tgt_name:
# --target will change the toolchain settings which clang-analyzer is
# depend on
if GetOption('clang-analyzer'):
print '--clang-analyzer cannot be used with --target'
sys.exit(1)
SetOption('no_exec', 1)
try:
rtconfig.CROSS_TOOL, rtconfig.PLATFORM = tgt_dict[tgt_name]
except KeyError:
print 'Unknow target: %s. Avaible targets: %s' % \
(tgt_name, ', '.join(tgt_dict.keys()))
sys.exit(1)
elif (GetDepend('RT_USING_NEWLIB') == False and GetDepend('RT_USING_NOLIBC') == False) \
and rtconfig.PLATFORM == 'gcc':
AddDepend('RT_USING_MINILIBC')
# add comstr option
AddOption('--verbose',
dest='verbose',
action='store_true',
default=True,
help='print verbose information during build')
if not GetOption('verbose'):
# override the default verbose command string
env.Replace(
ARCOMSTR = 'AR $TARGET',
ASCOMSTR = 'AS $TARGET',
ASPPCOMSTR = 'AS $TARGET',
CCCOMSTR = 'CC $TARGET',
CXXCOMSTR = 'CXX $TARGET',
LINKCOMSTR = 'LINK $TARGET'
)
# we need to seperate the variant_dir for BSPs and the kernels. BSPs could
# have their own components etc. If they point to the same folder, SCons
# would find the wrong source code to compile.
bsp_vdir = 'build/bsp'
kernel_vdir = 'build/kernel'
# board build script
objs = SConscript('SConscript', variant_dir=bsp_vdir, duplicate=0)
# include kernel
objs.extend(SConscript(Rtt_Root + '/src/SConscript', variant_dir=kernel_vdir + '/src', duplicate=0))
# include libcpu
if not has_libcpu:
objs.extend(SConscript(Rtt_Root + '/libcpu/SConscript',
variant_dir=kernel_vdir + '/libcpu', duplicate=0))
# include components
objs.extend(SConscript(Rtt_Root + '/components/SConscript',
variant_dir=kernel_vdir + '/components',
duplicate=0,
exports='remove_components'))
return objs
def PrepareModuleBuilding(env, root_directory, bsp_directory):
import rtconfig
global BuildOptions
global Env
global Rtt_Root
Env = env
Rtt_Root = root_directory
# parse bsp rtconfig.h to get used component
PreProcessor = SCons.cpp.PreProcessor()
f = file(bsp_directory + '/rtconfig.h', 'r')
contents = f.read()
f.close()
PreProcessor.process_contents(contents)
BuildOptions = PreProcessor.cpp_namespace
# add build/clean library option for library checking
AddOption('--buildlib',
dest='buildlib',
type='string',
help='building library of a component')
AddOption('--cleanlib',
dest='cleanlib',
action='store_true',
default=False,
help='clean up the library by --buildlib')
# add program path
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
def GetConfigValue(name):
assert type(name) == str, 'GetConfigValue: only string parameter is valid'
try:
return BuildOptions[name]
except:
return ''
def GetDepend(depend):
building = True
if type(depend) == type('str'):
if not BuildOptions.has_key(depend) or BuildOptions[depend] == 0:
building = False
elif BuildOptions[depend] != '':
return BuildOptions[depend]
return building
# for list type depend
for item in depend:
if item != '':
if not BuildOptions.has_key(item) or BuildOptions[item] == 0:
building = False
return building
def AddDepend(option):
BuildOptions[option] = 1
def MergeGroup(src_group, group):
src_group['src'] = src_group['src'] + group['src']
if group.has_key('CCFLAGS'):
if src_group.has_key('CCFLAGS'):
src_group['CCFLAGS'] = src_group['CCFLAGS'] + group['CCFLAGS']
else:
src_group['CCFLAGS'] = group['CCFLAGS']
if group.has_key('CPPPATH'):
if src_group.has_key('CPPPATH'):
src_group['CPPPATH'] = src_group['CPPPATH'] + group['CPPPATH']
else:
src_group['CPPPATH'] = group['CPPPATH']
if group.has_key('CPPDEFINES'):
if src_group.has_key('CPPDEFINES'):
src_group['CPPDEFINES'] = src_group['CPPDEFINES'] + group['CPPDEFINES']
else:
src_group['CPPDEFINES'] = group['CPPDEFINES']
# for local CCFLAGS/CPPPATH/CPPDEFINES
if group.has_key('LOCAL_CCFLAGS'):
if src_group.has_key('LOCAL_CCFLAGS'):
src_group['LOCAL_CCFLAGS'] = src_group['LOCAL_CCFLAGS'] + group['LOCAL_CCFLAGS']
else:
src_group['LOCAL_CCFLAGS'] = group['LOCAL_CCFLAGS']
