2 # This script includes generic build options:
3 # release/debug, target os, target arch, cross toolchain, build environment etc
8 # Map of host os and allowed target os (host: allowed target os)
10 'linux': ['linux', 'android', 'arduino', 'yocto', 'tizen'],
11 'windows': ['windows', 'winrt', 'android', 'arduino'],
12 'darwin': ['darwin', 'ios', 'android', 'arduino'],
15 # Map of os and allowed archs (os: allowed archs)
17 'linux': ['x86', 'x86_64', 'arm', 'arm64'],
18 'tizen': ['x86', 'x86_64', 'arm', 'arm64', 'armeabi-v7a'],
19 'android': ['x86', 'x86_64', 'armeabi', 'armeabi-v7a', 'armeabi-v7a-hard', 'arm64-v8a'],
20 'windows': ['x86', 'amd64', 'arm'],
22 'darwin': ['i386', 'x86_64'],
23 'ios': ['i386', 'x86_64', 'armv7', 'armv7s', 'arm64'],
24 'arduino': ['avr', 'arm'],
25 'yocto': ['i586', 'x86_64', 'arm', 'powerpc', 'powerpc64', 'mips', 'mipsel'],
28 host = platform.system().lower()
30 if not host_target_map.has_key(host):
31 print "\nError: Current system (%s) isn't supported\n" % host
34 ######################################################################
35 # Get build options (the optins from command line)
36 ######################################################################
37 target_os = ARGUMENTS.get('TARGET_OS', host).lower() # target os
39 if target_os not in host_target_map[host]:
40 print "\nError: Unknown target os: %s (Allow values: %s)\n" % (target_os, host_target_map[host])
43 default_arch = platform.machine()
44 if default_arch not in os_arch_map[target_os]:
45 default_arch = os_arch_map[target_os][0].lower()
47 target_arch = ARGUMENTS.get('TARGET_ARCH', default_arch) # target arch
49 # True if binary needs to be installed on board. (Might need root permissions)
50 # set to 'no', 'false' or 0 for only compilation
51 require_upload = ARGUMENTS.get('UPLOAD', False)
53 if ARGUMENTS.get('TEST'):
54 logging_default = False
57 if ARGUMENTS.get('RELEASE', True) in ['y', 'yes', 'true', 't', '1', 'on', 'all']:
59 logging_default = (release_mode == False)
63 ######################################################################
64 # Common build options (release, target os, target arch)
65 ######################################################################
66 targets_disallow_multitransport = ['arduino']
68 help_vars = Variables()
69 help_vars.Add(BoolVariable('VERBOSE', 'Show compilation', False))
70 help_vars.Add(BoolVariable('RELEASE', 'Build for release?', True)) # set to 'no', 'false' or 0 for debug
71 help_vars.Add(EnumVariable('TARGET_OS', 'Target platform', host, host_target_map[host]))
73 if target_os in targets_disallow_multitransport:
74 help_vars.Add(ListVariable('TARGET_TRANSPORT', 'Target transport', 'IP', ['BT', 'BLE', 'IP']))
76 help_vars.Add(ListVariable('TARGET_TRANSPORT', 'Target transport', 'ALL', ['ALL', 'BT', 'BLE', 'IP']))
78 help_vars.Add(EnumVariable('TARGET_ARCH', 'Target architecture', default_arch, os_arch_map[target_os]))
79 help_vars.Add(EnumVariable('SECURED', 'Build with DTLS', '0', allowed_values=('0', '1')))
80 help_vars.Add(EnumVariable('TEST', 'Run unit tests', '0', allowed_values=('0', '1')))
81 help_vars.Add(BoolVariable('LOGGING', 'Enable stack logging', logging_default))
82 help_vars.Add(BoolVariable('UPLOAD', 'Upload binary ? (For Arduino)', require_upload))
83 help_vars.Add(EnumVariable('BUILD_SAMPLE', 'Build with sample', 'ON', allowed_values=('ON', 'OFF')))
84 ######################################################################
85 # Platform(build target) specific options: SDK/NDK & toolchain
86 ######################################################################
87 targets_support_cc = ['linux', 'arduino', 'tizen']
89 if target_os in targets_support_cc:
90 # Set cross compile toolchain
91 help_vars.Add('TC_PREFIX', "Toolchain prefix (Generally only be required for cross-compiling)", os.environ.get('TC_PREFIX'))
