2 # This script includes generic build options:
3 # release/debug, target os, target arch, cross toolchain, build environment etc
8 print "Inside the Config SConscript"
9 # Map of host os and allowed target os (host: allowed target os)
11 'linux': ['linux', 'android', 'arduino', 'yocto', 'tizen'],
12 'windows': ['windows', 'android', 'arduino', 'tizen'],
13 'darwin': ['darwin', 'ios', 'android', 'arduino'],
16 # Map of os and allowed archs (os: allowed archs)
18 'linux': ['x86', 'x86_64', 'arm', 'arm64'],
19 'android': ['x86', 'x86_64', 'armeabi', 'armeabi-v7a', 'armeabi-v7a-hard', 'arm64-v8a'],
20 'windows': ['x86', 'amd64', 'arm'],
21 'darwin': ['i386', 'x86_64'],
22 'ios': ['i386', 'x86_64', 'armv7', 'armv7s', 'arm64'],
23 'arduino': ['avr', 'arm'],
24 'yocto': ['x86', 'x86_64'],
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 ######################################################################
50 # Common build options (release, target os, target arch)
51 ######################################################################
52 help_vars = Variables()
53 help_vars.Add(BoolVariable('RELEASE', 'Build for release?', True)) # set to 'no', 'false' or 0 for debug
54 help_vars.Add(EnumVariable('TARGET_OS', 'Target platform', host, host_target_map[host]))
55 help_vars.Add(ListVariable('TARGET_TRANSPORT', 'Target transport', 'ALL', ['ALL', 'IP', 'BT', 'BLE']))
56 help_vars.Add(EnumVariable('TARGET_ARCH', 'Target architecture', default_arch, os_arch_map[target_os]))
57 help_vars.Add(EnumVariable('SECURED', 'Build with DTLS', '0', allowed_values=('0', '1')))
58 help_vars.Add(EnumVariable('ROUTING', 'Enable routing', 'EP', allowed_values=('GW', 'EP')))
59 help_vars.Add(BoolVariable('WITH_PROXY', 'CoAP-HTTP Proxy', False)) # set to 'no', 'false' or 0 for debug
60 help_vars.Add(ListVariable('WITH_MQ', 'Build with MQ publisher/subscriber/broker', 'OFF', ['OFF', 'SUB', 'PUB', 'BROKER']))
62 ######################################################################
63 # Platform(build target) specific options: SDK/NDK & toolchain
64 ######################################################################
65 targets_support_cc = ['linux', 'arduino', 'tizen']
67 if target_os in targets_support_cc:
68 # Set cross compile toolchain
69 help_vars.Add('TC_PREFIX', "Toolchain prefix (Generally only be required for cross-compiling)", os.environ.get('TC_PREFIX'))
70 help_vars.Add(PathVariable('TC_PATH',
71 'Toolchain path (Generally only be required for cross-compiling)',
72 os.environ.get('TC_PATH')))
74 if target_os in ['android', 'arduino']: # Android/Arduino always uses GNU compiler regardless of the host
75 env = Environment(variables = help_vars,
76 tools = ['gnulink', 'gcc', 'g++', 'ar', 'as']
79 env = Environment(variables = help_vars, TARGET_ARCH = target_arch, TARGET_OS = target_os)
81 Help(help_vars.GenerateHelpText(env))
84 ************************************ Warning **********************************
85 * Enviornment variable TC_PREFIX/TC_PATH is set. It will change the default *
86 * toolchain, if it isn't what you expect you should unset it, otherwise it may*
87 * cause inexplicable errors. *
88 *******************************************************************************
91 if target_os in targets_support_cc:
92 prefix = env.get('TC_PREFIX')
93 tc_path = env.get('TC_PATH')
95 env.Replace(CC = prefix + 'gcc')
96 env.Replace(CXX = prefix + 'g++')
97 env.Replace(AR = prefix + 'ar')
98 env.Replace(AS = prefix + 'as')
99 env.Replace(LINK = prefix + 'ld')
100 env.Replace(RANLIB = prefix + 'ranlib')
103 env.PrependENVPath('PATH', tc_path)
104 sys_root = os.path.abspath(tc_path + '/../')
105 env.AppendUnique(CCFLAGS = ['--sysroot=' + sys_root])
106 env.AppendUnique(LINKFLAGS = ['--sysroot=' + sys_root])
108 if prefix or tc_path:
111 # Ensure scons be able to change its working directory
112 env.SConscriptChdir(1)
114 # Set the source directory and build directory
115 # Source directory: 'dir'
116 # Build directory: 'dir'/out/<target_os>/<target_arch>/<release or debug>/