if group.has_key('LOCAL_CPPPATH'):
if src_group.has_key('LOCAL_CPPPATH'):
src_group['LOCAL_CPPPATH'] = src_group['LOCAL_CPPPATH'] + group['LOCAL_CPPPATH']
else:
src_group['LOCAL_CPPPATH'] = group['LOCAL_CPPPATH']
if group.has_key('LOCAL_CPPDEFINES'):
if src_group.has_key('LOCAL_CPPDEFINES'):
src_group['LOCAL_CPPDEFINES'] = src_group['LOCAL_CPPDEFINES'] + group['LOCAL_CPPDEFINES']
else:
src_group['LOCAL_CPPDEFINES'] = group['LOCAL_CPPDEFINES']
if group.has_key('LINKFLAGS'):
if src_group.has_key('LINKFLAGS'):
src_group['LINKFLAGS'] = src_group['LINKFLAGS'] + group['LINKFLAGS']
else:
src_group['LINKFLAGS'] = group['LINKFLAGS']
if group.has_key('LIBS'):
if src_group.has_key('LIBS'):
src_group['LIBS'] = src_group['LIBS'] + group['LIBS']
else:
src_group['LIBS'] = group['LIBS']
if group.has_key('LIBPATH'):
if src_group.has_key('LIBPATH'):
src_group['LIBPATH'] = src_group['LIBPATH'] + group['LIBPATH']
else:
src_group['LIBPATH'] = group['LIBPATH']
def DefineGroup(name, src, depend, **parameters):
global Env
if not GetDepend(depend):
return []
# find exist group and get path of group
group_path = ''
for g in Projects:
if g['name'] == name:
group_path = g['path']
if group_path == '':
group_path = GetCurrentDir()
group = parameters
group['name'] = name
group['path'] = group_path
if type(src) == type(['src1']):
group['src'] = File(src)
else:
group['src'] = src
if group.has_key('CCFLAGS'):
Env.AppendUnique(CCFLAGS = group['CCFLAGS'])
if group.has_key('CPPPATH'):
Env.AppendUnique(CPPPATH = group['CPPPATH'])
if group.has_key('CPPDEFINES'):
Env.AppendUnique(CPPDEFINES = group['CPPDEFINES'])
if group.has_key('LINKFLAGS'):
Env.AppendUnique(LINKFLAGS = group['LINKFLAGS'])
# check whether to clean up library
if GetOption('cleanlib') and os.path.exists(os.path.join(group['path'], GroupLibFullName(name, Env))):
if group['src'] != []:
print 'Remove library:', GroupLibFullName(name, Env)
do_rm_file(os.path.join(group['path'], GroupLibFullName(name, Env)))
# check whether exist group library
if not GetOption('buildlib') and os.path.exists(os.path.join(group['path'], GroupLibFullName(name, Env))):
group['src'] = []
if group.has_key('LIBS'): group['LIBS'] = group['LIBS'] + [GroupLibName(name, Env)]
else : group['LIBS'] = [GroupLibName(name, Env)]
if group.has_key('LIBPATH'): group['LIBPATH'] = group['LIBPATH'] + [GetCurrentDir()]
else : group['LIBPATH'] = [GetCurrentDir()]
if group.has_key('LIBS'):
Env.AppendUnique(LIBS = group['LIBS'])
if group.has_key('LIBPATH'):
Env.AppendUnique(LIBPATH = group['LIBPATH'])
# check whether to build group library
if group.has_key('LIBRARY'):
objs = Env.Library(name, group['src'])
else:
# only add source
objs = group['src']
# merge group
for g in Projects:
if g['name'] == name:
# merge to this group
MergeGroup(g, group)
return objs
# add a new group
Projects.append(group)
return objs
def GetCurrentDir():
conscript = File('SConscript')
fn = conscript.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
return path
PREBUILDING = []
def RegisterPreBuildingAction(act):
global PREBUILDING
assert callable(act), 'Could only register callable objects. %s received' % repr(act)
PREBUILDING.append(act)
def PreBuilding():
global PREBUILDING
for a in PREBUILDING:
a()
def GroupLibName(name, env):
import rtconfig
if rtconfig.PLATFORM == 'armcc':
return name + '_rvds'
elif rtconfig.PLATFORM == 'gcc':
return name + '_gcc'
return name
def GroupLibFullName(name, env):
return env['LIBPREFIX'] + GroupLibName(name, env) + env['LIBSUFFIX']
def BuildLibInstallAction(target, source, env):
lib_name = GetOption('buildlib')
for Group in Projects:
if Group['name'] == lib_name:
lib_name = GroupLibFullName(Group['name'], env)
dst_name = os.path.join(Group['path'], lib_name)
print 'Copy %s => %s' % (lib_name, dst_name)
do_copy_file(lib_name, dst_name)
break
def DoBuilding(target, objects):
# merge all objects into one list
def one_list(l):
lst = []
for item in l:
if type(item) == type([]):
lst += one_list(item)
else:
lst.append(item)
return lst
objects = one_list(objects)
# remove source files with local flags setting
for group in Projects:
if group.has_key('LOCAL_CCFLAGS') or group.has_key('LOCAL_CPPPATH') or group.has_key('LOCAL_CPPDEFINES'):
for source in group['src']:
for obj in objects:
if source.abspath == obj.abspath or (len(obj.sources) > 0 and source.abspath == obj.sources[0].abspath):
objects.remove(obj)
# re-add the source files to the objects
for group in Projects:
if group.has_key('LOCAL_CCFLAGS') or group.has_key('LOCAL_CPPPATH') or group.has_key('LOCAL_CPPDEFINES'):
CCFLAGS = Env.get('CCFLAGS', '') + group.get('LOCAL_CCFLAGS', '')
CPPPATH = Env.get('CPPPATH', ['']) + group.get('LOCAL_CPPPATH', [''])
CPPDEFINES = Env.get('CPPDEFINES', ['']) + group.get('LOCAL_CPPDEFINES', [''])
for source in group['src']:
objects += Env.Object(source, CCFLAGS = CCFLAGS,
CPPPATH = CPPPATH,
CPPDEFINES = CPPDEFINES)
program = None
# check whether special buildlib option
lib_name = GetOption('buildlib')
if lib_name:
# build library with special component
for Group in Projects:
if Group['name'] == lib_name:
lib_name = GroupLibName(Group['name'], Env)
objects = Env.Object(Group['src'])
program = Env.Library(lib_name, objects)
# add library copy action
Env.BuildLib(lib_name, program)
break
else:
program = Env.Program(target, objects)
EndBuilding(target, program)
def EndBuilding(target, program = None):
import rtconfig
Env.AddPostAction(target, rtconfig.POST_ACTION)
if GetOption('target') == 'mdk':
from keil import MDKProject
from keil import MDK4Project
from keil import MDK5Project
template = os.path.isfile('template.Uv2')
if template:
MDKProject('project.Uv2', Projects)
else:
template = os.path.isfile('template.uvproj')
if template:
MDK4Project('project.uvproj', Projects)
else:
template = os.path.isfile('template.uvprojx')
if template:
MDK5Project('project.uvprojx', Projects)
else:
print 'No template project file found.'
if GetOption('target') == 'mdk4':
from keil import MDK4Project
MDK4Project('project.uvproj', Projects)
if GetOption('target') == 'mdk5':
from keil import MDK5Project
MDK5Project('project.uvprojx', Projects)
if GetOption('target') == 'iar':
from iar import IARProject
IARProject('project.ewp', Projects)
if GetOption('target') == 'vs':
from vs import VSProject
VSProject('project.vcproj', Projects, program)
if GetOption('target') == 'vs2012':
from vs2012 import VS2012Project
VS2012Project('project.vcxproj', Projects, program)
if GetOption('target') == 'cb':
from codeblocks import CBProject
CBProject('project.cbp', Projects, program)
if GetOption('target') == 'ua':
from ua import PrepareUA
PrepareUA(Projects, Rtt_Root, str(Dir('#')))
if GetOption('copy') and program != None:
MakeCopy(program)
if GetOption('copy-header') and program != None:
MakeCopyHeader(program)
if GetOption('cscope'):
from cscope import CscopeDatabase
CscopeDatabase(Projects)
def SrcRemove(src, remove):
if not src:
return
if type(src[0]) == type('str'):
for item in src:
if os.path.basename(item) in remove:
src.remove(item)
return
for item in src:
if os.path.basename(item.rstr()) in remove:
src.remove(item)
def GetVersion():
import SCons.cpp
import string
rtdef = os.path.join(Rtt_Root, 'include', 'rtdef.h')
# parse rtdef.h to get RT-Thread version
prepcessor = SCons.cpp.PreProcessor()
f = file(rtdef, 'r')
contents = f.read()
f.close()
prepcessor.process_contents(contents)
def_ns = prepcessor.cpp_namespace
version = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_VERSION']))
subversion = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_SUBVERSION']))
if def_ns.has_key('RT_REVISION'):
revision = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_REVISION']))
return '%d.%d.%d' % (version, subversion, revision)
return '0.%d.%d' % (version, subversion)
def GlobSubDir(sub_dir, ext_name):
import os
import glob