92 help_vars.Add(PathVariable('TC_PATH',
93 'Toolchain path (Generally only be required for cross-compiling)',
94 os.environ.get('TC_PATH')))
96 if target_os in ['android', 'arduino']: # Android/Arduino always uses GNU compiler regardless of the host
97 env = Environment(variables = help_vars,
98 tools = ['gnulink', 'gcc', 'g++', 'ar', 'as']
101 env = Environment(variables = help_vars, TARGET_ARCH = target_arch, TARGET_OS = target_os)
103 Help(help_vars.GenerateHelpText(env))
106 ************************************ Warning **********************************
107 * Enviornment variable TC_PREFIX/TC_PATH is set. It will change the default *
108 * toolchain, if it isn't what you expect you should unset it, otherwise it may*
109 * cause inexplicable errors. *
110 *******************************************************************************
112 if env.get('VERBOSE') == False:
113 env['CCCOMSTR'] = "Compiling $TARGET"
114 env['SHCCCOMSTR'] = "Compiling $TARGET"
115 env['CXXCOMSTR'] = "Compiling $TARGET"
116 env['SHCXXCOMSTR'] = "Compiling $TARGET"
117 env['LINKCOMSTR'] = "Linking $TARGET"
118 env['SHLINKCOMSTR'] = "Linking $TARGET"
119 env['ARCOMSTR'] = "Archiving $TARGET"
120 env['RANLIBCOMSTR'] = "Indexing Archive $TARGET"
122 if target_os in targets_support_cc:
123 prefix = env.get('TC_PREFIX')
124 tc_path = env.get('TC_PATH')
126 env.Replace(CC = prefix + 'gcc')
127 env.Replace(CXX = prefix + 'g++')
128 env.Replace(AR = prefix + 'ar')
129 env.Replace(AS = prefix + 'as')
130 env.Replace(LINK = prefix + 'ld')
131 env.Replace(RANLIB = prefix + 'ranlib')
134 env.PrependENVPath('PATH', tc_path)
135 sys_root = os.path.abspath(tc_path + '/../')
136 env.AppendUnique(CCFLAGS = ['--sysroot=' + sys_root])
137 env.AppendUnique(LINKFLAGS = ['--sysroot=' + sys_root])
139 if prefix or tc_path:
142 # Ensure scons be able to change its working directory
143 env.SConscriptChdir(1)
145 # Set the source directory and build directory
146 # Source directory: 'dir'
147 # Build directory: 'dir'/out/<target_os>/<target_arch>/<release or debug>/
149 # You can get the directory as following:
151 # env.get('BUILD_DIR')
153 def __set_dir(env, dir):
154 if not os.path.exists(dir + '/SConstruct'):
156 *************************************** Error *********************************
157 * The directory(%s) seems isn't a source code directory, no SConstruct file is
159 *******************************************************************************
163 if env.get('RELEASE'):
164 build_dir = dir + '/out/' + target_os + '/' + target_arch + '/release/'
166 build_dir = dir + '/out/' + target_os + '/' + target_arch + '/debug/'
167 env.VariantDir(build_dir, dir, duplicate=0)
169 env.Replace(BUILD_DIR = build_dir)
170 env.Replace(SRC_DIR = dir)
172 def __src_to_obj(env, src, home = ''):
173 obj = env.get('BUILD_DIR') + src.replace(home, '')
174 if env.get('OBJSUFFIX'):
175 obj += env.get('OBJSUFFIX')
176 return env.Object(obj, src)
178 def __install(ienv, targets, name):
179 i_n = ienv.Install(env.get('BUILD_DIR'), targets)
181 env.AppendUnique(TS = [name])
183 def __append_target(ienv, name, targets = None):
185 env.Alias(name, targets)
186 env.AppendUnique(TS = [name])
188 def __print_targets(env):
190 ===============================================================================
192 for t in env.get('TS'):
195 \nDefault all targets will be built. You can specify the target to build:
197 $ scons [options] [target]
198 ===============================================================================
201 env.AddMethod(__set_dir, 'SetDir')
202 env.AddMethod(__print_targets, 'PrintTargets')
203 env.AddMethod(__src_to_obj, 'SrcToObj')
204 env.AddMethod(__append_target, 'AppendTarget')
205 env.AddMethod(__install, 'InstallTarget')
206 env.SetDir(env.GetLaunchDir())
207 env['ROOT_DIR']=env.GetLaunchDir()+'/..'