118 # You can get the directory as following:
120 # env.get('BUILD_DIR')
122 def __set_dir(env, dir):
123 if not os.path.exists(dir + '/SConstruct'):
125 *************************************** Error *********************************
126 * The directory(%s) seems isn't a source code directory, no SConstruct file is
128 *******************************************************************************
132 if env.get('RELEASE'):
133 build_dir = dir + '/out/' + target_os + '/' + target_arch + '/release/'
135 build_dir = dir + '/out/' + target_os + '/' + target_arch + '/debug/'
136 env.VariantDir(build_dir, dir, duplicate=0)
138 env.Replace(BUILD_DIR = build_dir)
139 env.Replace(SRC_DIR = dir)
141 def __src_to_obj(env, src, home = ''):
142 obj = env.get('BUILD_DIR') + src.replace(home, '')
143 if env.get('OBJSUFFIX'):
144 obj += env.get('OBJSUFFIX')
145 return env.Object(obj, src)
147 def __install(ienv, targets, name):
148 i_n = ienv.Install(env.get('BUILD_DIR'), targets)
150 env.AppendUnique(TS = [name])
152 def __append_target(ienv, target):
153 env.AppendUnique(TS = [target])
155 def __print_targets(env):
157 ===============================================================================
159 for t in env.get('TS'):
162 \nDefault all targets will be built. You can specify the target to build:
164 $ scons [options] [target]
165 ===============================================================================
168 env.AddMethod(__set_dir, 'SetDir')
169 env.AddMethod(__print_targets, 'PrintTargets')
170 env.AddMethod(__src_to_obj, 'SrcToObj')
171 env.AddMethod(__append_target, 'AppendTarget')
172 env.AddMethod(__install, 'InstallTarget')
173 env.SetDir(env.GetLaunchDir())
174 env['ROOT_DIR']=env.GetLaunchDir()
176 env.AppendUnique(CPPDEFINES = ['TB_LOG'])
177 if env.get('ROUTING') == 'GW':
178 env.AppendUnique(CPPDEFINES = ['ROUTING_GATEWAY'])
179 elif env.get('ROUTING') == 'EP':
180 env.AppendUnique(CPPDEFINES = ['ROUTING_EP'])
181 env.AppendUnique(CPPDEFINES = ['__TIZEN__'])
182 if env.get('WITH_PROXY'):
183 env.AppendUnique(CPPDEFINES = ['WITH_CHPROXY'])
187 ######################################################################
188 # Link scons to Yocto cross-toolchain ONLY when target_os is yocto
189 ######################################################################
190 if target_os == "yocto":
192 This code injects Yocto cross-compilation tools+flags into scons'
193 build environment in order to invoke the relevant tools while
198 CC = os.environ['CC']
199 target_prefix = CC.split()[0]
200 target_prefix = target_prefix[:len(target_prefix)-3]
201 tools = {"CC" : target_prefix+"gcc",
202 "CXX" : target_prefix+"g++",
203 "AS" : target_prefix+"as",
204 "LD" : target_prefix+"ld",
205 "GDB" : target_prefix+"gdb",
206 "STRIP" : target_prefix+"strip",
207 "RANLIB" : target_prefix+"ranlib",
208 "OBJCOPY" : target_prefix+"objcopy",
209 "OBJDUMP" : target_prefix+"objdump",
210 "AR" : target_prefix+"ar",
211 "NM" : target_prefix+"nm",
213 "STRINGS": target_prefix+"strings"}
214 PATH = os.environ['PATH'].split(os.pathsep)
216 if tool in os.environ:
218 if os.path.isfile(os.path.join(path, tools[tool])):
219 env[tool] = os.path.join(path, os.environ[tool])
222 print "ERROR in Yocto cross-toolchain environment"
225 Now reset TARGET_OS to linux so that all linux specific build configurations
226 hereupon apply for the entirety of the build process.
228 env['TARGET_OS'] = 'linux'
230 We want to preserve debug symbols to allow BitBake to generate both DEBUG and
231 RELEASE packages for OIC.
233 env['CCFLAGS'].append('-g')
237 If target_os is not Yocto, continue with the regular build process
239 # Load config of target os
240 env.SConscript(target_os + '/SConscript')
242 # Delete the temp files of configuration
243 if env.GetOption('clean'):
244 dir = env.get('SRC_DIR')
246 if os.path.exists(dir + '/config.log'):
247 Execute(Delete(dir + '/config.log'))
248 Execute(Delete(dir + '/.sconsign.dblite'))
249 Execute(Delete(dir + '/.sconf_temp'))