def glob_source(sub_dir, ext_name):
list = os.listdir(sub_dir)
src = glob.glob(os.path.join(sub_dir, ext_name))
for item in list:
full_subdir = os.path.join(sub_dir, item)
if os.path.isdir(full_subdir):
src += glob_source(full_subdir, ext_name)
return src
dst = []
src = glob_source(sub_dir, ext_name)
for item in src:
dst.append(os.path.relpath(item, sub_dir))
return dst
def PackageSConscript(package):
from package import BuildPackage
return BuildPackage(package)
def file_path_exist(path, *args):
return os.path.exists(os.path.join(path, *args))
def do_rm_file(src):
if os.path.exists(src):
os.unlink(src)
def do_copy_file(src, dst):
import shutil
# check source file
if not os.path.exists(src):
return
path = os.path.dirname(dst)
# mkdir if path not exist
if not os.path.exists(path):
os.makedirs(path)
shutil.copy2(src, dst)
def do_copy_folder(src_dir, dst_dir):
import shutil
# check source directory
if not os.path.exists(src_dir):
return
if os.path.exists(dst_dir):
shutil.rmtree(dst_dir)
shutil.copytree(src_dir, dst_dir)
source_ext = ["c", "h", "s", "S", "cpp", "xpm"]
source_list = []
def walk_children(child):
global source_list
global source_ext
# print child
full_path = child.rfile().abspath
file_type = full_path.rsplit('.',1)[1]
#print file_type
if file_type in source_ext:
if full_path not in source_list:
source_list.append(full_path)
children = child.all_children()
if children != []:
for item in children:
walk_children(item)
def MakeCopy(program):
global source_list
global Rtt_Root
global Env
target_path = os.path.join(Dir('#').abspath, 'rt-thread')
if Env['PLATFORM'] == 'win32':
RTT_ROOT = Rtt_Root.lower()
else:
RTT_ROOT = Rtt_Root
if target_path.startswith(RTT_ROOT):
return
for item in program:
walk_children(item)
source_list.sort()
# filte source file in RT-Thread
target_list = []
for src in source_list:
if Env['PLATFORM'] == 'win32':
src = src.lower()
if src.startswith(RTT_ROOT):
target_list.append(src)
source_list = target_list
# get source path
src_dir = []
for src in source_list:
src = src.replace(RTT_ROOT, '')
if src[0] == os.sep or src[0] == '/':
src = src[1:]
path = os.path.dirname(src)
sub_path = path.split(os.sep)
full_path = RTT_ROOT
for item in sub_path:
full_path = os.path.join(full_path, item)
if full_path not in src_dir:
src_dir.append(full_path)
for item in src_dir:
source_list.append(os.path.join(item, 'SConscript'))
for src in source_list:
dst = src.replace(RTT_ROOT, '')
if dst[0] == os.sep or dst[0] == '/':
dst = dst[1:]
print '=> ', dst
dst = os.path.join(target_path, dst)
do_copy_file(src, dst)
# copy tools directory
print "=> tools"
do_copy_folder(os.path.join(RTT_ROOT, "tools"), os.path.join(target_path, "tools"))
do_copy_file(os.path.join(RTT_ROOT, 'AUTHORS'), os.path.join(target_path, 'AUTHORS'))
do_copy_file(os.path.join(RTT_ROOT, 'COPYING'), os.path.join(target_path, 'COPYING'))
def MakeCopyHeader(program):
global source_ext
source_ext = []
source_ext = ["h", "xpm"]
global source_list
global Rtt_Root
global Env
target_path = os.path.join(Dir('#').abspath, 'rt-thread')
if Env['PLATFORM'] == 'win32':
RTT_ROOT = Rtt_Root.lower()
else:
RTT_ROOT = Rtt_Root
if target_path.startswith(RTT_ROOT):
return
for item in program:
walk_children(item)
source_list.sort()
# filte source file in RT-Thread
target_list = []
for src in source_list:
if Env['PLATFORM'] == 'win32':
src = src.lower()
if src.startswith(RTT_ROOT):
target_list.append(src)
source_list = target_list
for src in source_list:
dst = src.replace(RTT_ROOT, '')
if dst[0] == os.sep or dst[0] == '/':
dst = dst[1:]
print '=> ', dst
dst = os.path.join(target_path, dst)
do_copy_file(src, dst)
# copy tools directory
print "=> tools"
do_copy_folder(os.path.join(RTT_ROOT, "tools"), os.path.join(target_path, "tools"))
do_copy_file(os.path.join(RTT_ROOT, 'AUTHORS'), os.path.join(target_path, 'AUTHORS'))
do_copy_file(os.path.join(RTT_ROOT, 'COPYING'), os.path.join(target_path, 'COPYING'))