211 ######################################################################
212 # Link scons to Yocto cross-toolchain ONLY when target_os is yocto
213 ######################################################################
214 if target_os == "yocto":
216 This code injects Yocto cross-compilation tools+flags into scons'
217 build environment in order to invoke the relevant tools while
222 CC = os.environ['CC']
223 target_prefix = CC.split()[0]
224 target_prefix = target_prefix[:len(target_prefix)-3]
225 tools = {"CC" : target_prefix+"gcc",
226 "CXX" : target_prefix+"g++",
227 "AS" : target_prefix+"as",
228 "LD" : target_prefix+"ld",
229 "GDB" : target_prefix+"gdb",
230 "STRIP" : target_prefix+"strip",
231 "RANLIB" : target_prefix+"ranlib",
232 "OBJCOPY" : target_prefix+"objcopy",
233 "OBJDUMP" : target_prefix+"objdump",
234 "AR" : target_prefix+"ar",
235 "NM" : target_prefix+"nm",
237 "STRINGS": target_prefix+"strings"}
238 PATH = os.environ['PATH'].split(os.pathsep)
240 if tool in os.environ:
242 if os.path.isfile(os.path.join(path, tools[tool])):
243 env[tool] = os.path.join(path, os.environ[tool])
245 env['CROSS_COMPILE'] = target_prefix[:len(target_prefix) - 1]
247 print "ERROR in Yocto cross-toolchain environment"
250 Now reset TARGET_OS to linux so that all linux specific build configurations
251 hereupon apply for the entirety of the build process.
253 env['TARGET_OS'] = 'linux'
255 We want to preserve debug symbols to allow BitBake to generate both DEBUG and
256 RELEASE packages for OIC.
258 env.AppendUnique(CCFLAGS = ['-g'])
260 Additional flags to pass to the Yocto toolchain.
262 if env.get('RELEASE'):
263 env.AppendUnique(CPPDEFINES = ['NDEBUG'])
264 if env.get('LOGGING'):
265 env.AppendUnique(CPPDEFINES = ['TB_LOG'])
266 env.AppendUnique(CPPDEFINES = ['WITH_POSIX', '__linux__', '_GNU_SOURCE'])
267 env.AppendUnique(CFLAGS = ['-std=gnu99'])
268 env.AppendUnique(CCFLAGS = ['-Wall', '-fPIC'])
269 env.AppendUnique(LINKFLAGS = ['-ldl', '-lpthread'])
270 env.AppendUnique(LIBS = ['uuid'])
274 If target_os is not Yocto, continue with the regular build process
276 # Load config of target os
277 env.SConscript(target_os + '/SConscript')
279 # Delete the temp files of configuration
280 if env.GetOption('clean'):
281 dir = env.get('SRC_DIR')
283 if os.path.exists(dir + '/config.log'):
284 Execute(Delete(dir + '/config.log'))
285 if os.path.exists(dir + '/.sconsign.dblite'):
286 Execute(Delete(dir + '/.sconsign.dblite'))
287 if os.path.exists(dir + '/.sconf_temp'):
288 Execute(Delete(dir + '/.sconf_temp'))
290 ######################################################################
291 # Check for PThreads support
292 ######################################################################
293 import iotivityconfig
294 from iotivityconfig import *
296 conf = Configure(env,
299 'CheckPThreadsSupport' : iotivityconfig.check_pthreads
302 # Identify whether we have pthreads support, which is necessary for
303 # threading and mutexes. This will set the environment variable
304 # POSIX_SUPPORTED, 1 if it is supported, 0 otherwise
305 conf.CheckPThreadsSupport()
308 ######################################################################
310 env.SConscript('external_libs.scons')