def GenCconfigFile(env, BuildOptions):
import rtconfig
print("genconfig")
if rtconfig.PLATFORM == 'gcc':
contents = ''
if not os.path.isfile('cconfig.h'):
import gcc
gcc.GenerateGCCConfig(rtconfig)
# try again
if os.path.isfile('cconfig.h'):
f = open('cconfig.h', 'r')
if f:
contents = f.read()
f.close()
prep = PatchedPreProcessor()
prep.process_contents(contents)
options = prep.cpp_namespace
BuildOptions.update(options)
# add HAVE_CCONFIG_H definition
env.AppendUnique(CPPDEFINES=['HAVE_CCONFIG_H'])
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 = os.path.abspath(root_directory)
# set RTT_ROOT in ENV
Env['RTT_ROOT'] = Rtt_Root
# set BSP_ROOT in ENV
Env['BSP_ROOT'] = Dir('#').abspath
sys.path = sys.path + [os.path.join(Rtt_Root, 'tools')]
# 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 = PatchedPreProcessor()
f = file('rtconfig.h', 'r')
contents = f.read()
f.close()
PreProcessor.process_contents(contents)
BuildOptions = PreProcessor.cpp_namespace
if rtconfig.PLATFORM == 'gcc':
contents = ''
if not os.path.isfile('cconfig.h'):
import gcc
gcc.GenerateGCCConfig(rtconfig)
# try again
if os.path.isfile('cconfig.h'):
f = file('cconfig.h', 'r')
if f:
contents = f.read()
f.close()
prep = PatchedPreProcessor()
prep.process_contents(contents)
options = prep.cpp_namespace
BuildOptions.update(options)
# add HAVE_CCONFIG_H definition
env.AppendUnique(CPPDEFINES=['HAVE_CCONFIG_H'])
if str(env['LINKFLAGS']).find('nano.specs') != -1:
env.AppendUnique(CPPDEFINES=['_REENT_SMALL'])
# 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('--dist',
dest='make-dist',
action='store_true',
default=False,
help='make distribution')
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/mdk5/iar/vs/vsc/ua/cdk')
#{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'),
'vsc': ('gcc', 'gcc'),
'cb': ('keil', 'armcc'),
'ua': ('gcc', 'gcc'),
'cdk': ('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')
AddOption('--genconfig',
dest='genconfig',
action='store_true',
default=False,
help='Generate .config from rtconfig.h')
if GetOption('genconfig'):
from genconf import genconfig
genconfig()
exit(0)
if env['PLATFORM'] != 'win32':
AddOption('--menuconfig',
dest='menuconfig',
action='store_true',
default=False,
help='make menuconfig for RT-Thread BSP')
if GetOption('menuconfig'):
from menuconfig import menuconfig
menuconfig(Rtt_Root)
exit(0)
AddOption('--useconfig',
dest='useconfig',
type='string',
help='make rtconfig.h from config file.')
configfn = GetOption('useconfig')
if configfn:
from menuconfig import mk_rtconfig
mk_rtconfig(configfn)
exit(0)
# add comstr option
AddOption('--verbose',
dest='verbose',
action='store_true',
default=False,
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')
# fix the linker for C++
if GetDepend('RT_USING_CPLUSPLUS'):
if env['LINK'].find('gcc') != -1:
env['LINK'] = env['LINK'].replace('gcc', 'g++')
# 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'
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